26 décembre 2016
12.15 carats step-cut diamond ring
Lot 408. A 12.15 carats step-cut diamond ring. Estimate 980,000 — 1,450,000 CHF . Lot sold 1,450,000 CHF. Photo Sotheby's. Claw-set with a step-cut diamond weighing 12.15 carats, between tapered baguette diamond shoulders, size 51 . Accompanied by GIA...