Art Deco sapphire and diamond ing. Set centrally with one octagonal emerald-cut natural unenhanced sapphire in an open back rubover setting with an approximate weight of 1.20 carats, flanked by two cushion shape old cut diamonds in open back rubover settings with an approximate total weight of 0.30 carats, to a solid angular collet with bold geometric details to the gallery and square backholing following through to a heavy tapered conforming shank with grooved detail around the entirety of the band. Marked platinum, indistinct maker's mark, circa 1935, accompanied by Gemmological Certification Services report #79179-42.
