Main Stone: 1 Emerald Cabachon Cut Genuine Black Onyx, 8 mm x 24 mm 18k Gold-Plated Sterling Silver; Contains 6.50 grams of Sterling Silver Measures: 21 mm wide x 25 mm long x 4 mm high; Shank Width: 1.7 mm wide Includes gift box and drawstring pouch Instantly elevate any look with this sophisticated genuine black onyx cabochon cocktail ring. Perfect for a modern woman who sets trends; not just follows them. Bezel-set emerald cut natural black onyx stone set on an 18k yellow gold-plated sterling silver double band. Size 6-10. - 651338