RING In two shades of gold, set with an oval shaped sapphire weighing 12.31 cts and two emerald cut diamonds each weighing approximately 0.50 ct. A diamond and 18k gold ring set with an oval shaped sapphire weighing 12.31 cts. C.G.L. certificate stating: origin Sri Lanka (Ceylon), natural "Royal blue" colour, no heat modification. RC : Scratches. Size of stone: 14.40 x 10.70 x 9.47 mm. TDD: 51 / US: 5 3/4 - 6 (changeable). Gross weight: 12.1 g (18k - 750).