Large bracelet in 750 thousandths white gold, featuring an oval-cut amethyst weighing approx. 20 ct, encircled by a ring of onyx, itself highlighted by twelve modern brilliant-cut diamonds, the central motif shouldered by lines of blue-green enamel, folding ratchet clasp. Circa 1980. Amethyst size: 20.5 x 17 x 12.9 mm Total estimated diamond weight: 0.12 ct Wrist circumference: 14 cm - Width: 2.8 cm Gross weight : 89,7 g