LOT 2644 | A COLOR-CHANGE SAPPHIRE AND DIAMOND RING
Of tapered bombé design, set to the center with a cushion-cut color-change sapphire weighing 9.26 carats, flanked by pear-shaped diamonds, within an openwork pear-shaped and brilliant-cut diamond surround, extending to the rim and half-hoop, mounted in 18K white gold, diamonds weighing approximately 5.45 carats in total, ring size 6
Accompanied by a report from the Gemresearch SwissLab, stating that the 9.26 carat natural sapphire shows color-changing in different lights: blue in daylight to purple in incandescent light, originates from Sri Lanka and has no indication of thermal treatment, report no. GRS2018-108395, dated 12th October 2018
HK$ 200,000 - 300,000 US$ 25,000 - 38,000
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