CHEVALIERE In white gold, set with a rectangular square-cut emerald weighing approximately 9 cts, with round diamonds in hexagonal settings. Ring signed Bettella. A diamond and 18k gold ring set with an rectangular shaped emerald weighing approximately 9 cts. C.G.L certificate attesting: Colombia origin, "vivid green" colour, minor oil impregnation. RC : Traces of resin. Dimensions of the stone: 12.8 x 11.0 x 8.8 mm. TDD: 58; US: 8 (changeable). Gross weight: 21.8 g (18k - 750).