Art Deco Colombian emerald and diamond ring. Set to centre with an octagonal emerald-cut natural Colombian emerald with minor clarity enhancement in an open back claw setting with an approximate weight of 1.20 carats, further set with two rectangular baguette cut diamonds in open back rubover settings with an approximate combined weight of 0.40 carats, to an elegant flanked solitaire design featuring curving claws, a structured openwork gallery and fancy shape open backholing flanked by openwork shoulders with cheniers flowing smoothly down to a solid lightly rounded shank. Tested platinum, circa 1925, accompanied by Gemmological Certification Services report #80261-11.
