Lot 148. An important 14.38 carats Burmese ruby and diamond 'Trombino' ring, by Bulgari. Estimate CHF 700,000 - CHF 1,000,000 (USD 705,464 - USD 1,007,806). Price realised CHF 823,500 (USD 835,605). © Christie's Images Ltd 2017

Set with an oval cabochon ruby, weighing approximately 14.38 carats, between baguette-cut diamond shoulders, within the pavé-set diamond surround, ring size 4, mounted in gold. Signed Bvlgari

Accompanied by report no. 65531 dated 22 October 2012 from the SSEF Swiss Gemmological Institute stating that the origin of the ruby is Burma (Myanmar), with no indications of heating.

Christie's. Magnificent Jewels, 17 May 2017, Geneva