Gia Fancy Color Diamond Grading Chart
Just the opposite happens with fancy color diamonds.
Gia fancy color diamond grading chart. The gia color grading scale and chart illustration. Gem diamonds in gia s d to z range usually decrease in value as the color becomes more obvious. Gia color grade the gia grades diamonds on a scale of d colorless through z light color. Instead of assigning a diamond s color as a single alphabet like d or j fancy colored diamonds.
Among the 4cs for grading and evaluating diamonds is color in white diamonds unlike fancy color diamonds a diamond with a higher color grade colorless d e f will carry a bigger price tag than a diamond in lower color grades such as j k m. For example yellow diamonds occur in a wide range of. True fancy colored diamonds such as yellows pinks and blues are graded on a separate color scale. The gia system for color grading fancy color diamonds is designed to accommodate the fact that not all colored diamonds have the same depth of color.
Here s also where things work in a totally different manner. Their value generally increases with the strength and purity of the color. Large vivid fancy color diamonds are extremely rare and very valuable. Obviously the diamond color chart refers to the color of the diamond one of the 4cs which was also designed by the gia.
All d z diamonds are considered white even though they contain varying degrees of color. Grading fancy color diamonds is complex and specialized and it takes highly trained laboratory graders to complete the process accurately. The diamond color chart was designed by the gia the most authoritative diamond grading lab relied on by the global diamond industry.