Calibrated Tourmaline Gemstones
Browse natural calibrated tourmaline gemstones in precise sizes, perfect for professional jewelry settings and custom designs.
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Bi-color Calibrated Tourmaline
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Black Calibrated Tourmaline
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Blue Calibrated Tourmaline
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Brown Calibrated Tourmaline
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Golden Calibrated Tourmaline
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Gray Calibrated Tourmaline
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Green Calibrated Tourmaline
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Multicolor Calibrated Tourmaline
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Orange Calibrated Tourmaline
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Pink Calibrated Tourmaline
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Purple Calibrated Tourmaline
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Red Calibrated Tourmaline
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Turquoise Calibrated Tourmaline
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Violet
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White
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Yellow Calibrated Tourmaline
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Single |
Pairs |
Lots |
Faceted |
Cabochons |
0.91ct Light Pink Tourmaline, Round, Transparent
6 mm (calibrated)
$ 18.17
0.70ct Light Bubblegum Pink Tourmaline, Round, Transparent
5 mm (calibrated)
$ 33.60
10.02ct Schorl Tourmaline, Emerald Cut, Opaque
15 x 10 mm (calibrated)
$ 60.12
0.41ct Light Pink Tourmaline, Round, Transparent
5 mm (calibrated)
$ 19.68
2.68ctw Bubblegum Pink Tone Tourmaline, Round, Transparent
6.5 mm (calibrated)
$ 53.52
2.44ct Yellowish Green Tourmaline, Oval, Transparent
9 x 7 mm (calibrated)
$ 50.39
3.30ctw Forest Green Tourmaline, Fancy, Translucent
4 x 4 mm (calibrated)
$ 25.41
0.60ct Warm Green Tourmaline, Round, Transparent
5 mm (calibrated)
$ 14.40
1.37ct Raspberry Pink Tourmaline, Oval, Transparent
8 x 6 mm (calibrated)
$ 28.30
0.95ct Medium Light Green Tourmaline, Round, Transparent
6 mm (calibrated)
$ 23.75
1.54ct Warm Green Tourmaline, Oval, VS
7 x 7 mm (calibrated)
$ 215.60
1.48ct Dark Green Tourmaline, Oval, Transparent
8 x 6 mm (calibrated)
$ 30.56
6.53ctw Multicolor Tourmaline, Briolette, VS-SI
6 x 4 mm (calibrated)
$ 114.93
1.55ct Medium Pink Tourmaline, Oval, Transparent
8 x 6 mm (calibrated)
$ 32.02
1.54ct Yellowish Green Tourmaline, Round, Transparent
6.5 mm (calibrated)
$ 31.80
2.19ct Deep Wine Red Tourmaline, Oval, Transparent
9 x 7 mm (calibrated)
$ 45.23
6.07ctw Bi-color Tourmaline, Fancy, Transparent
12 x 12 mm (calibrated)
$ 182.10
1.01ct Fruit Punch Red Tourmaline, Round, Transparent
6 mm (calibrated)
$ 20.17
12.28ct Schorl Tourmaline, Cushion, Opaque
14 x 12 mm (calibrated)
$ 52.61
1.60ct Medium Pink Tourmaline, Oval, Transparent
8 x 6 mm (calibrated)
$ 33.05
1.51ct Medium Green Tourmaline, Oval, Transparent
8 x 6 mm (calibrated)
$ 31.19
1.01ct Medium Pink Tourmaline, Round, Transparent
6.5 mm (calibrated)
$ 20.17
1.42ct Raspberry Pink Tourmaline, Round, Transparent
6.5 mm (calibrated)
$ 26.10
1.67ct Orange Pink Tourmaline, Oval, Transparent
8 x 6 mm (calibrated)
$ 34.49
Why Buy Calibrated Tourmaline from GemSelect?
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- Supplying natural gemstones to jewelers and collectors in 120+ countries
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Natural Calibrated Tourmaline Gemstones
Our natural calibrated tourmaline gemstones are carefully selected for color, clarity, and precision sizing, making them ideal for jewelry designs that require consistency and accuracy.
Loose Calibrated Tourmaline Online
Shop loose calibrated tourmaline online at GemSelect with confidence. Choose from a wide variety of colors, shapes, and exact measurements suitable for standard jewelry settings.
Tourmaline for Jewelry Mountings
Calibrated tourmaline stones are cut to fit common jewelry mountings, helping jewelers save time and achieve professional, balanced designs for rings, earrings, and pendants.
Multi-Color Tourmaline Selection
Tourmaline is famous for its wide color range, from green and pink to blue and bi-color varieties. Calibrated sizing lets you mix colors easily while keeping design symmetry.
Faceted Calibrated Tourmaline
Faceted calibrated tourmaline offers excellent brilliance and sparkle. Popular shapes include oval, round, cushion, and pear cuts that work well in ready-made settings.
Matching Calibrated Tourmaline Pairs
Matching calibrated pairs are perfect for earrings or symmetrical jewelry projects, ensuring both stones share similar size, shape, and visual balance.
Wholesale Calibrated Tourmaline Stones
Buy wholesale calibrated tourmaline gemstones for jewelry production or retail collections. Consistent sizing makes bulk purchasing efficient and reliable for manufacturers.
Durability and Everyday Wear
Tourmaline has a Mohs hardness of 7 to 7.5, making it suitable for everyday jewelry when properly set and cared for, offering both beauty and practicality.
Precise Sizes for Easy Setting
Calibrated tourmaline gemstones are available in standard sizes such as 5 mm, 6 mm, or 8 x 6 mm, helping jewelers fit stones quickly into pre-made mountings.
Learn more about the history, varieties, and properties of tourmaline on our Tourmaline Information Page.
FAQs
What does calibrated tourmaline mean?
Calibrated tourmaline refers to gemstones cut to precise standard dimensions so they fit common jewelry settings without custom modification.
Are GemSelect calibrated tourmaline gemstones natural?
Yes, all tourmaline gemstones are natural, and any treatments are clearly disclosed to ensure full transparency for buyers.
Why choose calibrated gemstones for jewelry making?
Calibrated gemstones simplify jewelry production because they fit standardized mountings, reducing labor time and improving consistency across designs.
What colors are available in calibrated tourmaline?
Tourmaline comes in many colors including green, pink, blue, yellow, and bi-color varieties, offering flexible design possibilities.
Can I buy calibrated tourmaline in matching pairs?
Yes, matching pairs are available and are ideal for earrings or designs requiring symmetry in size, shape, and color.
What sizes are common for calibrated tourmaline?
Common sizes include rounds like 4 mm to 7 mm and ovals such as 7 x 5 mm or 8 x 6 mm, making them easy to use in standard settings.
GemSelect Certified Store Reviews
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 10 
It was all good
Overall Rating -> 10
Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.
Overall Rating -> 10
Love how easy the site is to use. Really love that the pictures are of actual product.
Overall Rating -> 10
Great experience. I can't wait to explore on the website further.
Overall Rating -> 9 
I love wide range of stones. Always have my preference.
Overall Rating -> 10
Easy and good price
