4.37 CARAT NAVETTE DIAMOND SIGNET RING This ring is set with a navette diamond weighing 4.37 carats in a half-moon setting on a pavé of brilliant-cut diamonds and calibrated sapphires. Set in 18K yellow gold. French work. Gross weight: 13.07 g. Finger size: 52. Preliminary examination by LFG, in their opinion: colour I, clarity VS2, average fluorescence. A 4,37 carats shuttle-shaped diamond, sapphires and 18K yellow gold ring. French assay mark. Gross weight : 13,07 gr. Size : 52. LFG report, in their opinion : color I, clarity VS2, fluorescence medium