On Wednesday, park visitor Bobbie Oskarson, of Longmont, Colorado, found an icicle-shaped 8.25 carat diamond while digging in an area called the Pig Pen, known for is muddy landscape after a rainstorm.
Park officials say it's the fifth largest diamond found by a visitor since the park was established in 1972.
The rough diamond is about half the size of a quarter.
Oskarson named her find the Esperanza Diamond, after her niece, and plans to keep the gem.
Read more: http://www.cnn.com/2015/06/27/us/8-52-carat-diamond-arkansas/index.html?sr=fb062715852caratdiamondarkansas5pStoryLink