If you bought a diamond this year, there's a roughly 50% chance it was manufactured in a laboratory ... The average size for natural diamond engagement rings was 1.4 carats last month, Golan ...

While some people argue that lab-grown diamonds are different from their mined counterparts, others see them as a more practical choice. What's the difference? Bigger rings, small ...

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.

While their marriages don't always last, these celebrity engagement rings prove that at least a diamond is forever.