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Home Gemstones Calibrated Tourmaline

Calibrated Tourmaline Gemstones

Browse natural calibrated tourmaline gemstones in precise sizes, perfect for professional jewelry settings and custom designs.

Calibrated Tourmaline Weight
Calibrated Tourmaline Size
Calibrated Tourmaline Clarity
Calibrated Tourmaline Price

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color Calibrated Tourmaline
Black Calibrated Tourmaline
Blue Calibrated Tourmaline
Brown Calibrated Tourmaline
Golden Calibrated Tourmaline
Gray Calibrated Tourmaline
Green Calibrated Tourmaline
Multicolor Calibrated Tourmaline
Orange Calibrated Tourmaline
Pink Calibrated Tourmaline
Purple Calibrated Tourmaline
Red Calibrated Tourmaline
Turquoise Calibrated Tourmaline
Violet
White
Yellow Calibrated Tourmaline
Single
Pairs
Lots
Faceted
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0.78ct Green Tourmaline, Round, Transparent

6 mm (calibrated)

$ 12.93

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1.57ct Yellow Tourmaline, Oval, Transparent

8 x 6 mm (calibrated)

$ 26.91

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1.15ct Pink Tourmaline, Round, Transparent

6 mm (calibrated)

$ 17.50

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0.65ct Green Tourmaline, Round, Transparent

5 mm (calibrated)

$ 12.95

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1.70ct Pink Tourmaline, Oval, Transparent

8 x 6 mm (calibrated)

$ 28.18

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2.21ctw Pink Tourmaline, Round, Transparent

6.5 mm (calibrated)

$ 36.62

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0.66ct Green Tourmaline, Round, Transparent

5 mm (calibrated)

$ 10.96

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0.59ct Pink Tourmaline, Round, Transparent

5 mm (calibrated)

$ 23.51

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1.05ct Pink Tourmaline, Round, Transparent

6 mm (calibrated)

$ 41.83

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1.02ct Pink Tourmaline, Round, Transparent

6 mm (calibrated)

$ 16.90

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0.71ct Green Tourmaline, Round, Transparent

5 mm (calibrated)

$ 14.14

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1.71ct Pink Tourmaline, Oval, Transparent

9 x 7 mm (calibrated)

$ 28.34

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0.69ct Yellow Tourmaline, Round, Transparent

5 mm (calibrated)

$ 13.74

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1.49ct Green Tourmaline, Round, Transparent

7 mm (calibrated)

$ 25.54

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1.75ct Pink Tourmaline, Cushion, VS-SI

7 x 7 mm (calibrated)

$ 261.45

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0.84ct Green Tourmaline, Round, Transparent

6 mm (calibrated)

$ 13.93

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3.41ct Pink Tourmaline, Emerald Cut, SI

9 x 7 mm (calibrated)

$ 127.36

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1.76ct Pink Tourmaline, Oval, VS

8 x 6 mm (calibrated)

$ 224.96

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1.28ct Pink Tourmaline, Oval, Transparent

8 x 6 mm (calibrated)

$ 21.21

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1.49ct Green Tourmaline, Round, Transparent

6.5 mm (calibrated)

$ 24.69

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1.13ct Green Tourmaline, Round, Transparent

6.5 mm (calibrated)

$ 18.72

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0.66ct Pink Tourmaline, Round, Transparent

5 mm (calibrated)

$ 9.43

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1.76ct Pink Tourmaline, Cushion, Transparent

7 x 7 mm (calibrated)

$ 22.76

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2.01ct Green Tourmaline, Flower Cut, Translucent

10 x 8 mm (calibrated)

$ 18.35

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Why Buy Calibrated Tourmaline from GemSelect?

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.

Loose Calibrated Tourmaline Gemstones for 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 star ratings

A pleasant experience and many choices to choose from

Posted By Krackenking in November, 2025
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Overall Rating -> 10 star ratings

Love how easy the site is to use. Really love that the pictures are of actual product.

Posted By LeAnn in January, 2026
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Overall Rating -> 10 star ratings

It's mostly good, only some item's are easier to find through the search than the menu

Posted By Wayne in July, 2025
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Overall Rating -> 10 star ratings

Great prices!!! High quality gemstones.

Posted By Ricky in October, 2025
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Overall Rating -> 10 star ratings

It's always a pleasure doing business with Gem Select. Outstanding products ant very reasonable prices. Thank You One and All.

Posted By G.W. or Bakyow in July, 2025
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Overall Rating -> 10 star ratings

Very good

Posted By Niska in August, 2025
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