Lot 431. Important 5.14 carats Burmese 'pigeon blood' ruby and diamond ring, Bulgari. Estimate  1,250,000 — 1,350,000 CHF (1,254,675 - 1,355,049 USD). Lot sold 1.700.000 CHF / 1.687.743 $. Courtesy Sotheby's

Set with a cushion-shaped ruby weighing 5.14 carats, within a surround of marquise- and pear-shaped diamonds, size 501/2, signed Bulgari, maker's mark.