17 avril 2020
Platinum, Alexandrite and Diamond Ring
Lot 279. Platinum, 26.22 carats Ceylon Alexandrite and Diamond Ring. Estimate 125,000 — 175,000 USD . Lot sold 754,000 USD. Photo: Sotheby's. Centering an alexandrite weighing 26.22 carats, flanked by tapered baguette diamonds weighing 1.23 carats, size...