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 of the United Kingdom with emeralds, rubies, sapphires and 6,100 diamonds. It has not been used since and is now a part of the Crown Jewels. A coronation begins with the procession into Westminster Abbey. The swords of state reflect a monarch's role as Commander-in-Chief of the British Armed Forces and Defender of the Faith. Three are carried before the monarch into the Abbey: the blunt Sword of Mercy (also known as Curtana), the Sword of Spiritual Justice, and the Sword of Temporal Justice. All are believed to have been supplied at the time of James I between 1610 and 1620, probably by a