"People don't want a ring that everyone else has. They want their ring to be one of a kind," an expert told Newsweek.

Ora didn't unveil her square-cut, 10-carat Colombian green emerald ring until ... a diamond halo and a yellow gold band. Deschanel had the perfect pink manicure for her engagement to Jonathan ...

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

Celebrity engagement rings continue to fascinate fans by the sheer size and cost of these tokens of love. But who's worn the most expensive?