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 State Crown of George I. In 1953, the crown was resized to fit Elizabeth II, and the arches were lowered by to give it a more feminine appearance. The gold, silver and platinum crown is decorated with 2,868 diamonds, 273 pearls, 17 sapphires, 11 emeralds and 5 rubies. Among the largest stones are the Cullinan II diamond, also known as the Second Star of Africa, added to the crown in 1909. The Black Prince's Ruby, set in the front cross, is a large spinel given to Edward the Black Prince by a Spanish king in 1367 and worn by Henry