20 novembre 2018
An Important Diamond Ring
Lot 222. An Important 25.03 carats DF Type IIa Diamond Ring. Estimate 2,900,000 — 3,500,000 USD . Lot sold 3,495,000 USD. © Sotheby's. Set with an emerald-cut diamond weighing 25.03 carats, size 6½; illustrated unmounted. Accompanied by GIA report no....