A vintage Emerald and Diamond ringA vintage cluster ring. Principal stone a rectangular emerald that measures 6x3mm (0. 40 carats est) with good deep grass green hues with natural inclusions as with most emeralds. The rectangular head has been set with twelve old brilliant cut white diamonds, each 2mm to a total carat total of 0. 35 carats, colour H j, clarity Si. Head tests as platinum, 11x9mm, depth 4mm. Under setting and band test as 18 carat yellow gold, no hallmarks required for