Lot 535. 'Royal Blue' Burmese sapphire and diamond bracelet, Cusi. Estimate 100,000 — 150,000 CHF. Lot sold 278,500 CHF. Photo: Sotheby's 2012 Designed as a series of graduated oval sapphires alternating with oval diamonds, length approximately 182mm,...

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,...

Lot 552. Very important pair of 12.29 carats and 13.09 carats Kashmir sapphire and diamond ear clips, Cusi. Estimate 400,000 — 600,000 CHF. Lot sold 1,482,500 CHF. Photo: Sotheby's 2012 Each centring on a cushion-shaped sapphire weighing 12.29 carats...