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
Pink diamond was subsequently forced to default on its purchase. Among famous pink diamonds; the Daria-i-Noor is the largest pink diamond in the world, measured at 182 carats; together with the Noor-ul-Ain, it is the oldest known pink diamond, both belonging to the Iranian crown jewels. As with the color in all fancy color diamonds, the color in pink diamonds is assessed according to its "hue", "saturation" and "tone". The hue refers to the primary and secondary colors, the saturation refers to the distribution of color, and the tone refers to the darkness of the color. Pink diamonds can occur in hues