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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (170): Giant-Sized Tourmaline Tourmaline, Cat's Eye Tourmaline, Paraiba Tourmaline, Chrome Tourmaline, Rubellite Tourmaline, Verdite Gems Clear All
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ID: 3488711 pcs
23.98ct Tourmaline
19.98mm x 17.30mm x 12.35mm
USD 119.90
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ID: 3488571 pcs
81.75ct Tourmaline
27.47mm x 22.74mm x 19.55mm
USD 408.75
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ID: 3624881 pcs
17.55ct Tourmaline
21.43mm x 11.82mm x 7.32mm
USD 87.75
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ID: 2996271 pcs
3.22ct Tourmaline
13.01mm x 10.81mm x 2.07mm
USD 54.68
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ID: 3488321 pcs
34.22ct Tourmaline
19.17mm x 13.94mm
USD 171.10
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ID: 3497411 pcs
20.73ct Tourmaline
19.43mm x 15.99mm x 10.53mm
USD 103.65
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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: 3488731 pcs
19.13ct Tourmaline
15.82mm x 14.69mm x 13.95mm
USD 95.65
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ID: 3493601 pcs
19.96ct Tourmaline
20.40mm x 13.70mm x 7.76mm
USD 99.80
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ID: 3488231 pcs
26.14ct Tourmaline
19.18mm x 16.63mm x 12.12mm
USD 130.70
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ID: 3488201 pcs
24.64ct Tourmaline
18.70mm x 14.32mm x 12.72mm
USD 123.20
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ID: 3488301 pcs
59.94ct Tourmaline
24.07mm x 19.80mm x 17.10mm
USD 299.70
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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: 3483121 pcs
29.61ct Tourmaline
19.81mm x 17.17mm x 13.51mm
USD 148.05
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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: 3488341 pcs
34.12ct Tourmaline
28.49mm x 12.18mm x 10.74mm
USD 170.60
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ID: 3642191 pcs
19.79ct Tourmaline
19.46mm x 12.80mm x 8.90mm
USD 77.18
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ID: 3492801 pcs
18.25ct Tourmaline
16.93mm x 14.60mm x 10.31mm
USD 91.25
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ID: 3621451 pcs
46.72ct Tourmaline
24.21mm x 19.85mm x 13.87mm
USD 176.60
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ID: 3488421 pcs
52.89ct Tourmaline
25.72mm x 21.41mm x 12.30mm
USD 264.45
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ID: 3507521 pcs
39.84ct Tourmaline
32.90mm x 12.95mm x 10.22mm
USD 199.20
Item in Stock
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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