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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (163): Giant-Sized Tourmaline Tourmaline, Cat's Eye Tourmaline, Paraiba Tourmaline, Chrome Tourmaline, Rubellite Tourmaline, Verdite Gems Clear All
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ID: 3488541 pcs
thumb image of 54.5ct Barrel Black Tourmaline (ID: 348854)
54.49ct Tourmaline
35.15 x 15.73 x 11.37mm
USD 272.45
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ID: 3480751 pcs
thumb image of 28.5ct Oval Checkerboard Black Tourmaline (ID: 348075)
28.53ct Tourmaline
19.01 x 16.01 x 13.60mm
USD 142.65
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ID: 4171881 pcs
thumb image of 7.3ct Oval Facet Golden Green Tourmaline (ID: 417188)
7.34ct Tourmaline
13.07 x 10.10 x 7.79mm
USD 1468.00
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ID: 3636111 pcs
thumb image of 30.2ct Oval Facet Black Tourmaline (ID: 363611)
30.22ct Tourmaline
17.91 x 15.80 x 14.31mm
USD 151.10
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ID: 3480401 pcs
thumb image of 74.7ct Oval Facet Black Tourmaline (ID: 348040)
74.70ct Tourmaline
27.53 x 23.47 x 16.59mm
USD 373.50
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ID: 3621451 pcs
thumb image of 46.7ct Cushion-Cut Black Tourmaline (ID: 362145)
46.72ct Tourmaline
24.21 x 19.85 x 13.87mm
USD 176.60
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ID: 4465041 pcs
thumb image of 6.6ct Cushion-Cut Golden Green Tourmaline (ID: 446504)
6.58ct Tourmaline
10.44 x 10.08 x 7.95mm
USD 921.20
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ID: 3483141 pcs
thumb image of 32.3ct Oval Checkerboard Black Tourmaline (ID: 348314)
32.34ct Tourmaline
19.93 x 16.43 x 14.80mm
USD 161.70
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ID: 3483131 pcs
thumb image of 31ct Oval Checkerboard Black Tourmaline (ID: 348313)
30.97ct Tourmaline
19.18 x 16.73 x 14.75mm
USD 154.85
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ID: 3635391 pcs
thumb image of 17.5ct Octagon / Scissor Cut Black Tourmaline (ID: 363539)
17.54ct Tourmaline
19.88 x 11.77 x 8.82mm
USD 87.70
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ID: 3493591 pcs
thumb image of 30.4ct Baguette / Scissor Cut Black Tourmaline (ID: 349359)
30.39ct Tourmaline
30.00 x 10.83 x 9.19mm
USD 151.95
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ID: 3488571 pcs
thumb image of 81.8ct Oval Checkerboard Black Tourmaline (ID: 348857)
81.75ct Tourmaline
27.47 x 22.74 x 19.55mm
USD 408.75
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ID: 3487421 pcs
thumb image of 24.5ct Oval Facet Black Tourmaline (ID: 348742)
24.48ct Tourmaline
20.16 x 16.21 x 10.53mm
USD 122.40
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ID: 3623881 pcs
thumb image of 20.5ct Octagon Checkerboard Black Tourmaline (ID: 362388)
20.46ct Tourmaline
22.13 x 11.07 x 9.79mm
USD 102.30
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ID: 3481971 pcs
thumb image of 52.9ct Baguette / Scissor Cut Black Tourmaline (ID: 348197)
52.89ct Tourmaline
27.20 x 15.95 x 13.92mm
USD 264.45
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ID: 4164631 pcs
thumb image of 12.3ct Oval Facet Golden Green Tourmaline (ID: 416463)
12.25ct Tourmaline
15.68 x 12.83 x 9.09mm
USD 2450.00
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ID: 3480791 pcs
thumb image of 9.9ct Oval Facet Black Tourmaline (ID: 348079)
9.91ct Tourmaline
14.90 x 12.12 x 7.94mm
USD 49.55
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ID: 3488441 pcs
thumb image of 61.5ct Octagon / Scissor Cut Black Tourmaline (ID: 348844)
61.48ct Tourmaline
33.57 x 15.81 x 12.30mm
USD 307.40
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ID: 4171891 pcs
thumb image of 8.8ct Oval Facet Greenish Golden Tourmaline (ID: 417189)
8.76ct Tourmaline
13.83 x 12.75 x 7.04mm
USD 876.00
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ID: 3488401 pcs
thumb image of 24.2ct Pear Checkerboard Black Tourmaline (ID: 348840)
24.20ct Tourmaline
20.56 x 17.16 x 11.34mm
USD 121.00
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ID: 4341781 pcs
thumb image of 29.8ct Cushion Checkerboard Black Tourmaline (ID: 434178)
29.84ct Tourmaline
19.79 x 15.08 x 13.54mm
USD 113.09
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Giant-Sized Tourmaline
Browse large tourmaline gemstones weighing up to 100 carats, in a rainbow of colors, including black (also known as schorl), pink, bicolor and green. Large tourmaline gemstones are available as faceted gems in many shapes and styles, and also cut en cabochon. Large tourmaline gemstones are perfect for collectors or for statement jewelry, such as cocktail rings, oversized pendants and brooches. From this page, you can filter the results further by using the left-hand menu. For instance, you can shop by color, or shape. Using the check boxes at the top, results can be narrowed even further by single, pairs, faceted or cabochon gems. By using the top menu, you can search by origin, carat weight, size, price and other factors to find the exact tourmaline gemstones that you require for your jewelry. Buy giant-sized tourmaline gems online conveniently at GemSelect. All items are available and ready to be shipped.
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Size and Weight

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
except for round stones which are;
diameter x depth

Select gems by size, not by weight!
Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

Size Comparison Chart