LARGE COCKTAIL RING In three strands of platinum, set with an emerald-shaped aquamarine weighing approximately 45 cts, set with brilliant-cut diamonds and tapers. A diamond and 18k gold ring, set with an emerald shaped aquamarine weighing approximately 45 cts. C.G.L. certificate: Santa Maria colour. RC : Stone dimensions: approx. 25.4 x 18.5 x 13.8 mm. TDD: 63; US: 10 1/2 (changeable). Gross weight: 29.7 g (Pt - 950).