RING In white gold, set with a beautiful rectangular cut emerald weighing approximately 4 cts, surrounded by baguette and marquise diamonds. In a Luigi Codevilla case. A diamond and 18k gold ring set with an octagonal shaped emerald weighing approximately 4 cts. C.G.L. certificate attesting: Colombia origin, impregnated with minor oil. RC : Stone dimensions: 12.7 x 8.7 x 5.0 mm approx. TDD: 48 - 49; US: 4 1/2 (changeable). Gross weight: 6.7 g (18k - 750).