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Gemtype Color Shape Weight Size Clarity Price Origin
You Selected (2136): Huge Gems Clear All
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Black Tourmaline Gem - 35.2ct Octagon / Scissor Cut (ID: 348849)

Octagon / Emerald Cut Black Tourmaline

35.2ct
30.7 x 13.7 mm
$ 96.88
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Lemon Quartz Gem - 37.2ct Oval Facet (ID: 397213)

Oval Yellow Quartz

37.2ct
22 x 19.8 mm
$ 55.82
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Multicolor Jasper Gem - 50.9ct Fancy Cabochon (ID: 348925)

Fancy Multicolor Jasper

50.9ct
32.8 x 22.4 mm
$ 50.91
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Lemon Quartz Gem - 69.7ct Carved Rose (ID: 344114)

Fancy Yellow Quartz

69.7ct
42.7 x 22.2 mm
$ 69.68
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Multicolor Jasper Gem - 34.7ct Fancy Cabochon (ID: 363517)

Fancy Multicolor Jasper

34.7ct
41.4 x 26.4 mm
$ 42.04
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Black Tourmaline Gem - 28.6ct Cushion Checkerboard (ID: 363613)

Cushion Black Tourmaline

28.6ct
17.1 x 16.3 mm
$ 78.59
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Lemon Quartz Gem - 27.3ct Cushion Checkerboard (double sided) (ID: 417328)

Cushion Yellow Quartz

27.3ct
19.1 x 19 mm
$ 54.52
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Swiss Blue Topaz Gem - 52.3ct Marquise Checkerboard (ID: 505680)

Marquise Blue Topaz

52.3ct
31.1 x 19.5 mm
$ 385.45
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Black Tourmaline Gem - 28.7ct Oval Checkerboard (ID: 362393)

Oval Black Tourmaline

28.7ct
18.5 x 16.1 mm
$ 78.98
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Lemon Quartz Gem - 28ct Cushion Checkerboard (double sided) (ID: 417283)

Cushion Yellow Quartz

28ct
19.2 x 19.2 mm
$ 56.02
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Multicolor Jasper Gem - 40.2ct Pear Cabochon (ID: 348627)

Pear Multicolor Jasper

40.2ct
34.6 x 31.2 mm
$ 40.15
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Multicolor Jasper Gem - 45.7ct Fancy Cabochon (ID: 348916)

Fancy Multicolor Jasper

45.7ct
28.4 x 20.9 mm
$ 45.73
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Multicolor Jasper Gem - 33.8ct Baguette Cabochon (ID: 369031)

Baguette Multicolor Jasper

33.8ct
31.8 x 22.6 mm
$ 50.76
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Multicolor Jasper Gem - 39.8ct Round Cabochon (ID: 401195)

Round Multicolor Jasper

39.8ct
30.3 mm
$ 48.21
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Multicolor Jasper Gem - 43.6ct Oval Cabochon (ID: 394032)

Oval Multicolor Jasper

43.6ct
32.5 x 24.6 mm
$ 43.57
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Multicolor Jasper Gem - 32ct Oval Cabochon (ID: 233636)

Oval Multicolor Jasper

32ct
30 x 18.6 mm
$ 31.96
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Multicolor Jasper Gem - 27.1ct Fancy Cabochon (ID: 370008)

Fancy Multicolor Jasper

27.1ct
30.4 x 20.7 mm
$ 27.10
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Multicolor Jasper Gem - 55ct Oval Cabochon (ID: 491974)

Oval Multicolor Jasper

55ct
40.9 x 30.9 mm
$ 36.82
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Multicolor Jasper Gem - 34.7ct Oval Cabochon (ID: 363518)

Oval Multicolor Jasper

34.7ct
35.2 x 19.6 mm
$ 42.05
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Lemon Quartz Gem - 30.5ct Oval Portuguese-Cut (ID: 396506)

Oval Yellow Quartz

30.5ct
21.4 x 17.9 mm
$ 45.70
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Click for Product Video (494687)
Pinkish Red Ruby Gem - 11.6ct Oval Facet (ID: 494687)

Oval Red Ruby

11.6ct
14.2 x 11.6 mm
$ 369.92
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.
Certified Customer Reviews
Overall Rating -> 10 star ratings
man their gems are pretty good, and the prices aren't to bad either, I like checking out hte gems on there website, beceause the pictures of the gems are taken pretty well, and you can see the table, and the facets.
Posted By Spinach in March, 2019
Source: Bizrate
Overall Rating -> 10 star ratings
I love gemselect and I have bought a fair amount from them. The only complaint I have is not being able to save gems. I have a lot of projects so i am in the market for a lot of different gems and it's so disappointing to have to delete them all just to purchase one or two that I have saved in my cart.
Posted By S.Hicks in March, 2019
Source: Bizrate
Overall Rating -> 10 star ratings
I always check this site because they have unique options.
Posted By Lisa in February, 2019
Source: Bizrate
Overall Rating -> 10 star ratings
Great website to navigate. Awesome Gem selection! Nice photos and discriptions for all of the gems for sale. You can find gems in all price ranges. Checkout was a breeze.
Posted By Timmy in February, 2019
Source: Bizrate
Overall Rating -> 10 star ratings
They had an extensive gemstone selection in all different cuts, sizes, and colors. They also had very good and workable prices. All of these aspects pulled me in as a customer.
Posted By Josh in February, 2019
Source: Bizrate
Overall Rating -> 9 star ratings
It all depend on the product I will receive and have it verified by my in law jewellers.
Posted By Vodka in February, 2019
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