Genuine Semi-Precious Onyx Gemstone and 14k gold ring. This black onyx ring is 14k gold plated over sterling silver and e-coated for anti-tarnish protection. Double band ring adds an edgy and polished style to any look. E-coated for extra durability and protection of your double band ring. Silver weight: 1.75. Onyx Stone Width: 6 mm. Onyx Stone Height: 8 mm. Tarnish free ring Responsibly sourced, made from conflict free materials and free of nickel, lead, and any other unsafe mineral. This is genuine 14k gold, .925 sterling silver and onyx. Brand new. Questions? Drop them in the comments. Bundle for a discount on your new onyx ring. Thank you for browsing my closet and happy poshing to you.