YEARS 1930 MARGUERITE DIAMOND RING This oval-shaped ring is set with an old-cut diamond in a claw bezel and surrounded by old-cut diamonds. Set in 18K white gold. French work. Gross weight: 5.62 g (chips). Finger size: 53. Weight of the central diamond: approx. 1 carat. A diamond and 18K white gold ring, circa 1930. French assay mark. Gross weight : 5,62 gr. (chips). Size : 53. Maini diamond weight : 1 carat approx.