Fine Jewels
Lot 578:
Set with a cushion-cut ruby weighing 8.60 carats, enhanced by an openwork base of interlaced undulating tapered baguette-cut diamond surround, mounted in yellow gold, ring size 4½
Accompanied by a report from the Gemresearch Swisslab, stating that the 8.60 carat natural ruby is red color, originates from Siam (Thailand) and enhanced by heat with residues insignificant, report no. GRS2013-048031, dated 30th April 2013
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