Christie's, Hong Kong, November 2005 Lot 2067 A Ruby and Diamond Ring Set with an oval-cut ruby weighing 2.06 carats, flanked on either side by pear-shaped diamonds, mounted in platinum, ring size 5¾
With report no. GRS2002-01493 dated 25 January 2002 from the GemResearch SwissLab stating that the 2.06 carat ruby is of Burmese origin (GRS type "pigeon's blood") and no indication of thermal treatment
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