Main Stone: 1 Cushion Buff Top Cut Genuine Black Onyx, 10 mm x 10 mm Accent Stone: 16 Cubic Zirconias .08 cttw 18k Gold-Plated Sterling Silver; Contains 6.60 grams of Sterling Silver Measures: 23 mm wide x 10 mm long x 6 mm high; Shank Width: 3.0 mm wide Includes gift box and drawstring pouch PalmBeach Jewelry exclusive. The clean lines of this genuine black onyx ring works with everything, from your office suit to your weekend jeans. Two rows of white cubic zirconia accents flank a cushion-cut faceted genuine black onyx center stone for a striking look you'll love. Richly plated in 18k gold. Sizes 8-13. - 5794912