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Gemtype Color Shape Weight Size Clarity Price Origin
You Selected (106): Giant-Sized Tourmaline - Tourmaline, Cat's Eye Tourmaline, Paraiba Tourmaline, Chrome Tourmaline, Rubellite Tourmaline, Verdite Clear All
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12.3ct Oval Facet Golden Green Tourmaline Gem (ID: 416463)
12.25 ct Tourmaline
15.7 x 12.8 mm
$ 2,450.00
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13.1ct Octagon Step Cut Bi-color Tourmaline Gem (ID: 402789)
13.13 ct Tourmaline
12.3 x 11.5 mm
$ 2,109.50
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25.9ct Baguette / Scissor Cut Black Tourmaline Gem (ID: 370510)
25.86 ct Tourmaline
26.1 x 10.5 mm
$ 71.11
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7.3ct Oval Facet Golden Green Tourmaline Gem (ID: 417188)
7.34 ct Tourmaline
13.1 x 10.1 mm
$ 1,468.00
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6.6ct Cushion-Cut Golden Green Tourmaline Gem (ID: 446504)
6.58 ct Tourmaline
10.4 x 10.1 mm
$ 921.20
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14ct Oval Facet Green Tourmaline Gem (ID: 412591)
14.01 ct Tourmaline
18.5 x 13.3 mm
$ 770.55
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5ct Oval Checkerboard Yellowish Green Tourmaline Gem (ID: 416462)
5.00 ct Tourmaline
12.9 x 10.2 mm
$ 750.00
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5.7ct Fantasy Carved Leaf Bi-color Tourmaline Gem (ID: 472934)
5.73 ct (total 11.45ctw) Tourmaline
19 x 10.3 mm
$ 114.50
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31.1ct Carved Flower Deep Red Tourmaline Gem (ID: 472935)
31.08 ct (total 62.15ctw) Tourmaline
37.3 x 37.1 mm
$ 621.50
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33ct Carved Flower Multicolor Tourmaline Gem (ID: 472936)
32.95 ct (total 65.90ctw) Tourmaline
35.5 x 25.2 mm
$ 659.00
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46.8ct Octagon / Scissor Cut Black Tourmaline Gem (ID: 362146)
46.83 ct Tourmaline
28.9 x 14.6 mm
$ 128.78
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14ct Carved Leaf Bluish Green Tourmaline Gem (ID: 472933)
14.01 ct (total 28.02ctw) Tourmaline
21.2 x 16.4 mm
$ 280.20
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52.9ct Oval Facet Black Tourmaline Gem (ID: 348842)
52.89 ct Tourmaline
25.7 x 21.4 mm
$ 264.45
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7ct Carved Flower Green Blue Tourmaline Gem (ID: 472722)
6.97 ct Tourmaline
16.1 x 14.6 mm
$ 69.70
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88.8ct Oval Facet Black Tourmaline Gem (ID: 347921)
88.82 ct Tourmaline
29.1 x 24.8 mm
$ 240.25
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26.1ct Octagon / Scissor Cut Black Tourmaline Gem (ID: 348847)
26.05 ct Tourmaline
25 x 10.7 mm
$ 71.64
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23.6ct Octagon / Scissor Cut Black Tourmaline Gem (ID: 362483)
23.59 ct Tourmaline
27.2 x 10.4 mm
$ 88.46
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10.9ct Carved Flower Bi-color Tourmaline Gem (ID: 472642)
10.85 ct Tourmaline
19.4 x 18.2 mm
$ 108.50
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22.5ct Cushion-Cut Black Tourmaline Gem (ID: 348837)
22.46 ct Tourmaline
18 x 15.1 mm
$ 61.77
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34.5ct Octagon / Scissor Cut Black Tourmaline Gem (ID: 362481)
34.46 ct Tourmaline
31.1 x 10.6 mm
$ 129.22
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Click for Product Video (472838)
13.8ct Carved Flower Bi-color Tourmaline Gem (ID: 472838)
13.81 ct Tourmaline
24.2 x 18 mm
$ 138.10
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.
Certified Customer Reviews
Overall Rating -> 10 star ratings
I have been using GemSelect for at lest five years and I have no complaints!
Posted By in October, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
This site always has beautiful stones to choose from and you will get the actual gem that is pictured. The shipping is fast and reasonably priced.
Posted By CAC in October, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
I have not gotten my gems, but when i do i will be very happy, yet i did not like you had to pay $15 extra for faster shipping
Posted By Jack in October, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
I love GemSelect, personally. I browse their site almost daily to see all the new stones available. Their selection is pretty amazing. The quality isn't always the highest and the cut of the stones isn't always perfect. But for the price, and if you look hard enough, you can find a real gem, so to speak.
Posted By Patrick in September, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
I would recommend to a friend because of the quality of the products purchased. The gemstone quality is very high and the gems purchased are beautiful. Any friends interested in having custom jewelry made would definitely be recommended to the site. Also, every shipment is handled with care and I am very pleased with that.
Posted By Isaiah in September, 2018
Source: Bizrate
Overall Rating -> 9 star ratings
Gem Select has an excellent selection of gemstones, including some rare ones. Prices are as expected.
Posted By Mike in September, 2018
Source: Bizrate
Popular Gemstones
All Gemstones (141)
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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