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
French Crown Jewels diamond cut in 1678 for Louis XIV and above all the Regent Diamond. The treatment of the Regent Diamond epitomised the attitude of the French Royal Family to the Crown Jewels. While the Regent Diamond was the centrepiece of the King Louis XV crown, and worn by him at his coronation in February 1723, Marie Antoinette, wife of Louis XVI, wore it in a black velvet hat. The Royal French Blue was transformed into the Hope Diamond now in the Smithsonian Institution in Washington, D.C.. With two remaining jewels of the Renaissance, the "Côte-de-Bretagne" red spinel and the "Dragon perle",