18ct white gold emerald and double halo diamond cluster ring, with diamond set shoulders, hallmarked

18ct white gold emerald and double halo diamond cluster ring, with diamond set shoulders, hallmarked, emerald 4.86 carat, total diamond weight approx 1.70 carat - Condition Report Approx 6.2gm, size M, overall head size = 19mm x 17mm, emerald weight stamped on inside of shank