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International Art Sale
187 - Platinum RING featuring a 5.86-carat cushion-cut sapphire set in the center and accented with brilliant-cut diamonds, 11.9 grams. Size 13. Gemological reports: No. 32570 dated March 11, 2026, issued by the CISGEM laboratory in Milan, certifying that the sapphire has not undergone heat treatment and is of Sri Lankan origin, and No. 91039107 dated January 30, 2004, issued by the AGTA laboratory in New York (USA), indicating the exact weight of the unmounted sapphire and certifying the absence of heat treatment
Platinum RING featuring a 5.86-carat cushion-cut sapphire set in the center and accented with brilliant-cut diamonds, 11.9 grams. Size 13. Gemological reports: No. 32570 dated March 11, 2026, issued by the CISGEM laboratory in Milan, certifying that the sapphire has not undergone heat treatment and is of Sri Lankan origin, and No. 91039107 dated January 30, 2004, issued by the AGTA laboratory in New York (USA), indicating the exact weight of the unmounted sapphire and certifying the absence of heat treatment
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