An emerald and diamond cluster ring in 18ct bi-coloured gold, featuring an oval-cut emerald of 7.0 x 5.2 x 3.0 mm, encircled with ten brilliant-cut diamonds with an estimated weight of 0.8ct, between tapered shoulders to D-section shank, London hallmarked with maker's mark 'ATLd', ring head measures 13.2 x 11.1 mm, ring size O, total weight of item 6.2 grams.