Buy 12 mm Round Calibrated Gemstones from GemSelect
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Bi-color
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Black Round Shape 12 mm Gems
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Blue Round Shape 12 mm Gems
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Brown Round Shape 12 mm Gems
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Golden
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Gray Round Shape 12 mm Gems
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Green Round Shape 12 mm Gems
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Multicolor Round Shape 12 mm Gems
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Orange Round Shape 12 mm Gems
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Pink Round Shape 12 mm Gems
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Purple
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Red Round Shape 12 mm Gems
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Turquoise Round Shape 12 mm Gems
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Violet Round Shape 12 mm Gems
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White Round Shape 12 mm Gems
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Yellow Round Shape 12 mm Gems
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Single |
Pairs |
Lots |
Faceted |
Cabochons |
7.30ct White Quartz Cat'S Eye, Round, Transparent
12 mm (calibrated)
$ 31.99
8.36ct White Quartz Cat'S Eye, Round, Transparent
12 mm (calibrated)
$ 29.68
14.33ctw Black Spinel, Round, Opaque
12 mm (calibrated)
$ 44.59
5.33ct Yellow Quartz, Round, VS
12 mm (calibrated)
$ 11.69
6.76ct Brown Smoky Quartz, Round, VVS-VS
12 mm (calibrated)
$ 18.52
27.60ctw Yellow Rutile Quartz, Sphere / Ball, Transparent
12 mm (calibrated)
$ 30.24
5.09ct Brown Smoky Quartz, Round, VVS-VS
12 mm (calibrated)
$ 8.37
5.89ct Yellow Quartz, Round, VVS-VS
12 mm (calibrated)
$ 23.36
6.28ct Yellow Citrine, Round, VVS
12 mm (calibrated)
$ 48.16
15.51ctw Multicolor Labradorite, Round, Translucent
12 mm (calibrated)
$ 33.37
14.23ctw Black Spinel, Round, Opaque
12 mm (calibrated)
$ 46.77
9.53ct Multicolor Agate, Round, Opaque
12 mm (calibrated)
$ 9.50
14.02ctw Black Spinel, Round, Opaque
12 mm (calibrated)
$ 46.08
5.84ct Yellow Citrine, Round, VVS
12 mm (calibrated)
$ 44.79
8.50ct White Quartz Cat'S Eye, Round, Transparent
12 mm (calibrated)
$ 30.17
6.23ct Yellow Quartz, Round, VVS
12 mm (calibrated)
$ 27.37
24.11ctw Multicolor Jasper, Sphere / Ball, Opaque
12 mm (calibrated)
$ 26.41
15.04ct Multicolor Agate, Sphere / Ball, Opaque
12 mm (calibrated)
$ 11.99
12.39ct Gray Pearl, Sphere / Ball, Opaque
12 mm (calibrated)
$ 203.62
5.35ct Yellow Quartz, Round, VVS
12 mm (calibrated)
$ 29.32
5.09ct Brown Smoky Quartz, Round, VVS-VS
12 mm (calibrated)
$ 8.37
10.22ctw Brown Smoky Quartz, Round, VS
12 mm (calibrated)
$ 28.00
7.63ct White Quartz Cat'S Eye, Round, Transparent
12 mm (calibrated)
$ 33.43
23.69ctw Brown Rutile Quartz, Sphere / Ball, Transparent
12 mm (calibrated)
$ 25.95
Why Buy Round Shape 12 Mm Gems from GemSelect?
- Trusted Worldwide Since 2003
- Supplying natural gemstones to jewelers and collectors in 120+ countries
- Verified natural gemstones
- View All GemSelect Reviews on Bizrate
- Secure checkout and insured worldwide delivery
- 30-day returns and satisfaction guarantee
GemSelect Certified Store Reviews
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 10 
The stones are very nice.
Overall Rating -> 10
Over pretty well experience the your website no complaints about it very easy reliable service provided
Overall Rating -> 10
I am filling a small treasure chest and picked a nice amethyst.
Overall Rating -> 10
I could see the actual gem I was buying
Overall Rating -> 10
A pleasant experience and many choices to choose from
Overall Rating -> 9 
It was fine . Wish there had been more round stones to select from
