A modernist emerald and diamond dress ring, consisting of a centre square emerald approximately

A modernist emerald and diamond dress ring, consisting of a centre square emerald approximately measuring 5.7 mm, along with round brilliant diamonds in various sizes, estimated total weight 0.53cts, claw set on a textured wire mount, stamped as '18ct' to a flat shank, overall dimensions 3.3 x 2.1 cm, ring size L, total weight of item 13.0 grams.