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 |
11.10ctw Multicolor Pietersite, Round, Opaque
12 mm (calibrated)
$ 26.20
5.18ct Brown Smoky Quartz, Round, VVS-VS
12 mm (calibrated)
$ 8.52
4.78ct Brown Smoky Quartz, Round, VVS-VS
12 mm (calibrated)
$ 7.86
5.42ct Yellow Quartz, Round, VVS
12 mm (calibrated)
$ 29.69
6.67ct Brown Smoky Quartz, Round, VVS
12 mm (calibrated)
$ 21.92
13.08ct White Rutile Quartz, Sphere / Ball, Translucent
12 mm (calibrated)
$ 15.04
5.43ct Brown Smoky Quartz, Round, VVS
12 mm (calibrated)
$ 14.88
6.56ct Blue Larimar, Round, Opaque
12 mm (calibrated)
$ 74.96
12.31ct White Rutile Quartz, Sphere / Ball, Translucent
12 mm (calibrated)
$ 14.16
5.98ct Yellow Citrine, Round, VVS
12 mm (calibrated)
$ 45.87
4.90ct Brown Smoky Quartz, Round, VS
12 mm (calibrated)
$ 8.06
4.94ct Brown Smoky Quartz, Round, VVS-VS
12 mm (calibrated)
$ 27.06
8.90ct Black Star Diopside, Round, Opaque
12 mm (calibrated)
$ 44.32
4.85ct Green Seraphinite, Round, Opaque
12 mm (calibrated)
$ 4.69
3.43ct Multicolor Pietersite, Round, Opaque
12 mm (calibrated)
$ 8.30
13.90ctw Green Jadeite, Round, Translucent
12 mm (calibrated)
$ 45.68
5.08ct Multicolor Mystic Quartz, Round, VVS-VS
12 mm (calibrated)
$ 15.18
5.13ct Multicolor Mystic Quartz, Round, VVS-VS
12 mm (calibrated)
$ 15.33
7.97ct White Quartz Cat'S Eye, Round, Transparent
12 mm (calibrated)
$ 28.38
6.14ct Yellow Citrine, Round, VVS
12 mm (calibrated)
$ 39.24
10.10ct Multicolor Agate, Round, Opaque
12 mm (calibrated)
$ 9.56
23.84ctw Multicolor Jasper, Sphere / Ball, Opaque
12 mm (calibrated)
$ 26.11
4.89ct Brown Smoky Quartz, Round, VVS
12 mm (calibrated)
$ 16.08
6.27ct White Quartz, Round, VVS
12 mm (calibrated)
$ 8.87
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 
Very good
Overall Rating -> 7 
easy interface for a pricless buy
Overall Rating -> 10
Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.
Overall Rating -> 10
I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.
Overall Rating -> 10
Very good.
Overall Rating -> 10
Always get a nice gemstone. Just like the picture. Never disappointed
