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

The singer and actress made it clear that the ring was a gift and that she doesn't have any intention of returning it.

Jennifer Lopez keeps her stunning $5 million engagement ring! The 8.5 carat green diamond is now hers, symbolizing a once ...