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Jan 14, 2016 · There are five cut grades: Excellent (EX), Very Good (VG), Good (G), Fair (F) and Poor (P). A diamond with an Excellent cut grade is very bright. It shows an even pattern with good contrast between light and dark areas, so the reflections appear crisp and well-balanced.
Jun 24, 2018 · “Excellent” is the highest cut grade given by GIA. With excellent grades in both symmetry and polish as well. This triple excellent cut diamond is the cream of the crop.
Jun 1, 2023 · Diamond cut grading and terminology explained in simplet to understand terms by Novita Diamond’s top gemmologist. Learn about diamond cut grade and how to choose the right diamond cut.
Apr 26, 2018 · GIA evaluates a round brilliant diamond’s cut based on seven components – brightness, fire, scintillation, weight ratio, durability, polish and symmetry – to arrive at a GIA diamond cut grade, which ranges from Excellent to Poor.
Jan 14, 2016 · This graphic illustrates the measured and visually assessed proportions that affect a round brilliant diamond’s cut grade. A specific set of terms is used to describe parts of a polished diamond. Each part of a diamond makes its own contribution to the diamond’s appearance.
All Tiffany diamonds are masterfully cut to maximize brilliance. There are three diamond cuts used to craft every diamond shape: brilliant cut, step cut and mixed cut.
Assessing the major components of a diamond, as well as its ability to interact with light, the Diamond Cut Grading System provides a standard system for consistently evaluating and documenting the cut quality of a standard round brilliant diamond from Excellent to Poor.
