10 septembre 2015
Platinum, Emerald and Diamond Ring, Tiffany & Co.
Platinum, Colombian Emerald and Diamond Ring, circa 1925, Tiffany & Co. Estimate 150,000 — 250,000 USD . Photo: Sotheby's Centering an oval-shaped cabochon emerald measuring approximately 19.2 by 12.6 by 7.7 mm, flanked by trapeze-cut diamonds weighing...