The Noor-ul-Ain Tiara, owned by the Treasury of National Jewels in Iran, features a pink diamond, one of the largest in the world. This diamond is called the Noor-ul-Ain, and the tiara was named after it. The diamond adorned the Peacock Throne of Shah Jahan which was looted by Nader Shah. Noor-ul-Ain was mined at Golconda's Kollur Mine.