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Attractive Ruby and diamond ring, Bulgari. Sold 457,000 CHF at Sotheby's Geneva, 14 november 2007, lot 379. Photo: Sotheby's.

The cushion-shaped ruby weighing 10.07 carats, set within a double border of brilliant-cut diamonds, mounted in platinum, signed Bulgari. size 52

Accompanied by SSEF report no 49553 stating that the ruby is of Burmese origin, with no indications of heating.