Absolutely gorgeous 100% authentic top quality Tahitian black pearl ring in 925 sterling silver
Pearl: 100% authentic top quality A grade (Please refer to the below A-D Tahitian pearl grading system for details) Tahitian black pearl Pearl shape: slight button (round top with a slightly flat bottom) Pearl measurement: 9-10mm in diameter, 10-11mm in length Luster: high Color: all natural black with possible green or silver overtone (not dyed or treated) Nacre: greater than 0.8mm required by Tahiti law Metal: 925 sterling silver at 12.0 grams Size: selectable (5, 6)
The A-D Pearl Grading System (The Tahitian Pearl System)
A: Highest-quality pearl, very high luster and only minor imperfections over less than 10% of its surface. B: High or medium luster. Surface may have some visible imperfections over no more than 30% of its surface area. C: Medium luster with surface defects over not more than 60% of the surface area. D: May have many slight defects over 60% of surface or deep defects over no more than 60% of surface.
Note 1: Some sellers use AAA, AA, A grading system which is used more commonly on fresh water and Akoya pearls. It is not a typical grading system for Tahitian and South Sea pearls.