RING In platinum, set with a rectangular step-cut emerald weighing 3.73 cts (engraved), in a surround of round diamonds, the shoulder highlighted with pear-shaped diamonds. A diamond and platinum ring set with a rectangular step cut emerald weighing 3.73 cts (engraved). C.G.L. certificate attesting: origin Colombia (Colombia), minor impregnation (minor oil). RC : Dimensions of the stone: 10.8 x 8.8 x 5.8 mm approx. TDD: 53-54; US: 6 1/2 (changeable - internal ring). Gross weight: 10.5 g (Pt - 950).