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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.

Peridot 4mm Coin Faceted A Grade - 15-16 Inch

Original price $32.00 - Original price $32.00
Original price $32.00
$32.00 - $32.00
Current price $32.00
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Peridot (pair-uh-doe) is one of only two gems, the other being Diamond, that is not formed in the Earth’s crust. Rather, it is born in the molten r...

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Original price $32.00 - Original price $32.00
Original price $32.00
$32.00 - $32.00
Current price $32.00
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Peridot 4mm Round Faceted AA 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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Peridot (pair-uh-doe) is one of only two gems, the other being Diamond, that is not formed in the Earth’s crust. Rather, it is born in the molten r...

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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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Prehnite 2x3mm Rondelle Faceted A Grade - 15-16 Inch

Original price $17.00 - Original price $17.00
Original price $17.00
$17.00 - $17.00
Current price $17.00
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Prehnite was the first mineral to be named after a person: its discoverer, Dutch Colonel Hendrik Von Prehn. Von Prehn discovered the stone in South...

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Original price $17.00 - Original price $17.00
Original price $17.00
$17.00 - $17.00
Current price $17.00
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Prehnite 3mm Round Faceted A Grade - 15-16 Inch

Original price $12.00 - Original price $12.00
Original price $12.00
$12.00 - $12.00
Current price $12.00
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Prehnite was the first mineral to be named after a person: its discoverer, Dutch Colonel Hendrik Von Prehn. Von Prehn discovered the stone in South...

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Original price $12.00 - Original price $12.00
Original price $12.00
$12.00 - $12.00
Current price $12.00
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Prehnite 4mm Coin Faceted A Grade - 15-16 Inch

Original price $21.00 - Original price $21.00
Original price $21.00
$21.00 - $21.00
Current price $21.00
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Prehnite was the first mineral to be named after a person: its discoverer, Dutch Colonel Hendrik Von Prehn. Von Prehn discovered the stone in South...

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Original price $21.00 - Original price $21.00
Original price $21.00
$21.00 - $21.00
Current price $21.00
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Prehnite 3x4mm Rondelle Faceted A Grade - 15-16 Inch

Original price $23.00 - Original price $23.00
Original price $23.00
$23.00 - $23.00
Current price $23.00
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Prehnite was the first mineral to be named after a person: its discoverer, Dutch Colonel Hendrik Von Prehn. Von Prehn discovered the stone in South...

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Original price $23.00 - Original price $23.00
Original price $23.00
$23.00 - $23.00
Current price $23.00
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Prehnite 4mm Round Faceted AA 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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Prehnite was the first mineral to be named after a person: its discoverer, Dutch Colonel Hendrik Von Prehn. Von Prehn discovered the stone in South...

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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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Prehnite 6mm Coin Faceted A Grade - 15-16 Inch

Original price $28.00 - Original price $28.00
Original price $28.00
$28.00 - $28.00
Current price $28.00
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Prehnite was the first mineral to be named after a person: its discoverer, Dutch Colonel Hendrik Von Prehn. Von Prehn discovered the stone in South...

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Original price $28.00 - Original price $28.00
Original price $28.00
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Current price $28.00
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Prehnite 6mm Double Heart Faceted A Grade - 15-16 Inch

Original price $27.00 - Original price $27.00
Original price $27.00
$27.00 - $27.00
Current price $27.00
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Prehnite was the first mineral to be named after a person: its discoverer, Dutch Colonel Hendrik Von Prehn. Von Prehn discovered the stone in South...

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Original price $27.00 - Original price $27.00
Original price $27.00
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Current price $27.00
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Prehnite 6mm Round Faceted A Grade - 15-16 Inch

Original price $21.00 - Original price $21.00
Original price
$21.00 - $21.00
Current price $21.00
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Prehnite was the first mineral to be named after a person: its discoverer, Dutch Colonel Hendrik Von Prehn. Von Prehn discovered the stone in South...

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Original price $21.00 - Original price $21.00
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Current price $21.00
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Prehnite 7mm Cube Table Cut A Grade - 15-16 Inch - CLEARANCE

Original price $41.00 - Original price $41.00
Original price $41.00
$41.00 - $41.00
Current price $41.00
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Prehnite was the first mineral to be named after a person: its discoverer, Dutch Colonel Hendrik Von Prehn. Von Prehn discovered the stone in South...

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Original price $41.00 - Original price $41.00
Original price $41.00
$41.00 - $41.00
Current price $41.00
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Prehnite 8mm Coin Faceted A Grade - 15-16 Inch

Original price $34.00 - Original price $34.00
Original price $34.00
$34.00 - $34.00
Current price $34.00
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Prehnite was the first mineral to be named after a person: its discoverer, Dutch Colonel Hendrik Von Prehn. Von Prehn discovered the stone in South...

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Original price $34.00 - Original price $34.00
Original price $34.00
$34.00 - $34.00
Current price $34.00
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Prehnite 8mm Double Heart Faceted - 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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Prehnite was the first mineral to be named after a person: its discoverer, Dutch Colonel Hendrik Von Prehn. Von Prehn discovered the stone in South...

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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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Prehnite 8mm Round Faceted A Grade - 15-16 Inch

Original price $33.00 - Original price $33.00
Original price $33.00
$33.00 - $33.00
Current price $33.00
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Prehnite was the first mineral to be named after a person: its discoverer, Dutch Colonel Hendrik Von Prehn. Von Prehn discovered the stone in South...

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Original price $33.00 - Original price $33.00
Original price $33.00
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Current price $33.00
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Prehnite Natural 6-7mm Table Cut Cube A Grade - 15-16 Inch

Original price $35.00 - Original price $35.00
Original price $35.00
$35.00 - $35.00
Current price $35.00
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Prehnite was the first mineral to be named after a person: its discoverer, Dutch Colonel Hendrik Von Prehn. Von Prehn discovered the stone in South...

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Original price $35.00 - Original price $35.00
Original price $35.00
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Current price $35.00
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Prehnite Natural 6X8 Pebble SD A Grade - 15-16 Inch

Original price $17.00 - Original price $17.00
Original price $17.00
$17.00 - $17.00
Current price $17.00
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Prehnite was the first mineral to be named after a person: its discoverer, Dutch Colonel Hendrik Von Prehn. Von Prehn discovered the stone in South...

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Original price $17.00 - Original price $17.00
Original price $17.00
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Current price $17.00
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Prehnite Natural 8mm Bicone Faceted - 15-16 Inch

Original price $23.00 - Original price $23.00
Original price
$23.00 - $23.00
Current price $23.00
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Prehnite was the first mineral to be named after a person: its discoverer, Dutch Colonel Hendrik Von Prehn. Von Prehn discovered the stone in South...

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Original price $23.00 - Original price $23.00
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Current price $23.00
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Prehnite Natural 8X10mm Freeform Cut - 15-16 Inch

Original price $120.00 - Original price $120.00
Original price $120.00
$120.00 - $120.00
Current price $120.00
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Prehnite was the first mineral to be named after a person: its discoverer, Dutch Colonel Hendrik Von Prehn. Von Prehn discovered the stone in South...

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Original price $120.00 - Original price $120.00
Original price $120.00
$120.00 - $120.00
Current price $120.00
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Rainbow Jade (Natural) 10mm Round - 15-16 Inch

Original price $16.00 - Original price $16.00
Original price $16.00
$16.00 - $16.00
Current price $16.00
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Jade refers to an ornamental mineral, mostly known for its green varieties. Jade has been used for tens of thousands of years, initially as tools b...

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Original price $16.00 - Original price $16.00
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Current price $16.00
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Rainbow Jade (Natural) 6mm Round - 15-16 Inch

Original price $12.00 - Original price $12.00
Original price $12.00
$12.00 - $12.00
Current price $12.00
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Jade refers to an ornamental mineral, mostly known for its green varieties. Jade has been used for tens of thousands of years, initially as tools b...

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Original price $12.00 - Original price $12.00
Original price $12.00
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Current price $12.00
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Rainbow Jade (Natural) 8mm 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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Jade refers to an ornamental mineral, mostly known for its green varieties. Jade has been used for tens of thousands of years, initially as tools b...

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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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Ruby Zoisite 6mm 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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Ruby Zoisite occurs naturally when small Ruby crystals become embedded within Zoisite. The Ruby inclusions in this stone are pink to reddish purple...

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Original price $14.00 - Original price $14.00
Original price $14.00
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Current price $14.00
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Ruby Zoisite 8mm Round 15-16 Inch

Original price $20.00 - Original price $20.00
Original price $20.00
$20.00 - $20.00
Current price $20.00
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Ruby Zoisite occurs naturally when small Ruby crystals become embedded within Zoisite. The Ruby inclusions in this stone are pink to reddish purple...

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Original price $20.00 - Original price $20.00
Original price $20.00
$20.00 - $20.00
Current price $20.00
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Seraphinite 2mm Round Faceted A Grade - 15-16 Inch

Original price $17.00 - Original price $17.00
Original price $17.00
$17.00 - $17.00
Current price $17.00
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Seraphinite's chatoyancy (optical reflectance) gives it a feathery appearance associated with angels (also known as seraphim.) Seraphinite is most ...

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Original price $17.00 - Original price $17.00
Original price $17.00
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Current price $17.00
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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.