28 octobre 2015
Very fine sapphire and diamond ring
Lot 459. Very fine 40.13 carats Mogok Burmese 'Royal Blue' sapphire and diamond ring. Estimate 780,000 — 1,360,000 CHF. Lot sold 3,190,000 CHF. Photo Sotheby's Set with a cushion-shaped sapphire weighing 40.13 carats, within a surround of marquise-shaped...