Options: Choose from 12 stones according to your birth month. Zircondia crystals: Features beautiful Zircondia crystals! Size: Adjustable fit for ring sizes M-Q. Ring: Get a beautiful birthstone ring from Philip Jones. Gift idea: The perfect gift for someone special! Material: Made from a rhodium-plated brass alloy. | Philip Jones Birthstone Ring with Zircondia® Crystals - Silver | Wowcher