Discover the riveting history of the Koh - i - Noor diamond , from its Indian origins to its place in the British Crown Jewels and the debate over its future. According to Hindu belief, it was revered by gods like Krishna—even though it seemed to carry a curse, if the luck of its owners was anything to go by. The gem, which would come to be known as the... The Koh - i - Noor diamond (also Koh-i-Nur or Kūh-e Nūr) is one of the largest and most famous cut diamonds in the world. It was most likely found in southern India... Koh-i-noor, one of the world’s most famous diamonds, known for its size (105.6 carats) and the controversy concerning its ownership. Part of the British crown jewels since 1849, the Koh-i-noor is claimed by several countries, including India, which has demanded its return.