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16-Inch Gemstones

The 16-inch strand is the industry standard—and no one stocks more of them than Dakota Stones. Browse more than 200 stone types across every color and pattern, from everyday staples like Amethyst and Jasper to collector favorites such as Red Garnet and rare Turquoise mine-runs. Because the strands measure a full 15 – 16 inches, you get enough beads for matching earring pairs, stretch bracelets, or a necklace focal and still have extras for accents.
Need to drill down fast? Use the filter bar to sort by Stone Type when you know the gem you want, or by Color when you’re building a palette first. Shapes range from classic rounds and rondelles to cubes, heishi, chips, and rare designer cuts—each strand calibrated for even sizing and smooth stringing.
Whether you’re a hobbyist replenishing a bead board or a pro assembling a full production run, this category is the workhorse of our catalog: reliable lengths, vast variety, and new additions arriving every month. Dive in, filter your way to the perfect strand, and keep your design queue flowing with Dakota Stones’ biggest collection.

Citrine 8mm Round AAA Grade - 15-16 Inch

Original price $45.00 - Original price $45.00
Original price $45.00
$45.00 - $45.00
Current price $45.00
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Citrine is a transparent Quartz, ranging in color from pale yellow to golden yellow, honey or brown, giving it a similar appearance to Topaz. It ma...

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Original price $45.00 - Original price $45.00
Original price $45.00
$45.00 - $45.00
Current price $45.00
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Citrine 10mm Round AAA Grade - 15-16 Inch

Original price $58.00 - Original price $58.00
Original price $58.00
$58.00 - $58.00
Current price $58.00
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Citrine is a transparent Quartz, ranging in color from pale yellow to golden yellow, honey or brown, giving it a similar appearance to Topaz. It ma...

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Original price $58.00 - Original price $58.00
Original price $58.00
$58.00 - $58.00
Current price $58.00
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Cat's Eye 6mm Round A Grade - 15-16 Inch

Original price $49.00 - Original price $49.00
Original price $49.00
$49.00 - $49.00
Current price $49.00
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Cat’s Eye is a quartz stone that appears in a range of colors including white, gray, green, yellow and brown. The fibrous asbestos inclusions in th...

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Original price $49.00 - Original price $49.00
Original price $49.00
$49.00 - $49.00
Current price $49.00
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Cacoxenite 4mm Round - 15-16 Inch

Original price $18.00 - Original price $18.00
Original price $18.00
$18.00 - $18.00
Current price $18.00
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Cacoxenite is the trade name for this naturally occurring blend of seven stone types. It was originally named for the visible inclusions of the min...

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Original price $18.00 - Original price $18.00
Original price $18.00
$18.00 - $18.00
Current price $18.00
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Blue White Porcelain Agate 8mm Round - 15-16 Inch

Original price $11.00 - Original price $11.00
Original price $11.00
$11.00 - $11.00
Current price $11.00
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Original price $11.00 - Original price $11.00
Original price $11.00
$11.00 - $11.00
Current price $11.00
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Blue White Porcelain Agate 6mm Round - 15-16 Inch

Original price $11.00 - Original price $11.00
Original price $11.00
$11.00 - $11.00
Current price $11.00
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Original price $11.00 - Original price $11.00
Original price $11.00
$11.00 - $11.00
Current price $11.00
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Blue White Porcelain Agate 10mm Round - 15-16 Inch

Original price $14.00 - Original price $14.00
Original price $14.00
$14.00 - $14.00
Current price $14.00
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Original price $14.00 - Original price $14.00
Original price $14.00
$14.00 - $14.00
Current price $14.00
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Black Tourmaline 8mm Round A Grade - 15-16 Inch

Original price $18.00 - Original price $18.00
Original price $18.00
$18.00 - $18.00
Current price $18.00
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Black Tourmaline is a black crystalline aluminum borosilicate mineral with occasional light gray inclusions that appear as flecks or veins. Tourmal...

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Original price $18.00 - Original price $18.00
Original price $18.00
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Current price $18.00
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Black Tourmaline 6mm Round A Grade - 15-16 Inch

Original price $14.00 - Original price $14.00
Original price $14.00
$14.00 - $14.00
Current price $14.00
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Black Tourmaline is a black crystalline aluminum borosilicate mineral with occasional light gray inclusions that appear as flecks or veins. Tourmal...

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Original price $14.00 - Original price $14.00
Original price $14.00
$14.00 - $14.00
Current price $14.00
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Black Tourmaline 10mm Round A Grade - 15-16 Inch

Original price $22.00 - Original price $22.00
Original price $22.00
$22.00 - $22.00
Current price $22.00
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Black Tourmaline is a black crystalline aluminum borosilicate mineral with occasional light gray inclusions that appear as flecks or veins. Tourmal...

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Original price $22.00 - Original price $22.00
Original price $22.00
$22.00 - $22.00
Current price $22.00
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Australian Boulder Opal 8mm Round - 15-16 Inch

Original price $63.00 - Original price $63.00
Original price $63.00
$63.00 - $63.00
Current price $63.00
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Boulder Opal is a golden-brown to dark brown stone, displaying these colors in patterns of parallel bands. It is considered a precious Opal, and fo...

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Original price $63.00 - Original price $63.00
Original price $63.00
$63.00 - $63.00
Current price $63.00
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Australian Boulder Opal 6mm Round - 15-16 Inch

Original price $36.00 - Original price $36.00
Original price $36.00
$36.00 - $36.00
Current price $36.00
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Boulder Opal is a golden-brown to dark brown stone, displaying these colors in patterns of parallel bands. It is considered a precious Opal, and fo...

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Original price $36.00 - Original price $36.00
Original price $36.00
$36.00 - $36.00
Current price $36.00
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Australian Boulder Opal 4mm Round - 15-16 Inch

Original price $22.00 - Original price $22.00
Original price $22.00
$22.00 - $22.00
Current price $22.00
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Boulder Opal is a golden-brown to dark brown stone, displaying these colors in patterns of parallel bands. It is considered a precious Opal, and fo...

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Original price $22.00 - Original price $22.00
Original price $22.00
$22.00 - $22.00
Current price $22.00
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Blue Moonstone with Black Dot 8mm Round - 15-16 Inch

Original price $18.00 - Original price $18.00
Original price $18.00
$18.00 - $18.00
Current price $18.00
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Moonstone naturally occurs in a broad spectrum of colors, but is most commonly associated with white, gray and peach. It's soft chatoyancy is remin...

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Original price $18.00 - Original price $18.00
Original price $18.00
$18.00 - $18.00
Current price $18.00
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Australian Boulder Opal 10mm Round - 15-16 Inch

Original price $90.00 - Original price $90.00
Original price $90.00
$90.00 - $90.00
Current price $90.00
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Boulder Opal is a golden-brown to dark brown stone, displaying these colors in patterns of parallel bands. It is considered a precious Opal, and fo...

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Original price $90.00 - Original price $90.00
Original price $90.00
$90.00 - $90.00
Current price $90.00
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Blue Moonstone 8mm Round - 15-16 Inch

Original price $45.00 - Original price $45.00
Original price $45.00
$45.00 - $45.00
Current price $45.00
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Moonstone naturally occurs in a broad spectrum of colors, but is most commonly associated with white, gray and peach. It's soft chatoyancy is remin...

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Original price $45.00 - Original price $45.00
Original price $45.00
$45.00 - $45.00
Current price $45.00
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Banded Mixed Beryl (Morganite) 8mm Round A Grade - 15-16 Inch

Original price $31.00 - Original price $31.00
Original price $31.00
$31.00 - $31.00
Current price $31.00
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A relatively rare silicate mineral found in igneous and metamorphic rocks around the world, Beryl is generally clear, while its variations in color...

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Original price $31.00 - Original price $31.00
Original price $31.00
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Current price $31.00
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Blue Moonstone 10mm Round A Grade - 15-16 Inch

Original price $55.00 - Original price $55.00
Original price $55.00
$55.00 - $55.00
Current price $55.00
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Moonstone naturally occurs in a broad spectrum of colors, but is most commonly associated with white, gray and peach. It's soft chatoyancy is remin...

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Original price $55.00 - Original price $55.00
Original price $55.00
$55.00 - $55.00
Current price $55.00
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Banded Mixed Beryl (Morganite) 6mm Round A Grade - 15-16 Inch

Original price $22.00 - Original price $22.00
Original price $22.00
$22.00 - $22.00
Current price $22.00
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A relatively rare silicate mineral found in igneous and metamorphic rocks around the world, Beryl is generally clear, while its variations in color...

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Original price $22.00 - Original price $22.00
Original price $22.00
$22.00 - $22.00
Current price $22.00
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Azurite 8mm Round A Grade - 15-16 Inch

Original price $54.00 - Original price $54.00
Original price $54.00
$54.00 - $54.00
Current price $54.00
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Azurite is a Copper carbonate mineral that forms in masses, stalactites, botryoidal, and short prismatic crystals. Azurite in crystal form is extre...

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Original price $54.00 - Original price $54.00
Original price $54.00
$54.00 - $54.00
Current price $54.00
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Banded Mixed Beryl (Morganite) 10mm Round A Grade - 15-16 Inch

Original price $36.00 - Original price $36.00
Original price $36.00
$36.00 - $36.00
Current price $36.00
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A relatively rare silicate mineral found in igneous and metamorphic rocks around the world, Beryl is generally clear, while its variations in color...

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Original price $36.00 - Original price $36.00
Original price $36.00
$36.00 - $36.00
Current price $36.00
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Azurite 6mm Round A Grade - 15-16 Inch

Original price $31.00 - Original price $31.00
Original price $31.00
$31.00 - $31.00
Current price $31.00
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Azurite is a Copper carbonate mineral that forms in masses, stalactites, botryoidal, and short prismatic crystals. Azurite in crystal form is extre...

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Original price $31.00 - Original price $31.00
Original price $31.00
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Current price $31.00
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Azurite 4mm Round A Grade - 15-16 Inch

Original price $31.00 - Original price $31.00
Original price $31.00
$31.00 - $31.00
Current price $31.00
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Azurite is a Copper carbonate mineral that forms in masses, stalactites, botryoidal, and short prismatic crystals. Azurite in crystal form is extre...

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Original price $31.00 - Original price $31.00
Original price $31.00
$31.00 - $31.00
Current price $31.00
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Azurite 10mm Round A Grade - 15-16 Inch

Original price $76.00 - Original price $76.00
Original price $76.00
$76.00 - $76.00
Current price $76.00
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Azurite is a Copper carbonate mineral that forms in masses, stalactites, botryoidal, and short prismatic crystals. Azurite in crystal form is extre...

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Original price $76.00 - Original price $76.00
Original price $76.00
$76.00 - $76.00
Current price $76.00
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FAQ

Are all Dakota Stones gemstone beads genuine?

Yes, all of our gemstone beads are made from authentic, natural materials. Any treatments (such as stabilization or dyeing) are clearly noted.

Are gemstone beads durable for everyday jewelry?

Most stones are durable, but hardness varies. Softer stones (below 6 on the Mohs scale) are best for necklaces or earrings rather than rings or bracelets.

How are Dakota Stones ethically sourced?

We are an ethical business that focuses on responsibly sourced rather than making absolute claims. There is no universal or enforceable certification system for ethically sourced gemstone rough used in beads.

Our sourcing decisions are guided by:

  • Long-standing relationships with trusted partners
  • Clear expectations for labor and working conditions
  • Ongoing evaluation of suppliers and materials
  • Transparency about what is—and isn’t—documented in the industry
Where are your gemstones manufactured?

Most of our gemstone beads are manufactured in China and India, with select turquoise products sourced and produced in the United States.

Our primary manufacturing partner in China is a long-standing, multigenerational relationship that dates back to 2003. In India, we work primarily with smaller, family-based operations and purchase ready stock rather than commissioning production.

Do you work directly with miners?

When possible, yes. In many cases, however, direct sourcing from miners is not feasible due to cost, logistics, or material availability—especially for lower-value stones like jaspers and agates.

Instead, we often work with trusted intermediaries who have established relationships within the mining and cutting communities. This is common and unavoidable in the natural stone industry.

Why don’t you list mine-by-mine origins for every stone?

That level of documentation often does not exist—or cannot be verified reliably—for gemstone beads.

Natural stones frequently pass through multiple hands between mining, cutting, and stringing. Rather than offering incomplete or misleading origin claims, we choose to be honest about what we know and transparent about industry limitations.

Have labor conditions improved in your supply chain over time?

Yes. Over the past two decades, labor standards, worker protections, and compensation—particularly in China—have improved significantly as policies shifted toward building a middle class and formalizing manufacturing standards.

These changes have increased costs, but they also reflect progress in worker welfare. We view that as a positive development and adjust our sourcing accordingly.