In the southwest corner of Arkansas sits a field that defies expectations. The crater of diamonds state park, near the small town of Murfreesboro, is the only site on Earth where the public can search ...

"Great American Diamonds" displays several of the largest and finest diamonds ever discovered in the United States, including the Freedom Diamond (second from left) and the Uncle Sam Diamond (third ...

To mark the 250th anniversary of the United States, we’re cataloging 25 objects that define the country’s history. The United States does not have a rich diamond mining history, but an exhibit at the ...

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The United States does not have a rich diamond mining history. But an exhibit at the Smithsonian Institute proves that some of the world’s most... The story of America's biggest and best homegrown ...