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

Jennifer Lopez will keep the 8.5-carat green diamond engagement ring from Ben Affleck, following their recent divorce ...

Nina Dobrev’s 5ct oval diamond is set on a classic yellow-gold band, combining simplicity and modern elegance. This design ...