Arkansas man finds 4.87-carat diamond in Crater of Diamonds State Park ... The largest diamond ever discovered in the United ...

David DeCook, a regular visitor to Arkansas’ Crater of Diamonds State Park from Stewartville, MN, recently spotted a ...

Could Wyoming be the next diamond mining hotspot? Discover the state's hidden potential and geological features that may ...

(Photos courtesy Arkansas Crater of Diamonds State Park ... in the United States was unearthed in 1924 during an early mining operation on the land that later became Crater of Diamonds State ...