Are Arkansas Diamonds Valuable? Unveiling the Truth about Crater of Diamonds State Park Gems

Arkansas diamonds, found primarily in the Crater of Diamonds State Park, have garnered interest from gem enthusiasts and casual visitors alike.

The park, located in Murfreesboro, Arkansas, offers a unique opportunity for visitors to search for these precious stones and potentially uncover valuable finds.

While diamonds in this region may not be as renowned as those from other global sources, their rarity and unique formation history add to their value and allure.

The diamonds found in Arkansas exhibit a range of types and colors, including white, brown, and yellow.

Their quality and value can vary significantly based on factors such as carat weight, color, clarity, and cut.

Some notable finds, like the million-dollar Crater of Diamonds State Park diamond, demonstrate the potential worth of these stones.

Meanwhile, responsible mining practices in the state create an environmentally conscious approach to diamond extraction, further enhancing their appeal.

Key Takeaways

  • Arkansas diamonds are found primarily at Crater of Diamonds State Park and vary in types, colors, and value.
  • Some notable finds, like a million-dollar diamond, highlight the potential worth of these stones.
  • Responsible mining practices in the area contribute to their appeal as a sustainable gemstone option.

History of Arkansas Diamonds

John Huddleston’s Discovery in 1906

In 1906, a farmer named John Huddleston made a groundbreaking discovery on his property in Arkansas.

He found two gem-quality diamonds, marking the first time diamonds were found in North America outside of a kimberlite deposit.

The area where John Huddleston discovered these diamonds eventually became known as the Crater of Diamonds.

Huddleston’s unexpected discovery attracted investors and mining companies to the area, and during the early 20th century, various mining operations tried to extract diamonds and other minerals from the site.

While they were successful in unearthing more diamonds, the operations faced numerous challenges, including financial difficulties and legal disputes.

Crater of Diamonds State Park

Due to its unique geological significance and rich history, the location of Huddleston’s diamond discovery was transformed into the Crater of Diamonds State Park in 1972.

The park allows visitors to explore the area and search for diamonds themselves.

It boasts a reputation for being the only diamond-producing site in the United States open to the public.

Over the years, thousands of diamonds have been found at the park, with some particularly notable discoveries.

One of the most famous finds is the Amarillo Starlight Diamond, a 16.37-carat white gem discovered in 1975 by W.W. Johnson from Amarillo, Texas.

The diamond was cut into a 7.54-carat marquise shape, further increasing its value.

Arkansas diamonds hold an intrinsic value beyond the mere monetary worth of the gems. The history and legacy left by John Huddleston’s 1906 discovery continue to captivate visitors to Crater of Diamonds State Park, making these precious stones exceptionally valuable in a cultural and historical context.

Diamond Formation in Arkansas

Volcanic Pipe and Lamproite

In Arkansas, diamonds are primarily found at the Crater of Diamonds State Park. The diamonds here are formed within a unique geological structure known as a volcanic pipe.

This pipe consists of a deep and narrow opening in the earth’s crust, allowing magma to flow up from the mantle.

The volcanic pipe found in this region is composed of a rare rock type called lamproite, which is essential for the formation of diamonds.

Lamproite is a peculiar igneous rock that contains high levels of magnesium and potassium, making it a suitable environment for diamond formation.

Magma and Mantle Processes

The formation of diamonds in Arkansas started more than three billion years ago, as a result of carbon being subjected to extreme heat and pressure within the Earth’s mantle.

During this time, the carbon crystallized into a stable form, resulting in the creation of diamond crystals.

These diamonds, along with other mantle materials, were transported upwards through the volcanic pipe and eventually erupted onto the Earth’s surface as magma.

As this magma cooled and solidified, the contained diamonds were left behind, embedded in the surrounding lamproite deposits.

The geology of the Crater of Diamonds State Park has proven to be a rich source of diamonds. Tourists and visitors have managed to discover over 1,000 precious stones in the park over the years.

While not all Arkansas diamonds are of exceptional monetary value due to their small size or relatively low quality, some notable gems have been found in the region, such as the impressive 40.23 carat Uncle Sam Diamond.

Regardless of their market value, Arkansas diamonds hold significant geological and historical importance, forming a unique part of the state’s cultural heritage.

Types and Colors of Arkansas Diamonds

Arkansas is known for its unique diamond deposits, found primarily in the Crater of Diamonds State Park. These gemstones come in a range of colors, adding to their allure and value. This section will discuss four common colors of Arkansas diamonds: white, brown, pink, and yellow.

White Diamonds

White diamonds are the most familiar and highly sought-after type of diamond. In Arkansas, these stones typically display a sparkling translucent appearance and are valued for their traditional appeal. White Arkansas diamonds have occasionally been found at the Crater of Diamonds State Park, with a notable example being a 1.16 ct type IIa diamond discovered in 2020.

Brown Diamonds

Brown diamonds, sometimes referred to as “chocolate” diamonds, are another color variation that can be found in Arkansas. These diamonds possess a warm, earthy hue which has gained popularity in recent years. The color in brown diamonds is caused by internal graining within the crystal structure. While not as commonly known as white diamonds, brown diamonds from Arkansas can still be considered valuable depending on their size and quality.

Pink Diamonds

Arkansas pink diamonds are extremely rare and highly valued for their romantic and striking appearance. The pink color is caused by the distortion of the diamond’s crystal lattice, which affects how light is absorbed and reflected within the stone. Finding a pink diamond in Arkansas is an extraordinary occurrence, making them highly prized by collectors and enthusiasts alike.

Yellow Diamonds

Yellow diamonds, or “canary” diamonds, are another uncommon color variety found in Arkansas. The yellow hue is caused by the presence of nitrogen within the diamond’s crystal lattice. These vibrant stones are sought after for their distinctive appearance and rarity. Although not as rare as pink diamonds, yellow diamonds from Arkansas are still considered valuable and are a testament to the state’s diverse diamond resources.

Arkansas Diamond Value and Quality

Carat Weight and Size

Arkansas diamonds, found in the Crater of Diamonds State Park, hold value depending on their size, quality, and color. The carat weight of a diamond is a significant factor in determining its worth. Arkansas diamonds have been discovered in various sizes, with the largest being the Uncle Sam Diamond, weighing in at 40.23 carats. Diamonds are priced per carat, so larger stones may fetch a higher price.


Arkansas diamonds can be found in different colors, including white, brown, and yellow. The value of a diamond typically increases with decreasing color or increasing transparency. Colorless diamonds are considered the most valuable and are rarer to find. Although most diamonds discovered in the area are not colorless, some high-quality colorless specimens have been found, increasing the overall value of Arkansas diamonds.


Clarity refers to the presence of internal and external imperfections, also known as inclusions and blemishes. Flawless diamonds are exceedingly rare, and Arkansas diamonds are no exception. However, some relatively clean diamonds have been discovered in the state, such as the Strawn-Wagner Diamond, which was graded as “perfect” by the American Gem Society. Higher clarity grades generally result in higher valuations for diamonds.


The cut of a diamond affects its appearance, brilliance, and overall desirability. While the rough diamonds extracted from the Arkansas soil may not initially showcase their full potential, skilled artisans can cut and polish them to optimize their value. A well-cut Arkansas diamond will have better proportions, symmetry, and polish, which will directly impact its final price in the market.

Diamond Mining in Crater of Diamonds State Park

Searching and Mining Methods

Crater of Diamonds State Park is a unique Arkansas state park that allows visitors to search for and keep any diamonds they find in the park’s 37.5-acre plowed field. The park operates under a “finders keepers” policy, which encourages visitors to try their hand at diamond prospecting.

There are different methods visitors use to search for diamonds at the park. One popular method involves surface searching, where visitors walk around the field, looking for any diamonds that may be lying on the ground. Water is another crucial element in the searching process, as many visitors use screens and sieves to wash and filter soil through the water, separating heavier materials like diamonds from lighter substances.

For those interested in a more hands-on experience, park interpreters are available to assist and educate visitors about the geological characteristics of the area, proper searching techniques, and tips for identifying potential valuable finds.

Notable Diamond Finds

Over the years, Crater of Diamonds State Park has witnessed several significant diamond discoveries. One notable find is the Uncle Sam diamond, which, at 40.23 carats, remains the largest diamond ever discovered in the United States. The park has also seen other impressive diamond finds, including a 13.75-carat, 7.44-carat, and a 4.25-carat gemstone – all found by visitors utilizing the park’s “finders keepers” policy.

Overall, visiting Crater of Diamonds State Park offers a one-of-a-kind experience for those interested in searching for valuable gemstones. With numerous notable diamond finds and the possibility of discovering the next big treasure, the park continues to attract visitors looking to try their hand at diamond mining.

Economic and Environmental Impact

Tourism and Arkansas State Parks

The diamond mines in Arkansas, specifically in Murfreesboro, have attracted a significant number of tourists, providing a positive impact on the local economy. Arkansas state parks, such as the Crater of Diamonds State Park, are popular destinations for people who wish to try their luck at finding these coveted gemstones. The park charges a nominal entrance fee, which in turn supports the maintenance and development of the park and surrounding areas.

Additionally, tourism related to diamond mining contributes to other local businesses such as hotels, restaurants, and retail establishments. As visitors come from all over the United States and even international locations, the demand for accommodations, dining, and other services increases, benefiting the local economy, and providing jobs for local residents.

Comparison with Global Diamond Mining

While the diamond mines in Arkansas are an important source of revenue for the state, it is important to keep in mind that this mining activity also comes with certain environmental costs. Comparing the mining operations in Arkansas with those in Africa, Canada, and South Africa, some key differences and similarities can be observed.

Arkansas diamonds are generally found through surface mining, which is less invasive and destructive as compared to open-pit mining or underground mining techniques commonly seen in other regions. However, as with any mining activity, the extraction process in Arkansas can still have negative effects on the environment, including depletion of soil quality, pollution of waterways, and disturbance to local ecosystems.

In global diamond mining, particularly in Africa and South Africa, the environmental consequences are often more significant due to the scale of operations, and in some cases, the lack of stringent regulations. Large-scale mining may lead to habitat destruction, deforestation, and irreversible damage to the environment. Additionally, the socio-economic implications in these regions may be more complex, with issues such as conflict diamonds and exploitative labor practices.

On the other hand, diamond mining in Canada typically adheres to stricter environmental guidelines, with mines often required to engage in reclamation and rehabilitation efforts. This helps mitigate some of the negative effects on the environment and ecosystems.

In conclusion, the Arkansas diamond mines have a notable economic impact through tourism and local revenue generation. Environmentally, the mining operations need to continually manage and mitigate potential consequences to ensure long-term sustainability. Comparatively, the mining conditions in different parts of the world come with their own set of economic, social, and environmental implications.

Alternative Minerals and Gemstones in Arkansas

Arkansas is known for its diamonds, but it is also home to a variety of other valuable minerals and gemstones, including quartz, agate, jasper, amethyst, opal, and turquoise. In this section, we explore these alternative gemstones and their significance in Arkansas.


Arkansas is famous for its quartz deposits, which are of high quality and can be found in large quantities. Quartz crystals are primarily found in the Ouachita Mountains and are admired for their beauty and clarity. They are often used in jewelry, electronics, and as ornamental pieces. Arkansas quartz crystals are sought-after by collectors, making them a valuable gemstone in the state.

Agate and Jasper

Agate and jasper are two more common minerals found in Arkansas. Both minerals are forms of chalcedony, which is a microcrystalline variety of quartz. Agate is known for its characteristic banded patterns and variety of colors, while jasper is a more opaque, impure form of chalcedony that often displays interesting patterns and colors.

In Arkansas, both agate and jasper can be found, primarily in the Ozark Plateaus and Ouachita Mountains. They are popular for use in jewelry and lapidary arts, making them valuable gemstones for collectors and enthusiasts.


Amethyst, a variety of quartz known for its purple color, can also be found in Arkansas. Although amethyst deposits are not as abundant as quartz, it is still considered a valuable gemstone due to its beauty and rarity. Amethyst is especially popular for use in jewelry, and its vibrant color makes it a sought-after collectible item.


Opal is another gemstone found in Arkansas, although it is relatively uncommon. Opal has a unique play of colors, which is known as “fire” or “opalescence.” This makes it an attractive option for use in jewelry. Despite being less common in Arkansas than some of the other gemstones discussed, opal remains a sought-after gemstone for collectors and jewelers.


Turquoise is another gemstone that can be found in Arkansas, and it is known for its characteristic blue-green color. While the deposits of turquoise in Arkansas are not as abundant as those in other states like Arizona and Nevada, it remains a valuable gemstone due to its beauty and rarity. Turquoise is often used in Native American jewelry and considered a symbol of good fortune.

Frequently Asked Questions

What’s the value of diamonds found in Arkansas?

The value of diamonds found in Arkansas is not easily determined, as the majority of them are relatively small and of low quality. However, their rarity still makes them valuable to some extent. The value of a diamond depends on factors such as size, quality, and demand in the gemstone market. Jewelry Facts explains that the value of Arkansas diamonds can be both high and low, depending on these factors.

How do Arkansas diamond prices compare?

Arkansas diamond prices can vary greatly depending on their individual characteristics, such as size, color, and clarity. Naturally Colored provides a general range for diamond prices, with 1-carat diamonds ranging from $1,900 to $16,000 and 2-carat diamonds ranging from $8,000 to $84,000. Arkansas diamonds, given their smaller size and lower quality, may be priced lower than some other types of diamonds.

Where to sell Arkansas diamonds?

Arkansas diamonds can be sold to jewelers, gemstone dealers, or at various online marketplaces. Before selling, it’s important to have the diamond appraised by a professional to determine its true market value, as employees at Crater of Diamonds State Park are not trained to grade or appraise diamonds, according to Arkansas State Parks.

Factors determining diamond value?

The value of a diamond is determined by its size, color, clarity, and cut, commonly referred to as the 4 Cs. The demand and supply in the market also impact diamond values. Other factors, such as the presence of fluorescence, can also influence a diamond’s value.

Any famous diamonds from Arkansas?

Yes, some famous diamonds come from Arkansas, mainly found in the Crater of Diamonds State Park. One notable diamond is the “Uncle Sam” diamond, which is the largest diamond ever discovered in the United States at 40.23 carats. Another notable find is the “Esperanza” diamond, a unique teardrop shape that was discovered in 2015 in the park and displayed in multiple museums before being sold.

Quality of Arkansas diamonds?

The majority of Arkansas diamonds are relatively small and of low quality compared to diamonds found in other parts of the world. However, it’s important to note that diamonds from Arkansas can still possess a unique and attractive quality, making them desirable to collectors and enthusiasts.

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