Art Deco Colombian emerald and diamond ring. Set to centre with a rectangular emerald-cut natural Colombian emerald with no colour enhancement and minor clarity enhancement in an open back claw setting with an approximate weight of 1.89 carats, flanked by two rectangular baguette cut diamonds in open back rubover settings with a combined approximate weight of 0.44 carats, to an angular flanked solitaire design featuring millegrain edging, a pierced gallery and open shaped backholing, leading to raised shoulders and flowing through to a solid shank. Marked platinum, numbered '039', circa 1920, accompanied by Gemmological Certification Services report #80240-06.
