Ring in 750 thousandths white gold, set with an oval-cut yellow-orange zircon weighing approx. 11.50 ct, in a setting of twenty-four modern brilliant-cut diamonds, the bezel encircled by a piece of onyx and shouldered by sixty-two modern brilliant-cut diamonds. Circa 1980. Zircon size: 13.5 x 10.7 x 8.8 mm Total estimated diamond weight: 1 ct Finger: 53 - Gross weight: 14.3 g