NYC Mayor Zohran Mamdani Calls on King Charles to Return Koh-i-Noor Diamond During NYC Visit

The third day of King Charles III’s state visit to New York was marked by an unexpected diplomatic spark on April 29, 2026, when NYC Mayor Zohran Mamdani publicly called for the return of the Koh-i-Noor diamond. Speaking before a meeting with the King and Queen Camilla at the 9/11 Memorial, Mamdani expressed that he would encourage the monarch to return the 106-carat stone to the Indian subcontinent. While the mayor noted that his primary focus was honoring those killed in the terror attacks, he did not shy away from the contentious history of the gem, which was taken by the British Empire in the mid-1800s.

The Koh-i-Noor, currently a star attraction among the Crown Jewels in the Tower of London, has a history steeped in both myth and colonial conflict. It passed through the hands of Mughal emperors and Sikh maharajas before being ceded to Queen Victoria in 1849 as part of a peace treaty with the Kingdom of Punjab. India has consistently sought the return of the diamond, arguing it is a vital piece of its cultural heritage. Mamdani’s comments, though described as a "small suggestion," have amplified the ongoing global discourse regarding the restitution of colonial-era artifacts and how modern monarchs should address the legacies of empire.

The reaction to Mamdani's statement highlights the deep divide over colonial history. While supporters of the mayor's stance see it as a necessary step toward justice and decolonization, critics have been swift to condemn the remarks. A politician from the UK’s Reform party labeled the comments an "insult to our King," showcasing the domestic sensitivity within Britain regarding the royal collection. This incident puts King Charles in a difficult position; while he was seen laughing and having a brief conversation with Mamdani after their handshake, the official stance of the British government remains that the diamond was acquired legally through a treaty.

This debate is not just between India and the UK, as countries like Pakistan, Afghanistan, and Iran have also laid claim to the gem at various points in history. Mamdani’s intervention as a prominent American politician adds a new international dimension to the controversy, suggesting that the issue of colonial restitution is no longer a bilateral matter but a global standard for ethical heritage management. As King Charles continues his state visits, the shadow of the Koh-i-Noor and other "contested" items like the Elgin Marbles will likely continue to follow the monarchy, forcing a reckoning with a past that many countries are no longer willing to leave in the history books.