“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.

Pair your favorite chunky knit sweaters with a sparkling statement piece that'll channel a Marilyn Monroe-esque vibe this ...