BoucheronBurmeseruby and diamond ring. Set to centre with a cushion shape old cutnatural unenhanced Burmese ruby in an open backclaw setting with an approximate weight of 2.19 carats, further set with two rectangular baguette cut diamonds in open back rubover settings with a combined approximate weight of 0.20 carats, to a flanked solitaire design with curving claws, a pierced gallery and open backholing, the slightly raised shoulders flowing to a solid ridged shank. Markedplatinum, signed ‘BOUCHERON’, numbered '3864', French, circa 1935, accompanied by GPL report #05678 and American Gemological Laboratories report #CS 30417.