Calibrated 20 x 15 mm Octagon Shape Gemstones | GemSelect
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Bi-color
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Black Octagon Shape 20x15 mm Gems
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Blue
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Brown
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Golden
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Gray Octagon Shape 20x15 mm Gems
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Green
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Multicolor
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Orange
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Pink Octagon Shape 20x15 mm Gems
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Purple
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Red
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Turquoise
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Violet Octagon Shape 20x15 mm Gems
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White
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Yellow
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Single |
Pairs |
Lots |
Faceted |
Cabochons |
29.93ct Pink Kunzite, Emerald Cut, VS
20 x 15 mm (calibrated)
$ 745.26
24.96ct Violet Amethyst, Emerald Cut, VVS-VS
20 x 15 mm (calibrated)
$ 174.02
22.46ct Violet Amethyst, Emerald Cut, VVS
20 x 15 mm (calibrated)
$ 156.59
40.49ctw Gray Hematite, Emerald Cut, Opaque
20 x 15 mm (calibrated)
$ 35.90
24.90ct Violet Amethyst, Emerald Cut, VVS
20 x 15 mm (calibrated)
$ 173.60
23.68ct Violet Amethyst, Emerald Cut, VVS
20 x 15 mm (calibrated)
$ 165.10
21.42ct Gray Hematite, Emerald Cut, Opaque
20 x 15 mm (calibrated)
$ 21.60
20.89ct Violet Amethyst, Emerald Cut, VVS
20 x 15 mm (calibrated)
$ 145.65
21.82ct Violet Amethyst, Emerald Cut, VVS
20 x 15 mm (calibrated)
$ 152.13
19.55ct Gray Hematite, Emerald Cut, Opaque
20 x 15 mm (calibrated)
$ 21.42
22.23ct Violet Amethyst, Emerald Cut, VVS
20 x 15 mm (calibrated)
$ 177.13
23.19ct Violet Amethyst, Emerald Cut, VVS
20 x 15 mm (calibrated)
$ 161.68
20.24ct Violet Amethyst, Emerald Cut, VVS
20 x 15 mm (calibrated)
$ 141.12
22.20ct Violet Amethyst, Emerald Cut, VVS
20 x 15 mm (calibrated)
$ 176.89
23.96ct Violet Amethyst, Emerald Cut, VVS
20 x 15 mm (calibrated)
$ 167.05
22.65ct Violet Amethyst, Emerald Cut, VVS-VS
20 x 15 mm (calibrated)
$ 157.92
17.51ct Violet Amethyst, Emerald Cut, VVS-VS
20 x 15 mm (calibrated)
$ 122.08
21.16ct Violet Amethyst, Emerald Cut, VVS
20 x 15 mm (calibrated)
$ 147.52
21.50ct Violet Amethyst, Emerald Cut, VVS
20 x 15 mm (calibrated)
$ 149.90
34.87ctw Gray Hematite, Emerald Cut, Opaque
20 x 15 mm (calibrated)
$ 34.00
23.50ct Violet Amethyst, Emerald Cut, VVS
20 x 15 mm (calibrated)
$ 163.84
23.51ct Violet Amethyst, Emerald Cut, VVS-VS
20 x 15 mm (calibrated)
$ 163.91
22.77ct Violet Amethyst, Emerald Cut, VVS
20 x 15 mm (calibrated)
$ 158.75
22.70ct Violet Amethyst, Emerald Cut, VVS-VS
20 x 15 mm (calibrated)
$ 158.26
Why Buy Octagon Shape 20x15 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 
Always get a nice gemstone. Just like the picture. Never disappointed
Overall Rating -> 9 
They have literally everything on this website! The prices are also pretty good, I was able to find plenty of nice stones that I could afford!
Overall Rating -> 10
Very good place to buy gemstones
Overall Rating -> 10
I needed a very specific color of tourmaline and Gem Select had it. I had to get the client to agree and then ordered the stone. It arrived better than pictured and we all were very happy.
Overall Rating -> 10
I was able to find what I've been looking for.
Overall Rating -> 9
All good
