A solid white opal and diamond ring, the oval opal cut en cabochon bordered by round brilliant cut diamonds totalling 0.36cts, mounted in 18ct gold, ring size N. Condition: ring presents in very good condition. Opal measures 22.46 mm x 16.61 mm x 4.82 mm estimated total weight 9.81cts. Hallmark London, Sponsor 'Kc' Scribing '1/10 90'. Diamonds assessed mounted as colour H/I, clarity Vs. Gross weight: 12.8gms,