National jewellery museum

The Treasury of National Jewels is a museum in Iran. It reopened to public in 1992 after years of being removed from view.Affiliated with the Central Bank of Iran, it stores and exhibits the Iranian National Jewels as their legal custodian. In the 1930s, the collection grew so valuable that it was used as a reserve for the currency of Iran, and is today considered one of world's famous collections of diamond and other jewels. According to Financial Tribune, "putting a price on the collection would not be possible".

Source: Wikipedia