An emerald and diamond dress ring in 18ct gold, centred with a square step-cut emerald with canted corners in bright green colour, approximately measures 8.9 x 8.4 x 6.1 mm, claw-set between two rows of channel-set diamonds with an estimated total weight of 0.32ct, to a tapering shank, Birmingham assay marks, size O, 6.6 grams.