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 |
8.25ct Brown Smoky Quartz, Round, VVS-VS
12 mm (calibrated)
$ 16.28
10.73ct Red Star Garnet, Round, Opaque
12 mm (calibrated)
$ 10.57
5.58ct Brown Smoky Quartz, Round, VVS-VS
12 mm (calibrated)
$ 8.33
4.26ct Multicolor Black Opal, Round, Opaque
12 mm (calibrated)
$ 124.11
7.50ct White Quartz Cat'S Eye, Round, Transparent
12 mm (calibrated)
$ 26.63
13.97ctw Black Spinel, Round, Opaque
12 mm (calibrated)
$ 45.92
6.91ctw Multicolor Pietersite, Round, Opaque
12 mm (calibrated)
$ 16.32
5.44ct Brown Smoky Quartz, Round, VVS-VS
12 mm (calibrated)
$ 8.95
11.68ctw Multicolor Mystic Quartz, Round, VS
12 mm (calibrated)
$ 34.90
5.32ct Brown Smoky Quartz, Round, VVS
12 mm (calibrated)
$ 29.14
9.10ct Multicolor Agate, Round, Opaque
12 mm (calibrated)
$ 8.62
6.66ct Brown Tiger'S Eye, Round, Opaque
12 mm (calibrated)
$ 8.62
4.55ct Multicolor Black Opal, Round, Opaque
12 mm (calibrated)
$ 135.95
14.22ctw Black Spinel, Round, Opaque
12 mm (calibrated)
$ 46.75
5.08ct Brown Smoky Quartz, Round, VS
12 mm (calibrated)
$ 8.35
6.20ct Yellow Quartz, Round, Transparent
12 mm (calibrated)
$ 24.58
5.77ct Brown Rutile Quartz, Round, Translucent
12 mm (calibrated)
$ 14.48
5.78ct Yellow Citrine, Round, VVS
12 mm (calibrated)
$ 44.33
5.33ct Yellow Quartz, Round, VS
12 mm (calibrated)
$ 11.69
6.27ct Black Spinel, Round, Opaque
12 mm (calibrated)
$ 17.17
14.99ctw Black Spinel, Round, Opaque
12 mm (calibrated)
$ 49.27
5.57ct Yellow Quartz, Round, VVS
12 mm (calibrated)
$ 22.46
7.66ct Brown Smoky Quartz, Round, VVS
12 mm (calibrated)
$ 15.11
6.76ct Brown Smoky Quartz, Round, VVS-VS
12 mm (calibrated)
$ 18.52
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 
Recomendado Totalmente Los Productos Se Entregaron A Tiempo
Overall Rating -> 9 
Very good and simple exchange
Overall Rating -> 7 
Easy, quick.
Overall Rating -> 10
I love the products. I've bought them as gifts and people love my gifts
Overall Rating -> 10
Great experience. I can't wait to explore on the website further.
Overall Rating -> 10
Good selection, using for custom jewlery for my wife.
