Crater of Diamonds State Park: Hunting Real Diamonds in Arkansas
- Crater of Diamonds State Park in Arkansas allows the public to search for real diamonds and keep what they find.
- In 2022, a regular park visitor unearthed a 2.38-carat brown diamond using the wet sifting method.
- Since becoming a state park in 1972, visitors have discovered more than 33,100 diamonds in the 37-acre (15-hectare) search field.
- The largest diamond ever found in the US, the 40.23-carat "Uncle Sam," was discovered at this site in 1924.

Crater of Diamonds State Park Attracts Global Gem Hunters
Many people dream of diamonds. A beautiful diamond necklace, earrings, or perhaps a massive engagement ring. However, jewelry featuring this mineral is not only attractive and luxurious but also expensive.
Most people have to work long and hard to save up to fulfill their dream of buying or gifting diamond jewelry. However, in some cases, you can rely on a stroke of luck.
Located in the US state of Arkansas, Crater of Diamonds State Park draws crowds from all over the world every year. After spending a few hours there, visitors can discover diamonds worth several carats, which they can easily take home.
The park's history is full of highly successful cases. The largest diamond ever discovered in the US, later named "Uncle Sam," was found here. In 2022, the largest diamond of the year up to that point, a 2.38-carat brown diamond, was unearthed here [1].
Where Can Diamonds Be Found?
Diamonds are found in kimberlite and lamproite veins (the largest diamond deposits), explosion pipes known as diatremes, high-pressure metamorphic rocks, and alluvial deposits (secondary deposits).
Most diamonds are located in Southern, Central, and Western Africa, Russia, Canada, Brazil, Australia, China, and Finland.
In natural deposits, diamond crystals of 0.1 to 1 carat are most commonly found. The world's largest diamond crystal, the Cullinan at 3,106 carats, was discovered in South Africa in 1905 [3].
A Diamond Paradise in Arkansas
Park visitors search for various rocks, minerals, and gemstones in a 37-acre (15-hectare) field, the eroded surface of a volcanic crater. Any rock or mineral found can be kept: a simple "finders, keepers" rule applies here.
Visitors can bring and use their own mining equipment or rent gear directly at the park. However, battery-operated or motor-driven mining tools are strictly prohibited.
The diamond search begins at the park's visitor center, where guests can learn about diamonds and search methods, and review park rules.
At the visitor center, guests can view real, uncut diamonds and explore exhibits illustrating the area's unique history and geology.
Three colors of diamonds can be found in the Arkansas park: white, brown, and yellow. Amethyst, garnet, jasper, agate, quartz, and other rocks and minerals are also naturally found here.
Park staff identify rocks and minerals found in the park free of charge, and they also host diamond mining demonstrations and other interpretive programs. According to park representatives, visitors find an average of one to two diamonds here every day.
An Incredible 2022 Arkansas Diamond Find
In May 2022, a lucky visitor made a remarkable find at Crater of Diamonds State Park, unearthing a 2.38-carat diamond.
Adam Hardin, who found the diamond, had been visiting the park for over a decade, constantly searching for sparkling treasures. Over the years, he has found more than a hundred diamonds of various sizes and values, but this discovery was his first weighing more than 2 carats [5].
Hardin explained that he used the standard wet sifting method while searching for diamonds. Using this technique, visitors dig up dirt and then use a screen set to sift the material in a tub of water. After sifting away the heavier gravel, a diamond can sometimes be found sitting on top of the pile.
Since 1972, when the crater became an Arkansas state park, visitors have found more than 33,100 diamonds.
The most famous diamond found in the crater is the 40.23-carat "Uncle Sam," discovered back in 1924. It remains the largest diamond ever found in the US and was named "Uncle Sam" after the nickname of its finder, Wesley Oley Basham, an employee of the Arkansas Diamond Corporation.
The Enduring Appeal of Diamonds
Even as fashions change, the demand for and appeal of diamonds remain strong. This can be partly explained by tradition: around the 1950s in America [2], it became a widespread custom in well-established families to gift women diamond jewelry on important occasions.
The influence of the media and Hollywood is also significant. In a society that invests heavily in emulating film stars and models, following trends is especially important.
Hollywood stars, whose appearances dictate many fashion choices, adorn themselves with beautiful diamond jewelry, encouraging their admiring fans to adopt similar styles.
Celebrities may choose diamonds not only for a luxurious image but also for marketing purposes: diamonds are believed to have the power to create an unforgettable impression.
Some even suggest that diamonds absorb the traits of their previous owners, making the acquisition of a diamond bracelet once worn by a famous star a true dream for many.
Furthermore, diamonds inherited from a cherished family member who has passed away are thought to carry some of that loved one's qualities, bringing them closer when the item is worn.
Frequently asked questions
Can you keep the diamonds you find at Crater of Diamonds State Park?
Yes, the park operates on a strict "finders, keepers" policy, meaning any rocks, minerals, or diamonds you find are yours to keep.
What equipment do I need to search for diamonds?
Visitors can bring their own manual mining equipment or rent gear at the park. Battery-operated and motor-driven tools are not allowed.
How many diamonds are found at the park each day?
On average, visitors find one to two diamonds every day in the park's 37-acre (15-hectare) search area.
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