6 novembre 2016
23.88 carats Burmese step-cut sapphire and diamond ring
Lot 316. 23.88 carats Burmese step-cut sapphire and diamond ring. Estimate 330,000 — 550,000 CHF . Photo Sotheby's Set with a step-cut sapphire weighing 23.88 carats, between shield-shaped diamond shoulders , size 501/2, Italian maker's mark . Accompanied...