9 avril 2012
Platinum and fancy blue diamond ring, Tiffany & Co., circa 1900
Lot 430. Platinum and fancy blue diamond ring, Tiffany & Co., circa 1900. Estimate 300,000-500,000 USD. Lot sold 2,434,500 CHF . Photo Sotheby's The modified marquise-shaped diamond of fancy blue color weighing 3.54 carats, within a delicate mounting...