She was named Mihr un-Nisa at birth and was later named Nur Jahan (light of the world) by her husband, the Mughal emperor, Jahangir. She was born only a few decades after Queen Elizabeth I ...

The diamond is set within the coronation crown of Queen Elizabeth, the Queen Mother, and was previously owned by Mughal Emperors, Shahs of Iran, Emirs of Afghanistan, and Sikh Maharajas.

A 17th-century diamond worth up to £21 million is at the centre of a bitter High Court legal battle between two branches of a ...