Diamond Cut Grade Scale

Here you will learn how gia diamond grades are established and how those grades affect the diamond s price.

Diamond cut grade scale. 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. 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. 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. Uncategorized may 27 2015.

The official gia diamond clarity scale. Many inclusions and blemishes are too tiny to be seen by anyone other than a trained diamond grader. Diamond clarity the diamond 4cs august 13 2015. How light affects a diamond s appearance.

Represents roughly the top 35. This short video explains the gia cut scale and how gia classifies round brilliant cut diamonds with a cut grade ranging from excellent to poor by factoring in a range of parameters including the diamond s proportions culet size girdle thickness polish and symmetry descriptions. Grading scale use the slider to see cut grade details or view the cut grade chart below. Gia diamond grading reports.

Understanding diamond grading and cut grades. 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. Every diamond certified by the gia undergoes a thorough independent evaluation.