Art Deco pink spinel and diamond coronet cluster ring. Set to centre with a rectangular emerald-cut natural unenhanced pink Ceylon spinel in an open back claw setting with an approximate weight of 3.20 carats, surrounded by sixteen round old cut diamonds in open back grain settings with an approximate combined weight of 1.30 carats, to a geometric coronet cluster design featuring curving claws, a decorative gallery and open backholing, leading to raised shoulders with chenier detail and flowing through to a solid D-shape shank. Tested platinum, French import marks, circa 1920, accompanied by Gemmological Certification Services report #81280-31.
