Surprise proposals are always magical (hi, Benny Blanco & Selena Gomez!), but we've gotten picky about which engagement rings ...

Neither Princess Diana or Meghan Markle own the the most expensive royal engagement ring. Someone outside the House of Windsor does.

E! News reported, per Forbes, at the time that Duff's 14-carat, princess-cut ring cost $1 million. The couple kept their engagement short, marrying in August of that year. They later welcomed ...