Main Stone: 1 Marquise Faceted Cut Genuine Black Onyx, 10 mm x 5 mm Accent Stone: 12 Cubic Zirconias .12 cttw 18k Gold-Plated Sterling Silver; Contains 2.90 grams of Sterling Silver Measures: 16.5 mm wide x 13.5 mm long x 4.5 mm high; Shank Width: 1.5 mm wide Includes gift box and drawstring pouch