RING In platinum and yellow gold, set with an octagonal shaped emerald weighing approximately 3.10 cts and two troïda diamonds. A diamond, platinum and 18k gold ring set with an octagonal shaped emerald weighing approximately 3,10 cts. C.G.L. certificate stating: origin Zambia, impregnation minor. RC : Dimensions of the stone: approximately 9.5 x 8.8 x 5.3 mm. TDD: 53 - 54; US: 6 1/2 - 7 (changeable). Gross weight: 5.8 g (Pt - 950 and 18k - 750).