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 was part of a rough diamond weighing found in South Africa in 1905 and was named after the chairman of the mining company, Thomas Cullinan. The gold clasps holding it can be opened and the stone removed to be worn as a pendant hanging from Cullinan II, which is set in the Imperial State Crown, to form a brooch – Queen Mary, wife of George V, often wore it like this. Above the pear-shaped diamond is the amethyst surmounted by a cross pattée encrusted with an emerald and small diamonds. The Sovereign's Sceptre with Dove, which also has been known