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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (168): Giant-Sized Tourmaline Tourmaline, Cat's Eye Tourmaline, Paraiba Tourmaline, Chrome Tourmaline, Rubellite Tourmaline, Verdite Gems Clear All
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ID: 3477861 pcs
28.81ct Tourmaline
21.28 x 17.21 x 12.15mm
USD 144.05
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ID: 3642201 pcs
22.74ct Tourmaline
20.73 x 11.55 x 10.58mm
USD 88.69
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ID: 3488621 pcs
22.20ct Tourmaline
19.52 x 15.63 x 9.74mm
USD 111.00
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ID: 3635461 pcs
20.66ct Tourmaline
18.39 x 13.12 x 9.51mm
USD 103.30
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ID: 3624831 pcs
23.59ct Tourmaline
27.19 x 10.41 x 8.52mm
USD 117.95
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ID: 3624811 pcs
34.46ct Tourmaline
31.09 x 10.64 x 9.90mm
USD 172.30
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ID: 3662091 pcs
39.73ct Tourmaline
21.81 x 17.85 x 15.69mm
USD 155.34
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ID: 3488591 pcs
34.95ct Tourmaline
26.10 x 13.30 x 10.77mm
USD 174.75
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ID: 3608141 pcs
15.22ct Tourmaline
19.92 x 13.60 x 7.84mm
USD 248.54
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ID: 3497571 pcs
45.45ct Tourmaline
40.48 x 11.51 x 10.63mm
USD 227.25
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ID: 3480751 pcs
28.53ct Tourmaline
19.01 x 16.01 x 13.60mm
USD 142.65
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ID: 4341781 pcs
29.84ct Tourmaline
19.79 x 15.08 x 13.54mm
USD 113.09
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ID: 3621641 pcs
16.56ct Tourmaline
20.13 x 13.49 x 10.16mm
USD 62.60
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ID: 2996271 pcs
3.22ct Tourmaline
13.01 x 10.81 x 2.07mm
USD 54.68
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ID: 3492851 pcs
12.00ct Tourmaline
16.36 x 13.16 x 7.28mm
USD 60.00
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ID: 3651251 pcs
27.02ct Tourmaline
25.75 x 12.22 x 9.01mm
USD 104.84
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ID: 4164671 pcs
8.02ct Tourmaline
14.35 x 10.05 x 6.65mm
USD 2807.00
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ID: 3488291 pcs
20.25ct Tourmaline
20.73 x 11.68 x 9.71mm
USD 101.25
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ID: 3642221 pcs
54.26ct Tourmaline
27.13 x 19.62 x 15.14mm
USD 211.61
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ID: 3479231 pcs
61.64ct Tourmaline
24.93 x 22.34 x 16.23mm
USD 308.20
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ID: 3488261 pcs
12.54ct Tourmaline
13.72 x 12.61 x 10.49mm
USD 62.70
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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