An 18ct white gold opal and diamond cocktail ring, pear shape cluster centring a 25 x 15 mm white opal (craze) surrounded by 26 round brilliant cut diamonds totalling approx. 1.04ct to fleur de lis style split shoulders, size at top 30 x 19.5 mm, height 10.5 mm, size N, wt. 13.01g.