PINKY RING In yellow gold, set with a brilliant-cut diamond weighing approximately 1.20 ct, the shoulder paved with diamonds. TDD: 41 - 42; US: 2 (slightly changeable). A diamond and 18k gold ring, set with a brilliant cut diamond weighing approximately 1.20 ct. RC: Stone dimensions: approximately 6.8 - 6.6 x 4.3 mm. Estimated colour: H. Estimated purity: VVS1. Fluorescence: weak. Gross weight: 9.1 g (18k - 750).