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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (174): Giant-Sized Tourmaline Tourmaline, Cat's Eye Tourmaline, Paraiba Tourmaline, Chrome Tourmaline, Rubellite Tourmaline, Verdite Gems Clear All
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ID: 3488501 pcs
45.36ct Tourmaline
27.43mm x 14.28mm x 13.34mm
USD 226.80
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ID: 3488221 pcs
20.48ct Tourmaline
19.54mm x 15.14mm x 10.25mm
USD 102.40
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ID: 3497571 pcs
45.45ct Tourmaline
40.48mm x 11.51mm x 10.63mm
USD 227.25
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ID: 3624811 pcs
34.46ct Tourmaline
31.09mm x 10.64mm x 9.90mm
USD 172.30
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ID: 3636161 pcs
24.99ct Tourmaline
18.76mm x 13.93mm x 13.53mm
USD 124.95
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ID: 3636071 pcs
25.20ct Tourmaline
26.08mm x 11.65mm x 8.84mm
USD 126.00
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ID: 3488631 pcs
55.53ct Tourmaline
27.92mm x 16.09mm x 14.03mm
USD 277.65
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ID: 3624791 pcs
84.91ct Tourmaline
27.61mm x 26.00mm x 18.67mm
USD 424.55
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ID: 3662091 pcs
39.73ct Tourmaline
21.81mm x 17.85mm x 15.69mm
USD 155.34
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ID: 3477871 pcs
32.33ct Tourmaline
21.05mm x 16.08mm x 12.10mm
USD 161.65
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ID: 3446151 pcs
37.68ct Tourmaline
52.37mm x 10.65mm x 6.38mm
USD 188.40
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ID: 3488521 pcs
60.98ct Tourmaline
26.47mm x 20.77mm x 15.06mm
USD 304.90
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ID: 3519081 pcs
10.02ct Tourmaline
13.50mm x 12.09mm x 8.69mm
USD 50.10
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ID: 3480821 pcs
11.25ct Tourmaline
14.93mm x 12.82mm x 8.67mm
USD 56.25
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ID: 3625121 pcs
15.82ct Tourmaline
15.68mm x 13.27mm x 11.16mm
USD 79.10
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ID: 3488261 pcs
12.54ct Tourmaline
13.72mm x 12.61mm x 10.49mm
USD 62.70
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ID: 3483141 pcs
32.34ct Tourmaline
19.93mm x 16.43mm x 14.80mm
USD 161.70
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ID: 3488491 pcs
35.23ct Tourmaline
30.66mm x 13.72mm x 8.88mm
USD 176.15
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ID: 4171891 pcs
8.76ct Tourmaline
13.83mm x 12.75mm x 7.04mm
USD 876.00
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ID: 3480721 pcs
20.53ct Tourmaline
18.07mm x 11.45mm x 10.24mm
USD 102.65
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ID: 4171881 pcs
7.34ct Tourmaline
13.07mm x 10.10mm x 7.79mm
USD 1468.00
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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