2 août 2016
Sapphire and diamond ring, Cusi
Lot 548. Sapphire and 8.53 carats D Colour, VS1 Clarity diamond ring, Cusi. Estimate 150,000 — 250,000 CHF. Lot sold 1,482,500 CHF. Photo: Sotheby's 2012 Of crossover design, set with a pear-shaped sapphire and a pear-shaped diamond weighing 8.53 carats,...