There are many different standards of birthstones, such as Traditional Birthstones, Modern Birthstones, Mystical Birthstones, and Ayurvedic Birthstones, etc. Prince Charming birthstone italian charms follow the official birthstone list from the American National Association of Jewelers that were officially adopted in 1912. All Prince Charming birthstone italian charms are made of Austrian Swarovski Rhinestones.