20 février 2015
Emerald and diamond ring, Tiffany & Co., early 20th century
Colombian Emerald and diamond ring, Tiffany & Co., early 20th century. Estimation 20,000 — 30,000 GBP . Photo Sotheby's. Claw-set with a cabochon emerald between circular-cut diamond shoulders, N1/2, signed Tiffany & Co. Accompanied by the Gem & Pearl...