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Noor-ol-Ain tiara.png
The Noor-ul-Ain mounted in a tiara of the same name
WeightAround 60 carats (12 g)
ColorPale Pink
CutOval Brilliant
Country of originIndia
Mine of originGolconda
Original ownerMughal
OwnerIranian Crown Jewels[1]

The Noor-ul-Ain (Arabic: نور العين‎, lit. 'the light of the eye') is one of the largest pink diamonds in the world, and the centre piece of the tiara of the same name.


The diamond is believed to have been recovered from the Vijayanagara mines in India and was brought into the Iranian Imperial collection after Persian king Nader Shah Afshar looted Delhi in the 18th century.[citation needed]

The Noor-ul-Ain is believed to have once formed part of an even larger gem called the Great Table diamond; that larger diamond is thought to have been cut in two, with one section becoming the Noor-ul-Ain and the other the Daria-i-Noor diamond. Both of these pieces are currently part of the Iranian Crown Jewels.[1]

History of the tiara[edit]

The Noor-ul-Ain is the principal diamond mounted in a tiara of the same name made for Iranian Empress Farah Pahlavi's wedding to Shah Mohammad Reza Pahlavi in 1958; the tiara was designed by Harry Winston. It is a modern design, featuring 324 pink, yellow, and white diamonds set in platinum, it is said to weigh around 2 kg (4.4 lb). The tiara forms part of the Iranian crown jewels, held at the National Treasury of Iran in the Central Bank in Tehran.[2]

It is a Type IIa diamond.[3]

See also[edit]


Anna Malecka, "The Mystery of the Nur al-Ayn Diamond", Gems & Jewellery: The Gemmological Association of Great Britain, volume 23 (7), August/September 2014, pp. 20-22;

External links[edit]