The background of National Jewels of Iran dates back to Safavid era in which it was decided that national jewels belong to National Treasury of government, apart from the personal properties of the sovereign. The valuable collections of this museum comprises of the pink colored diamond of Darya-ye-Noor (182 Carats), the Peacock Throne or Takhte Tavous which was built during the reign of Fathali Shah consisted of twelve different pieces (Joined together) and with 26,733 pieces of jewels attached to it.