The Koh-i-Noor, also spelled Koh-e-Noor, Kohinoor and Koh-i-Nur, is one of the largest cut diamonds in the world, weighing 105.6 carats. 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.
The origin of the diamond is said to be from Kollur mine in present day Andhra Pradesh. From Wikipedia
