BEAUTIFUL RING In white gold, set with a large oval Burmese sapphire weighing 47.48 cts surrounded by round old-cut diamonds. An old cut diamond and 18k gold ring, set with an oval shaped sapphire weighing 47,48 cts. G.R.S. certificate stating: origin Burma (Myanmar), no heat modification. RC : Dimensions of the stone: 23.61 x 19.57 x 11.11 mm. Total diamond weight: approx. 5.70 cts. TDD: 56; US: 7 3/4 (changeable). Gross weight: 25.5 g (18k - 750).