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

First came the speculation: a diamond ring was spotted on the significant finger of Zendaya’s left hand in pictures from the ...

Designed by Jean Dousset, the piece of jewelry features a lab-grown, emerald-cut stone that's crystal clear. It sits atop a thin, diamond-encrusted band. Nina Dobrev accepted a large, pear-shaped ...