27 décembre 2016
Important 22.26 carats step-cut diamond ring, Harry Winston
Lot 471. Important 22.26 carats step-cut diamond ring, Harry Winston. Estimate 390,000 — 680,000 CHF . Lot sold 526,000 CHF. Photo Sotheby's. Claw-set with a step-cut diamond weighing 22.26 carats, between tapered baguette diamond shoulders , size 57,...