LOT 2280 | A RUBY AND DIAMOND RING, BY ADLER
Centering upon an oval-cut ruby weighing 4.05 carats, to the two-tiered brilliant-cut and pear-shaped diamond surround, extending to the half-hoop, mounted in 18K white gold, diamonds weighing approximately 5.90 carats in total, signed ADLER, ring size 6½
Accompanied by a report from the Swiss Gemmological Institute (SSEF), stating that the 4.05 carat natural ruby is red color of medium strong saturation, originates from Burma (Myanmar) and has no indications of heating, report no. 73173, dated 11th March 2014
Accompanied by a report from the GemResearch Swisslab, stating that the 4.05 carat natural ruby is vivid red (GRS type "pigeon's blood"), originates from Burma (Myanmar) and has no indications of thermal treatment, report no. GRS2008-012236-1/Duplicated, dated 19th January 2009
4.05克拉橢圓形緬甸天然「鴿血紅」紅寶石戒指，配以鑽石，鑲18K白金，鑽石共重約5.90克拉，戒指尺寸6½，附 SSEF及GRS 證書，ADLER 設計
HK$ 700,000 - 900,000 US$ 88,000 - 113,000
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