Art Deco Colombian emerald and diamond ring. Set to centre with an octagonal emerald-cut natural Colombian emerald with no colour enhancement in an open back rubover setting with an approximate weight of 1.40 carats, flanked by two rectangular baguette cut diamonds in open back rubover settings with a combined approximate weight of 0.20 carats, all to a geometric flank solitaire design featuring polished edges, a structural open gallery, and open backholing, leading to slightly raised shoulders and flowing through to a solid D-shape shank. Marked platinum, circa 1925, accompanied by Gemmological Certification Services report #80267-27.
