What is the only US state to have a field where real diamonds can be found?

Question

When I was growing up there a number of years ago, the state boasted to be not only the rice capitol of the world, but also the duck capitol of the world. Prideful folks to be sure.

Answer 1

well there is Crater of Diamonds state park in Arkansas...so I say Arkansas

Answer 2

California - Beverly Hills

Answer 3

arkansas

Answer 4

Alabama