WebMar 30, 2024 · GIA diamond cutting grades for a round brilliant cut diamond will range from Excellent to Poor. Diamond cut grade is based on a number of factors including symmetry, polish, brilliance and fire. For the most brilliance and beauty, only consider Round Brilliant cut diamonds with an Excellent cut. WebEvery GIA diamond grading report contains an assessment of a diamond’s polish and symmetry, which are contributing factors in determining the overall quality of a diamond’s finish. In evaluating polish and symmetry, GIA considers their specific features and visibility under 10x magnification.
Diamond Rating Chart & Diamond Grading Tools
WebDiamonds with ratings of "Good" or better are most preferred. Symmetry ratings are more important than polish, but not nearly as important as depth and table. The symmetry of a diamond is generally defined as either Poor, Fair, Good, Very Good, or Excellent. When purchasing a diamond, select one with a symmetry grade of Good or above. Girdle WebThis short video explains the GIA cut scale and how GIA classifies round brilliant cut diamonds with a cut grade ranging from Excellent to Poor by factoring in a range of parameters including the diamond’s proportions, culet size, girdle thickness, polish and symmetry descriptions. simon smith and his amazing dancing bear 1976
Diamond Color Chart GIA Diamond Color Scale
WebBecause of the high demand for "Excellent" diamond polish and symmetry grades, there are few diamonds with "Excellent" cut grades and lower grades for either polish or symmetry. So, there are few diamonds that … WebApr 26, 2024 · The GIA diamond cut grade is based on seven factors: brightness, fire, scintillation, weight ratio, durability, polish and symmetry. This 2.02 carat (ct) round brilliant has excellent cut, polish and symmetry. Courtesy: 1stdibs.com WebMar 16, 2024 · Diamonds with an Excellent cut grade, Very Good polish, and Very Good symmetry cost less than Triple X diamonds, providing all else is the same. The visual difference between them and a Triple X … simon smith orthopaedic bunbury