18k yellow gold natural opal, onyx, and diamond necklace. An oval cabochon cut natural opal gemstone, 78 carat, mounted in the center of the necklace. Fancy natural onyx gemstones and round brilliant cut and baguette cut diamonds accent the necklace around the center gemstone; total estimated diamond weight 1.54 carat; overall weight 71.5 gm. Offered with GGA Report states the replacement value of $92,780.00
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