Arcane systems used grades of a c 1 3 and i iii etc.
Diamond ring rating scale.
The gemological institute of america gia color scale is the industry standard for diamond grading.
Find an ags jeweler or learn more about diamonds.
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.
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.
Diamond quality charts and rating scales illustrated.
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 diamond color grades range from d colorless to z light yellow or brown.
Color scale clarity scale.
Here you will learn how gia diamond grades are established and how those grades affect the diamond s price.
Every diamond certified by the gia undergoes a thorough independent evaluation.
Many people ask why the gia diamond grading scale starts at d.
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.
A well cut diamond has better light return which results in better sparkle and brilliance.