Pearl Grade

5 May

There are two scoring systems for the classification of the class / grade pearls are AAA-A system and A-D systems. We use the A-D system to determine the grade of pearls in which:
A = The best quality, sharp luster with disabilities less than 10%.
B = Good quality, sharp luster with disabilities less than 30%.
C = Quality Medium, medium luster with a disability less than 60%
D = lower quality, less lustrous with a disability less than 60%.
Defect in question is small holes, streaks, spots and small bumps that used to exist on the surface of the pearl

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