Sapphire and diamond three stone ring. Set to centre with a round old cut natural unenhanced sapphire in an open back claw setting with an approximate weight of 0.60 carats, flanked by two round old cut diamonds in open back claw settings with a combined approximate weight of 0.65 carats, to an elegant crossover design featuring curving claws, an intricately pierced gallery and circular open backholing, leading to asymmetric shoulders and flowing through to a solid D-shape shank. Marked 18 carat yellow gold and tested platinum, circa 1910, accompanied by Gemmological Certification Services report #5783-3338.
