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?

From sparkling multi-million-dollar diamonds to custom designs, here are the most expensive diamond rings in the world that ...

she wore a cushion-cut yellow diamond ring, this time set in a platinum pavé band. For her engagement to Christian Carino, Mother Monster was gifted an oval-cut pink stone (believed to be a pink ...

Lopez’s newest ring boasts a price of around $5 million ... time with a 6-carat radiant-cut pink diamond ring from Harry ...