Calibrated Size for Octagon Cut Gemstones 16x12 mm
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Bi-color
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Black
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Blue Octagon Shape 16x12 mm Gems
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Brown
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Golden
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Gray
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Green Octagon Shape 16x12 mm Gems
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Multicolor
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Orange
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Pink Octagon Shape 16x12 mm Gems
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Purple
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Red
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Turquoise
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Violet
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White
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Yellow Octagon Shape 16x12 mm Gems
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Single |
Pairs |
Lots |
Faceted |
Cabochons |
9.03ct Yellow Quartz, Emerald Cut, VVS
16 x 12 mm (calibrated)
$ 35.91
16.66ct Blue Topaz, Emerald Cut, VVS-VS
16 x 12 mm (calibrated)
$ 166.60
13.53ct Blue Topaz, Emerald Cut, VS
16 x 12 mm (calibrated)
$ 135.30
14.56ct Blue Topaz, Emerald Cut, VS
16 x 12 mm (calibrated)
$ 145.60
15.71ct Blue Topaz, Emerald Cut, VVS-VS
16 x 12 mm (calibrated)
$ 157.10
15.85ct Blue Topaz, Emerald Cut, VS
16 x 12 mm (calibrated)
$ 158.50
21.56ct Green Bloodstone, Emerald Cut, Opaque
16 x 12 mm (calibrated)
$ 42.94
14.58ct Blue Topaz, Emerald Cut, VS
16 x 12 mm (calibrated)
$ 145.80
15.53ct Blue Topaz, Emerald Cut, VS
16 x 12 mm (calibrated)
$ 155.30
12.92ct Blue Topaz, Emerald Cut, VS
16 x 12 mm (calibrated)
$ 129.20
15.55ct Pink Kunzite, Emerald Cut, VS
16 x 12 mm (calibrated)
$ 387.20
12.60ct Blue Topaz, Emerald Cut, VVS
16 x 12 mm (calibrated)
$ 126.00
14.46ct Blue Topaz, Emerald Cut, VVS
16 x 12 mm (calibrated)
$ 144.60
9.90ct Yellow Quartz, Emerald Cut, VVS
16 x 12 mm (calibrated)
$ 39.38
10.98ct Yellow Quartz, Emerald Cut, VVS
16 x 12 mm (calibrated)
$ 43.67
15.82ct Blue Topaz, Emerald Cut, VVS-VS
16 x 12 mm (calibrated)
$ 158.20
14.71ct Blue Topaz, Emerald Cut, VS
16 x 12 mm (calibrated)
$ 147.10
Why Buy Octagon Shape 16x12 Mm Gems from GemSelect?
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- Supplying natural gemstones to jewelers and collectors in 120+ countries
- Verified natural gemstones
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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 
Very good
Overall Rating -> 9 
I do enjoy this website and the wide selection. I would like to see more untreated stones. I also wasn't able to see my past order when I logged in.
Overall Rating -> 9
If you have motion picture, then I will be more satisfied with.
Overall Rating -> 10
Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.
Overall Rating -> 10
They have a wonderful selection of gems of all sorts, shapes, cuts, and quality. I am very particular about the quality of stones I buy, and found many with VVS clarity and excellent cut and polish. I am thrilled with each of the stones I purchased, and would definitely recommend GemSelect to everyone.
Overall Rating -> 10
Always get a nice gemstone. Just like the picture. Never disappointed
