Main Stone: 1 Emerald Buff Top Cut Genuine Black Onyx, 10 mm x 8 mm Accent Stone: 6 Genuine Diamonds .21 cttw 18k Gold-Plated, Silvertone Measures: 21.5 mm wide x 21 mm long x 7.5 mm high; Shank Width: 2.0 mm wide Includes gift box and drawstring pouch