Excellent Cut Diamond Gia

How does pavilion depth affect a diamond s cut.

Excellent cut diamond gia.

What is diamond cut grading chart. Excellent cut diamonds provide the highest level of fire and brilliance. The distance from the bottom of the girdle to the culet is the pavilion depth. Because almost all of the incoming light is reflected through the table the diamond radiates with magnificent sparkle the wording here is significant.

Gia s approach to diamond cut grade is a proportion based quality system for round brilliant colorless diamonds. The gia cut grading system applies to the most popular cutting style the standard round brilliant and all clarities across the d to z color range. Poor fair good very good and excellent called ideal as well. There are five cut grades.

Gia uses a 5 grade hierarchy for cut. Excellent ex very good vg good g fair f and poor p. A diamond with an excellent cut grade is very bright. If a gia diamond receives an excellent grade for polish symmetry and cut it is considered a triple excellent diamond.

The gia diamond cut scale for standard round brilliant diamonds in the d to z diamond color range contains 5 grades ranging from excellent to poor and is the definitive scale for classifying diamond cuts. A gia report can list overall cut grade as excellent with either or both polish and symmetry grades being at least very good. Gia cut grading chart categorizes diamond cut into 5 grades. There are different grading systems to define diamond cut but the most common agreed on one is the cut chart created by gia since it s known to be the best diamond certification lab.