Accessorize in style with this Gemminded 18k gold over sterling silver black onyx signet ring. Click on this JEWELRY & WATCHES GUIDE to learn about fit, styles, materials and more! Accessorize in style with this Gemminded 18k gold over sterling silver black onyx signet ring. Click on this JEWELRY & WATCHES GUIDE to learn about fit, styles, materials and more! FEATURES Width: 8 mm Shank style: straight Nickel safe Metal: sterling silver Plating: 18k gold Finish: polished Packaging: boxedSTONE DET