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Gemtype Color Shape Weight Size Clarity Price Origin
You Selected (9990): Brazilian Quartz Gems - Onyx, Shop Amethyst at GemSelect, Ametrine, Smoky Quartz, Citrine, Quartz, Rose Quartz, Chalcedony, Jasper, Mystic Quartz, Agate, Aventurine, Rutile Quartz, Tiger's Eye, Star Rose Quartz, Fire Agate, Chrysoprase, Dendritic Agate, Carnelian, Bloodstone, Cat's Eye Quartz, Agate Geode, Tiger's Eye Matrix, Fossil Coral, Peanut Wood, Strawberry Quartz, Dumortierite Quartz, Pietersite, Star Lemon Quartz, Dendritic Chalcedony, Hawk's Eye, Amethyst Geode, Citrine Geode Clear All
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5ct Round Facet Brown Smoky Quartz Gem (ID: 463980)
4.95 ct Smoky Quartz
11.7 mm
$ 7.43
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2 pcs
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2.2ct Oval Facet Yellow Citrine Gem (ID: 433976)
2.23 ct (total 4.46ctw) Citrine
10.1 x 8 mm
$ 22.30
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6.5ct Pear Facet Violet Amethyst Gem (ID: 475668)
6.51 ct Amethyst
15.9 x 11.8 mm
$ 45.57
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2 pcs
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3.2ct Fantasy Carved Flower Lemon Quartz Gem (ID: 496590)
3.24 ct (total 6.48ctw) Quartz
11.6 x 11.5 mm
$ 19.44
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32.6ct Octagon Step Cut Bi-color Ametrine Gem (ID: 458166)
32.59 ct Ametrine
17.2 x 16.7 mm
$ 258.76
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2 pcs
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0.9ct Square Step-Cut Violet Amethyst Gem (ID: 457898)
0.93 ct (total 1.85ctw) Amethyst
6 x 5.9 mm
$ 12.95
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4 pcs
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1ct Heart Facet Yellow Golden Citrine Gem (ID: 355991)
0.99 ct (total 3.95ctw) Citrine
7.1 x 7 mm
$ 19.75
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82.1ct Pear Facet Yellow Golden Citrine Gem (ID: 496982)
82.12 ct Citrine
35.8 x 24 mm
$ 574.84
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4 pcs
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0.9ct Carved Flower Lemon Quartz Gem (ID: 485522)
0.92 ct (total 3.66ctw) Quartz
7.1 x 6.5 mm
$ 12.81
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4 pcs
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3.9ct Briolette with Hole Pink Rose Quartz Gem (ID: 484586)
3.94 ct (total 15.77ctw) Rose Quartz
11.9 x 7.8 mm
$ 31.54
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3.3ct Octagon Facet Bi-color Ametrine Gem (ID: 442425)
3.32 ct Ametrine
8 x 8.2 mm
$ 16.60
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57.7ct Fancy Crystal Cluster Yellow Golden Citrine Geode Gem (ID: 391760)
57.68 ct Citrine Geode
35.5 x 18.8 mm
$ 57.68
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10 pcs
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0.4ct Oval Facet Violet Amethyst Gem (ID: 357499)
0.41 ct (total 4.12ctw) Amethyst
6.1 x 4.1 mm
$ 20.60
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212.9ct Oval Checkerboard Lemon Quartz Gem (ID: 339145)
212.85 ct Quartz
41.7 x 31.6 mm
$ 440.60
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21.2ct Round Cabochon Violet Amethyst Gem (ID: 391467)
21.15 ct Amethyst
18 mm
$ 105.75
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39.3ct Oval Portuguese-Cut Bi-Color Ametrine Gem (ID: 473963)
39.31 ct Ametrine
22.5 x 17.4 mm
$ 235.86
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1.5ct Carved Heart White Quartz Gem (ID: 470535)
1.53 ct Quartz
7.5 x 7.6 mm
$ 2.39
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2 pcs
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3.9ct Oval Cabochon Brown Smoky Quartz Gem (ID: 469354)
3.94 ct (total 7.88ctw) Smoky Quartz
11.1 x 9.2 mm
$ 7.88
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3.4ct Round Facet Brown Smoky Quartz Gem (ID: 463958)
3.44 ct Smoky Quartz
10.3 mm
$ 5.16
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3.4ct Octagon Facet Bi-Color Ametrine Gem (ID: 441981)
3.43 ct Ametrine
8.2 x 7.8 mm
$ 17.15
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2 pcs
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7.1ct Octagon Step Cut Yellow Golden Citrine Gem (ID: 500830)
7.06 ct (total 14.11ctw) Citrine
14.1 x 10.2 mm
$ 82.83
Item in Stock
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Brazilian Quartz Gems
Brazil is an important source for several gem types, including topaz, emerald and quartz gemstones. Quartz gemstones include crystal quartz, amethyst, amethyst geode, ametrine, citrine, citrine geode, smoky quartz, rose quartz, star rose quartz, lemon quartz, star lemon quartz, quartz cat's eye, citrine geode and citrine. Quartz gemstones are great for statement jewelry pieces, such as large pendants and cocktail rings. Quartz is one of the most popular gemstone groups in the world, with a wealth of great jewelry gemstones, whether opaque, transparent, translucent, faceted or cut en cabochon, in singles, lots and matched pairs. There is a quartz gemstone to suit everyone, with affordable quartz gems available in large sizes. Quartz is thought to be a beneficial healing gemstone. Amethyst is the birthstone for those born in February, while citrine is a birthstone for November. Citrine is also believed to emit positive energy and is popular as a "merchant's stone". To find the Brazilian quartz gemstones you seek, filter the results further by using the left-hand menu. By using the top menu, you can search by gem variety, carat weight, size, price and other factors, to enable you to find the exact quartz gems that you are looking for. All items are in stock and ready to be shipped.
Certified Customer Reviews
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first purchase, this is a test
Posted By Bob in September, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
I have purchased from Gemselect before, the shopping is easy, clear and quick. You have a wide range of products so I can adjust what I want to how much I can spend! The photos of the gems are beautiful and make it easy to choose the one suits me best! I honestly cannot fault you in any way at all! The delivery is always timely too! You guys rock! ;)
Posted By Ljimac1883 in September, 2018
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Overall Rating -> 10 star ratings
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Overall Rating -> 10 star ratings
Easy to use. and fast shipping
Posted By Jj in September, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
Gem Select is a wonderful site for a small business it took us a little time to get acquainted with the site but it all works well. We are happy with the quality and the merchandise and the certificate option.
Posted By Paddy whack in September, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
Easy to use and informative website. There was more than ample information provided about the gemstones and the process.
Posted By Kathy in September, 2018
Source: Bizrate
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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