The Mt. Rushmore Black Hills Gold Sterling Silver Eagle Black Onyx Ring for Men features a genuine onyx gemstone to provide stunning contrast with the overlaid 10k white-gold eagle. This great-looking men's ring boasts 12k rose- and green-gold leaf accents. Sterling silver band. Includes a Certificate of Authenticity. Manufacturer's lifetime warranty. Width: .95".Manufacturer model #: MRL02402. Genuine black onyx 10k white-gold eagle 12k red- and green-gold accents Sterling silver band