Featuring a five-carat emerald diamond surrounded by three ... Coming in with the third-most expensive royal ring is the ...

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

Mariah Carey and billionaire James Packer broke the record for most expensive celebrity engagement ring in 2016 with a whopping 35-carat, emerald-cut diamond.

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?