Iranian Crown Jewels of nearly a decade, Nader Shah Afshar successfully drove the Afghans from Iran. In 1738, the Shah launched his own campaign against the Afghan homeland. After taking and raiding the cities of Kandahar and Kabul as well as several principalities in far-off northern India, and sacking Delhi, the victorious Nader Shah returned to Iran with what remained of the plundered crown jewels as well as several other precious objects now found in the Iranian Treasury. These included diamonds, emeralds, rubies, sapphires, and other precious gemstones. Four of the most prominent acquisitions from this conquest were the Koh-i-Noor and Darya-ye Noor
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",