RING In white gold, set on claws with a beautiful oval blue spinel weighing approximately 9.50 cts, shouldered by two troika diamonds in a setting of small diamonds. The ring is partially set with diamonds. A diamond and 18k gold ring set with an oval shaped spinel weighing approximately 9,50 cts. C.G.L. certificate: natural spinel, intense blue colour, no heat. RC : Stone dimensions: 13.9 x 10.6 x 7.7 mm approx. TDD: 54; US: 6 3/4 (changeable). Gross weight: 6.1 g (18k - 750).