There are numerous numbers of royal items such as gold , diamond and precious handcrafted crown swords and maces that was collected by the Iraninan kings over the times.
some famous jewels that are in the museum are:
Darya-e Noor Diamond (Daria-i-Noor Diamond)
The Pahlavi Crown
The Noor Al Ain Tiara
The Imperial Sword
The Naderi Throne
The museum has onsite guides with knowledge of Persian, English, French and Russian languages.