Ruby and diamond three stone ring. Set to centre with a cushion shape old cut natural unenhanced Siam/Cambodian ruby in an open back claw setting with an approximate weight of 0.60 carats, flanked by two cushion shape old mine diamonds, in open back claw settings with a combined approximate weight of 0.30 carats, to an elegant three stone design featuring curving claws, an intricately pierced gallery and circular open backholing, leading to smooth shoulders and flowing through to a solid D-shape shank. Marked 18 carat yellow gold and tested platinum, indistinct maker's mark, circa 1905, accompanied by Gemmological Certification Services report #5783-3550.
