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 |
9.85ctw Yellow Citrine, Round, Transparent
12 mm (calibrated)
$ 75.55
5.56ct Brown Smoky Quartz, Round, VVS-VS
12 mm (calibrated)
$ 9.13
7.98ct White Quartz Cat'S Eye, Round, Transparent
12 mm (calibrated)
$ 28.34
8.40ctw Multicolor Labradorite, Round, Translucent
12 mm (calibrated)
$ 18.41
4.96ct Brown Rutile Quartz, Round, Transparent
12 mm (calibrated)
$ 12.45
5.28ct Yellow Citrine, Round, VS
12 mm (calibrated)
$ 46.27
12.82ctw Yellow Quartz, Round, VVS
12 mm (calibrated)
$ 42.37
5.88ct Yellow Citrine, Round, VVS
12 mm (calibrated)
$ 37.58
5.06ct Brown Smoky Quartz, Round, VVS
12 mm (calibrated)
$ 21.23
11.46ctw Yellow Quartz, Round, VVS
12 mm (calibrated)
$ 41.96
25.94ctw Multicolor Jasper, Sphere / Ball, Opaque
12 mm (calibrated)
$ 28.42
6.33ct Yellow Quartz, Round, VVS
12 mm (calibrated)
$ 25.10
5.23ct Pink Rose Quartz, Round, Transparent
12 mm (calibrated)
$ 20.80
5.22ct Brown Smoky Quartz, Round, Transparent
12 mm (calibrated)
$ 21.90
5.58ct Brown Smoky Quartz, Round, VVS-VS
12 mm (calibrated)
$ 8.33
8.13ct Green Jadeite, Round, Translucent
12 mm (calibrated)
$ 26.73
6.89ctw Multicolor Pietersite, Round, Opaque
12 mm (calibrated)
$ 26.00
11.09ct Black Star Diopside, Round, Opaque
12 mm (calibrated)
$ 55.23
5.24ct Multicolor Mystic Quartz, Round, VVS-VS
12 mm (calibrated)
$ 15.65
6.73ct Blue Larimar, Round, Opaque
12 mm (calibrated)
$ 69.89
15.28ctw Black Spinel, Round, Opaque
12 mm (calibrated)
$ 50.22
22.63ctw Multicolor Jasper, Sphere / Ball, Opaque
12 mm (calibrated)
$ 24.79
6.24ct Multicolor Labradorite, Round, Translucent
12 mm (calibrated)
$ 15.17
7.53ct Black Spinel, Round, Opaque
12 mm (calibrated)
$ 24.75
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 -> 10
Great prices!!! High quality gemstones.
Overall Rating -> 10
My whole experience is great.
Overall Rating -> 9 
Fast and reliable service.
Overall Rating -> 10
The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.
Overall Rating -> 9
It was great!
