Accompanied by report no. GRS2002-09688 dated 29 September 2002 from the Gem Research Swiss Lab stating that the 13.72 carat sapphire is of Burmese origin and with no indication of thermal treatment
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A SAPPHIRE AND DIAMOND RING
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Set with an oval cabochon sapphire weighing approximately 13.72 carats, flanked to each side by a smaller cabochon sapphire, to the marquise and brilliant-cut diamond borders, mounted in platinum, ring size 5 ½ (ring size can be adjusted to size 7 ½) |
Estimate
280,000 - 350,000 1,064,000 - 1,330,000 36,000 - 45,000
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