The national treasury of the jewelry of Iran namely the Treasury of Royal Jewelry was established in Tehran in 1955 in order to take care of the national jewelry of Iran. Most of the royal jewelry of Iran is in display in this museum from Safavid, Afsharid, Ghajarid and Pahlavid dynasties such as the Darya-ye-Noor dimond (the sea of light), Naderi Paisley, the crown of Queen Farah Pahlavi, Kiyani crown, the gemmed globe, the Peacock bed (Ghajarid) (The sun bed), and the Naderi bed.
The outstanding jewlry of the musem include:
Dary-ye-Noor: the biggest and the brightest diamond among the royal jewelry of Iran and one of the most well-known jewels in the world.
The Geographical globe is another precious items of the museum. With its gold stand, it weighs around 5.37kg and there are 51366 gems of various types weighing 4.3656g. The oceans and seas are marked with emerald, Asia is gemmed with ruby and garnet, Iran is gemmed with diamond, Europe gemmed with ruby,Africa gemmed with ruby and sapphire, North and South America and Australia are gemmed with ruby and garnet. The equator is marked with diamond and two simple golden lines inlaid with diamond, cross and encompass the globe.
The Moon Crown: another piece of jewelry which stands out after Darya-ye-Noor among the royal jewelry. This white and beautiful almond-shaped stone weighs 112 carats and was located in the middle of the royal strap for the left arm. But later, was used as a button on the chest or mounted on the hat and now is kept unmounted in the treasury of royal jewelry of Iran.
On the globe, the titles of Naser-Aldin Shah are carved and gemmed with diamond. On this globe, Mount Damavand is marked with a big ruby and Tehran is marked with a famous ruby called Orang -Zib.