Koh-i-Noor Koh-i-Noor The Koh-i-Noor (; ), also spelt Kohinoor and Koh-i-Nur, is one of the largest cut diamonds in the world, weighing , and part of the British Crown Jewels. The diamond was originally owned by the Kakatiya dynasty. Probably mined in Golconda, India, there is no record of its original weight, but the earliest well-attested weight is 186 old carats (191 metric carats or 38.2 g). Koh-i-Noor is Persian for "Mountain of Light"; it has been known by this name since the 18th century. It changed hands between various factions in modern-day India, Pakistan, Iran, and Afghanistan, until being ceded
Crown Jewels of the United Kingdom on three consort crowns. A small number of historical objects at the Tower are either empty or set with glass and crystals. At a coronation the monarch is anointed using holy oil poured from an ampulla into the spoon, invested with robes and ornaments, and crowned with St Edward's Crown. Afterwards, it is exchanged for the lighter Imperial State Crown, which is also usually worn at State Openings of Parliament. Wives of kings are invested with a plainer set of regalia, and since 1831 a new crown has been made specially for each queen consort. Also regarded as Crown Jewels