8 septembre 2015
Platinum, Sapphire and Diamond Ring, Harry Winston
Platinum, 11.62 carats Burmese Sapphire and Diamond Ring, Harry Winston. Estimate 150,000 — 200,000 USD . Photo: Sotheby's. Centering an emerald-cut sapphire weighing 11.62 carats, framed by marquise-shaped diamonds weighing approximately 9.00 carats,...