Stackable birthstone rings beautifully express your name and birthday. Proudly wear one all about you or stack it up with bands honoring your loved-ones. This artcarvedâ® ring is personalized with an oval birthstone resting in an east-west position. Customize the design with an engraving on both sides of the shank, up to 12 characters and spaces each. The inscription can be anything from your name, to your birthday, to a loved-one's initials. Custom made to fit her ring size. Sterling silver rings cannot be resized after purchase.