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 |
0.63ct Pale Lime Green Tourmaline, Round, Transparent
5 mm (calibrated)
$ 15.12
1.80ct Deep Pink Tourmaline, Round, Transparent
7 mm (calibrated)
$ 35.94
9.87ct Schorl Tourmaline, Oval, Opaque
14 x 12 mm (calibrated)
$ 59.22
1.74ctw Medium-Dark Brown Tourmaline, Oval, VVS
8 x 5 mm (calibrated)
$ 104.20
0.65ct Medium Pink Tourmaline, Round, Transparent
5 mm (calibrated)
$ 31.20
9.78ct Schorl Tourmaline, Emerald Cut, Opaque
15 x 10 mm (calibrated)
$ 58.68
1.37ct Medium Green Tourmaline, Oval, Transparent
8 x 6 mm (calibrated)
$ 27.36
1.46ct Very Dark Green Tourmaline, Emerald Cut, VVS
7 x 5 mm (calibrated)
$ 47.99
1.52ct Olive Green Tourmaline, Round, VS
7 mm (calibrated)
$ 255.36
0.70ct Earthy Pink Tourmaline, Round, Transparent
5.5 mm (calibrated)
$ 33.60
1.97ctw Rose Pink Tourmaline, Round, Transparent
6 mm (calibrated)
$ 39.34
6.75ct Schorl Tourmaline, Oval, Opaque
12 x 10 mm (calibrated)
$ 40.50
11.12ct Schorl Tourmaline, Oval, Opaque
16 x 12 mm (calibrated)
$ 66.72
1.35ct Orangish Pink Tourmaline, Oval, Transparent
8 x 6 mm (calibrated)
$ 26.95
0.64ct Yellow Green Tourmaline, Round, Transparent
5 mm (calibrated)
$ 15.36
1.18ct Peach Rose Tourmaline, Round, Transparent
6.5 mm (calibrated)
$ 23.57
1.84ct Earthy Pink Tourmaline, Round, Transparent
7 mm (calibrated)
$ 38.00
17.86ct Schorl Tourmaline, Cushion, Opaque
15 x 15 mm (calibrated)
$ 76.51
1.49ct Hot Pink Tourmaline, Round, VS
6.5 mm (calibrated)
$ 250.32
1.33ct Yellowish Green Tourmaline, Round, Transparent
7 mm (calibrated)
$ 27.47
12.24ct Schorl Tourmaline, Cushion, Opaque
16 x 12 mm (calibrated)
$ 73.44
0.84ct Light Pear Green Tourmaline, Round, Transparent
6 mm (calibrated)
$ 16.78
1.80ct Light Green Tourmaline, Round, Transparent
7 mm (calibrated)
$ 33.10
1.82ct Medium Pink Tourmaline, Oval, VS
9 x 7 mm (calibrated)
$ 254.80
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 
Easy to conduct search, good amount of stock to select from along with variety of prices.
Overall Rating -> 10
My experience was done with ease
Overall Rating -> 10
I can pick and choose from large selection and find just what I need for .y projects, currently my cane.
Overall Rating -> 10
All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.
Overall Rating -> 10
Great site for finding specific stones and sizes for individual pieces of jewelry
Overall Rating -> 10
The website was very easy to use.
