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 |
5.78ct Yellow Citrine, Round, VVS
12 mm (calibrated)
$ 44.33
5.44ct Brown Smoky Quartz, Round, VVS-VS
12 mm (calibrated)
$ 8.95
12.44ctw Black Spinel, Round, Opaque
12 mm (calibrated)
$ 38.70
6.08ct Brown Rutile Quartz, Round, Transparent
12 mm (calibrated)
$ 15.25
7.98ct White Quartz Cat'S Eye, Round, Transparent
12 mm (calibrated)
$ 28.34
25.59ctw Multicolor Jasper, Sphere / Ball, Opaque
12 mm (calibrated)
$ 28.04
5.22ct Brown Smoky Quartz, Round, VS
12 mm (calibrated)
$ 8.57
5.61ct Yellow Quartz, Round, VVS
12 mm (calibrated)
$ 24.65
5.18ct Brown Smoky Quartz, Round, VVS-VS
12 mm (calibrated)
$ 8.52
6.10ct Yellow Quartz, Round, Transparent
12 mm (calibrated)
$ 24.19
4.72ct Brown Smoky Quartz, Round, VS
12 mm (calibrated)
$ 14.10
5.04ct Brown Smoky Quartz, Round, VS
12 mm (calibrated)
$ 8.28
5.17ct Yellow Quartz, Round, Transparent
12 mm (calibrated)
$ 20.51
6.32ct Yellow Citrine, Round, VVS
12 mm (calibrated)
$ 48.46
5.78ct Brown Smoky Quartz, Round, Transparent
12 mm (calibrated)
$ 24.25
5.41ct Yellow Quartz, Round, VVS
12 mm (calibrated)
$ 29.64
7.02ctw Multicolor Pietersite, Round, Opaque
12 mm (calibrated)
$ 16.43
11.74ct Black Star Diopside, Round, Opaque
12 mm (calibrated)
$ 58.47
7.18ct Brown Rutile Quartz, Round, Translucent
12 mm (calibrated)
$ 17.86
13.76ct Green Maw-Sit-Sit, Round, Opaque
12 mm (calibrated)
$ 45.23
6.88ct Pink Rose Quartz, Round, Transparent
12 mm (calibrated)
$ 37.69
11.50ctw Black Spinel, Round, Opaque
12 mm (calibrated)
$ 35.79
10.79ctw Yellow Quartz, Round, VVS-VS
12 mm (calibrated)
$ 43.38
6.15ct Brown Smoky Quartz, Round, VVS
12 mm (calibrated)
$ 12.06
Why Buy Round Shape 12 Mm Gems from GemSelect?
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- 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 -> 9 
I loved the selection of gemstones you have a to z
Overall Rating -> 10 
the selection is good as are the prices
Overall Rating -> 10
It was good. There was a large selection at prices I could afford.
Overall Rating -> 10
Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.
Overall Rating -> 10
Always get a nice gemstone. Just like the picture. Never disappointed
Overall Rating -> 10
good navigation and simple interface.
