Iranian Crown Jewels the presidency of Hashemi Rafsanjani re-opened the permanent exhibition of the Iranian crown jewels to the public in the 1990s. They remain on public display . The Royal Mace of Iran is a jewel-encrusted ceremonial mace, a part of the Iranian Crown Jewels. It was a favorite of Fat′h-Ali Shah Qajar, who is often shown holding it in his miniature portraits. The mace is encrusted with spinels and diamonds, from end to end. It is 73 cm (2.4 ft) long. The largest diamond weighs 17 carats (3.4 g), and is located on the very top of the mace. The largest
Crown jewels Koh-i-Noor diamond. In addition to crowns there are also various orbs, swords, coronets, rings and other pieces of regalia. The Honours, or 'crown jewels', including the Stone of Scone, are kept in Edinburgh Castle. They are the oldest surviving crown jewels in the United Kingdom. The crown dates from at least 1540 and the sceptre and the sword were gifts by Pope Alexander VI and Pope Julius II respectively to the King of Scotland in the 15th and 16th centuries. They were hidden during the Interregnum. The Honours of Scotland were almost forgotten following their last use at the coronation