Lot 47. Burmese cabochon ruby and diamond ring, Buccellati. Estimate 8,500 — 9,500 GBP (10,802 - 12,073 EUR). Photo Sotheby's.

Of bombé design, set with a cabochon ruby and brilliant-cut diamonds, to an engraved mount, size I1/2, signed Buccellati, Italian maker's mark.

Accompanied by GRS report no. GRS2015-107001, stating that the ruby is of Burmese origin, with indications of heat treatment and minor residues. 

Sotheby's. Fine Jewels, Londres, 06 juin 2016, 10:30 AM