Boy Scout , 12 , finds 5.16 carat at Arkansas state park . `` In fact , Michael 's dad was renting mining equipment to begin his own diamond search when Michael showed the gem to him at the park 's Diamond Discovery Center ! '' Arkansas 's Crater of Diamond State Park is only diamond-producing site in the world open to the public . Comment:
Boy Scout , 12 , finds 5.16 carat at Arkansas state park . Arkansas 's Crater of Diamond State Park is only diamond-producing site in the world open to the public . Comment: