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 was part of a rough diamond weighing found in South Africa in 1905 and was named after the chairman of the mining company, Thomas Cullinan. The gold clasps holding it can be opened and the stone removed to be worn as a pendant hanging from Cullinan II, which is set in the Imperial State Crown, to form a brooch – Queen Mary, wife of George V, often wore it like this. Above the pear-shaped diamond is the amethyst surmounted by a cross pattée encrusted with an emerald and small diamonds. The Sovereign's Sceptre with Dove, which also has been known