Solitaire ring in 750 thousandths white gold and 850 thousandths platinum set with an old brilliant-cut diamond. Finger size: 52.5 - Gross weight: 6.7 g Certified by the HRD laboratory as weighing 1.58 ct, with H color, P1 clarity and no fluorescence. Diamond size: 7.50 - 7.71 x 4.15 mm