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 |
10.02ct Green Maw-Sit-Sit, Round, Opaque
12 mm (calibrated)
$ 23.37
6.73ct Brown Rutile Quartz, Round, Translucent
12 mm (calibrated)
$ 16.88
6.37ct Blue Larimar, Round, Opaque
12 mm (calibrated)
$ 44.11
13.34ct Gray Pearl, Sphere / Ball, Opaque
12 mm (calibrated)
$ 218.57
4.83ct Brown Smoky Quartz, Round, VVS-VS
12 mm (calibrated)
$ 15.88
6.05ct Yellow Citrine, Round, VVS
12 mm (calibrated)
$ 46.41
7.37ct Green Maw-Sit-Sit, Round, Opaque
12 mm (calibrated)
$ 22.77
8.38ct Multicolor Agate, Round, Opaque
12 mm (calibrated)
$ 8.35
8.14ct White Quartz Cat'S Eye, Round, Transparent
12 mm (calibrated)
$ 35.67
15.15ctw Black Spinel, Round, Opaque
12 mm (calibrated)
$ 49.80
5.92ct Orange Sunstone, Round, Translucent
12 mm (calibrated)
$ 36.12
12.16ct White Rutile Quartz, Sphere / Ball, Translucent
12 mm (calibrated)
$ 13.99
5.66ct Brown Smoky Quartz, Round, VVS
12 mm (calibrated)
$ 15.50
12.31ct White Rutile Quartz, Sphere / Ball, Translucent
12 mm (calibrated)
$ 14.16
10.06ctw Multicolor Labradorite, Round, Translucent
12 mm (calibrated)
$ 21.65
14.65ctw Black Spinel, Round, Opaque
12 mm (calibrated)
$ 45.58
5.28ct Yellow Quartz, Round, VS
12 mm (calibrated)
$ 21.28
10.22ctw Brown Smoky Quartz, Round, VS
12 mm (calibrated)
$ 28.00
5.41ct Yellow Quartz, Round, Transparent
12 mm (calibrated)
$ 21.46
12.96ctw Black Spinel, Round, Opaque
12 mm (calibrated)
$ 40.33
5.66ct Pink Rose Quartz, Round, Transparent
12 mm (calibrated)
$ 22.52
5.32ct Yellow Quartz, Round, Transparent
12 mm (calibrated)
$ 17.59
13.93ctw Black Spinel, Round, Opaque
12 mm (calibrated)
$ 45.78
8.93ct White Quartz Cat'S Eye, Round, Transparent
12 mm (calibrated)
$ 31.69
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 -> 10 
On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc
Overall Rating -> 10
It was all good
Overall Rating -> 9 
Easy to use. Many options to find the right gemstone
Overall Rating -> 9
I loved the selection of gemstones you have a to z
Overall Rating -> 8 
It was fine
Overall Rating -> 10
I love the products. I've bought them as gifts and people love my gifts
