GIA 7 Pearl Value Factors
Posted at 22:12h in Articles by Deonne Le Roux 0 Comments 0Likes Pearls And The GIA 7 Pearl Value Factors PDF BROCHURE The GIA uses a comprehensive standard it developed over a 60-year period of ground-breaking research on pearls, called The GIA 7 Pearl Value Factors™ (Size, Shape, Color, Luster, Surface, Nacre, and Matching).The GIA 7 Pearl Value Factors™ provide a systematic […]