RUBY AND DIAMOND RINGThe cushion-shaped ruby, weighing 2.99 carats, between brilliant-cut diamond shoulders, mounted in platinum,UK hallmark, ring size LFor further information on this lot please visit theProvenance: Apanied by a report from GRS stating that the ruby is 'pigeon's blood' red, of Burmese origin, with indications of heat treatment and insignificant residue in fissures. Report number GRS2018-018119, dated 2nd January 2018.