NYC Mayor Zohran Mamdani with King Charles; the Kohinoor diamond in the British Crown (AP/Historic Royal Palaces) New York City Mayor Zohran Mamdani on Wednesday said he would urge Britain’s King Charles to return the Koh-i-Noor diamond to India, making the remarks during the monarch’s ongoing visit to the United States. “If I were to speak to the king separately from that [the event King Charles was attending], I would probably encourage him to return the Koh-i-Noor Diamond,” Mamdani said at a press conference held hours before a ceremony marking the victims of the September 11, 2001, attacks. The remark is particularly significant given Mamdani’s Indian origin (his mother is Indian filmmaker Mira Nair) and his platform as the leader of one of the world’s most prominent cities. The King and Queen Camilla are currently in the United States on a four-day visit, partly to commemorate the 25th anniversary of the September 11 attacks.…