Dome ring in 750 thousandths gold with a basket-weave setting centered on an emerald-cut emerald approx. 0.40 ct (chips) and four old-cut diamonds set on 850 thousandths platinum. Circa 1960. Emerald size: 6 x 5.2 x 2.5 mm Total estimated diamond weight: 0.30 ct Finger: 48 - Gross weight: 8 g