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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.

Amethyst 12mm Round 15-16 Inch

Original price $38.00 - Original price $38.00
Original price $38.00
$38.00 - $38.00
Current price $38.00
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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 $38.00 - Original price $38.00
Original price $38.00
$38.00 - $38.00
Current price $38.00
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Aquamarine Green Yellow Mix Natural 12mm Round - 15-16 Inch - CLEARANCE

Original price $69.00 - Original price $69.00
Original price $69.00
$69.00 - $69.00
Current price $69.00
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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 $69.00 - Original price $69.00
Original price $69.00
$69.00 - $69.00
Current price $69.00
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Botswana Agate 12mm 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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Botswana Agate displays highly defined parallel banding, usually in white on hues of brown, gray, pink, tan, apricot and purplish red. Botswana Aga...

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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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Crystal Quartz 12mm Round - 15-16 Inch

Original price $37.00 - Original price $37.00
Original price $37.00
$37.00 - $37.00
Current price $37.00
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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 $37.00 - Original price $37.00
Original price $37.00
$37.00 - $37.00
Current price $37.00
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Golden Sunstone Natural 12mm Round AA Grade - 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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Sunstone, a variety of Feldspar, is aptly named for its shades of gold, orange, red and brown, as well as its iridescent sparkle. As the stone catc...

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Original price $105.00 - Original price $105.00
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Current price $105.00
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Green Lodalite Quartz 12mm 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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Green Lodolite 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 $36.00
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Current price $36.00
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GREEN Terra Agate 12mm 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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With the possible exception of the horizon meeting the bright blue sky on a perfect summer day, or a sandy beach blending into a tropical bay, ther...

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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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K2 12mm Round - 15-16 Inch

Original price $296.00 - Original price $296.00
Original price $296.00
$296.00 - $296.00
Current price $296.00
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K2 is a stone recently discovered in the foothills of the mountain for which it is named, K2, in the Karakoram mountain range of Pakistan. It is a ...

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Original price $296.00 - Original price $296.00
Original price $296.00
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Current price $296.00
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Labradorite Natural 12mm Round A Grade - 15-16 Inch

Original price $72.00 - Original price $72.00
Original price $72.00
$72.00 - $72.00
Current price $72.00
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Labradorite is remarkable for the way its aggregate layers refract light, creating iridescent flashes of blue, gold, pale green or copper red. This...

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Original price $72.00 - Original price $72.00
Original price $72.00
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Current price $72.00
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Lava 12mm 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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Lava is rock from the molten center of the earth, once spewed through fractures in the planetary crust or from a volcanic eruption. Once cooled, th...

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Original price $14.00
$14.00 - $14.00
Current price $14.00
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MATTE Blue Apatite 12mm A Grade 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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Blue Apatite ranges in color from light teal to blue to bright blue to dark blue to green. It can be easily confused with other minerals due to its...

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MATTE DZI Agate Green Line 12mm 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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These Dakota Stones "DZI" style agate beads are made to resemble beads first found in India between 1000 and 2000 BCE. These reproductions are desi...

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Opalite (Synthetic) 12mm Faceted Round - 15-16 Inch - CLEARANCE

Original price $18.00 - Original price $18.00
Original price $18.00
$18.00 - $18.00
Current price $18.00
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Opalite is the trade name for man to made glass treated to exhibit the internal flashes of true Opals in translucent samples, and opalescence or lu...

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Opalite (Synthetic) 12mm Round - 15-16 Inch - CLEARANCE

Original price $18.00 - Original price $18.00
Original price $18.00
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Current price $18.00
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Opalite is the trade name for man to made glass treated to exhibit the internal flashes of true Opals in translucent samples, and opalescence or lu...

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Original price $18.00
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Sunset Dumortierite 12mm Round 15-16 Inch - CLEARANCE

Original price $32.00 - Original price $32.00
Original price $32.00
$32.00 - $32.00
Current price $32.00
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Sunset Dumortierite has a much brighter palette than regular Dumortierite, from light blue to lapis blue to cobalt, as well as some occurrences of ...

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Original price $32.00 - Original price $32.00
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Sunstone 12mm Round - 15-16 inch - CLEARANCE

Original price $78.00 - Original price $78.00
Original price $78.00
$78.00 - $78.00
Current price $78.00
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Sunstone, a variety of Feldspar, is aptly named for its shades of gold, orange, red and brown, as well as its iridescent sparkle. As the stone catc...

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Original price $78.00 - Original price $78.00
Original price $78.00
$78.00 - $78.00
Current price $78.00
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Tiger Eye 12mm 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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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...

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Original price $24.00
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Tiger Eye Rainbow 12mm Round - 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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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...

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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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Ocean Jasper 12mm Round - 15-16 Inch

Original price $37.00 - Original price $37.00
Original price $37.00
$37.00 - $37.00
Current price $37.00
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Ocean Jasper is a commercial name for Orbicular Jasper, a variety of Jasper containing variably colored spherical patterns. It forms when Quartz an...

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Green Angelite Cat's Eye 12mm 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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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 $36.00 - Original price $36.00
Original price $36.00
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Current price $36.00
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Labradorite 12mm Star Cut Coin - 15-16 Inch - CLEARANCE

Original price $36.00 - Original price $36.00
Original price $36.00
$36.00 - $36.00
Current price $36.00
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Labradorite is remarkable for the way its aggregate layers refract light, creating iridescent flashes of blue, gold, pale green or copper red. This...

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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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Copper Hematoid Quartz 12mm Star Cut Coin - 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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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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Original price $36.00 - Original price $36.00
Original price $36.00
$36.00 - $36.00
Current price $36.00
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Tiger Eye 12mm Star Cut Coin - 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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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...

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Original price $24.00 - Original price $24.00
Original price $24.00
$24.00 - $24.00
Current price $24.00
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Blue Apatite 12mm Star Cut Coin - 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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Blue Apatite ranges in color from light teal to blue to bright blue to dark blue to green. It can be easily confused with other minerals due to its...

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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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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 work directly with trusted suppliers around the world to ensure responsible mining, fair labor, and environmentally conscious sourcing.