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Gemtype Color Shape Weight Size Clarity Price Origin
You Selected (45): Huge Gems Clear All
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Golden Apatite Gem - 13.9ct Octagon Step Cut (ID: 382104)

Octagon / Emerald Cut Yellow Apatite

13.9ct
13.2 x 15.6 mm
$ 895.49
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Light Blue Aquamarine Gem - 40.6ct Octagon Step Cut (ID: 264265)

Octagon / Emerald Cut Blue Aquamarine

40.6ct
22 x 17.5 mm
$ 12,995.00
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Golden Apatite Gem - 20.4ct Octagon Facet (ID: 384010)

Octagon / Emerald Cut Yellow Apatite

20.4ct
17.5 x 13.2 mm
$ 612.90
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Bi-color Tourmaline Gem - 17.4ct Octagon Facet (ID: 328004)

Octagon / Emerald Cut Bi-color Tourmaline

17.4ct
66.5 x 6.3 mm
$ 3,470.50
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Orange Spessartite Garnet Gem - 14ct Octagon Step Cut (ID: 486944)

Orange Spessartite Garnet

14ct
20.6 x 8.3 mm
$ 559.60
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Black Tourmaline Gem - 61.5ct Octagon / Scissor Cut (ID: 348844)

Octagon / Emerald Cut Black Tourmaline

61.5ct
33.6 x 15.8 mm
$ 169.07
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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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Light Blue Aquamarine Gem - 23.6ct Octagon / Scissor Cut (ID: 486948)

Octagon / Emerald Cut Blue Aquamarine

23.6ct
30.7 x 9.5 mm
$ 3,535.50
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Golden Yellow Apatite Gem - 9.4ct Asscher Cut (ID: 438946)

Octagon / Emerald Cut Yellow Apatite

9.4ct
12.2 x 12.1 mm
$ 442.74
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Greenish Golden Apatite Gem - 15.2ct Asscher Cut (ID: 396053)

Octagon / Emerald Cut Yellow Apatite

15.2ct
13.7 x 13.5 mm
$ 563.11
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Greenish Golden Apatite Gem - 15.9ct Asscher Cut (ID: 438948)

Octagon / Emerald Cut Yellow Apatite

15.9ct
14.7 x 14.5 mm
$ 556.15
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Green Emerald Gem - 28.8ct Octagon Facet (ID: 337691)

Octagon / Emerald Cut Green Emerald

28.8ct
19.2 x 18.6 mm
$ 18,233.10
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Golden Green Apatite Gem - 14.4ct Asscher Cut (ID: 396314)

Octagon / Emerald Cut Green Apatite

14.4ct
13.6 x 13.6 mm
$ 535.33
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Greenish Golden Apatite Gem - 8.3ct Asscher Cut (ID: 438943)

Octagon / Emerald Cut Yellow Apatite

8.3ct
11.8 x 11.6 mm
$ 389.63
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Colorless Golden Rutile Quartz Gem - 34.6ct Octagon Facet (ID: 402044)

Octagon / Emerald Cut Yellow Rutile Quartz

34.6ct
25.4 x 18.1 mm
$ 92.33
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Golden Green Apatite Gem - 14ct Asscher Cut (ID: 396315)

Octagon / Emerald Cut Green Apatite

14ct
13.2 x 13 mm
$ 519.73
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Greenish Golden Apatite Gem - 12.7ct Octagon Facet (ID: 407384)

Octagon / Emerald Cut Yellow Apatite

12.7ct
17 x 10.8 mm
$ 318.25
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Pinkish Red Ruby Gem - 46.9ct Carved Octagon (ID: 501441)

Octagon / Emerald Cut Red Ruby

46.9ct
29 x 28.9 mm
$ 993.90
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Greenish Golden Apatite Gem - 8.1ct Asscher Cut (ID: 396133)

Octagon / Emerald Cut Yellow Apatite

8.1ct
10.9 x 10.6 mm
$ 300.91
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Pinkish Red Ruby Gem - 46.1ct Carved Octagon (ID: 501440)

Octagon / Emerald Cut Red Ruby

46.1ct
28.9 x 28.8 mm
$ 976.93
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Black Tourmaline Gem - 32.6ct Octagon Checkerboard (ID: 362161)

Octagon / Emerald Cut Black Tourmaline

32.6ct
23.3 x 13.6 mm
$ 89.54
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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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.
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Better than what I expected. Beautifully cut gem!
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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