5 août 2016
Fine sapphire and diamond ring, Louis Gérard
Lot 403. Fine 24.56 carats Ceylon sapphire and diamond ring, Louis Gérard. Estimate 95,000 — 140,000 CHF. Lot sold 278,500 CHF. Photo: Sotheby's 2012 Set with an oval sapphire weighing 24.56 carats, between shield-shaped diamond shoulders, size 49, sizing...