Round Shape Diamonds
A diamond's shape is its outline when viewed from the top and is one of its most important defining characteristics. The most commonly chosen variation, brilliant round cut diamonds are renowned for their unrivaled fire and brilliance due to their excellent light refraction properties. Because a round cut diamond emits a higher level of brilliance, it will offer much of the same aesthetic appeal even if it has a lower color, clarity, or cut.
Shop the selection of Round cut loose diamonds below and narrow your search by choosing additional filters. For assistance, contact a Brilliance diamond and jewelry expert at 866-737-0754.
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0.23 Carat Cut Loose Diamond, F Color, I1 Clarity, Good Cut, GIA Certified
0.23 carat shape diamond, F color, I1 clarity, Good cut, GIA certified diamond from Brilliance.
Additional Information
0.24 Carat Cut Loose Diamond, H Color, I1 Clarity, Very Good Cut, GIA Certified
0.24 carat shape diamond, H color, I1 clarity, Very Good cut, GIA certified diamond from Brilliance.
0.18 Carat Cut Loose Diamond, H Color, VS2 Clarity, Excellent Cut, IGI Certified
0.18 carat shape diamond, H color, VS2 clarity, Excellent cut, IGI certified diamond from Brilliance.
0.33 Carat Cut Loose Diamond, M Color, SI2 Clarity, Good Cut, GIA Certified
0.33 carat shape diamond, M color, SI2 clarity, Good cut, GIA certified diamond from Brilliance.
0.16 Carat Cut Loose Diamond, G Color, VS2 Clarity, Excellent Cut, IGI Certified
0.16 carat shape diamond, G color, VS2 clarity, Excellent cut, IGI certified diamond from Brilliance.
0.23 Carat Cut Loose Diamond, J Color, VS2 Clarity, Good Cut, EGL Certified
0.23 carat shape diamond, J color, VS2 clarity, Good cut, EGL certified diamond from Brilliance.
0.18 Carat Cut Loose Diamond, F Color, SI2 Clarity, Excellent Cut, GIA Certified
0.18 carat shape diamond, F color, SI2 clarity, Excellent cut, GIA certified diamond from Brilliance.
0.15 Carat Cut Loose Diamond, I Color, VS1 Clarity, Ideal Cut, IGI Certified
0.15 carat shape diamond, I color, VS1 clarity, Ideal cut, IGI certified diamond from Brilliance.
0.29 Carat Cut Loose Diamond, L Color, VS2 Clarity, Good Cut, EGL Certified
0.29 carat shape diamond, L color, VS2 clarity, Good cut, EGL certified diamond from Brilliance.
0.18 Carat Cut Loose Diamond, G Color, SI1 Clarity, Good Cut, GIA Certified
0.18 carat shape diamond, G color, SI1 clarity, Good cut, GIA certified diamond from Brilliance.
Diamond Shape
When selecting a certified diamond, shape is one of the most important factors to consider. The contours and outlines of a loose diamond have a significant impact on its appearance. At Brilliance, we offer the ten most popular shapes in our certified diamond search. Round diamonds have long been the most popular, although many modern consumers prefer alternative shapes, including emerald, princess, radiant, and asscher, among others. Each diamond shape has its own unique traits, aesthetic properties, and markings of quality.
Round Cut Diamonds
The most commonly chosen variation, brilliant round cut diamonds have been more researched by certified gemologists than any other shape. Round cut diamonds boast excellent light refraction properties, causing them to appear brighter than other cuts. When clarity and color are equal, a round diamond will be more valuable than alternative shapes.
During cutting and processing, a round cut diamond sacrifices more of its original carat weight than any other shape. A round diamond’s fire and brilliance can be enhanced through the use of scientific calculations performed by expert diamond cutters. The better the cut, symmetry, and polish, the more brilliant a round cut diamond will appear.
With other loose diamond shapes, settling for lower grades of color and clarity usually means sacrificing some of the beauty of the stone. Because a round cut diamond emits higher levels of brilliance and fire, it will offer much of the same aesthetic appeal even if it has a lower color, clarity, or cut.
To achieve optimal symmetry and light performance in a diamond, the stone must be cut to specific depth and table percentages. The depth percentage of a diamond measures the ratio of the stone’s depth to the diamond’s total diameter. The table percentage is the ratio of the width of the diamond’s top facet in relation to the width of the entire stone. For round cut diamonds, the depth and table ranges below will yield different qualities of cut.
- Depth Percentage
- Ideal: 63% - 59.5%
- Excellent: 64% - 59%
- Very Good: 64.5% - 58%
- Good: 65% - 57.5%
- Table Percentage
- Ideal: 59% - 54%
- Excellent: 60% - 53%
- Very Good: 61% - 52%
- Good: 63% - 52%
Every loose diamond shape has a length-to-width ratio, which determines how a certified diamond will appear when viewed from above. When selecting a round shaped diamond, look for a length-to-width ratio between 1 and 1.02.
