2 décembre 2017
Diamond Ring, Harry Winston
Lot 311. Diamond Ring, Harry Winston weighing 19.54 carats, D color, VVS2 clarity, internally flawless. Estimate $1,000,000 — 1,500,000 . Lot Sold 1,815,000 USD. Courtesy Sotheby's. Featuring an emerald-cut diamond weighing 19.54 carats, highlighted with...