3 août 2016
Fine diamond ring
Lot 504. Fine 12.19 carats D Colour, VS1 Clarity diamond ring. Estimate 330,000 — 420,000 CHF. Lot sold 722,500 CHF. Photo: Sotheby's 2012 Claw-set with a step-cut diamond weighing 12.19 carats, size 521/2. Accompanied by GIA report no. 2145948152, stating...