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

Congrats on your engagement! But is that a "real" diamond? Why it matters: Lab-grown diamonds have radically transformed the jewelry market over the last decade. Though they are just as real as mined ...

Thanks to Zendaya, the untraditional diamond setting—almost impossible to find until about five years ago—is having its time ...

Before you reach for your credit card, make sure you're aware of all the ways you can save on diamond jewelry purchases.