Arkansas State Parks Trip Ideas Filter Park Crater of Diamonds Devil's Den Region Southwest Northwest Park Activity Watchable Wildlife [X] Diamond Digging [X] Hiking Trail Type Trail Difficulty Author Arkansas State Parks Staff Waymon Cox Don Simons [X] Monika Rued Date Published November 2020 November 2018 [X] September 2018 [X] June 2017 May 2017 January 2017 December 2016 [X] October 2016 Devil's Den State Park Visitor Gallery Sep 2018 ⁄ Monika Rued We love singing the praises of Devil's Den State Park but don't just take our word for it. Check out our visitor gallery and tag Devil's Den State Park or use #ARstateparks to share your pics and videos. Crater Diamond Find: 2.78-Carat Way Out Yonder Diamond Jun 2017 ⁄ Monika Rued A couple spotted a large brown gem at Crater Diamonds State Park that turned out to be a 2.78-carat diamond. 2.65-Carat Diamond Found at Crater of Diamonds State Park Jun 2017 ⁄ Monika Rued A 25 year old woman thought she had only picked up a piece of glass at Crater of Diamonds State park, but in reality, she found out she had discovered a 2.65-carat brown diamond. Visitor Finds 2.03-Carat Diamond at Crater of Diamonds State Park Oct 2016 ⁄ Monika Rued It took less than an hour for a family to discover a 2.03-carat white diamond on the side of a plowed furrow at Arkansas’s Crater of Diamonds State Park.