A tiara said to grant wisdom to the wearer. It was lost for centuries before it became a Horcrux


Rowena Ravenclaw's diadem fact file


Type

Horcrux

Magical properties

Believed to grant wisdom to the person wearing it

Where it is likely to be found

Spent centuries hidden in a forest in Albania until it was moved to the Room of Requirement

Who made or first owned it

Rowena Ravenclaw

Who it belongs to

Stolen by Rowena's daughter Helena before it was made into a Horcrux by Lord Voldemort. Destroyed by Fiendfyre