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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.

Purple Garnet 4mm Microfaceted 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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Purple Garnet is a magenta to purple variety of the famous stone. Garnet has been used for adornment and spirituality by myriad cultures and civili...

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Current price $20.00
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Emerald 4mm Round Faceted - 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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Emerald is one of the four “precious” gemstones, the others being Diamond, Ruby and Sapphire. It is the green form of Beryl, colored by trace amoun...

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Current price $40.00
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Rainbow Sapphire 4mm Round Faceted - 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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Sapphires are precious gemstones, but unlike rubies, they come in a rainbow of colors besides red!  They are all varieties of the mineral corundum,...

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Current price $28.00
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Green Apatite 4mm Round Faceted - 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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Green Apatite is a transparent to translucent stone that may be green, yellow to green or sea to green in color. Apatite has been labeled the “dece...

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Current price $15.00
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Lapis 4mm Microfaceted Round A Grade - 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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Lapis is a semi to precious stone and one of the most sought after throughout history. It is highly regarded for its beautiful blue color flecked w...

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Cubic Zirconia (CZ) 3mm Round Ruby Faceted (Synthetic) - 15-16 Inch

Original price $12.00 - Original price $12.00
Original price $12.00
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Current price $12.00
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Zircon occurs in a variety of colors including yellow, green, red, reddish brown and blue hues, as well as colorless. Colorless Zircon of the highe...

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Original price $12.00 - Original price $12.00
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Current price $12.00
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Cubic Zirconia (CZ) 3mm Round Emerald Green Faceted (Synthetic) - 15-16 Inch

Original price $12.00 - Original price $12.00
Original price $12.00
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Current price $12.00
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Zircon occurs in a variety of colors including yellow, green, red, reddish brown and blue hues, as well as colorless. Colorless Zircon of the highe...

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Current price $12.00
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Cubic Zirconia (CZ) 3mm Round Dark Olive Faceted (Synthetic) - 15-16 Inch

Original price $10.00 - Original price $10.00
Original price $10.00
$10.00 - $10.00
Current price $10.00
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Zircon occurs in a variety of colors including yellow, green, red, reddish brown and blue hues, as well as colorless. Colorless Zircon of the highe...

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Original price $10.00 - Original price $10.00
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Current price $10.00
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Cubic Zirconia (CZ) 3mm Round Light Smoky Rhodonite Faceted (Synthetic) - 15-16 Inch

Original price $12.00 - Original price $12.00
Original price $12.00
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Current price $12.00
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Cubic Zirconia, abbreviated as CZ, is a lab-made form of zirconium dioxide. Made to resemble Diamonds, these stones offer the same beauty and spark...

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Current price $12.00
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Aquamarine 2x4mm Thin Rondelle Faceted AA Grade - 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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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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Black Opal 4mm Round Faceted - 15-16 Inch

Original price $44.00 - Original price $44.00
Original price $44.00
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Current price $44.00
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Black Opal is a naturally occurring variety of precious opal mined in Australia. this opal variety is characterized by their dark base tone. It is ...

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Current price $44.00
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Diopside 2x4mm Thin Rondelle Faceted AA Grade - 15-16 Inch

Original price $92.00 - Original price $92.00
Original price $92.00
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Current price $92.00
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Diopside is a calcium and magnesium silicate mineral. It is transparent or translucent, and can display a nearly emerald green color due to the pre...

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Original price $92.00 - Original price $92.00
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Current price $92.00
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Iolite 2x4mm Thin Rondelle Faceted AA Grade - 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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Iolite most commonly occurs in shades of blue to gray, violet or indigo. It displays a visual property called “pleochroism,” which means that it ca...

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Multi Spinel 3mm Round Banded Faceted - 13 Inch

Original price $32.00 - Original price $32.00
Original price $32.00
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Current price $32.00
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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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Citrine 8x10mm Oval Bead Edge Cut Faceted - 15-16 Inch

Original price $180.00 - Original price $180.00
Original price $180.00
$180.00 - $180.00
Current price $180.00
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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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Citrine 7x15-9x17mm Nugget Center Drill Faceted - 15-16 Inch

Original price $280.00 - Original price $280.00
Original price $280.00
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Current price $280.00
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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 $280.00 - Original price $280.00
Original price $280.00
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Current price $280.00
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Ethiopian Opal 3-5mm Rondelle Faceted - 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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Ethiopian Opal was first discovered in Ethiopia in 1994, with additional major finds in 2008 and 2013. Beautiful specimens of Precious Opal, Fire O...

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Current price $120.00
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Kingman Turquoise 5-8mm Graduated Tyre Faceted Green - 15-16 Inch

Original price $96.00 - Original price $96.00
Original price $96.00
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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
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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
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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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Current price $44.00
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Carnelian 8x12mm Tube Simple Cut - 15-16 Inch

Original price $20.00 - Original price $20.00
Original price $20.00
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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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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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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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Golden Hematoid Quartz 8mm Star Cut Coin - 15-16 Inch

Original price $22.00 - Original price $22.00
Original price $22.00
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Current price $22.00
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Hematoid Quartz is Quartz with inclusions of hematite. The hematite inclusions are responsible for the stone’s color, which can be yellow, orange, ...

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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.