Skip to content

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.

Polychrome Jasper 4mm Round - 15-16 Inch

Original price $11.00 - Original price $11.00
Original price $11.00
$11.00 - $11.00
Current price $11.00
Login for wholesale

Polychrome Jasper is considered one of the rarest Jaspers in the world. First discovered in 2006, it is exclusively sourced from a single small dep...

View full details
Original price $11.00 - Original price $11.00
Original price $11.00
$11.00 - $11.00
Current price $11.00
Login for wholesale

Red Jasper 4mm Round - 15-16 Inch

Original price $9.00 - Original price $9.00
Original price $9.00
$9.00 - $9.00
Current price $9.00
Login for wholesale

Red Jasper is an aggregate of microcrystalline quartz and/or chalcedony and other minerals. The opaque stone’s red color is due to high iron conten...

View full details
Original price $9.00 - Original price $9.00
Original price $9.00
$9.00 - $9.00
Current price $9.00
Login for wholesale

Blue and Yellow Tiger Eye 4mm Round - 15-16 Inch

Original price $11.00 - Original price $11.00
Original price $11.00
$11.00 - $11.00
Current price $11.00
Login for wholesale

Blue Tiger Eye is a naturally occurring dark stone with chatoyant layers that create a flash which seems to emanate from within the stone as they c...

View full details
Original price $11.00 - Original price $11.00
Original price $11.00
$11.00 - $11.00
Current price $11.00
Login for wholesale

Golden Tiger Eye with Yellow and Blue 4mm Round - 15-16 Inch

Original price $13.00 - Original price $13.00
Original price $13.00
$13.00 - $13.00
Current price $13.00
Login for wholesale

Tiger Eye is a macrocrystalline Quartz stone with bands of rich golds and browns. Its chatoyant layers that create a flash which seems to emanate f...

View full details
Original price $13.00 - Original price $13.00
Original price $13.00
$13.00 - $13.00
Current price $13.00
Login for wholesale

Prehnite with Rutilate 4mm Round - 15-16 Inch

Original price $17.00 - Original price $17.00
Original price $17.00
$17.00 - $17.00
Current price $17.00
Login for wholesale

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...

View full details
Original price $17.00 - Original price $17.00
Original price $17.00
$17.00 - $17.00
Current price $17.00
Login for wholesale

Red Tiger Eye 4mm Round - 15-16 Inch

Original price $11.00 - Original price $11.00
Original price $11.00
$11.00 - $11.00
Current price $11.00
Login for wholesale

Red Tiger Eye is actually Brown Tiger Eye which has been heat treated to bring out the red color. This macrocrystalline Quartz stone has chatoyant ...

View full details
Original price $11.00 - Original price $11.00
Original price $11.00
$11.00 - $11.00
Current price $11.00
Login for wholesale

Red Tiger Iron 4mm Round - 15-16 Inch

Original price $11.00 - Original price $11.00
Original price $11.00
$11.00 - $11.00
Current price $11.00
Login for wholesale

Composed mostly of tiger's eye, red jasper and black hematite, Tiger Iron has long been popular with jewelry-makers. The gold, silver, brown and re...

View full details
Original price $11.00 - Original price $11.00
Original price $11.00
$11.00 - $11.00
Current price $11.00
Login for wholesale

Silver Crazy Lace Agate 4mm Round - 15-16 Inch

Original price $6.00 - Original price $6.00
Original price $6.00
$6.00 - $6.00
Current price $6.00
Login for wholesale

Silver Crazy Lace Agate is a naturally occurring form of Crazy Lace Agate, a banded Chalcedony that is predominantly white with layers of brown, gr...

View full details
Original price $6.00 - Original price $6.00
Original price $6.00
$6.00 - $6.00
Current price $6.00
Login for wholesale

Kyanite Multi 4mm Round - 15-16 Inch

Original price $16.00 - Original price $16.00
Original price $16.00
$16.00 - $16.00
Current price $16.00
Login for wholesale

Kyanite often occurs as long, bladed, striated crystals, transparent or translucent with a pearly luster. An aluminum silicate mineral, it may appe...

View full details
Original price $16.00 - Original price $16.00
Original price $16.00
$16.00 - $16.00
Current price $16.00
Login for wholesale

Black Web Jasper 4mm Round - 15-16 Inch

Original price $6.00 - Original price $6.00
Original price $6.00
$6.00 - $6.00
Current price $6.00
Login for wholesale

Jasper has a long and illustrious history, having been worn by shamans, priests and kings and believed to be a powerful protection stone. Ancient E...

View full details
Original price $6.00 - Original price $6.00
Original price $6.00
$6.00 - $6.00
Current price $6.00
Login for wholesale

Goldstone 4mm Round - 15-16 Inch

Original price $6.00 - Original price $6.00
Original price $6.00
$6.00 - $6.00
Current price $6.00
Login for wholesale

Goldstone is a manmade material, consisting of opaque rust to red glass with tiny flecks of glittering copper suspended within it. Goldstone was fi...

View full details
Original price $6.00 - Original price $6.00
Original price $6.00
$6.00 - $6.00
Current price $6.00
Login for wholesale

Dendritic Black Opal 4mm Round - 15-16 Inch

Original price $13.00 - Original price $13.00
Original price $13.00
$13.00 - $13.00
Current price $13.00
Login for wholesale

This variety of opal is named "dendritic" for the small inclusions within it that resemble moss or ferns. These inclusions consist of iron, mangane...

View full details
Original price $13.00 - Original price $13.00
Original price $13.00
$13.00 - $13.00
Current price $13.00
Login for wholesale

Australian Butter Jasper 4mm Round - 15-16 Inch

Original price $8.00 - Original price $8.00
Original price $8.00
$8.00 - $8.00
Current price $8.00
Login for wholesale

The description, “buttery,” has been often applied to unlikely products, and it might be easy to understand why. “Butter” suggests qualities of smo...

View full details
Original price $8.00 - Original price $8.00
Original price $8.00
$8.00 - $8.00
Current price $8.00
Login for wholesale

Azurite 4mm Round - 15-16 Inch

Original price $20.00 - Original price $20.00
Original price $20.00
$20.00 - $20.00
Current price $20.00
Login for wholesale

Azurite is a Copper carbonate mineral that forms in masses, stalactites, botryoidal, and short prismatic crystals. Azurite in crystal form is extre...

View full details
Original price $20.00 - Original price $20.00
Original price $20.00
$20.00 - $20.00
Current price $20.00
Login for wholesale

Fluorite 4mm 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
Login for wholesale

Fluorite is a luminous, soft and glassy stone, sometimes referred to as “the most colorful mineral in the world.” It is one of the most sought to a...

View full details
Original price $14.00 - Original price $14.00
Original price $14.00
$14.00 - $14.00
Current price $14.00
Login for wholesale

Peruvian Rhodochrosite 4mm Round - 15-16 Inch

Original price $7.00 - Original price $7.00
Original price $7.00
$7.00 - $7.00
Current price $7.00
Login for wholesale

Rhodochrosite is a bubblegum pink to rose red stone, with occasional inclusions of creamy white and dark grey. A manganese carbonate material of th...

View full details
Original price $7.00 - Original price $7.00
Original price $7.00
$7.00 - $7.00
Current price $7.00
Login for wholesale

Tiger Eye 4mm Round - 15-16 Inch

Original price $12.00 - Original price $12.00
Original price $12.00
$12.00 - $12.00
Current price $12.00
Login for wholesale

Tiger Eye is a macrocrystalline Quartz stone with bands of rich golds and browns. Its chatoyant layers that create a flash which seems to emanate f...

View full details
Original price $12.00 - Original price $12.00
Original price $12.00
$12.00 - $12.00
Current price $12.00
Login for wholesale

Emerald 3x4mm Faceted Rondelle AAA Grade - 15-16 Inch

Original price $116.00 - Original price $116.00
Original price $116.00
$116.00 - $116.00
Current price $116.00
Login for wholesale

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...

View full details
Original price $116.00 - Original price $116.00
Original price $116.00
$116.00 - $116.00
Current price $116.00
Login for wholesale

Ruby 3x4mm Faceted Rondelle 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
Login for wholesale

Ruby is a precious gemstone known for its deep red color. It is a variety of the mineral corundum, the second-hardest mineral next to diamond . The...

View full details
Original price $36.00 - Original price $36.00
Original price $36.00
$36.00 - $36.00
Current price $36.00
Login for wholesale

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

Original price $29.00 - Original price $29.00
Original price $29.00
$29.00 - $29.00
Current price $29.00
Login for wholesale

Ruby is a precious gemstone known for its deep red color. It is a variety of the mineral corundum, the second-hardest mineral next to diamond . The...

View full details
Original price $29.00 - Original price $29.00
Original price $29.00
$29.00 - $29.00
Current price $29.00
Login for wholesale

Sapphire 4mm Faceted Round A Grade - 15-16 Inch

Original price $48.00 - Original price $48.00
Original price $48.00
$48.00 - $48.00
Current price $48.00
Login for wholesale

Sapphires are precious gemstones, but unlike rubies, they come in a rainbow of colors besides red!  They are all varieties of the mineral corundum,...

View full details
Original price $48.00 - Original price $48.00
Original price $48.00
$48.00 - $48.00
Current price $48.00
Login for wholesale

Blue Moonstone 4mm 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
Login for wholesale

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...

View full details
Original price $24.00 - Original price $24.00
Original price $24.00
$24.00 - $24.00
Current price $24.00
Login for wholesale

Diopside 4mm Round Faceted A Grade - 15-16 Inch

Original price $52.00 - Original price $52.00
Original price $52.00
$52.00 - $52.00
Current price $52.00
Login for wholesale

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...

View full details
Original price $52.00 - Original price $52.00
Original price $52.00
$52.00 - $52.00
Current price $52.00
Login for wholesale

Emerald 4mm Cube Faceted AAA Grade - 15-16 Inch

Original price $104.00 - Original price $104.00
Original price $104.00
$104.00 - $104.00
Current price $104.00
Login for wholesale

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...

View full details
Original price $104.00 - Original price $104.00
Original price $104.00
$104.00 - $104.00
Current price $104.00
Login for wholesale

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.