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 |
11.63ctw Yellow Quartz, Round, VVS
12 mm (calibrated)
$ 51.09
5.59ct Pink Rose Quartz, Round, Transparent
12 mm (calibrated)
$ 20.21
14.69ctw Black Spinel, Round, Opaque
12 mm (calibrated)
$ 48.29
14.77ctw Black Spinel, Round, Opaque
12 mm (calibrated)
$ 45.97
6.20ct Blue Larimar, Round, Translucent
12 mm (calibrated)
$ 74.14
5.38ct Brown Rutile Quartz, Round, Transparent
12 mm (calibrated)
$ 13.50
5.27ct Brown Smoky Quartz, Round, VVS-VS
12 mm (calibrated)
$ 17.32
13.21ctw Black Spinel, Round, Opaque
12 mm (calibrated)
$ 41.10
6.66ct Brown Tiger'S Eye, Round, Opaque
12 mm (calibrated)
$ 8.62
4.06ct Multicolor Opal, Round, Opaque
12 mm (calibrated)
$ 121.31
5.44ct Brown Smoky Quartz, Round, VVS-VS
12 mm (calibrated)
$ 8.95
15.28ctw Multicolor Labradorite, Round, Translucent
12 mm (calibrated)
$ 37.13
6.60ct Yellow Quartz, Round, VVS
12 mm (calibrated)
$ 36.15
14.65ctw Black Spinel, Round, Opaque
12 mm (calibrated)
$ 45.71
4.20ct Brown Smoky Quartz, Round, VVS
12 mm (calibrated)
$ 13.80
8.13ct White Quartz Cat'S Eye, Round, Transparent
12 mm (calibrated)
$ 32.39
4.86ct Brown Smoky Quartz, Round, Transparent
12 mm (calibrated)
$ 20.38
5.80ct Brown Smoky Quartz, Round, VVS
12 mm (calibrated)
$ 19.07
12.21ctw Multicolor Labradorite, Round, Translucent
12 mm (calibrated)
$ 26.26
4.43ct Brown Smoky Quartz, Round, VVS-VS
12 mm (calibrated)
$ 7.29
8.11ct White Quartz Cat'S Eye, Round, Transparent
12 mm (calibrated)
$ 26.18
23.25ctw Yellow Rutile Quartz, Sphere / Ball, Transparent
12 mm (calibrated)
$ 25.48
7.65ct Multicolor Labradorite, Round, Translucent
12 mm (calibrated)
$ 16.45
9.29ctw Multicolor Labradorite, Round, Translucent
12 mm (calibrated)
$ 20.36
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
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GemSelect Certified Store Reviews
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 10 
Easy process.
Overall Rating -> 10
It was all good
Overall Rating -> 9 
Very easy to navigate with a great selection.
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
Very good
Overall Rating -> 10
Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.
