Is the Koh i Noor diamond in Tower of London a replica?

The Koh i Noor diamond is a real diamond that is part of the Crown Jewels. The Koh i Noor was found in Golconda, India, and was owned by the Mughal dynasty for centuries. In 1849, the diamond was given to Queen Victoria by Duleep Singh, the last Maharaja of the Sikh Empire. The diamond is currently on display in the Jewel House at the Tower of London.