Create Your Ring
1
Choose Your Diamond
Diamond
2
Choose Your Setting
Setting
3
Complete Your Ring
Complete Ring
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Lab Grown Diamonds
Shape
- Round
- Oval
- Cushion
- Pear
- Emerald
- Marquise
- Radiant
- Elongated Cushion
- Princess
- Asscher
- Heart
- Old European
- Old Miner
- Other
X
Carat
Carat is a unit of measurement to determine a diamond’s weight. Typically, a higher carat weight means a larger looking diamond, but that is not always the case. Look for the mm measurements of the diamond to determine its visible size.
X
Color
The color scale measures the degree of colorlessness in a diamond. D is the highest and most colorless grade, but also the most expensive. To get the most value for your budget, look for an eye colorless stone. For most diamonds, this is in the F-H range.
X
Clarity
A diamond’s clarity refers to the tiny traces of natural elements that are trapped inside the stone. 99% of diamonds contain inclusions or flaws. You do not need a flawless diamond - they are very rare and expensive - but you want to look for one that is perfect to the naked eye. Depending on the shape of the diamond, the sweet spot for clarity is usually between VVS2 to SI1.
X
Cut
Not to be confused with shape, a diamond’s cut rating tells you how well its proportions interact with light. By evaluating the angles and proportions of the diamond, the cut grade is designed to tell you how sparkly and brilliant your stone is. Cut grading is usually not available for fancy shapes (any shape that is not round), because the mathematical formula that determines light return becomes less reliable when different length to width ratios are factored in.
X
Fluorescence
Fluorescence tells you how a diamond responds to ultraviolet light - does it glow under a black light? Diamonds with no fluorescence are generally priced higher on the market, but it is rare for fluorescence to have any visual impact on the diamond; some fluorescence can even enhance the look of the stone. Our site recommends searching for diamonds with none to medium fluorescence, and keeping open the option of strong fluorescence for additional value.
X
Polish
Polish describes how smooth the surface of a diamond is. Aim for an Excellent or Very Good polish rating.
X
Symmetry
Symmetry describes how symmetrical the diamond is cut all the way around, which is a contributing factor to a diamond’s sparkle and brilliance. Aim for an Excellent or Very Good symmetry rating for round brilliant shapes, and Excellent to Good for fancy shapes.
X
Table
The table is the largest, topmost facet of a gemstone. The "Table %" measures how much of the gemstone’s top surface is taken up by the table, comparing its width to the gemstone's overall width at its widest part. This percentage helps determine how the gemstone reflects light and affects its sparkle.
X
Depth
Depth percentage is the height of the diamond measured from the culet to the table, divided by the width of the diamond. The lower the depth %, the larger the diamond will appear (given the same weight), but if this number is too low then the brilliance of the diamond will be sacrificed. The depth percentage is one of the elements that determines the Cut grading.
X
Length-to-Width Ratio
This ratio measures how elongated a diamond appears from the top. Essentially, it compares the length of the diamond to its width. Preferences for this ratio vary; some people like a longer, more rectangular shape, while others prefer a closer to square appearance.
Here's a simple example:
- A princess-cut diamond that's 5.05 mm long and 5.00 mm wide has a length-to-width ratio of 1.01, making it look almost perfectly square.
- Square Shapes (Princess, Radiant, Asscher, Cushion): Ideally close to 1.00, which makes them look square.
- Heart Shape: Ranges from 0.90 to 1.10, giving a slightly more stretched or compressed look.
- Emerald and Oval Shapes: These are more elongated; Emeralds are typically between 1.30 and 1.40, while Ovals range from 1.30 to 1.70.
- Pear and Marquise Shapes: Even more elongated; Pears are between 1.45 and 1.75, and Marquises lie between 1.75 and 2.30.
Popular Ratios for Different Diamond Shapes:
Carat
X
Carat
Carat is a unit of measurement to determine a diamond’s weight. Typically, a higher carat weight means a larger looking diamond, but that is not always the case. Look for the mm measurements of the diamond to determine its visible size.
X
Color
The color scale measures the degree of colorlessness in a diamond. D is the highest and most colorless grade, but also the most expensive. To get the most value for your budget, look for an eye colorless stone. For most diamonds, this is in the F-H range.
X
Clarity
A diamond’s clarity refers to the tiny traces of natural elements that are trapped inside the stone. 99% of diamonds contain inclusions or flaws. You do not need a flawless diamond - they are very rare and expensive - but you want to look for one that is perfect to the naked eye. Depending on the shape of the diamond, the sweet spot for clarity is usually between VVS2 to SI1.
X
Cut
Not to be confused with shape, a diamond’s cut rating tells you how well its proportions interact with light. By evaluating the angles and proportions of the diamond, the cut grade is designed to tell you how sparkly and brilliant your stone is. Cut grading is usually not available for fancy shapes (any shape that is not round), because the mathematical formula that determines light return becomes less reliable when different length to width ratios are factored in.
X
Fluorescence
Fluorescence tells you how a diamond responds to ultraviolet light - does it glow under a black light? Diamonds with no fluorescence are generally priced higher on the market, but it is rare for fluorescence to have any visual impact on the diamond; some fluorescence can even enhance the look of the stone. Our site recommends searching for diamonds with none to medium fluorescence, and keeping open the option of strong fluorescence for additional value.
X
Polish
Polish describes how smooth the surface of a diamond is. Aim for an Excellent or Very Good polish rating.
X
Symmetry
Symmetry describes how symmetrical the diamond is cut all the way around, which is a contributing factor to a diamond’s sparkle and brilliance. Aim for an Excellent or Very Good symmetry rating for round brilliant shapes, and Excellent to Good for fancy shapes.
X
Table
The table is the largest, topmost facet of a gemstone. The "Table %" measures how much of the gemstone’s top surface is taken up by the table, comparing its width to the gemstone's overall width at its widest part. This percentage helps determine how the gemstone reflects light and affects its sparkle.
X
Depth
Depth percentage is the height of the diamond measured from the culet to the table, divided by the width of the diamond. The lower the depth %, the larger the diamond will appear (given the same weight), but if this number is too low then the brilliance of the diamond will be sacrificed. The depth percentage is one of the elements that determines the Cut grading.
X
Length-to-Width Ratio
This ratio measures how elongated a diamond appears from the top. Essentially, it compares the length of the diamond to its width. Preferences for this ratio vary; some people like a longer, more rectangular shape, while others prefer a closer to square appearance.
Here's a simple example:
- A princess-cut diamond that's 5.05 mm long and 5.00 mm wide has a length-to-width ratio of 1.01, making it look almost perfectly square.
- Square Shapes (Princess, Radiant, Asscher, Cushion): Ideally close to 1.00, which makes them look square.
- Heart Shape: Ranges from 0.90 to 1.10, giving a slightly more stretched or compressed look.
- Emerald and Oval Shapes: These are more elongated; Emeralds are typically between 1.30 and 1.40, while Ovals range from 1.30 to 1.70.
- Pear and Marquise Shapes: Even more elongated; Pears are between 1.45 and 1.75, and Marquises lie between 1.75 and 2.30.
Popular Ratios for Different Diamond Shapes:
Diamond Origin
X
Carat
Carat is a unit of measurement to determine a diamond’s weight. Typically, a higher carat weight means a larger looking diamond, but that is not always the case. Look for the mm measurements of the diamond to determine its visible size.
X
Color
The color scale measures the degree of colorlessness in a diamond. D is the highest and most colorless grade, but also the most expensive. To get the most value for your budget, look for an eye colorless stone. For most diamonds, this is in the F-H range.
X
Clarity
A diamond’s clarity refers to the tiny traces of natural elements that are trapped inside the stone. 99% of diamonds contain inclusions or flaws. You do not need a flawless diamond - they are very rare and expensive - but you want to look for one that is perfect to the naked eye. Depending on the shape of the diamond, the sweet spot for clarity is usually between VVS2 to SI1.
X
Cut
Not to be confused with shape, a diamond’s cut rating tells you how well its proportions interact with light. By evaluating the angles and proportions of the diamond, the cut grade is designed to tell you how sparkly and brilliant your stone is. Cut grading is usually not available for fancy shapes (any shape that is not round), because the mathematical formula that determines light return becomes less reliable when different length to width ratios are factored in.
X
Fluorescence
Fluorescence tells you how a diamond responds to ultraviolet light - does it glow under a black light? Diamonds with no fluorescence are generally priced higher on the market, but it is rare for fluorescence to have any visual impact on the diamond; some fluorescence can even enhance the look of the stone. Our site recommends searching for diamonds with none to medium fluorescence, and keeping open the option of strong fluorescence for additional value.
X
Polish
Polish describes how smooth the surface of a diamond is. Aim for an Excellent or Very Good polish rating.
X
Symmetry
Symmetry describes how symmetrical the diamond is cut all the way around, which is a contributing factor to a diamond’s sparkle and brilliance. Aim for an Excellent or Very Good symmetry rating for round brilliant shapes, and Excellent to Good for fancy shapes.
X
Table
The table is the largest, topmost facet of a gemstone. The "Table %" measures how much of the gemstone’s top surface is taken up by the table, comparing its width to the gemstone's overall width at its widest part. This percentage helps determine how the gemstone reflects light and affects its sparkle.
X
Depth
Depth percentage is the height of the diamond measured from the culet to the table, divided by the width of the diamond. The lower the depth %, the larger the diamond will appear (given the same weight), but if this number is too low then the brilliance of the diamond will be sacrificed. The depth percentage is one of the elements that determines the Cut grading.
X
Length-to-Width Ratio
This ratio measures how elongated a diamond appears from the top. Essentially, it compares the length of the diamond to its width. Preferences for this ratio vary; some people like a longer, more rectangular shape, while others prefer a closer to square appearance.
Here's a simple example:
- A princess-cut diamond that's 5.05 mm long and 5.00 mm wide has a length-to-width ratio of 1.01, making it look almost perfectly square.
- Square Shapes (Princess, Radiant, Asscher, Cushion): Ideally close to 1.00, which makes them look square.
- Heart Shape: Ranges from 0.90 to 1.10, giving a slightly more stretched or compressed look.
- Emerald and Oval Shapes: These are more elongated; Emeralds are typically between 1.30 and 1.40, while Ovals range from 1.30 to 1.70.
- Pear and Marquise Shapes: Even more elongated; Pears are between 1.45 and 1.75, and Marquises lie between 1.75 and 2.30.
Popular Ratios for Different Diamond Shapes:
Diamond Price
X
Carat
Carat is a unit of measurement to determine a diamond’s weight. Typically, a higher carat weight means a larger looking diamond, but that is not always the case. Look for the mm measurements of the diamond to determine its visible size.
X
Color
The color scale measures the degree of colorlessness in a diamond. D is the highest and most colorless grade, but also the most expensive. To get the most value for your budget, look for an eye colorless stone. For most diamonds, this is in the F-H range.
X
Clarity
A diamond’s clarity refers to the tiny traces of natural elements that are trapped inside the stone. 99% of diamonds contain inclusions or flaws. You do not need a flawless diamond - they are very rare and expensive - but you want to look for one that is perfect to the naked eye. Depending on the shape of the diamond, the sweet spot for clarity is usually between VVS2 to SI1.
X
Cut
Not to be confused with shape, a diamond’s cut rating tells you how well its proportions interact with light. By evaluating the angles and proportions of the diamond, the cut grade is designed to tell you how sparkly and brilliant your stone is. Cut grading is usually not available for fancy shapes (any shape that is not round), because the mathematical formula that determines light return becomes less reliable when different length to width ratios are factored in.
X
Fluorescence
Fluorescence tells you how a diamond responds to ultraviolet light - does it glow under a black light? Diamonds with no fluorescence are generally priced higher on the market, but it is rare for fluorescence to have any visual impact on the diamond; some fluorescence can even enhance the look of the stone. Our site recommends searching for diamonds with none to medium fluorescence, and keeping open the option of strong fluorescence for additional value.
X
Polish
Polish describes how smooth the surface of a diamond is. Aim for an Excellent or Very Good polish rating.
X
Symmetry
Symmetry describes how symmetrical the diamond is cut all the way around, which is a contributing factor to a diamond’s sparkle and brilliance. Aim for an Excellent or Very Good symmetry rating for round brilliant shapes, and Excellent to Good for fancy shapes.
X
Table
The table is the largest, topmost facet of a gemstone. The "Table %" measures how much of the gemstone’s top surface is taken up by the table, comparing its width to the gemstone's overall width at its widest part. This percentage helps determine how the gemstone reflects light and affects its sparkle.
X
Depth
Depth percentage is the height of the diamond measured from the culet to the table, divided by the width of the diamond. The lower the depth %, the larger the diamond will appear (given the same weight), but if this number is too low then the brilliance of the diamond will be sacrificed. The depth percentage is one of the elements that determines the Cut grading.
X
Length-to-Width Ratio
This ratio measures how elongated a diamond appears from the top. Essentially, it compares the length of the diamond to its width. Preferences for this ratio vary; some people like a longer, more rectangular shape, while others prefer a closer to square appearance.
Here's a simple example:
- A princess-cut diamond that's 5.05 mm long and 5.00 mm wide has a length-to-width ratio of 1.01, making it look almost perfectly square.
- Square Shapes (Princess, Radiant, Asscher, Cushion): Ideally close to 1.00, which makes them look square.
- Heart Shape: Ranges from 0.90 to 1.10, giving a slightly more stretched or compressed look.
- Emerald and Oval Shapes: These are more elongated; Emeralds are typically between 1.30 and 1.40, while Ovals range from 1.30 to 1.70.
- Pear and Marquise Shapes: Even more elongated; Pears are between 1.45 and 1.75, and Marquises lie between 1.75 and 2.30.
Popular Ratios for Different Diamond Shapes:
Color
- J
- I
- H
- G
- F
- E
- D
X
Carat
Carat is a unit of measurement to determine a diamond’s weight. Typically, a higher carat weight means a larger looking diamond, but that is not always the case. Look for the mm measurements of the diamond to determine its visible size.
X
Color
The color scale measures the degree of colorlessness in a diamond. D is the highest and most colorless grade, but also the most expensive. To get the most value for your budget, look for an eye colorless stone. For most diamonds, this is in the F-H range.
X
Clarity
A diamond’s clarity refers to the tiny traces of natural elements that are trapped inside the stone. 99% of diamonds contain inclusions or flaws. You do not need a flawless diamond - they are very rare and expensive - but you want to look for one that is perfect to the naked eye. Depending on the shape of the diamond, the sweet spot for clarity is usually between VVS2 to SI1.
X
Cut
Not to be confused with shape, a diamond’s cut rating tells you how well its proportions interact with light. By evaluating the angles and proportions of the diamond, the cut grade is designed to tell you how sparkly and brilliant your stone is. Cut grading is usually not available for fancy shapes (any shape that is not round), because the mathematical formula that determines light return becomes less reliable when different length to width ratios are factored in.
X
Fluorescence
Fluorescence tells you how a diamond responds to ultraviolet light - does it glow under a black light? Diamonds with no fluorescence are generally priced higher on the market, but it is rare for fluorescence to have any visual impact on the diamond; some fluorescence can even enhance the look of the stone. Our site recommends searching for diamonds with none to medium fluorescence, and keeping open the option of strong fluorescence for additional value.
X
Polish
Polish describes how smooth the surface of a diamond is. Aim for an Excellent or Very Good polish rating.
X
Symmetry
Symmetry describes how symmetrical the diamond is cut all the way around, which is a contributing factor to a diamond’s sparkle and brilliance. Aim for an Excellent or Very Good symmetry rating for round brilliant shapes, and Excellent to Good for fancy shapes.
X
Table
The table is the largest, topmost facet of a gemstone. The "Table %" measures how much of the gemstone’s top surface is taken up by the table, comparing its width to the gemstone's overall width at its widest part. This percentage helps determine how the gemstone reflects light and affects its sparkle.
X
Depth
Depth percentage is the height of the diamond measured from the culet to the table, divided by the width of the diamond. The lower the depth %, the larger the diamond will appear (given the same weight), but if this number is too low then the brilliance of the diamond will be sacrificed. The depth percentage is one of the elements that determines the Cut grading.
X
Length-to-Width Ratio
This ratio measures how elongated a diamond appears from the top. Essentially, it compares the length of the diamond to its width. Preferences for this ratio vary; some people like a longer, more rectangular shape, while others prefer a closer to square appearance.
Here's a simple example:
- A princess-cut diamond that's 5.05 mm long and 5.00 mm wide has a length-to-width ratio of 1.01, making it look almost perfectly square.
- Square Shapes (Princess, Radiant, Asscher, Cushion): Ideally close to 1.00, which makes them look square.
- Heart Shape: Ranges from 0.90 to 1.10, giving a slightly more stretched or compressed look.
- Emerald and Oval Shapes: These are more elongated; Emeralds are typically between 1.30 and 1.40, while Ovals range from 1.30 to 1.70.
- Pear and Marquise Shapes: Even more elongated; Pears are between 1.45 and 1.75, and Marquises lie between 1.75 and 2.30.
Popular Ratios for Different Diamond Shapes:
Clarity
- SI2
- SI1
- VS2
- VS1
- VVS2
- VVS1
- IF
- FL
X
Carat
Carat is a unit of measurement to determine a diamond’s weight. Typically, a higher carat weight means a larger looking diamond, but that is not always the case. Look for the mm measurements of the diamond to determine its visible size.
X
Color
The color scale measures the degree of colorlessness in a diamond. D is the highest and most colorless grade, but also the most expensive. To get the most value for your budget, look for an eye colorless stone. For most diamonds, this is in the F-H range.
X
Clarity
A diamond’s clarity refers to the tiny traces of natural elements that are trapped inside the stone. 99% of diamonds contain inclusions or flaws. You do not need a flawless diamond - they are very rare and expensive - but you want to look for one that is perfect to the naked eye. Depending on the shape of the diamond, the sweet spot for clarity is usually between VVS2 to SI1.
X
Cut
Not to be confused with shape, a diamond’s cut rating tells you how well its proportions interact with light. By evaluating the angles and proportions of the diamond, the cut grade is designed to tell you how sparkly and brilliant your stone is. Cut grading is usually not available for fancy shapes (any shape that is not round), because the mathematical formula that determines light return becomes less reliable when different length to width ratios are factored in.
X
Fluorescence
Fluorescence tells you how a diamond responds to ultraviolet light - does it glow under a black light? Diamonds with no fluorescence are generally priced higher on the market, but it is rare for fluorescence to have any visual impact on the diamond; some fluorescence can even enhance the look of the stone. Our site recommends searching for diamonds with none to medium fluorescence, and keeping open the option of strong fluorescence for additional value.
X
Polish
Polish describes how smooth the surface of a diamond is. Aim for an Excellent or Very Good polish rating.
X
Symmetry
Symmetry describes how symmetrical the diamond is cut all the way around, which is a contributing factor to a diamond’s sparkle and brilliance. Aim for an Excellent or Very Good symmetry rating for round brilliant shapes, and Excellent to Good for fancy shapes.
X
Table
The table is the largest, topmost facet of a gemstone. The "Table %" measures how much of the gemstone’s top surface is taken up by the table, comparing its width to the gemstone's overall width at its widest part. This percentage helps determine how the gemstone reflects light and affects its sparkle.
X
Depth
Depth percentage is the height of the diamond measured from the culet to the table, divided by the width of the diamond. The lower the depth %, the larger the diamond will appear (given the same weight), but if this number is too low then the brilliance of the diamond will be sacrificed. The depth percentage is one of the elements that determines the Cut grading.
X
Length-to-Width Ratio
This ratio measures how elongated a diamond appears from the top. Essentially, it compares the length of the diamond to its width. Preferences for this ratio vary; some people like a longer, more rectangular shape, while others prefer a closer to square appearance.
Here's a simple example:
- A princess-cut diamond that's 5.05 mm long and 5.00 mm wide has a length-to-width ratio of 1.01, making it look almost perfectly square.
- Square Shapes (Princess, Radiant, Asscher, Cushion): Ideally close to 1.00, which makes them look square.
- Heart Shape: Ranges from 0.90 to 1.10, giving a slightly more stretched or compressed look.
- Emerald and Oval Shapes: These are more elongated; Emeralds are typically between 1.30 and 1.40, while Ovals range from 1.30 to 1.70.
- Pear and Marquise Shapes: Even more elongated; Pears are between 1.45 and 1.75, and Marquises lie between 1.75 and 2.30.
Popular Ratios for Different Diamond Shapes:
Cut
(Applicable Only For 'Round' Shape)
- Good
- Very Good
- Excellent
- Ideal
X
Carat
Carat is a unit of measurement to determine a diamond’s weight. Typically, a higher carat weight means a larger looking diamond, but that is not always the case. Look for the mm measurements of the diamond to determine its visible size.
X
Color
The color scale measures the degree of colorlessness in a diamond. D is the highest and most colorless grade, but also the most expensive. To get the most value for your budget, look for an eye colorless stone. For most diamonds, this is in the F-H range.
X
Clarity
A diamond’s clarity refers to the tiny traces of natural elements that are trapped inside the stone. 99% of diamonds contain inclusions or flaws. You do not need a flawless diamond - they are very rare and expensive - but you want to look for one that is perfect to the naked eye. Depending on the shape of the diamond, the sweet spot for clarity is usually between VVS2 to SI1.
X
Cut
Not to be confused with shape, a diamond’s cut rating tells you how well its proportions interact with light. By evaluating the angles and proportions of the diamond, the cut grade is designed to tell you how sparkly and brilliant your stone is. Cut grading is usually not available for fancy shapes (any shape that is not round), because the mathematical formula that determines light return becomes less reliable when different length to width ratios are factored in.
X
Fluorescence
Fluorescence tells you how a diamond responds to ultraviolet light - does it glow under a black light? Diamonds with no fluorescence are generally priced higher on the market, but it is rare for fluorescence to have any visual impact on the diamond; some fluorescence can even enhance the look of the stone. Our site recommends searching for diamonds with none to medium fluorescence, and keeping open the option of strong fluorescence for additional value.
X
Polish
Polish describes how smooth the surface of a diamond is. Aim for an Excellent or Very Good polish rating.
X
Symmetry
Symmetry describes how symmetrical the diamond is cut all the way around, which is a contributing factor to a diamond’s sparkle and brilliance. Aim for an Excellent or Very Good symmetry rating for round brilliant shapes, and Excellent to Good for fancy shapes.
X
Table
The table is the largest, topmost facet of a gemstone. The "Table %" measures how much of the gemstone’s top surface is taken up by the table, comparing its width to the gemstone's overall width at its widest part. This percentage helps determine how the gemstone reflects light and affects its sparkle.
X
Depth
Depth percentage is the height of the diamond measured from the culet to the table, divided by the width of the diamond. The lower the depth %, the larger the diamond will appear (given the same weight), but if this number is too low then the brilliance of the diamond will be sacrificed. The depth percentage is one of the elements that determines the Cut grading.
X
Length-to-Width Ratio
This ratio measures how elongated a diamond appears from the top. Essentially, it compares the length of the diamond to its width. Preferences for this ratio vary; some people like a longer, more rectangular shape, while others prefer a closer to square appearance.
Here's a simple example:
- A princess-cut diamond that's 5.05 mm long and 5.00 mm wide has a length-to-width ratio of 1.01, making it look almost perfectly square.
- Square Shapes (Princess, Radiant, Asscher, Cushion): Ideally close to 1.00, which makes them look square.
- Heart Shape: Ranges from 0.90 to 1.10, giving a slightly more stretched or compressed look.
- Emerald and Oval Shapes: These are more elongated; Emeralds are typically between 1.30 and 1.40, while Ovals range from 1.30 to 1.70.
- Pear and Marquise Shapes: Even more elongated; Pears are between 1.45 and 1.75, and Marquises lie between 1.75 and 2.30.
Popular Ratios for Different Diamond Shapes:
Fluorescence
- Very strong
- Strong
- Medium
- Faint
- None
X
Carat
Carat is a unit of measurement to determine a diamond’s weight. Typically, a higher carat weight means a larger looking diamond, but that is not always the case. Look for the mm measurements of the diamond to determine its visible size.
X
Color
The color scale measures the degree of colorlessness in a diamond. D is the highest and most colorless grade, but also the most expensive. To get the most value for your budget, look for an eye colorless stone. For most diamonds, this is in the F-H range.
X
Clarity
A diamond’s clarity refers to the tiny traces of natural elements that are trapped inside the stone. 99% of diamonds contain inclusions or flaws. You do not need a flawless diamond - they are very rare and expensive - but you want to look for one that is perfect to the naked eye. Depending on the shape of the diamond, the sweet spot for clarity is usually between VVS2 to SI1.
X
Cut
Not to be confused with shape, a diamond’s cut rating tells you how well its proportions interact with light. By evaluating the angles and proportions of the diamond, the cut grade is designed to tell you how sparkly and brilliant your stone is. Cut grading is usually not available for fancy shapes (any shape that is not round), because the mathematical formula that determines light return becomes less reliable when different length to width ratios are factored in.
X
Fluorescence
Fluorescence tells you how a diamond responds to ultraviolet light - does it glow under a black light? Diamonds with no fluorescence are generally priced higher on the market, but it is rare for fluorescence to have any visual impact on the diamond; some fluorescence can even enhance the look of the stone. Our site recommends searching for diamonds with none to medium fluorescence, and keeping open the option of strong fluorescence for additional value.
X
Polish
Polish describes how smooth the surface of a diamond is. Aim for an Excellent or Very Good polish rating.
X
Symmetry
Symmetry describes how symmetrical the diamond is cut all the way around, which is a contributing factor to a diamond’s sparkle and brilliance. Aim for an Excellent or Very Good symmetry rating for round brilliant shapes, and Excellent to Good for fancy shapes.
X
Table
The table is the largest, topmost facet of a gemstone. The "Table %" measures how much of the gemstone’s top surface is taken up by the table, comparing its width to the gemstone's overall width at its widest part. This percentage helps determine how the gemstone reflects light and affects its sparkle.
X
Depth
Depth percentage is the height of the diamond measured from the culet to the table, divided by the width of the diamond. The lower the depth %, the larger the diamond will appear (given the same weight), but if this number is too low then the brilliance of the diamond will be sacrificed. The depth percentage is one of the elements that determines the Cut grading.
X
Length-to-Width Ratio
This ratio measures how elongated a diamond appears from the top. Essentially, it compares the length of the diamond to its width. Preferences for this ratio vary; some people like a longer, more rectangular shape, while others prefer a closer to square appearance.
Here's a simple example:
- A princess-cut diamond that's 5.05 mm long and 5.00 mm wide has a length-to-width ratio of 1.01, making it look almost perfectly square.
- Square Shapes (Princess, Radiant, Asscher, Cushion): Ideally close to 1.00, which makes them look square.
- Heart Shape: Ranges from 0.90 to 1.10, giving a slightly more stretched or compressed look.
- Emerald and Oval Shapes: These are more elongated; Emeralds are typically between 1.30 and 1.40, while Ovals range from 1.30 to 1.70.
- Pear and Marquise Shapes: Even more elongated; Pears are between 1.45 and 1.75, and Marquises lie between 1.75 and 2.30.
Popular Ratios for Different Diamond Shapes:
Polish
- Good
- Very Good
- Excellent
X
Carat
Carat is a unit of measurement to determine a diamond’s weight. Typically, a higher carat weight means a larger looking diamond, but that is not always the case. Look for the mm measurements of the diamond to determine its visible size.
X
Color
The color scale measures the degree of colorlessness in a diamond. D is the highest and most colorless grade, but also the most expensive. To get the most value for your budget, look for an eye colorless stone. For most diamonds, this is in the F-H range.
X
Clarity
A diamond’s clarity refers to the tiny traces of natural elements that are trapped inside the stone. 99% of diamonds contain inclusions or flaws. You do not need a flawless diamond - they are very rare and expensive - but you want to look for one that is perfect to the naked eye. Depending on the shape of the diamond, the sweet spot for clarity is usually between VVS2 to SI1.
X
Cut
Not to be confused with shape, a diamond’s cut rating tells you how well its proportions interact with light. By evaluating the angles and proportions of the diamond, the cut grade is designed to tell you how sparkly and brilliant your stone is. Cut grading is usually not available for fancy shapes (any shape that is not round), because the mathematical formula that determines light return becomes less reliable when different length to width ratios are factored in.
X
Fluorescence
Fluorescence tells you how a diamond responds to ultraviolet light - does it glow under a black light? Diamonds with no fluorescence are generally priced higher on the market, but it is rare for fluorescence to have any visual impact on the diamond; some fluorescence can even enhance the look of the stone. Our site recommends searching for diamonds with none to medium fluorescence, and keeping open the option of strong fluorescence for additional value.
X
Polish
Polish describes how smooth the surface of a diamond is. Aim for an Excellent or Very Good polish rating.
X
Symmetry
Symmetry describes how symmetrical the diamond is cut all the way around, which is a contributing factor to a diamond’s sparkle and brilliance. Aim for an Excellent or Very Good symmetry rating for round brilliant shapes, and Excellent to Good for fancy shapes.
X
Table
The table is the largest, topmost facet of a gemstone. The "Table %" measures how much of the gemstone’s top surface is taken up by the table, comparing its width to the gemstone's overall width at its widest part. This percentage helps determine how the gemstone reflects light and affects its sparkle.
X
Depth
Depth percentage is the height of the diamond measured from the culet to the table, divided by the width of the diamond. The lower the depth %, the larger the diamond will appear (given the same weight), but if this number is too low then the brilliance of the diamond will be sacrificed. The depth percentage is one of the elements that determines the Cut grading.
X
Length-to-Width Ratio
This ratio measures how elongated a diamond appears from the top. Essentially, it compares the length of the diamond to its width. Preferences for this ratio vary; some people like a longer, more rectangular shape, while others prefer a closer to square appearance.
Here's a simple example:
- A princess-cut diamond that's 5.05 mm long and 5.00 mm wide has a length-to-width ratio of 1.01, making it look almost perfectly square.
- Square Shapes (Princess, Radiant, Asscher, Cushion): Ideally close to 1.00, which makes them look square.
- Heart Shape: Ranges from 0.90 to 1.10, giving a slightly more stretched or compressed look.
- Emerald and Oval Shapes: These are more elongated; Emeralds are typically between 1.30 and 1.40, while Ovals range from 1.30 to 1.70.
- Pear and Marquise Shapes: Even more elongated; Pears are between 1.45 and 1.75, and Marquises lie between 1.75 and 2.30.
Popular Ratios for Different Diamond Shapes:
Symmetry
- Good
- Very Good
- Excellent
X
Carat
Carat is a unit of measurement to determine a diamond’s weight. Typically, a higher carat weight means a larger looking diamond, but that is not always the case. Look for the mm measurements of the diamond to determine its visible size.
X
Color
The color scale measures the degree of colorlessness in a diamond. D is the highest and most colorless grade, but also the most expensive. To get the most value for your budget, look for an eye colorless stone. For most diamonds, this is in the F-H range.
X
Clarity
A diamond’s clarity refers to the tiny traces of natural elements that are trapped inside the stone. 99% of diamonds contain inclusions or flaws. You do not need a flawless diamond - they are very rare and expensive - but you want to look for one that is perfect to the naked eye. Depending on the shape of the diamond, the sweet spot for clarity is usually between VVS2 to SI1.
X
Cut
Not to be confused with shape, a diamond’s cut rating tells you how well its proportions interact with light. By evaluating the angles and proportions of the diamond, the cut grade is designed to tell you how sparkly and brilliant your stone is. Cut grading is usually not available for fancy shapes (any shape that is not round), because the mathematical formula that determines light return becomes less reliable when different length to width ratios are factored in.
X
Fluorescence
Fluorescence tells you how a diamond responds to ultraviolet light - does it glow under a black light? Diamonds with no fluorescence are generally priced higher on the market, but it is rare for fluorescence to have any visual impact on the diamond; some fluorescence can even enhance the look of the stone. Our site recommends searching for diamonds with none to medium fluorescence, and keeping open the option of strong fluorescence for additional value.
X
Polish
Polish describes how smooth the surface of a diamond is. Aim for an Excellent or Very Good polish rating.
X
Symmetry
Symmetry describes how symmetrical the diamond is cut all the way around, which is a contributing factor to a diamond’s sparkle and brilliance. Aim for an Excellent or Very Good symmetry rating for round brilliant shapes, and Excellent to Good for fancy shapes.
X
Table
The table is the largest, topmost facet of a gemstone. The "Table %" measures how much of the gemstone’s top surface is taken up by the table, comparing its width to the gemstone's overall width at its widest part. This percentage helps determine how the gemstone reflects light and affects its sparkle.
X
Depth
Depth percentage is the height of the diamond measured from the culet to the table, divided by the width of the diamond. The lower the depth %, the larger the diamond will appear (given the same weight), but if this number is too low then the brilliance of the diamond will be sacrificed. The depth percentage is one of the elements that determines the Cut grading.
X
Length-to-Width Ratio
This ratio measures how elongated a diamond appears from the top. Essentially, it compares the length of the diamond to its width. Preferences for this ratio vary; some people like a longer, more rectangular shape, while others prefer a closer to square appearance.
Here's a simple example:
- A princess-cut diamond that's 5.05 mm long and 5.00 mm wide has a length-to-width ratio of 1.01, making it look almost perfectly square.
- Square Shapes (Princess, Radiant, Asscher, Cushion): Ideally close to 1.00, which makes them look square.
- Heart Shape: Ranges from 0.90 to 1.10, giving a slightly more stretched or compressed look.
- Emerald and Oval Shapes: These are more elongated; Emeralds are typically between 1.30 and 1.40, while Ovals range from 1.30 to 1.70.
- Pear and Marquise Shapes: Even more elongated; Pears are between 1.45 and 1.75, and Marquises lie between 1.75 and 2.30.
Popular Ratios for Different Diamond Shapes:
Report
- GIA
- IGI
- GCAL
X
Carat
Carat is a unit of measurement to determine a diamond’s weight. Typically, a higher carat weight means a larger looking diamond, but that is not always the case. Look for the mm measurements of the diamond to determine its visible size.
X
Color
The color scale measures the degree of colorlessness in a diamond. D is the highest and most colorless grade, but also the most expensive. To get the most value for your budget, look for an eye colorless stone. For most diamonds, this is in the F-H range.
X
Clarity
A diamond’s clarity refers to the tiny traces of natural elements that are trapped inside the stone. 99% of diamonds contain inclusions or flaws. You do not need a flawless diamond - they are very rare and expensive - but you want to look for one that is perfect to the naked eye. Depending on the shape of the diamond, the sweet spot for clarity is usually between VVS2 to SI1.
X
Cut
Not to be confused with shape, a diamond’s cut rating tells you how well its proportions interact with light. By evaluating the angles and proportions of the diamond, the cut grade is designed to tell you how sparkly and brilliant your stone is. Cut grading is usually not available for fancy shapes (any shape that is not round), because the mathematical formula that determines light return becomes less reliable when different length to width ratios are factored in.
X
Fluorescence
Fluorescence tells you how a diamond responds to ultraviolet light - does it glow under a black light? Diamonds with no fluorescence are generally priced higher on the market, but it is rare for fluorescence to have any visual impact on the diamond; some fluorescence can even enhance the look of the stone. Our site recommends searching for diamonds with none to medium fluorescence, and keeping open the option of strong fluorescence for additional value.
X
Polish
Polish describes how smooth the surface of a diamond is. Aim for an Excellent or Very Good polish rating.
X
Symmetry
Symmetry describes how symmetrical the diamond is cut all the way around, which is a contributing factor to a diamond’s sparkle and brilliance. Aim for an Excellent or Very Good symmetry rating for round brilliant shapes, and Excellent to Good for fancy shapes.
X
Table
The table is the largest, topmost facet of a gemstone. The "Table %" measures how much of the gemstone’s top surface is taken up by the table, comparing its width to the gemstone's overall width at its widest part. This percentage helps determine how the gemstone reflects light and affects its sparkle.
X
Depth
Depth percentage is the height of the diamond measured from the culet to the table, divided by the width of the diamond. The lower the depth %, the larger the diamond will appear (given the same weight), but if this number is too low then the brilliance of the diamond will be sacrificed. The depth percentage is one of the elements that determines the Cut grading.
X
Length-to-Width Ratio
This ratio measures how elongated a diamond appears from the top. Essentially, it compares the length of the diamond to its width. Preferences for this ratio vary; some people like a longer, more rectangular shape, while others prefer a closer to square appearance.
Here's a simple example:
- A princess-cut diamond that's 5.05 mm long and 5.00 mm wide has a length-to-width ratio of 1.01, making it look almost perfectly square.
- Square Shapes (Princess, Radiant, Asscher, Cushion): Ideally close to 1.00, which makes them look square.
- Heart Shape: Ranges from 0.90 to 1.10, giving a slightly more stretched or compressed look.
- Emerald and Oval Shapes: These are more elongated; Emeralds are typically between 1.30 and 1.40, while Ovals range from 1.30 to 1.70.
- Pear and Marquise Shapes: Even more elongated; Pears are between 1.45 and 1.75, and Marquises lie between 1.75 and 2.30.
Popular Ratios for Different Diamond Shapes:
Table
X
Carat
Carat is a unit of measurement to determine a diamond’s weight. Typically, a higher carat weight means a larger looking diamond, but that is not always the case. Look for the mm measurements of the diamond to determine its visible size.
X
Color
The color scale measures the degree of colorlessness in a diamond. D is the highest and most colorless grade, but also the most expensive. To get the most value for your budget, look for an eye colorless stone. For most diamonds, this is in the F-H range.
X
Clarity
A diamond’s clarity refers to the tiny traces of natural elements that are trapped inside the stone. 99% of diamonds contain inclusions or flaws. You do not need a flawless diamond - they are very rare and expensive - but you want to look for one that is perfect to the naked eye. Depending on the shape of the diamond, the sweet spot for clarity is usually between VVS2 to SI1.
X
Cut
Not to be confused with shape, a diamond’s cut rating tells you how well its proportions interact with light. By evaluating the angles and proportions of the diamond, the cut grade is designed to tell you how sparkly and brilliant your stone is. Cut grading is usually not available for fancy shapes (any shape that is not round), because the mathematical formula that determines light return becomes less reliable when different length to width ratios are factored in.
X
Fluorescence
Fluorescence tells you how a diamond responds to ultraviolet light - does it glow under a black light? Diamonds with no fluorescence are generally priced higher on the market, but it is rare for fluorescence to have any visual impact on the diamond; some fluorescence can even enhance the look of the stone. Our site recommends searching for diamonds with none to medium fluorescence, and keeping open the option of strong fluorescence for additional value.
X
Polish
Polish describes how smooth the surface of a diamond is. Aim for an Excellent or Very Good polish rating.
X
Symmetry
Symmetry describes how symmetrical the diamond is cut all the way around, which is a contributing factor to a diamond’s sparkle and brilliance. Aim for an Excellent or Very Good symmetry rating for round brilliant shapes, and Excellent to Good for fancy shapes.
X
Table
The table is the largest, topmost facet of a gemstone. The "Table %" measures how much of the gemstone’s top surface is taken up by the table, comparing its width to the gemstone's overall width at its widest part. This percentage helps determine how the gemstone reflects light and affects its sparkle.
X
Depth
Depth percentage is the height of the diamond measured from the culet to the table, divided by the width of the diamond. The lower the depth %, the larger the diamond will appear (given the same weight), but if this number is too low then the brilliance of the diamond will be sacrificed. The depth percentage is one of the elements that determines the Cut grading.
X
Length-to-Width Ratio
This ratio measures how elongated a diamond appears from the top. Essentially, it compares the length of the diamond to its width. Preferences for this ratio vary; some people like a longer, more rectangular shape, while others prefer a closer to square appearance.
Here's a simple example:
- A princess-cut diamond that's 5.05 mm long and 5.00 mm wide has a length-to-width ratio of 1.01, making it look almost perfectly square.
- Square Shapes (Princess, Radiant, Asscher, Cushion): Ideally close to 1.00, which makes them look square.
- Heart Shape: Ranges from 0.90 to 1.10, giving a slightly more stretched or compressed look.
- Emerald and Oval Shapes: These are more elongated; Emeralds are typically between 1.30 and 1.40, while Ovals range from 1.30 to 1.70.
- Pear and Marquise Shapes: Even more elongated; Pears are between 1.45 and 1.75, and Marquises lie between 1.75 and 2.30.
Popular Ratios for Different Diamond Shapes:
Depth
X
Carat
Carat is a unit of measurement to determine a diamond’s weight. Typically, a higher carat weight means a larger looking diamond, but that is not always the case. Look for the mm measurements of the diamond to determine its visible size.
X
Color
The color scale measures the degree of colorlessness in a diamond. D is the highest and most colorless grade, but also the most expensive. To get the most value for your budget, look for an eye colorless stone. For most diamonds, this is in the F-H range.
X
Clarity
A diamond’s clarity refers to the tiny traces of natural elements that are trapped inside the stone. 99% of diamonds contain inclusions or flaws. You do not need a flawless diamond - they are very rare and expensive - but you want to look for one that is perfect to the naked eye. Depending on the shape of the diamond, the sweet spot for clarity is usually between VVS2 to SI1.
X
Cut
Not to be confused with shape, a diamond’s cut rating tells you how well its proportions interact with light. By evaluating the angles and proportions of the diamond, the cut grade is designed to tell you how sparkly and brilliant your stone is. Cut grading is usually not available for fancy shapes (any shape that is not round), because the mathematical formula that determines light return becomes less reliable when different length to width ratios are factored in.
X
Fluorescence
Fluorescence tells you how a diamond responds to ultraviolet light - does it glow under a black light? Diamonds with no fluorescence are generally priced higher on the market, but it is rare for fluorescence to have any visual impact on the diamond; some fluorescence can even enhance the look of the stone. Our site recommends searching for diamonds with none to medium fluorescence, and keeping open the option of strong fluorescence for additional value.
X
Polish
Polish describes how smooth the surface of a diamond is. Aim for an Excellent or Very Good polish rating.
X
Symmetry
Symmetry describes how symmetrical the diamond is cut all the way around, which is a contributing factor to a diamond’s sparkle and brilliance. Aim for an Excellent or Very Good symmetry rating for round brilliant shapes, and Excellent to Good for fancy shapes.
X
Table
The table is the largest, topmost facet of a gemstone. The "Table %" measures how much of the gemstone’s top surface is taken up by the table, comparing its width to the gemstone's overall width at its widest part. This percentage helps determine how the gemstone reflects light and affects its sparkle.
X
Depth
Depth percentage is the height of the diamond measured from the culet to the table, divided by the width of the diamond. The lower the depth %, the larger the diamond will appear (given the same weight), but if this number is too low then the brilliance of the diamond will be sacrificed. The depth percentage is one of the elements that determines the Cut grading.
X
Length-to-Width Ratio
This ratio measures how elongated a diamond appears from the top. Essentially, it compares the length of the diamond to its width. Preferences for this ratio vary; some people like a longer, more rectangular shape, while others prefer a closer to square appearance.
Here's a simple example:
- A princess-cut diamond that's 5.05 mm long and 5.00 mm wide has a length-to-width ratio of 1.01, making it look almost perfectly square.
- Square Shapes (Princess, Radiant, Asscher, Cushion): Ideally close to 1.00, which makes them look square.
- Heart Shape: Ranges from 0.90 to 1.10, giving a slightly more stretched or compressed look.
- Emerald and Oval Shapes: These are more elongated; Emeralds are typically between 1.30 and 1.40, while Ovals range from 1.30 to 1.70.
- Pear and Marquise Shapes: Even more elongated; Pears are between 1.45 and 1.75, and Marquises lie between 1.75 and 2.30.
Popular Ratios for Different Diamond Shapes:
L/W Ratio
X
Carat
Carat is a unit of measurement to determine a diamond’s weight. Typically, a higher carat weight means a larger looking diamond, but that is not always the case. Look for the mm measurements of the diamond to determine its visible size.
X
Color
The color scale measures the degree of colorlessness in a diamond. D is the highest and most colorless grade, but also the most expensive. To get the most value for your budget, look for an eye colorless stone. For most diamonds, this is in the F-H range.
X
Clarity
A diamond’s clarity refers to the tiny traces of natural elements that are trapped inside the stone. 99% of diamonds contain inclusions or flaws. You do not need a flawless diamond - they are very rare and expensive - but you want to look for one that is perfect to the naked eye. Depending on the shape of the diamond, the sweet spot for clarity is usually between VVS2 to SI1.
X
Cut
Not to be confused with shape, a diamond’s cut rating tells you how well its proportions interact with light. By evaluating the angles and proportions of the diamond, the cut grade is designed to tell you how sparkly and brilliant your stone is. Cut grading is usually not available for fancy shapes (any shape that is not round), because the mathematical formula that determines light return becomes less reliable when different length to width ratios are factored in.
X
Fluorescence
Fluorescence tells you how a diamond responds to ultraviolet light - does it glow under a black light? Diamonds with no fluorescence are generally priced higher on the market, but it is rare for fluorescence to have any visual impact on the diamond; some fluorescence can even enhance the look of the stone. Our site recommends searching for diamonds with none to medium fluorescence, and keeping open the option of strong fluorescence for additional value.
X
Polish
Polish describes how smooth the surface of a diamond is. Aim for an Excellent or Very Good polish rating.
X
Symmetry
Symmetry describes how symmetrical the diamond is cut all the way around, which is a contributing factor to a diamond’s sparkle and brilliance. Aim for an Excellent or Very Good symmetry rating for round brilliant shapes, and Excellent to Good for fancy shapes.
X
Table
The table is the largest, topmost facet of a gemstone. The "Table %" measures how much of the gemstone’s top surface is taken up by the table, comparing its width to the gemstone's overall width at its widest part. This percentage helps determine how the gemstone reflects light and affects its sparkle.
X
Depth
Depth percentage is the height of the diamond measured from the culet to the table, divided by the width of the diamond. The lower the depth %, the larger the diamond will appear (given the same weight), but if this number is too low then the brilliance of the diamond will be sacrificed. The depth percentage is one of the elements that determines the Cut grading.
X
Length-to-Width Ratio
This ratio measures how elongated a diamond appears from the top. Essentially, it compares the length of the diamond to its width. Preferences for this ratio vary; some people like a longer, more rectangular shape, while others prefer a closer to square appearance.
Here's a simple example:
- A princess-cut diamond that's 5.05 mm long and 5.00 mm wide has a length-to-width ratio of 1.01, making it look almost perfectly square.
- Square Shapes (Princess, Radiant, Asscher, Cushion): Ideally close to 1.00, which makes them look square.
- Heart Shape: Ranges from 0.90 to 1.10, giving a slightly more stretched or compressed look.
- Emerald and Oval Shapes: These are more elongated; Emeralds are typically between 1.30 and 1.40, while Ovals range from 1.30 to 1.70.
- Pear and Marquise Shapes: Even more elongated; Pears are between 1.45 and 1.75, and Marquises lie between 1.75 and 2.30.
Popular Ratios for Different Diamond Shapes:
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