28 septembre 2013
Sapphire and diamond ring
Sapphire and diamond ring. Photo: Sotheby's Simply set with an oval sapphire weighing 21.00 carats, to a stylised mount set with circular-cut diamonds, mounted in platinum. Ring size: 5½. Estimate 3,500,000 — 4,000,000 HKD Accompanied by Gübelin and AGL...