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.
African Petrified Wood Agate 6mm Round - 15-16 Inch
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$12.00
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$12.00
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$12.00
$12.00
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$12.00
Petrified Wood Agate is formed from the petrifaction process of primeval trees over the course of many years. Petrification occurs when the wood is...
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$12.00
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$12.00
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$12.00
$12.00
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$12.00
African Petrified Wood Agate 8mm Round - 15-16 Inch
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$14.00
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$14.00
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$14.00
$14.00
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$14.00
Petrified Wood Agate is formed from the petrifaction process of primeval trees over the course of many years. Petrification occurs when the wood is...
View full details
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$14.00
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$14.00
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$14.00
$14.00
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$14.00
Ancient Cellar Red Agate 10mm Round - 15-16 Inch
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$14.00
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$14.00
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$14.00
$14.00
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$14.00
Ancient Cellar Red Agate is a natural agate that is dyed and heated to give it the unique color and pattern we call Ancient Cellar.
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$14.00
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$14.00
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$14.00
$14.00
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$14.00
Ancient Cellar Red Agate 6mm Round - 15-16 Inch
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$11.00
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$11.00
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$11.00
$11.00
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$11.00
Ancient Cellar Red Agate is a natural agate that is dyed and heated to give it the unique color and pattern we call Ancient Cellar.
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$11.00
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$11.00
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$11.00
$11.00
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$11.00
Antique Wood Line DZI Agate 10x14mm Rondelle - 13-14 Inch - CLEARANCE
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$20.00
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$20.00
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$20.00
$20.00
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$20.00
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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$20.00
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$20.00
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$20.00
$20.00
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$20.00
DZI Agate 10mm Round Black Line Pattern - 15-16 Inch
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$15.00
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$15.00
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$15.00
$15.00
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$15.00
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...
View full details
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$15.00
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$15.00
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$15.00
$15.00
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$15.00
DZI Agate 6mm Round Black Line Pattern - 15-16 Inch
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$13.00
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$13.00
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$13.00
$13.00
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$13.00
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...
View full details
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$13.00
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$13.00
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$13.00
$13.00
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$13.00
DZI Agate 8mm Round Black Line Pattern 15-16 Inch
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$14.00
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$14.00
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$14.00
$14.00
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$14.00
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...
View full details
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$14.00
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$14.00
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$14.00
$14.00
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$14.00
Black Eye Agate 10mm Round 15-16 Inch
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$19.00
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$19.00
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$19.00
$19.00
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$19.00
Black Eye Agate is a variety of Sardonyx which has a Sard base, typically of brown or black, with bands of white Onyx running through it. Sard is n...
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$19.00
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$19.00
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$19.00
$19.00
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$19.00
Black Eye Agate 6mm Round 15-16 Inch
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$14.00
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$14.00
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$14.00
$14.00
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$14.00
Black Eye Agate is a variety of Sardonyx which has a Sard base, typically of brown or black, with bands of white Onyx running through it. Sard is n...
View full details
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$14.00
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$14.00
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$14.00
$14.00
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$14.00
Black Eye Agate 8mm Round 15-16 Inch
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$17.00
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$17.00
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$17.00
$17.00
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$17.00
Black Eye Agate is a variety of Sardonyx which has a Sard base, typically of brown or black, with bands of white Onyx running through it. Sard is n...
View full details
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$17.00
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$17.00
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$17.00
$17.00
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$17.00
Blue Chalcedony (Marbled) 10mm Round 15-16 Inch
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$48.00
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$48.00
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$48.00
$48.00
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$48.00
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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$48.00
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$48.00
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$48.00
$48.00
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$48.00
Blue Chalcedony (Marbled) 6mm Round 15-16 Inch
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$26.00
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$26.00
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$26.00
$26.00
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$26.00
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...
View full details
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$26.00
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$26.00
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$26.00
$26.00
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$26.00
Blue Chalcedony (Marbled) 8mm Round 15-16 Inch
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$32.00
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$32.00
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$32.00
$32.00
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$32.00
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...
View full details
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$32.00
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$32.00
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$32.00
$32.00
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$32.00
Blue Porcelain Agate 10mm Round - 15-16 Inch
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$16.00
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$16.00
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$16.00
$16.00
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$16.00
Porcelain Agate is a natural agate that is dyed and heated to give it the unique blue color and pattern that resembles porcelain.
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$16.00
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$16.00
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$16.00
$16.00
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$16.00
Blue Porcelain Agate 12mm Round - 15-16 Inch
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$18.00
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$18.00
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$18.00
$18.00
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$18.00
Porcelain Agate is a natural agate that is dyed and heated to give it the unique blue color and pattern that resembles porcelain.
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$18.00
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$18.00
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$18.00
$18.00
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$18.00
Blue Porcelain Agate 8mm Round - 15-16 Inch
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$14.00
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$14.00
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$14.00
$14.00
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$14.00
Porcelain Agate is a natural agate that is dyed and heated to give it the unique blue color and pattern that resembles porcelain.
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$14.00
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$14.00
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$14.00
$14.00
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$14.00
Blue Purple Terra Agate 14x40mm Rice 15-16 Inch
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$21.00
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$21.00
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$21.00
$21.00
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$21.00
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...
View full details
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$21.00
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$21.00
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$21.00
$21.00
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$21.00
Botswana Agate 10mm Round 15-16 Inch
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$31.00
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$31.00
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$31.00
$31.00
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$31.00
Botswana Agate displays highly defined parallel banding, usually in white on hues of brown, gray, pink, tan, apricot and purplish red. Botswana Aga...
View full details
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$31.00
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$31.00
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$31.00
$31.00
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$31.00
Botswana Agate 12mm Round - 15-16 inch
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$40.00
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$40.00
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$40.00
$40.00
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$40.00
Botswana Agate displays highly defined parallel banding, usually in white on hues of brown, gray, pink, tan, apricot and purplish red. Botswana Aga...
View full details
Original price
$40.00
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$40.00
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$40.00
$40.00
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$40.00
Botswana Agate 4mm Round - 15-16 Inch
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$16.00
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$16.00
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$16.00
$16.00
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$16.00
Botswana Agate displays highly defined parallel banding, usually in white on hues of brown, gray, pink, tan, apricot and purplish red. Botswana Aga...
View full details
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$16.00
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$16.00
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$16.00
$16.00
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$16.00
Botswana Agate 6mm Natural Energy Prism Faceted - 15-16 Inch
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$20.00
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$20.00
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$20.00
$20.00
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$20.00
Botswana Agate displays highly defined parallel banding, usually in white on hues of brown, gray, pink, tan, apricot and purplish red. Botswana Aga...
View full details
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$20.00
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$20.00
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$20.00
$20.00
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$20.00
Botswana Agate 6mm Round - 15-16 Inch
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$18.00
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$18.00
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$18.00
$18.00
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$18.00
Botswana Agate displays highly defined parallel banding, usually in white on hues of brown, gray, pink, tan, apricot and purplish red. Botswana Aga...
View full details
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$18.00
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$18.00
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$18.00
$18.00
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$18.00
Botswana Agate 6x8mm Tri Cut Faceted Rondelle - 15-16 Inch
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$35.00
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$35.00
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$35.00
$35.00
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$35.00
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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$35.00
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$35.00
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$35.00
$35.00
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$35.00
Botswana Agate 7x10 mm Table Cut Cube - 15-16 Inch
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$50.00
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$50.00
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$50.00
$50.00
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$50.00
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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$50.00
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$50.00
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$50.00
$50.00
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$50.00
Botswana Agate 8mm Round 15-16 Inch
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$24.00
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$24.00
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$24.00
$24.00
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$24.00
Botswana Agate displays highly defined parallel banding, usually in white on hues of brown, gray, pink, tan, apricot and purplish red. Botswana Aga...
View full details
Original price
$24.00
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Original price
$24.00
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$24.00
$24.00
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$24.00
Botswana Agate 8x10mm Tri Cut Faceted Rondelle - 15-16 Inch
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$34.00
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$34.00
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$34.00
$34.00
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$34.00
Botswana Agate displays highly defined parallel banding, usually in white on hues of brown, gray, pink, tan, apricot and purplish red. Botswana Aga...
View full details
Original price
$34.00
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Original price
$34.00
Original price
$34.00
$34.00
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$34.00
Botswana Agate Natural 6-7mm Table Cut Cube Bead - 15-16 Inch
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$35.00
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Original price
$35.00
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$35.00
$35.00
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$35.00
Botswana Agate displays highly defined parallel banding, usually in white on hues of brown, gray, pink, tan, apricot and purplish red. Botswana Aga...
View full details
Original price
$35.00
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Original price
$35.00
Original price
$35.00
$35.00
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$35.00
DZI Agate 8mm Round Circle Pattern Round 15-16 Inch
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$14.00
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Original price
$14.00
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$14.00
$14.00
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$14.00
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...
View full details
Original price
$14.00
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Original price
$14.00
Original price
$14.00
$14.00
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$14.00
Crazy Lace Agate 10mm Round - 15-16 Inch
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$20.00
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$20.00
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$20.00
$20.00
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$20.00
Crazy Lace Agate is named for its swirling and circular patterns. Crazy Lace Agate is often dyed to produce colors that do not naturally occur in t...
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Original price
$20.00
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Original price
$20.00
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$20.00
$20.00
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$20.00
Crazy Lace Agate 4mm Round - 15-16 Inch
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$12.00
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$12.00
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$12.00
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$12.00
Crazy Lace Agate is named for its swirling and circular patterns. Crazy Lace Agate is often dyed to produce colors that do not naturally occur in t...
View full details
Original price
$12.00
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Original price
$12.00
Original price
$12.00
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$12.00
Crazy Lace Agate 6mm Round - 15-16 Inch
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$14.00
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$14.00
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$14.00
$14.00
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$14.00
Crazy Lace Agate is named for its swirling and circular patterns. Crazy Lace Agate is often dyed to produce colors that do not naturally occur in t...
View full details
Original price
$14.00
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Original price
$14.00
Original price
$14.00
$14.00
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$14.00
Crazy Lace Agate 8mm Round - 15-16 Inch
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$15.00
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Original price
$15.00
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$15.00
$15.00
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$15.00
Crazy Lace Agate is a banded Chalcedony that naturally occurs as golden brown with layers of pink, red and gray in swirling circular patterns. It h...
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$15.00
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$15.00
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$15.00
$15.00
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$15.00
DZI Agate 13x30mm Cylinder 15-16 Inch
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$22.00
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Original price
$22.00
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$22.00
$22.00
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$22.00
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...
View full details
Original price
$22.00
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Original price
$22.00
Original price
$22.00
$22.00
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$22.00
DZI Agate Circle Pattern 10mm Round 15-16 Inch
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$16.00
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Original price
$16.00
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$16.00
$16.00
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$16.00
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...
View full details
Original price
$16.00
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Original price
$16.00
Original price
$16.00
$16.00
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$16.00
Terra Agate 25mm Puff Coin - 12-14 Inch
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$27.00
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Original price
$27.00
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$27.00
$27.00
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$27.00
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...
View full details
Original price
$27.00
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Original price
$27.00
Original price
$27.00
$27.00
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$27.00
GREEN Terra Agate 12mm Round - 15-16 Inch
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$18.00
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$18.00
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$18.00
$18.00
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$18.00
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...
View full details
Original price
$18.00
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Original price
$18.00
Original price
$18.00
$18.00
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$18.00
MATTE Purple Sardonyx (dyed) 10mm Star Cut Round - 15-16 Inch
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$20.00
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$20.00
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$20.00
$20.00
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$20.00
Sardonyx has a Sard base, typically of brown or black, with bands of white Onyx running through it. Sard is not Onyx, but rather a dark variety of ...
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Original price
$20.00
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Original price
$20.00
Original price
$20.00
$20.00
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$20.00
Mexican Laguna Lace Agate 10mm Round - 15-16 inch
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$26.00
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$26.00
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$26.00
$26.00
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$26.00
Mexican Laguna Lace Agate is one of the most prized agates in the world. It is a variety of banded Chalcedony with layers that may contain scarlet,...
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Original price
$26.00
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Original price
$26.00
Original price
$26.00
$26.00
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$26.00
Mexican Laguna Lace Agate 6mm Round - 15-16 inch
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$17.00
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$17.00
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$17.00
$17.00
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$17.00
Original price
$17.00
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$17.00
Original price
$17.00
$17.00
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$17.00
Mexican Laguna Lace Agate 8mm Round - 15-16 inch
Original price
$18.00
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Original price
$18.00
Original price
$18.00
$18.00
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$18.00
Mexican Laguna Lace Agate is one of the most prized agates in the world. It is a variety of banded Chalcedony with layers that may contain scarlet,...
View full details
Original price
$18.00
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Original price
$18.00
Original price
$18.00
$18.00
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$18.00
Moroccan Agate 10x16-22x50mm Top Drill Slab 15-16 Inch
Original price
$84.00
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Original price
$84.00
Original price
$84.00
$84.00
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$84.00
Moroccan Agate occurs in striking colors of red, white, golden tan, gray and purple, in a variety of swirling and linear patterns. Like other Agate...
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Original price
$84.00
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Original price
$84.00
Original price
$84.00
$84.00
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$84.00
Moss Agate 10mm Round - 15-16 Inch
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$16.00
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Original price
$16.00
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$16.00
$16.00
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$16.00
Moss Agate is a variety of Chalcedony, clear to milky white to dark green, with inclusions that appear in patterns similar to moss or lichen. The i...
View full details
Original price
$16.00
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Original price
$16.00
Original price
$16.00
$16.00
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$16.00
Moss Agate 4mm Round - 15-16 Inch
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$8.00
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$8.00
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$8.00
$8.00
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$8.00
Moss Agate is a variety of Chalcedony, clear to milky white to dark green, with inclusions that appear in patterns similar to moss or lichen. The i...
View full details
Original price
$8.00
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Original price
$8.00
Original price
$8.00
$8.00
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$8.00
Moss Agate 6mm Round 15-16 Inch
Original price
$9.00
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Original price
$9.00
Original price
$9.00
$9.00
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$9.00
Moss Agate is a variety of Chalcedony, clear to milky white to dark green, with inclusions that appear in patterns similar to moss or lichen. The i...
View full details
Original price
$9.00
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Original price
$9.00
Original price
$9.00
$9.00
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$9.00
Moss Agate 8mm Round 15-16 Inch
Original price
$11.00
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Original price
$11.00
Original price
$11.00
$11.00
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$11.00
Moss Agate is a variety of Chalcedony, clear to milky white to dark green, with inclusions that appear in patterns similar to moss or lichen. The i...
View full details
Original price
$11.00
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Original price
$11.00
Original price
$11.00
$11.00
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$11.00
Red Agate 6x8 Tri Cut Faceted Rondelle - 15-16 Inch
Original price
$25.00
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Original price
$25.00
Original price
$25.00
$25.00
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$25.00
Red Agate is a form of Chalcedony, made up of of smaller crystals, and often features color banding. Red Agate purportedly enhances mental function...
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$25.00
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$25.00
Original price
$25.00
$25.00
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$25.00
Red Botswana Agate 10mm Round - 15-16 Inch
Original price
$25.00
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Original price
$25.00
Original price
$25.00
$25.00
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$25.00
Red Botswana Agate displays highly defined parallel banding, usually in white on hues of brown, gray, pink, tan, apricot and purplish red. Botswana...
View full details
Original price
$25.00
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Original price
$25.00
Original price
$25.00
$25.00
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$25.00
Frequently asked questions
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What is a 16-inch strand and why is it the trade standard?
A 16-inch strand is the working length most US jewelry designers buy for design-grade work — necklaces, multi-strand layouts, and bulk component sourcing. It gives enough beads to lay out a full 18–20 inch necklace with clasp and findings, or to cut down into shorter assemblies without running short. The 16-inch length has been the trade default for decades because it standardizes pricing and bead-count math across stones and cuts. Dakota's 16-inch hub covers the full catalog at this length, across rounds, rondelles, faceted cuts, cubes, coins, and shape work. The bracelet counterpart is the 8-inch strand. -
How many beads per 16-inch strand at common sizes?
Approximate bead counts per 16-inch strand assume snug-strung beads with no spacer drift. At 2mm you get roughly 200 beads, at 3mm about 135, at 4mm about 100, at 6mm about 66, at 8mm about 50, at 10mm about 40, and at 12mm about 33. Faceted cuts, rondelles, and irregular shapes (pebble, nugget, coin) vary — count is driven by the bead's drilled axis, not its widest dimension. Exact count should be disclosed; ask before buying if a piece-count is critical for your design and isn't specified. -
16-inch vs 8-inch — which length for which project?
16-inch is the necklace and design-strand length: enough material for an 18–20 inch finished necklace, multi-strand torsades, long earring drops, or component cutting. 8-inch is the bracelet length: pre-cut to the wrist standard, sized for stretch-cord bracelets and single-wrap pieces. Designers running production bracelet lines typically buy 8-inch to skip the cut-down step; designers doing necklace work, statement pieces, or mixed assemblies buy 16-inch for the bead count and pricing efficiency. Both lengths share the same stones and cuts where stocked — the choice is about finished-piece geometry, not material grade. -
What stones and cuts does Dakota carry in 16-inch?
The 16-inch hub spans the full catalog. Most-stocked stones include agate, turquoise, quartz, jasper, tourmaline, moonstone, garnet, labradorite, opal, and amazonite, with deeper coverage across feldspar, chalcedony, and silica varieties. Cut coverage runs from smooth round and faceted round (the largest categories) through rondelle, microfaceted round, pebble and nugget, cube, table-cut cube, faceted cube, and coin. Standard sizes are 4mm, 6mm, 8mm, and 10mm, with 2mm and 3mm in microfaceted work and 12mm in larger statement rounds. Filter by stone, cut, or size to narrow the grid. -
How does Dakota measure 16-inch strand lengths?
Strand length is measured end-to-end along the drilled axis, beads strung snug with no gaps. A 16-inch strand can run 15.5 to 16.5 inches depending on bead shape and how the cutter finished the temporary string — irregular shapes (nugget, pebble, raw-faceted) sit at the looser end because the drill points don't always center on the bead's midline. Bead count per strand reflects this variance. Length and approximate count should be disclosed; if you need a tight tolerance for a calibrated production run, ask before buying so the team can pull and measure before shipping.