The Koh-i-Noor (Persian for 'Mountain of Light'; /ˌkoʊɪˈnʊər/ KOH-in-OOR),[b][4][5] also spelt Koh-e-Noor, Kohinoor and Koh-i-Nur, is one of the largest cut diamonds in the world, weighing 105.6 carats (21.12 g).[a] It is part of the Crown Jewels of the United Kingdom. The diamond is currently set in the Crown of Queen Elizabeth The Queen Mother.