Harry Potter Diadem Pin Badge with Crystals
 
Formerly belonging to Rowena Ravenclaw, the Diadem was later found to be one of Voldemort's Horcruxes and was destroyed in the Deathly Hallows
 
It is approx 20mm in height and 10mm wide.
 
This Pin Badge comes on the official Harry Potter branded card packaging and shows the Warner Bros logo on the reverse.