A rare square 37-carat emerald owned by the Aga Khan fetched nearly nine million dollars at auction in Geneva on Tuesday, ...

The Aga Khan emerald has sold for $AU13.4 million at an auction in Geneva. The 37-carat gem was a gift from the Aga Khan Prince to his wife, Nina Dyer, in 1960, just ...

Prince Karim Al-Hussaini became the Aga Khan IV and 49th hereditary iman in his family's 1,300-year-old dynasty when he was a 20-year-old student at Harvard. His grandfather, the Aga Khan III ...