Kohn & Co Art Deco two stone diamond ring. Set centrally with two round old cut diamonds in openback rubover settings with an approximate combined weight of 1.30 carats, further set with eight round old cut diamonds in openback grain settings with a combined weight of 0.36 carats. The total approximate diamond weight is 1.66 carats, to an elegant two stone design featuring millegrain edging, an intricately pierced gallery with a Greek key pattern and fancy open backholing, flanked by trumpeting shoulders the sides engraved with a Greek key design flowing through to a solid grooved square shank. Tested platinum, Makers mark 'KOHN', American, circa 1930.
