The park says two diamonds a day are found on average . Boy Scout , this year , finds 11 carat at Arkansas state park . Arkansas 's Murfreesboro is only diamond-producing site in the world open to the public . New gem is the 328th diamond found by a park visitor 12 .
Boy Scout , this year , finds 11 carat at Arkansas state park . Arkansas 's Murfreesboro is only diamond-producing site in the world open to the public . New gem is the 328th diamond found by a park visitor 12 .