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Gemtype Color Shape Weight Size Clarity Price Origin
You Selected (59): Half Moon Gemstones Clear All
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Gold Brown Tiger's Eye Gem - 29.5ct Half Moon Cabochon (ID: 461917)

Fancy Brown Tiger's Eye

29.5ct
27.7 x 19.6 mm
$ 29.50
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Blue-Green Amazonite Gem - 16.6ct Half Moon Cabochon (ID: 484802)

Fancy Green Amazonite

16.6ct
27.6 x 11.7 mm
$ 18.28
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Multicolor Chrysocolla Gem - 38.3ct Half Moon Cabochon (ID: 471134)

Fancy Multicolor Chrysocolla

38.3ct
34.9 x 24.2 mm
$ 39.82
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Swiss Blue Topaz Gem - 0.9ct Half Moon Facet-Cut (ID: 434577)

Fancy Blue Topaz

0.9ct
6.7 x 5.2 mm
$ 5.52
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Snowflake Snowflake Obsidian Gem - 31.2ct Half Moon Cabochon (ID: 485443)

Fancy Multicolor Snowflake Obsidian

31.2ct
31.3 x 20.3 mm
$ 14.05
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Snowflake Snowflake Obsidian Gem - 32.2ct Half Moon Cabochon (ID: 485645)

Fancy Multicolor Snowflake Obsidian

32.2ct
34.6 x 20.7 mm
$ 14.47
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Multicolor Chrysocolla Gem - 28.3ct Half Moon Cabochon (ID: 486339)

Fancy Multicolor Chrysocolla

28.3ct
26.1 x 17.2 mm
$ 31.10
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Green Blue Larimar Gem - 44.6ct Half Moon Cabochon (ID: 492337)

Fancy Blue Larimar

44.6ct
26.4 x 22.9 mm
$ 66.87
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Swiss Blue Topaz Gem - 1.2ct Half Moon Facet-Cut (ID: 433381)

Fancy Blue Topaz

1.2ct
7.1 x 5.2 mm
$ 6.10
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Multicolor Jasper Gem - 12.4ct Half Moon Cabochon (ID: 482473)

Fancy Multicolor Jasper

12.4ct
29.2 x 12.5 mm
$ 6.80
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White Scolecite Gem - 63.7ct Half Moon Cabochon (ID: 474554)

Fancy White Scolecite

63.7ct
41.7 x 20.3 mm
$ 63.74
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Violet Charoite Gem - 29.9ct Half Moon Cabochon (ID: 343544)

Fancy Violet Charoite

29.9ct
30.9 x 15.6 mm
$ 44.90
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Violet Charoite Gem - 30.2ct Half Moon Cabochon (ID: 343633)

Fancy Violet Charoite

30.2ct
42.7 x 15.2 mm
$ 45.23
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Multicolor Jasper Gem - 35.3ct Half Moon Cabochon (ID: 348918)

Fancy Multicolor Jasper

35.3ct
27.2 x 20.4 mm
$ 35.32
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Swiss Blue Topaz Gem - 1.2ct Half Moon Facet-Cut (ID: 433475)

Fancy Blue Topaz

1.2ct
7.3 x 5.3 mm
$ 5.95
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Swiss Blue Topaz Gem - 1ct Half Moon Facet-Cut (ID: 434574)

Fancy Blue Topaz

1ct
7 x 5 mm
$ 6.00
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Gold Sheen Black Obsidian Gem - 27.5ct Half Moon Cabochon (ID: 433779)

Fancy Black Obsidian

27.5ct
24.6 x 20.8 mm
$ 27.49
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Blue-Green Amazonite Gem - 17.7ct Half Moon Cabochon (ID: 484829)

Fancy Green Amazonite

17.7ct
25.9 x 14.5 mm
$ 19.42
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Swiss Blue Topaz Gem - 1.2ct Half Moon Facet-Cut (ID: 434575)

Fancy Blue Topaz

1.2ct
7.2 x 5.2 mm
$ 6.90
Item in Stock
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Swiss Blue Topaz Gem - 2.8ct Half Moon Facet-Cut (ID: 434320)

Fancy Blue Topaz

2.8ct
9 x 7.1 mm
$ 16.80
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Sky Blue Topaz Gem - 1ct Half Moon Facet-Cut (ID: 456016)

Fancy Blue Topaz

1ct
7.2 x 4.8 mm
$ 7.00
Item in Stock
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Half Moon Gemstones
Half Moon Gemstones are popular for astrological and birthstone jewelry. Choose from our selection of faceted and cabochon moon shape gems at GemSelect, the best source for colored stones.
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Posted By RaeRae in January, 2019
Source: Bizrate
Overall Rating -> 9 star ratings
I WOULD RECOMMEND GEM SELECT.
Posted By BO in January, 2019
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Overall Rating -> 10 star ratings
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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Overall Rating -> 10 star ratings
Easy to find what i'm looking for on website, very clear, like photos
Posted By Lifter in January, 2019
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Overall Rating -> 10 star ratings
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

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