Arkansas State Parks Trip Ideas Filter Park Crater of Diamonds Region Southwest Park Activity Watchable Wildlife Hiking Climbing [X] Diamond Digging Trail Type Trail Difficulty Author Monika Rued Waymon Cox Date Published October 2020 September 2020 August 2020 July 2020 June 2020 May 2020 February 2020 December 2019 November 2019 October 2019 August 2019 July 2019 June 2019 May 2019 April 2019 February 2019 December 2018 November 2018 [X] September 2017 [X] June 2017 May 2017 December 2016 October 2016 September 2016 June 2016 [X] March 2016 Surprising Uses for Minerals Found at the Crater of Diamonds Sep 2017 ⁄ Waymon Cox Dozens of minerals can be found at Crater of Diamonds State Park, including calcite, mica, and barite. Each one can be used in different ways to make our lives easier. 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. Crater of Diamonds State Park: A wonderful and crazy place Mar 2016 ⁄ Waymon Cox The main thing that makes Crater of Diamonds State Park so unique is that our visitors are allowed to hunt for diamonds, and then are allowed to keep them.