Important and rare Kashmir Sapphire and Diamond ring. photo Sotheby's Set with a cushion-shaped sapphire weighing 18.08 carats, flanked by two similarly-cut diamonds together weighing 2.96 carats, mounted in platinum. Estimate Upon Request - Sold 11,748,000...

An Impressive Unheated Ceylon 32.08 carats Sapphire and Diamond Ring Set with a sugarloaf cabochon unheated sapphire weighing approximately 32.08 carats, within a pavé-set diamond surround, to the polished gold half hoop, mounted in platinum, size 6 1/2....