Daria-i-Noor ruling Qajar dynasty of Iran, the Daria-i-Noor entered the Qajar treasury. During this time, Naser al-Din Shah Qajar was said to be very fond of the diamond, often wearing it as an armband, aigrette, or a brooch and maintenance of the diamond was an honor bestowed upon higher ranking individuals. The diamond currently resides with the National Jewels of Iran. In 1965, a Canadian team conducting research on the Iranian Crown Jewels concluded that the Daria-i-Noor may well have been part of a large pink diamond that had been studded in the throne of the Mughal emperor Shah Jahan, and
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",