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Black Onyx Mine In The Us

Black Onyx Mine In The Us

A vintage 18K white gold black onyx and diamond ring. This ring features an old mine cut diamond in the center of a black onyx oval tablet set in carved openwork. Metal Type 18K White Gold Ring Size 5.75 Hallmarks Unmarked Total Weight 2.30 dwt. CENTER DIAMOND Count 1 Shape Ole Mine Cut Color Grade F G Clarity Grade SI1 SI2 ...

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Henan Mining Heavy Machinery Co., Ltd.

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