22 novembre 2010
Emerald-cut diamond ring, Graff
Diamond ring, Graff. photo courtesy Sotheby's Centring on an emerald-cut diamond weighing 11.32 carats, between tapered baguette diamond shoulders, mounted in platinum, size 51, signed Graff. Est. 500,000—700,000 CHF. Lot Sold 758,500 CHF Accompanied...