Her engagement ring, a jaw-dropping 10.48-carat emerald ... The ring, designed by Cartier, was reportedly made using family heirlooms and was intended to represent the colors of Monaco’s flag ...

The first of Grace's two engagement rings was a Cartier eternity band encrusted with rubies and diamonds - a nod to Monaco's national colours. The 26-year-old added: 'I just can't believe it.

From Gwen Stefani's $500,000 sparkler to Mariah Carey's 35-carat emerald-cut diamond, here are the most expensive celebrity ...

PRINCESS Kate celebrated her 43rd birthday this week, and a royal expert predicted that Prince William may treat his wife to ...

The trend for switching to a bigger rock after years of marriage is not just for the A-list Zendaya showed off her new ...