This item features genuine Akoya cultured pearls in AA grade. The following picture shows the differences between AA, AA+ and AAA grade. The pearl information shows the details of quality of the AA grade Akoya pearls features by this item. Pearl Information: Pearl Type: Akoya saltwater cultured pearls. Size: 6-6.5MM. Shape: Round. Body Color: White to creamy white. Overtone: Light Pink/creamy. Luster: Medium. Surface: Slightly Blemished. Nacre Thickness: Medium. Matching: Very Good Match. Origin: China. Clasp: 14K Gold designer's fish hook clasp. You have choice of 14K yellow gold or white gold.
For grading Akoya pearls, we use the cultured pearl grading standards provided by the Gemological Institute of America (GIA) and The Guide for Grading Akoya Cultured Pearls by Gemworld International, Inc. We use the G.I.A. Gem Pearl Master Comparison Set to actually compare with the pearls we grade.