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 Foundation Regalia of the House of Orange-Nassau, instituted on 27 July 1963. In 1968 a Foundation "Kroongoederen van het Huis van Oranje-Nassau" was instituted. It owns the regalia and the House-jewels. The Houses of Orange and Nassau have a collection of jewels, including diamonds and pearls. The famous Small Sancy diamond of 34 carat was bought by Frederik Hendrik, and is now in the collection of the Prussian Royal Family. These collections have been dispersed several times. After the death of William III in 1702 there were several heirs in Germany, descendants of his grandfather Prince Frederick Henry. The famous