Boucheron ruby and diamond cluster ring. Set centrally with seven round old cut natural unenhanced Burmese rubies in open back claw settings with an approximate weight of 2.50 carats, encircled by twelve round brilliant cut diamonds in open back claw settings with an approximate combined weight of 2.00 carats, to a floral cluster design featuring curving claws, an open structured gallery and star shaped open backholing, leading to split shoulders and tapering through to a solid ridged shank. Tested platinum and yellow gold, marked ‘BOUCHERON PARIS/49531’, French, circa 1970.
