Art Deco Colombian emerald and diamond ring. Set to centre with an oval old cut natural Colombian emerald with no colour enhancement and minor clarity enhancement in an open back claw setting with an approximate weight of 2.09 carats, further set with two triangular step cut diamonds in open back claw settings with a combined approximate weight of 0.60 carats, to an impressive flanked solitaire design featuring curving corner claws, an intricately pierced gallery and fancy shape open backholing, flanked by elegant inwardly tapering shoulders leading to a solid D-shape shank. Marked 18 carat rose gold, tested platinum, French, circa 1930, accompanied by Gemmological Certification Services report #5774-131 and Swiss Gemmological Institute (SSEF) report #122655.
