Gorgeous 100% authentic Tahitian black pearl necklace made with 14K solid yellow gold box chain.
Pearl: top quality A grade (Please refer to the below A-D pearl grading system for details.) 100% authentic Tahitian black pearl Pearl measurement: 10-11mm diameter Color: all natural black with green or silver overtones (not dyed or treated) Shape: round Luster: high Nacre: greater than 0.8mm required by Tahiti law Chain: gold chain: 0.55mm box chain; silver chain: 0.6mm box chain 16" and 18", 0.8mm box chain: 20" Metal: selectable: 14K yellow gold or white gold Chain length: selectable: 16", 18" or 20" Clasp: spring ring
The A-D Pearl Grading System (The Tahitian & South Sea 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.