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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.

Accompanied by SSEF report no. 97594, Gübelin report no. 18097220 and AGL report no. 1089907, each stating that the ruby is of Burmese origin, with no indications of heating, the Gübelin and AGL reports stating 'pigeon blood' colour, together with an SSEF appendix letter.

Sotheby's. Magnificent Jewels and Noble Jewels, Geneva, 14 may 2019