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.

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 november 09 2015. Diamond clarity the diamond 4cs august 13 2015. The official gia diamond clarity scale.

Here you will learn how gia diamond grades are established and how those grades affect the diamond s price. Each of the four c s carat weight cut color clarity is accompanied by a diamond chart illustrating the differences between 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. 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.

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. Gia diamond grading reports. Astor by blue nile poor fair cut. Understanding diamond grading and cut grades.

Grading scale use the slider to see cut grade details or view the cut grade chart below. Every diamond certified by the gia undergoes a thorough independent evaluation. Represents roughly the top 35.