Diamond Cut Grade Scale

Many inclusions and blemishes are too tiny to be seen by anyone other than a trained diamond grader.

Diamond cut grade scale.

The official gia diamond clarity scale. Every diamond certified by the gia undergoes a thorough independent evaluation. Uncategorized november 09 2015. Cut grade is the most important factor in determining the overall appearance of a diamond because a poorly cut diamond will seem dull even with excellent clarity and color.

Conversely a well cut diamond can have a slightly lower color g h or clarity si1 si2 and still look quite beautiful due to its superior ability to create sparkle and. Uncategorized may 27 2015. Diamonds with low cut grades often appear glassy or dull or just plain small and they don t live up to our standards of great quality at a great value. Each of the four c s carat weight cut color clarity is accompanied by a diamond chart illustrating the differences between grades.

Here you will learn how gia diamond grades are established and how those grades affect the diamond s price. Gia diamond grading reports. Grading scale use the slider to see cut grade details or view the cut grade chart below. 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.

How light affects a diamond s appearance. Represents roughly the top 35. Diamond clarity the diamond 4cs august 13 2015.