14 avril 2014
Fine Platinum and Diamond Ring
Lot 409. Fine Platinum and Diamond Ring, Type lla , 9.22 carats, D color, Internally Flawless. Estimate 700,000 — 900,000 USD. Lot sold 953,000 USD . Photo Sotheby's Centering an emerald-cut diamond weighing 9.22 carats, flanked by two tapered baguette...