True fancy colored diamonds such as yellows pinks and blues are graded on a separate color scale.
Gia fancy color diamond grading chart.
All d z diamonds are considered white even though they contain varying degrees of color.
Near colorless diamonds are also considered high quality especially g and h color diamonds.
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.
When we delve into the other end of the spectrum any diamond that lies out of the scale is graded as a fancy colored diamond fcd.
Obviously the diamond color chart refers to the color of the diamond one of the 4cs which was also designed by the gia.
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.
The gia color grading scale and chart illustration.
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.
Gem diamonds in gia s d to z range usually decrease in value as the color becomes more obvious.
The diamond color chart was designed by the gia the most authoritative diamond grading lab relied on by the global diamond industry.
Just the opposite happens with fancy color diamonds.
But there two different types of coloring when it comes to diamonds.
Instead of assigning a diamond s color as a single alphabet like d or j fancy colored diamonds.