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

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.

Forbes Vetted deputy editor and gem expert Kari Molvar rounded up the nine best places to buy engagement rings, with options ...

Celebrity engagement rings belong in their own independent category of drool-worthy jewellery. Usually very big, very sparkly and *very* expensive, that's not the only reason they're a hot topic ...