NAVETTE DIAMOND RING IN PLATINUM NAVETTE DIAMOND RING in platinum, embellished in the centre with a navette-cut diamond of ct 5.06, colour K, clarity SI1, flanked by two tapes-cut diamonds of ct 0.50, size 11/51, PLAT hallmark and serial number, gr. 5. Accompanied by an IGN certificate dated 12/02/2024 certifying the characteristics of the central diamond.