An impressive Art Deco-influenced emerald and diamond ring, comprising a band of five princess-cut emeralds set within a cusped circuit of millegrain-set round-cut diamonds, between the tapering precious white metal faced shoulders of an 18 ct yellow metal shank, diamonds 1 mm diameter and approx 0.24 ct aggregate weight, emeralds approx 0.35 ct aggregate weight, M, 3.1 g