RING In white gold, set with a beautiful round emerald weighing 3.51 cts (engraved), the surround paved with brilliant-cut diamonds. A diamond and 18k gold ring set with a round shaped emerald weighing 3.51 cts. C.G.L. certificate stating: origin Colombia, impregnated with minor oil. RC : Stone dimensions: 10.76 x 9.72 x 5.03 mm. TDD: 53; US: 6 1/2 (changeable). Gross weight: 5.5 g (18k - 750).