Art Deco Burmese ruby and diamond three stone ring. Set to centre with a square step cut natural unenhanced Burmese ruby in an open back rubover setting with an approximate weight of 0.80 carats, further set with two round old cut diamonds in open back grain settings with an approximate combined weight of 0.20 carats, to an elegant three stone design featuring polished edges, an engraved gallery with ornate scrolling details and fancy shape open backholing, leading to trumpeting shoulders engraved with chevron motifs and flowing through to a solid D-shape shank. Marked platinum, French, circa 1920, accompanied by Gemmological Certification Services report #80262-87.
