Impressive High-Quality Signet Rings, made of 925 Sterling Silver set with Black Onyx Stone or White Shell.PRODUCT SPECIFICATIONSMetal Purity: Solid 925 Sterling SilverStone Type: Black Onyx or White ShellStone Size: 0.78" x 0.51" / 20mm x 13mmTotal Weight: 16-20g / 0.5-0.7oz. It could be a minor difference in the ring weight that depends on the ring size.Includes: VY Jewelry pouch that makes it an excellent gift.Made in ThailandSize range from 8 to 15Didn't find your size? Contact us and get an update when your size arrived.VY Jewelry works to create a Top Quality Fine Jewelry that allows you to reveal the sense of uniqueness in your personality and feel comfortable and confident with.If you have any questions, Please contact us, We will do our best to help.