Art Deco zircon and diamond ring. Set with one central rectangular emerald-cut zircon in an open back claw setting with an approximate weight of 15.00 carats, flanked by raised tapered shoulders set with eighteen round eight cut diamonds in open back grain settings with an approximate total weight of 0.54 carats, to a geometric design with an openwork gallery, pierced backholing and flowing through to a D-shape shank. Tested platinum, circa 1930.
