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 Netherlands and jewels were to be "the diamonds of the Crown". They were to be reserved for the ruling monarch and his consort. Amongst these "crown jewels" are large and old fashioned tiaras, devants the corsage and necklaces set with large emeralds, sapphires, diamonds and rubies. They are sometimes worn during state-banquettes. The most impressive solitaire in the collection is a dropshape rose-cut Indian diamond that once belonged to Mary, Princess Royal and Princess of Orange. It is as "large as the egg of a dove and as clear as water". It is seldom worn and the weight is unknown. The