From Gwen Stefani's $500,000 sparkler to Mariah Carey's 35-carat emerald-cut diamond, here are the most expensive celebrity engagement rings ever. HOME MAIL NEWS SPORTS FINANCE CELEBRITY STYLE MOVIES ...

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

Celebrities have been known to splurge on expensive engagement rings. In 2016, billionaire James Packer reportedly spent $10 million on a ring for Mariah Carey. Kris Humphries auctioned off the ...