Official Harry Potter Diadem Keyring Rowena Ravenclaw stole the Diadem from her mother as she envied the attention her mother received. Our Diadem Keyring is sure to be the envy of all who see it The diadem is approx. 4mm in height and 5cm wide The overall length is 13.5cm Made from silver plated alloy with crystal detailing A matching pin badge, necklace and earrings are also available The Keyring comes on the official Harry Potter branded packaging. The Carat Shop are the official licensed manufacturers of Harry Potter Jewellery