“I don’t believe an engagement ring has to be a diamond. Anything you find beautiful—a perfect single pearl, so chic—is right ...

Below, we’ve broken down some of the best places to purchase star-worthy engagement rings online — from Blue Nile ‘s bestsellers to Catbird ‘s delicate designs.

In fact, until this past weekend, Kate hadn't worn her engagement ring in any public appearance—or any images or videos ...

We rounded up the most drool-worthy necklaces, earrings, rings and bracelets from celebrity-owned and Hollywood-loved labels.