Ruby and diamond five stone ring. Set with three cushion shape old cut natural unenhanced Siam rubies in open back claw settings with a combined approximate weight of 0.90 carats, alternated by two round old cut diamonds in open back claw settings with a combined approximate weight of 0.74 carats, to an elegant five stone design featuring curving claws, a carved gallery and circular open backholing, flanked by integrated shoulders with decorative ridging and flowing through to a solid D-shape shank. Tested 18 carat yellow gold, circa 1910, accompanied by Gemmological Certification Services report #81293-30.
