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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.

Kingman Turquoise 5-8mm Graduated Tyre Faceted Green - 15-16 Inch

Original price $96.00 - Original price $96.00
Original price $96.00
$96.00 - $96.00
Current price $96.00
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Turquoise is an ancient gemstone, one of the first known to man. Known to Egyptian and Aztec cultures thousands of years ago, Turquoise is now mine...

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Original price $96.00 - Original price $96.00
Original price $96.00
$96.00 - $96.00
Current price $96.00
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Amethyst 6x8mm Faceted Oval - 15-16 Inch

Original price $44.00 - Original price $44.00
Original price $44.00
$44.00 - $44.00
Current price $44.00
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Amethyst is a beautiful purple stone, known as a “Gem of Fire” by ancient cultures. It has been greatly sought after throughout history and was at ...

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Original price $44.00 - Original price $44.00
Original price $44.00
$44.00 - $44.00
Current price $44.00
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Ruby Zoisite 14mm Round - 15-16 Inch

Original price $40.00 - Original price $40.00
Original price $40.00
$40.00 - $40.00
Current price $40.00
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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 $40.00 - Original price $40.00
Original price $40.00
$40.00 - $40.00
Current price $40.00
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Amazonite 10mm Round - 15-16 Inch

Original price $25.00 - Original price $25.00
Original price $25.00
$25.00 - $25.00
Current price $25.00
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Brazilian Amazonite is an opaque blue to green to light green stone, often occurring with inclusions of white, yellow or gray and occasionally tran...

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Original price $25.00 - Original price $25.00
Original price $25.00
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Current price $25.00
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Green Kyanite 6-8x12-25mm Drop - 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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Kyanite often occurs as long, bladed, striated crystals, transparent or translucent with a pearly luster. An aluminum silicate mineral, it may appe...

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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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Peach Moonstone 14mm Round - 15-16 Inch

Original price $40.00 - Original price $40.00
Original price $40.00
$40.00 - $40.00
Current price $40.00
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Moonstone naturally occurs in a broad spectrum of colors, but is most commonly associated with white, gray and peach. Its soft chatoyancy is remini...

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Original price $40.00 - Original price $40.00
Original price $40.00
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Current price $40.00
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Unakite 24x60mm Leaf - 15-16 Inch

Original price $40.00 - Original price $40.00
Original price $40.00
$40.00 - $40.00
Current price $40.00
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Unakite is a granite composed of pink Feldspar and Epidote, creating a beautiful blend of pink and green in mottled patterns. The colors in this st...

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Original price $40.00 - Original price $40.00
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Current price $40.00
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Green Kyanite 5-10x22-30mm Teeth - 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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Kyanite often occurs as long, bladed, striated crystals, transparent or translucent with a pearly luster. An aluminum silicate mineral, it may appe...

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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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Sleeping Beauty Turquoise 5mm Pebble - 15-16 Inch

Original price $383.00 - Original price $383.00
Original price $383.00
$383.00 - $383.00
Current price $383.00
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Dakota Stones’ Sleeping Beauty Turquoise is from the Sleeping Beauty mine in Globe, Arizona — famous for the outstanding robin’s egg blue color and...

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Original price $383.00 - Original price $383.00
Original price $383.00
$383.00 - $383.00
Current price $383.00
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Carnelian 8x12mm Tube Simple Cut - 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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Carnelian is a glassy, translucent stone that can appear with such bright orange hues that the ancient Egyptians called it “the setting sun.” Most ...

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Original price $20.00 - Original price $20.00
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Current price $20.00
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Amethyst 6mm Star Cut Coin A Grade - 15-16 Inch

Original price $25.00 - Original price $25.00
Original price $25.00
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Current price $25.00
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Amethyst is a beautiful purple stone, known as a “Gem of Fire” by ancient cultures. It has been greatly sought after throughout history and was at ...

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Original price $25.00 - Original price $25.00
Original price $25.00
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Current price $25.00
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Aquamarine 8mm Star Cut Coin 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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Aquamarine is a transparent to translucent stone ranging from cerulean blue to light blue in higher grades. In lower grades it can be transparent t...

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Original price $36.00 - Original price $36.00
Original price $36.00
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Current price $36.00
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Prehnite 6mm Round AAA Grade - 15-16 Inch

Original price $24.00 - Original price $24.00
Original price $24.00
$24.00 - $24.00
Current price $24.00
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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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Current price $24.00
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Prehnite 8mm Round AAA 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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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 $36.00 - Original price $36.00
Original price $36.00
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Current price $36.00
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Ruby Zoisite 10mm Round - 15-16 Inch

Original price $24.00 - Original price $24.00
Original price $24.00
$24.00 - $24.00
Current price $24.00
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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 $24.00 - Original price $24.00
Original price $24.00
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Current price $24.00
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Crystal Quartz 15mm Round - 15-16 Inch

Original price $78.00 - Original price $78.00
Original price $78.00
$78.00 - $78.00
Current price $78.00
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Crystal Quartz is a naturally occurring clear and colorless Quartz. It is a crystalline form of Quartz said to have many divine properties includin...

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Original price $78.00 - Original price $78.00
Original price $78.00
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Current price $78.00
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Crystal Quartz 4x18-4x25mm Point Peach - 15-16 Inch - CLEARANCE

Original price $30.00 - Original price $30.00
Original price $30.00
$30.00 - $30.00
Current price $30.00
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Crystal Quartz is a naturally occurring clear and colorless Quartz. It is a crystalline form of Quartz said to have many divine properties includin...

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Original price $30.00 - Original price $30.00
Original price $30.00
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Current price $30.00
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Crystal Quartz 12mm Round Carved - 15-16 Inch

Original price $40.00 - Original price $40.00
Original price $40.00
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Current price $40.00
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Crystal Quartz is a naturally occurring clear and colorless Quartz. It is a crystalline form of Quartz said to have many divine properties includin...

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Original price $40.00 - Original price $40.00
Original price $40.00
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Current price $40.00
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Black Spinel 5mm Round - 15-16 Inch

Original price $15.00 - Original price $15.00
Original price $15.00
$15.00 - $15.00
Current price $15.00
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Spinel is a hard vitreous magnesium aluminum oxide, and comes in a range of other colors, but those varieties are transparent. Black Spinel not onl...

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Original price $15.00 - Original price $15.00
Original price $15.00
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Current price $15.00
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Green Lodalite Quartz 6-7mm Table Cut Cube - 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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Green Lodalite is Quartz with inclusions of sand. These inclusions range broadly in type and color and produce patterns that can look like gardens....

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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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Black Moonstone 8mm Round - 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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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 $31.00 - Original price $31.00
Original price $31.00
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Current price $31.00
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Blue Opal 10x20mm Nugget - 15-16 Inch

Original price $62.00 - Original price $62.00
Original price $62.00
$62.00 - $62.00
Current price $62.00
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Blue Peruvian Opal naturally occurs with swirling patterns of deep blues, blue to greens and greens swirled with yellow to green, rust, brown and o...

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Original price $62.00 - Original price $62.00
Original price $62.00
$62.00 - $62.00
Current price $62.00
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Black Spinel 10mm Faceted Hexagon - 15-16 Inch

Original price $105.00 - Original price $105.00
Original price $105.00
$105.00 - $105.00
Current price $105.00
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Spinel is a hard vitreous magnesium aluminum oxide, and comes in a range of other colors, but those varieties are transparent. Black Spinel not onl...

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Original price $105.00 - Original price $105.00
Original price $105.00
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Current price $105.00
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Chalcedony Black (Marbled) 12x16mm Drum - 15-16 Inch

Original price $48.00 - Original price $48.00
Original price $48.00
$48.00 - $48.00
Current price $48.00
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Blue Chalcedony is a naturally occurring soft blue translucent stone. It is a member of the Quartz family, a form of silica with a cryptocrystallin...

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Original price $48.00 - Original price $48.00
Original price $48.00
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Current price $48.00
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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.