New York Mayor Zohran Mamdani has called on King Charles III to return the Koh-i-Noor diamond, a historically significant gem mined in India, to its country of origin. The diamond has been part of the British Crown Jewels since 1849.

New York Mayor Zohran Mamdani on Wednesday called on King Charles III to "return" the Koh-i-Noor diamond, a 105.6 carat gem that was mined in India and is now the star of Britain's crown jewels. The diamond has been in British hands since 1849 but its ownership is contested with several countries laying claim.