Sotheby's, Geneva, May 2001 Lot 199 Sapphire and Diamond Ring. Sugar-Loaf Burmese Sapphire. 
Set with sugar-loaf cabochon sapphire, between buckle shaped shoulders, the mount pave-set throughout with brilliant-cut diamonds, mounted in 18 Karat white gold, size 54. Accompanied by GRS report No. GRS2000-05113 stating that the sapphire is of Burmese origin, no indication of thermal treatment.
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