Iranian Crown Jewels spinels are the six surrounding the top of the mace, each weighing 40 carats (8 g). Malecka, A. "The Mystery of the Nur al-Ayn Diamond", in: Gems & Jewellery: The Gemmological Association of Great Britain vol. 23, no. 6, July 2014, pp. 20–22. https://issuu.com/jeweller/docs/jeweller_g_j__sept_2014_/58 Malecka, A. "Daryā-ye Nur: History and Myth of a Crown Jewel of Iran", Iranian Studies vol. 51 (2018), https://dx.doi.org/10.1080/00210862.2017.1362952 Meen, V.B, Tushingham, A.D. Crown jewels of Iran, Toronto 1968. Iranian Crown Jewels The Iranian National Jewels (), originally the Iranian Crown Jewels (), include elaborate crowns, thirty tiaras, and numerous aigrettes, a dozen bejeweled swords and
Crown jewels Koh-i-Noor diamond. In addition to crowns there are also various orbs, swords, coronets, rings and other pieces of regalia. The Honours, or 'crown jewels', including the Stone of Scone, are kept in Edinburgh Castle. They are the oldest surviving crown jewels in the United Kingdom. The crown dates from at least 1540 and the sceptre and the sword were gifts by Pope Alexander VI and Pope Julius II respectively to the King of Scotland in the 15th and 16th centuries. They were hidden during the Interregnum. The Honours of Scotland were almost forgotten following their last use at the coronation