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.

If you want to spend less and get a bigger carat, lab-grown is the way to go. Get one at Gilt for a colossal discount.

Zendaya has ample reason to be hypnotized by her East-West set, emerald-cut engagement ring. A bit of sleuthing revealed it ...

While the Ultrahuman Ring Air Rare models feature the same health-tracking tech, their new precious metal coatings are a bold ...