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 |
5.85ct Brown Smoky Quartz, Round, VS
12 mm (calibrated)
$ 9.62
13.47ctw Black Spinel, Round, Opaque
12 mm (calibrated)
$ 44.27
9.99ctw Yellow Quartz, Round, VVS-VS
12 mm (calibrated)
$ 54.73
12.82ctw Yellow Quartz, Round, VVS
12 mm (calibrated)
$ 42.37
12.31ct White Rutile Quartz, Sphere / Ball, Translucent
12 mm (calibrated)
$ 14.16
5.28ct Brown Smoky Quartz, Round, VVS-VS
12 mm (calibrated)
$ 17.35
5.22ct Brown Smoky Quartz, Round, VS
12 mm (calibrated)
$ 8.57
12.25ct Multicolor Agate, Sphere / Ball, Opaque
12 mm (calibrated)
$ 9.76
8.09ct White Quartz Cat'S Eye, Round, Transparent
12 mm (calibrated)
$ 28.72
8.64ct Multicolor Agate, Round, Opaque
12 mm (calibrated)
$ 8.18
7.77ct White Quartz Cat'S Eye, Round, Transparent
12 mm (calibrated)
$ 27.67
6.49ct Brown Rutile Quartz, Round, Transparent
12 mm (calibrated)
$ 14.23
4.09ct Brown Rutile Quartz, Round, Transparent
12 mm (calibrated)
$ 10.27
5.42ct Yellow Quartz, Round, VVS
12 mm (calibrated)
$ 29.69
8.14ct White Quartz Cat'S Eye, Round, Transparent
12 mm (calibrated)
$ 35.67
5.43ct Brown Smoky Quartz, Round, VVS
12 mm (calibrated)
$ 14.88
5.41ct Yellow Quartz, Round, Transparent
12 mm (calibrated)
$ 21.46
12.29ctw Black Spinel, Round, Opaque
12 mm (calibrated)
$ 38.24
8.24ct Multicolor Agate, Round, Opaque
12 mm (calibrated)
$ 7.80
5.32ct Brown Smoky Quartz, Round, VVS
12 mm (calibrated)
$ 14.57
5.73ct Brown Smoky Quartz, Round, VVS-VS
12 mm (calibrated)
$ 9.42
5.58ct Brown Smoky Quartz, Round, VVS
12 mm (calibrated)
$ 30.57
4.86ct Brown Smoky Quartz, Round, Transparent
12 mm (calibrated)
$ 20.38
6.56ct Blue Larimar, Round, Opaque
12 mm (calibrated)
$ 74.96
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 
I liked the selection of gems, and price. I did not like your PayPal process. I already have a PP account and you want me to sign up for another.
Overall Rating -> 9 
The website was easy to use and informative of the selection of stones it has. I quickly found the right stone for me.
Overall Rating -> 10
good navigation and simple interface.
Overall Rating -> 10
I had a very easy time navigating the web page and using filters to find what I was looking for. The varied selection was nice to see and pricing is clear and fair.
Overall Rating -> 9
Will know more once order received
Overall Rating -> 9
Fast snd easy to find what I was looking for
