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Gemtype Color Shape Weight Size Clarity Price Origin
You Selected (74): Huge Gems Clear All
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Green Seraphinite Gem - 36.1ct Round Cabochon (ID: 391122)

Round Green Seraphinite

36.1ct
30.2 mm
$ 108.24
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Greenish Yellow Quartz Gem - 40.1ct Round Facet (ID: 503901)

Round Yellow Quartz

40.1ct
20.9 mm
$ 64.11
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Yellow Golden Zircon Gem - 21.8ct Round Facet (ID: 309721)

Round Yellow Zircon

21.8ct
14.5 mm
$ 1,502.82
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Black Red Star Garnet Gem - 102.6ct Round Cabochon (ID: 404010)

Round Red Star Garnet

102.6ct
26.5 mm
$ 307.71
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Grayish Silver Star Sapphire Gem - 21.2ct Round Cabochon (ID: 470844)

Round Gray Star Sapphire

21.2ct
14.7 mm
$ 743.05
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Cream Cat's Eye Moonstone Gem - 19.1ct Round Cabochon (ID: 481520)

Round Cream Cat's Eye Moonstone

19.1ct
16.2 mm
$ 93.79
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Brown Smoky Quartz Gem - 127.5ct Round Portuguese-Cut (ID: 508823)

Round Brown Smoky Quartz

127.5ct
30.8 mm
$ 108.39
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Gold Brown Tiger's Eye Gem - 37.4ct Round Cabochon (ID: 329235)

Round Brown Tiger's Eye

37.4ct
20.2 mm
$ 47.87
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Gold Brown Tiger's Eye Gem - 37.9ct Round Cabochon (ID: 329092)

Round Brown Tiger's Eye

37.9ct
20.2 mm
$ 48.47
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Greyish White Howlite Gem - 90.4ct Round Cabochon (ID: 501687)

Round White Howlite

90.4ct
37.5 mm
$ 45.20
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Green Emerald Gem - 13.1ct Round Cabochon (ID: 498382)

Round Green Emerald

13.1ct
15.1 mm
$ 5,877.00
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Brown Jasper Gem - 205.8ct Round Cabochon (ID: 346704)

Round Brown Jasper

205.8ct
55.7 mm
$ 154.35
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Cream Cat's Eye Moonstone Gem - 10.5ct Round Cabochon (ID: 481512)

Round Cream Cat's Eye Moonstone

10.5ct
13.2 mm
$ 51.30
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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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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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Black Red Star Garnet Gem - 73.2ct Round Cabochon (ID: 403890)

Round Red Star Garnet

73.2ct
23.3 mm
$ 219.48
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Black Red Star Garnet Gem - 47.5ct Round Cabochon (ID: 501414)

Round Red Star Garnet

47.5ct
18.6 mm
$ 237.60
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Black Red Star Garnet Gem - 80.8ct Round Cabochon (ID: 403891)

Round Red Star Garnet

80.8ct
24.4 mm
$ 242.34
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Cream Cat's Eye Moonstone Gem - 10.6ct Round Cabochon (ID: 481510)

Round Cream Cat's Eye Moonstone

10.6ct
15.2 mm
$ 51.79
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Black Red Star Garnet Gem - 70.8ct Round Cabochon (ID: 414150)

Round Red Star Garnet

70.8ct
23.1 mm
$ 212.25
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Black Red Star Garnet Gem - 60.6ct Round Cabochon (ID: 403887)

Round Red Star Garnet

60.6ct
23.8 mm
$ 181.77
Item in Stock
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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
Source: Bizrate
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.
Posted By Nan in January, 2019
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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