No sophisticated tools or techniques are required; the two biggest finds so far this year were made by kids.

To find out more about about this unusual state park, we spoke with Waymon Cox, an interpreter at Crater of Diamonds since 2004.

It was on October 19. A girl from Oklahoma City and her family were out about two hours, digging and sifting with screens and buckets and shovels. They weren't having any luck, so she decided to just start "surface searching," looking on top of the ground. She saw what she thought was a candy wrapper, until she touched it. It turned out to be a 3.85-carat yellow diamond.

Yep, that's how it works here: finders keepers. You just have to pay