Gia Diamond Clarity Grading Scale

The gia diamond grading scale is divided into six categories and eleven grades.

Gia diamond clarity grading scale. The fewer inclusions and blemishes the diamond has the better the clarity grade. Internally flawless category if diamonds have no inclusions visible under 10x magnification only small blemishes on the diamond surface. Very few people still cling to other grading systems and no other system has the clarity and universal acceptance of the gia scale. Understanding the 4cs of diamond quality and diamond cut grading.

For standard round brilliant cut diamonds falling in the d to z color range the report also includes a. Thus the gia scale starts at the letter d. So the creators of the gia color scale wanted to start fresh without any association with earlier systems. The clarity categories and grades are.

The size number position relief and the type of inclusion or blemish present and how easily they can be seen at 10x magnification determine a. Gia created the 4cs color clarity cut and carat weight as a universal method for establishing the quality of any diamond anywhere in the world. Gia diamond clarity scale as found on gia diamond grading reports a diamond s clarity or its relative lack of inclusions and blemishes is graded on a scale ranging from flawless to included. If you found these variations of the diamond gia diamond clarity scale informative informally known as the clarity chart have a look at gia s blog posts that explain the 4cs of diamond quality.

Main image courtesy of john o hara. Like the color scale gia s clarity grading system developed because jewelers were using terms that could be misinterpreted loupe clean or piqué today even if you buy a diamond somewhere else in the world the jeweler will most likely use terms like vvs 1 or si 2 to indicate the clarity of a diamond even if his or her. Flawless category fl diamonds have no inclusions or blemishes visible under 10x magnification. Diamond quality can be communicated in a universal language and diamond buying consumers can know exactly what they are about to purchase.

The 4cs means two very important things.