Diamond Ring Rating Scale

A well cut diamond has better light return which results in better sparkle and brilliance.

Diamond ring rating scale.

Arcane systems used grades of a c 1 3 and i iii etc. Classification of diamond color on a d colorless z tinted scale. For people who are in a time crunch here s a summary of the diamond rating scales and charts for your convenience. Color scale clarity scale.

The gia diamond color grades range from d colorless to z light yellow or brown. The gemological institute of america gia color scale is the industry standard for diamond grading. Many people ask why the gia diamond grading scale starts at d. If a diamond possessing the finest diamond cut grade is also colorless free of inclusions and blemishes and weighs one carat it would be written as.

The gia laboratory issues diamond grading reports for loose natural diamonds in the d to z color range that weigh 0 15 carats or more. Diamond quality charts and rating scales illustrated. Many inclusions and blemishes are too tiny to be seen by anyone other than a trained diamond grader. Each of the four c s carat weight cut color clarity is accompanied by a diamond chart illustrating the differences between grades.

Every diamond certified by the gia undergoes a thorough independent evaluation. Find an ags jeweler or learn more about diamonds.