An Art Deco emerald and diamond ring, 1930s, centring on a step-cut emerald weighing approximately
An Art Deco emerald and diamond ring, 1930s, centring on a step-cut emerald weighing approximately 1.00 carat, between circular-cut diamonds each weighing approximately 0.25 carats, to a fluted white gold mount set with smaller single-cut diamonds, length T, stamped 585