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 |
8.64ct Multicolor Agate, Round, Opaque
12 mm (calibrated)
$ 8.18
7.37ct Green Maw-Sit-Sit, Round, Opaque
12 mm (calibrated)
$ 22.77
13.76ct Green Maw-Sit-Sit, Round, Opaque
12 mm (calibrated)
$ 45.23
6.20ct Yellow Quartz, Round, Transparent
12 mm (calibrated)
$ 24.58
24.04ctw Brown Tiger'S Eye Matrix, Sphere / Ball, Opaque
12 mm (calibrated)
$ 12.51
7.68ct Multicolor Agate, Round, Opaque
12 mm (calibrated)
$ 7.27
5.30ct Yellow Citrine, Round, VS
12 mm (calibrated)
$ 46.46
5.42ct Yellow Citrine, Round, VVS
12 mm (calibrated)
$ 41.57
7.71ct White Quartz Cat'S Eye, Round, Transparent
12 mm (calibrated)
$ 27.46
13.07ct Brown Smoky Quartz, Round, Transparent
12 mm (calibrated)
$ 42.96
6.24ct Brown Rutile Quartz, Round, Transparent
12 mm (calibrated)
$ 17.09
5.06ct Brown Smoky Quartz, Round, Transparent
12 mm (calibrated)
$ 21.23
11.18ctw Multicolor Labradorite, Round, Translucent
12 mm (calibrated)
$ 24.05
8.77ct Brown Smoky Quartz, Round, VVS
12 mm (calibrated)
$ 24.01
8.27ct Multicolor Agate, Round, Opaque
12 mm (calibrated)
$ 14.00
7.51ct White Quartz Cat'S Eye, Round, Transparent
12 mm (calibrated)
$ 26.74
5.03ct Brown Smoky Quartz, Round, VVS-VS
12 mm (calibrated)
$ 16.53
5.65ct Yellow Citrine, Round, VVS
12 mm (calibrated)
$ 43.33
11.99ctw Black Spinel, Round, Opaque
12 mm (calibrated)
$ 39.41
14.85ctw Black Spinel, Round, Opaque
12 mm (calibrated)
$ 48.81
7.68ct Green Maw-Sit-Sit, Round, Opaque
12 mm (calibrated)
$ 25.24
7.55ct Multicolor Labradorite, Round, Translucent
12 mm (calibrated)
$ 9.02
26.18ctw Multicolor Jasper, Sphere / Ball, Opaque
12 mm (calibrated)
$ 28.68
7.46ct White Quartz Cat'S Eye, Round, Transparent
12 mm (calibrated)
$ 32.69
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 
Took a chance on purchasing my gemstones from Gemselect and was impressed. 10/10
Overall Rating -> 10
So far So good
Overall Rating -> 9 
Ita's a pretty good and simple way to find gems that youa're looking for amazing selection
Overall Rating -> 8 
It was fine
Overall Rating -> 10
I can pick and choose from large selection and find just what I need for .y projects, currently my cane.
Overall Rating -> 10
The website has a good selection, the interface is very intuitive.
