Arkansas State Parks Trip Ideas Filter Park Crater of Diamonds Region North Central Central Lower Delta Northwest Upper Delta [X] Southwest Park Activity Diamond Digging Backpacking Boating / Marinas Climbing Fishing Geocaching Hang Gliding Hiking Horseback Riding Kayaking / Canoeing Lake Tours Motorcycling Mountain Biking River Running Road Cycling Snorkeling / Scuba Diving Swimming Watchable Wildlife Trail Type Backpacking Barrier Free (ADA) Day Hikes Horseback Riding Kayaking/Water Trails Mountain Biking Wilderness Trail Difficulty Easy Moderate Strenuous Author Meg Matthews [X] Monika Rued Date Published April 2020 March 2020 November 2018 March 2018 November 2017 October 2017 September 2017 [X] June 2017 May 2017 January 2017 [X] December 2016 [X] October 2016 March 2016 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. Green Friday is Time to #OptOutside Dec 2016 ⁄ Monika Rued Nov. 25 is Green Friday, an alternative to the crowds by choosing to #OptOutside and get outdoors. Arkansas State Parks has been offering Green Friday events for over seven years. 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.