RING In yellow gold, set with an oval shaped ruby weighing approximately 5.60 cts and two navette diamonds. A diamond and 18k gold ring set with an oval shaped ruby weighing approximately 5,60 cts. C.G.L. certificate stating: origin Burma (Myanmar), natural colour, no heat modification. RC : Stone dimensions: 13.0 x 9.3 x 5.1 mm approx. TDD: 58 - 59; US: 8 1/2 - 9 (changeable). Gross weight: 5.2 g (18k - 750).