Lot 207. A Burma ruby and diamond ring. Estimate CHF24,000 – CHF34,000 ($24,205 - $34,290). Price realised CHF 32,500. Photo Christie's Image Ltd 2015

Set with an oval cabochon ruby, within a marquise-cut diamond surround, ring size 4

Accompanied by report no. 81299 dated 22 July 2015 from the SSEF Swiss Gemmological Institute stating that the origin of the ruby is Burma (Myanmar), with no indications of heating and moderate amount of oil in fissures. 

Christie's. GENEVA MAGNIFICENT JEWELS, 10 November 2015, Geneva