20 novembre 2018
An Impressive Diamond Ring, Harry Winston
Lot 57. An Impressive 51.52 carats F IF Diamond Ring, Harry Winston. Estimate 3,500,000 — 4,500,000 USD . Lot sold ,975,000 USD. © Sotheby's. Set with a cushion-cut diamond weighing 51.52 carats, flanked by two shield-shaped diamonds,size 6, with maker's...