Gia Diamond Grading Scale Chart

So the creators of the gia color scale wanted to start fresh without any association with earlier systems.

Gia diamond grading scale chart. Gia s clarity chart better known as the official gia diamond clarity scale is the standard used by jewelers worldwide and is regarded as the best diamond clarity scale in the industry. Gia diamond grading scales. The universal measure of quality march 14 2013 the prospect of purchasing a diamond may seem daunting but through gia an unbiased authority on diamonds you have several handy resources to help you select the highest quality diamond. Gia not only developed scale and the grade terms on it but just as importantly gia also developed the grading practices and methodology needed to arrive at those clarity grades.

This short video explains the gia clarity scale and how gia classifies diamonds with a clarity grade ranging from flawless to i 3 by using a 10x magnification loupe and a microscope to see and plot the diamond s inclusions. All d z diamonds are considered white even though they contain varying degrees of color. Very few people still cling to other grading systems and no other system has the clarity and universal acceptance of the gia scale. Gia s clarity chart better known as the official gia diamond clarity scale is the standard used by jewelers worldwide.

Thus the gia scale starts at the letter d. Many inclusions and blemishes are too tiny to be seen by anyone other than a trained diamond grader. Below is the gia diamond color chart with definitions accompanied by further explanatory comments from lumera.