Excellent Cut Diamond Gia

Gia cut grading chart categorizes diamond cut into 5 grades. 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. There are five cut grades.

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Excellent very good good fair and poor.

Excellent cut diamond gia.

How does pavilion depth affect a diamond s cut. Excellent ex very good vg good g fair f and poor p. Gia uses a 5 grade hierarchy for cut. A diamond with an excellent cut grade is very bright.

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. Poor fair good very good and excellent called ideal as well. Because almost all of the incoming light is reflected through the table the diamond radiates with magnificent sparkle the wording here is significant. A gia report can list overall cut grade as excellent with either or both polish and symmetry grades being at least very good.

Gia s approach to diamond cut grade is a proportion based quality system for round brilliant colorless diamonds. What is diamond cut grading chart. The gia suggest that diamond with an excellent grade provide the highest possible level of fire and brilliance. 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. The distance from the bottom of the girdle to the culet is the pavilion depth. Excellent cut diamonds provide the highest level of fire and brilliance. These diamonds represent the highest cut grade that the gia awards their diamonds.