A visitor to Crater of Diamonds State Park in Arkansas found a 3.72-carat yellow diamond, the largest diamond found at the park in over two years. Miranda Hollingshead, 27, of Bogata, Texas, said she was sitting at the base of a hill on the northeast side of the park and watching a YouTube video on her phone about how to find diamonds when she looked down and spotted the gem. "I shook my hand across it to make sure what it was, picked it up, and yelled across the field to my mom, 'I think I got one!'" Hollingshead said. The family headed to the park's Diamond Discovery Center, where officials confirmed it was a ... (full story)