LOT 1260 | A BLACK OPAL AND DIAMOND RING
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Set with an oval cabochon black opal, flanked by baguette-cut diamond shoulders and the two-tiered brilliant-cut diamond surround, mounted in platinum, opal weighing approximately 6.71 carats, diamonds weighing approximately 2.75 carats in total, ring size 5¾
Accompanied by a report from the Gemological Institute of America, stating that the approximately 6.71 carat natural opal is black color, displays a play of color and has no indications of color treatment, report no. 2194448868, dated 25th February 2015
橢圓形天然黑蛋白石戒指，配以小鑽，鑲鉑金，黑蛋白石重約6.71克拉，鑽石共重約2.75克拉，戒指尺寸5¾，附GIA證書
ESTIMATES:
HK$ 200,000 - 300,000 US$ 25,000 - 38,000
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