New York City’s mayor says he would urge the King to return a long-disputed crown jewel to India if they spoke privately. Zohran Mamdani was among dignitaries who met the King and Queen at a ceremony in the city on Wednesday commemorating victims of the September 11, 2001 attack on the city by al Qaeda. As part of their four-day state visit to the United States, the royal couple visited the National 9/11 Memorial in lower Manhattan , where Charles laid flowers. Zohran Mamdani, who met the King in New York, said he would urge him to return the jewel (Getty) Mr Mamdani told reporters before the event: “If I were to speak to the king separately from that, I’d probably encourage him to return the Koh-i-noor diamond.” The Koh-i-Noor diamond, which is one of the largest-cut diamonds in the world, was mined in India and dates back to at least the 17th century. The Indian government has demanded its return from Britain several times since independence in 1947.…