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Gemtype Color Shape Weight Size Clarity Price Origin
You Selected (2020): Huge Gems Clear All
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Bi-Color Ametrine Gem - 40.5ct Pear Checkerboard (ID: 506033)

Pear Bi-color Ametrine

40.5ct
32.1 x 18.1 mm
$ 202.25
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Greyish White Howlite Gem - 78.9ct Cushion Cabochon (ID: 501691)

Cushion White Howlite

78.9ct
33.2 x 33.1 mm
$ 39.44
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Violet Amethyst Gem - 45.9ct Octagon Step Cut (ID: 505956)

Octagon / Emerald Cut Violet Amethyst

45.9ct
21.2 x 21 mm
$ 275.40
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Violet Charoite Gem - 36.3ct Oval Cabochon (ID: 448525)

Oval Violet Charoite

36.3ct
30.3 x 22.4 mm
$ 54.40
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Black Tourmaline Gem - 27ct Baguette / Scissor Cut (ID: 365125)

Baguette Black Tourmaline

27ct
25.8 x 12.2 mm
$ 74.30
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Gold Pyrite Gem - 67.8ct Round Cabochon (ID: 489126)

Round Yellow Pyrite

67.8ct
30 mm
$ 61.01
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Yellow Golden Citrine Geode Gem - 57.7ct Fancy Crystal Cluster (ID: 391760)

Fancy Yellow Citrine Geode

57.7ct
35.5 x 18.8 mm
$ 57.68
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Multicolor Rainbow Pyrite Gem - 36.4ct Pear Crystal Cluster (ID: 402623)

Pear Multicolor Rainbow Pyrite

36.4ct
30.5 x 21.3 mm
$ 109.11
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Multicolor Rainbow Pyrite Gem - 130.9ct Pear Crystal Cluster (ID: 391410)

Pear Multicolor Rainbow Pyrite

130.9ct
47 x 43.6 mm
$ 392.73
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Green Jadeite Gem - 27.8ct Oval Cabochon (ID: 471383)

Oval Green Jadeite

27.8ct
25.6 x 16.2 mm
$ 83.43
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Smoky Brown Smoky Quartz Gem - 97.9ct Carved Rose (ID: 344238)

Flower Cut Brown Smoky Quartz

97.9ct
39.5 x 27.1 mm
$ 122.41
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Pink Smithsonite Gem - 26.2ct Cushion Cabochon (ID: 380713)

Cushion Pink Smithsonite

26.2ct
14.9 x 14.7 mm
$ 705.02
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Multicolor Ammolite Gem - 26.9ct Fancy Cabochon (ID: 377633)

Fancy Multicolor Ammolite

26.9ct
32.4 x 17.7 mm
$ 403.35
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Violet Charoite Gem - 87.7ct Cushion Cabochon (ID: 344684)

Cushion Violet Charoite

87.7ct
31 x 27.3 mm
$ 131.55
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Multicolor Ammolite Gem - 24.8ct Fancy Cabochon (ID: 494378)

Fancy Multicolor Ammolite

24.8ct
38.8 x 15 mm
$ 372.00
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Lemon Star Lemon Quartz Gem - 81.2ct Round Cabochon (ID: 497513)

Round Yellow Star Lemon Quartz

81.2ct
23.3 mm
$ 243.66
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Multicolor Pietersite Gem - 38.5ct Oval Cabochon (ID: 350682)

Oval Multicolor Pietersite

38.5ct
30.1 x 22.1 mm
$ 154.16
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Violet Charoite Gem - 83.6ct Oval Cabochon (ID: 435151)

Oval Violet Charoite

83.6ct
45.4 x 34.1 mm
$ 125.38
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Multicolor Sugilite Gem - 29ct Pear Cabochon (ID: 490042)

Pear Multicolor Sugilite

29ct
32.5 x 18.5 mm
$ 16.25
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Lemon Star Lemon Quartz Gem - 67.5ct Oval Cabochon (ID: 373457)

Oval Yellow Star Lemon Quartz

67.5ct
23.5 x 20.4 mm
$ 202.62
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Lemon Star Lemon Quartz Gem - 89.2ct Oval Cabochon (ID: 373455)

Oval Yellow Star Lemon Quartz

89.2ct
25.2 x 24 mm
$ 267.51
Item in Stock
Huge Gems
Choose from a large selection of giant gems, whether they are for a gemstone collection, ornaments or statement jewelry pieces. Shop for huge faceted gems and cabochons of various shapes, sizes and colors, including tourmaline, quartz, garnet and lesser-known gems, such as rhodochrosite. Large star and cat's eye gemstones are also available. From this page, you can filter by gem type, color, size, price, carat weight and several other factors to find the perfect big gemstone for your jewelry.
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Posted By RaeRae in January, 2019
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Posted By BO in January, 2019
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As Always never disappointed in any gemstone I purchase from this site. I have never had a problem. Thank-You Gemselect for offering such a comprehensive variety . I will continue to order from this site.
Posted By Brian in January, 2019
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Easy to find what i'm looking for on website, very clear, like photos
Posted By Lifter in January, 2019
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Better than what I expected. Beautifully cut gem!
Posted By in January, 2019
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Overall Rating -> 10 star ratings
Gem select is the most trustworthy web site for gems. What I see in the picture is exactly what I get. Size is indicated by carat weight, and not the picture size, as they are trying to give an up close view of the gem I am hoping to buy. It was so easy to find the stones I was looking for at a price I could afford.
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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