Ruby and diamond ring by Lambert Bros. Set to centre with an oval old cut natural unenhanced Burmese ruby in an open back claw setting with an approximate weight of 1.30 carats, further set with two round old cut diamonds in open back grain and rubover settings with a combined approximate weight of 0.10 carats, to a elegant flanked solitaire design featuring curving corner claws, an structural gallery and and fancy shape open backholing, flanked by ridged shoulders flowing down to a solid tapering D-shape shank. Tested platinum, signed 'LAMBERT BROS', American, circa 1950, accompanied by Gemmological Certification Services report #80262-91.
