RING In white gold, set with a cushion-cut Fancy Intense Yellow diamond weighing 1.29 ct, the shoulder set with small brilliant-cut diamonds. TDD: 51 - 52; US: 5 3/4 (not subject to change). A diamond and 18k gold ring set with a cushion-shaped Fancy Intense Yellow diamond weighing 1.29 ct. Copy of G.I.A. certificate attesting: Fancy Intense Yellow colour, VVS2 clarity. RC : Stone dimensions: 6.40 x 5.86 x 3.95 mm. Gross weight: 3.7 g (18k - 750).