A TWO-STRAND BLACK CULTURED PEARL, DIAMOND AND BICOLORED GOLD NECKLACE

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A TWO-STRAND BLACK CULTURED PEARL, DIAMOND AND BICOLORED GOLD NECKLACE
Of thirty-one and thirty-three graduated black cultured pearls measuring from approximately 13.85 to 11.25 mm, with a circular-cut diamond and 18K white and yellow gold buckle clasp--20¼ ins. long
With certificate 10153231 from the Gemological Institute of America stating that the black pearls are cultured pearls, natural color