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.

Plum Diamonds Plum Diamonds is a fantastic place to get affordable, lab-grown diamond engagement rings. But if you're not getting engaged anytime soon, you can still find tons of great pieces like ...

After careful consideration, we rounded up the best places to buy engagement rings: Our top pick overall is Blue Nile, which pairs an impressive diamond selection with first-rate customer service.