RING In platinum, centred on a round half-cut diamond weighing approximately 1.80 ct, the shoulder in tiers of baguette-cut diamonds underlined by brilliant-cut diamonds. A diamond and platinum ring. RC : Bears a Bulgari signature. Stone size: 7.8 - 7.8 x 4.4 mm approx. TDD: 52 - 53; US: 6 1/4 (changeable). Gross weight: 4.8g (Pt - 950).