2.38-carat diamond found at Crater of Diamonds State Park

MURFREESBORO, Ark. — A regular visitor found a 2.38-carat brown diamond on April 10 at Arkansas’s Crater of Diamonds State Park. It is the largest diamond found at the park this year.

After more than a decade of searching and hundreds of diamond finds at the park, Adam Hardin found his first diamond weighing more than two carats. Hardin was wet-sifting soil from the East Drain of the park’s 37.5-acre search area when he found the gem.  

“It was right in the middle when I flipped my screen over,” Hardin said. “When I saw it, I said, ‘Wow, that’s a big diamond!’” 

Park Interpreter Waymon Cox said many visitors wet sift using a screen set to wash away soil and separate the gravel by size. Smaller gravel is then sorted by weight, sending heavier material to the bottom of the screen.

“When it’s flipped upside-down, the heavier gravel—and sometimes a diamond—can be found on top of the pile,” Cox said.

Hardin carried his gem in a pill bottle to the park’s Diamond Discovery Center, where staff registered it as a 2.38-carat brown diamond. 

“Mr. Hardin’s diamond is about the size of a pinto bean, with a coffee brown color and a rounded shape,” Cox said. “It has a metallic shine typical of all diamonds found at the park, with a few inclusions and crevices running all along the surface.”

Photos courtesy Arkansas State Parks

Hardin, who first learned of Crater of Diamonds State Park more than a decade ago, said competition builds camaraderie among the park’s regular visitors.  

“One of the other guys and I have been going back and forth, seeing who can find the biggest diamond,” Hardin said. “I found a big one, then he got a 1.79-carat, and we were joking about who would find the next big diamond and be ‘king of the mountain.’ As soon as I found this one, I had a feeling I had him beat. Now he’s trying to find a bigger one, but I’m planning on staying on top!” 

Hardin’s diamond is the largest found at the park since last September, when a visitor from Granite Bay, Calif., discovered a 4.38-carat yellow gem on the surface of the diamond search area. Hardin’s is the largest brown diamond since the 9.07-carat Kinard Friendship Diamond was discovered on Labor Day 2020. 

Finders of large Crater diamonds often choose to name their gems. Hardin named his diamond Frankenstone.  

“I thought of the name because it has a pretty and kind of not-so-pretty look to it,” Hardin explained. “Us diamond miners call that ‘character!'”  

Hardin typically sells his diamonds locally and said he also plans to sell this one.

Photos courtesy Arkansas State Parks

As of this publication, 260 diamonds have been registered at Crater of Diamonds State Park in 2022, weighing a total of more than 44 carats. An average of one to two diamonds are found by park visitors each day. 

Quick Facts about Crater of Diamonds State Park

Diamonds come in all colors of the rainbow. The three most common colors found at Crater of Diamonds State Park are white, brown, and yellow, in that order.

In total, over 75,000 diamonds have been unearthed at the Crater of Diamonds since the first diamonds were discovered in 1906 by John Huddleston, a farmer who owned the land long before it became an Arkansas State Park in 1972.

The largest diamond ever discovered in the United States was unearthed here in 1924 during an early mining operation. Named the Uncle Sam, this white diamond with a pink cast weighed 40.23 carats. It was later cut into a 12.42-carat emerald shape and purchased by a private collector for $150,000 in 1971.

Another well-known diamond from the park is the Strawn-Wagner. Found in 1990 by Murfreesboro resident Shirley Strawn, this 3.03-carat white gem was cut into a round brilliant shape weighing 1.09 carats. It graded as ideal cut, D-colorless, and flawless and was set in a platinum and 24-carat gold ring. In 1998 the State of Arkansas purchased this diamond for $34,700 in donations and placed it on permanent display at the park visitor center.

On Labor Day 2020, Kevin Kinard, of Maumelle, Ark., found a large, brown gem weighing 9.07 carats. It is the second-largest diamond found at Crater of Diamonds State Park.

Crater of Diamonds State Park is located on Arkansas Highway 301 in Murfreesboro. It is one of 52 state parks administered by Arkansas State Parks, a division of the Arkansas Department of Parks, Heritage, and Tourism.

About Arkansas Department of Parks, Heritage and Tourism

The Arkansas Department of Parks, Heritage and Tourism has three major divisions: Arkansas State Parks, Arkansas Heritage and Arkansas Tourism. Arkansas State Parks manages 52 state parks and promotes Arkansas as a tourist destination for people around the country. Arkansas Heritage preserves and promotes Arkansas’s natural and cultural history and heritage through four historic museums and four cultural preservation agencies. Arkansas Tourism improves the state’s economy by generating travel and enhancing the image of the state.

About Arkansas State Parks

Arkansas State Parks is a division of the Arkansas Department of Parks, Heritage, and Tourism. Arkansas state parks and museums cover 54,400 acres of forest, wetlands, fish and wildlife habitat, outdoor recreation facilities, and unique historic and cultural resources. Established in 1923, Arkansas State Parks preserve special places for future generations, provide quality recreation and education opportunities, enhance the state’s economy through tourism, and provide leadership in resource conservation. Arkansas State Parks serves more than 9 million visitors annually. Connect with ASP on Facebook, Instagram, Twitter, and visit ArkansasStateParks.com and ArkansasStateParks.com/media to learn more.

Press Release – Arkansas State Parks



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