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Buy Octagon Shape 27 x 20 mm Gems

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2.62ct Natural Medium Gold Citrine, Square, VVS-VS, Photo A

2.62ct Natural Medium Gold Citrine, Square, VVS-VS

Citrine

2.62ct1 pc
$ 18.47
8 x 8 mm (calibrated)
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3.24ctw Natural Multicolor Mystic Quartz, Round, VS, Photo A

3.24ctw Natural Multicolor Mystic Quartz, Round, VS

Mystic Quartz

3.24ct total2 pcs
$ 11.66
8 mm (calibrated)
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0.68ct Natural Multicolor Opal, Oval, Opaque, Photo A

0.68ct Natural Multicolor Opal, Oval, Opaque

Opal

0.68ct1 pc
$ 24.48
8 x 6 mm (calibrated)
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3.74ct Natural Medium Red Star Ruby, Oval, Opaque, Photo A

3.74ct Natural Medium Red Star Ruby, Oval, Opaque

Star Ruby

3.74ct1 pc
$ 71.81
8.6 x 7.8 mm
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5.89ct Natural Medium Pink Andesine Labradorite, Pear Shape, Transparent, Photo A

5.89ct Natural Medium Pink Andesine Labradorite, Pear Shape, Transparent

Andesine Labradorite

5.89ct1 pc
$ 88.35
17.8 x 9.9 mm
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1.41ct Natural Fire Orange Opal, Round, Translucent, Photo A

1.41ct Natural Fire Orange Opal, Round, Translucent

Opal

1.41ct1 pc
$ 44.93
8 mm (calibrated)
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0.64ct Natural Deep Wine Red Tourmaline, Round, Transparent, Photo A

0.64ct Natural Deep Wine Red Tourmaline, Round, Transparent

Tourmaline

0.64ct1 pc
$ 30.72
5.3 mm
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31.56ct Natural Multicolor Rhodonite, Pear Shape, Opaque, Photo A

31.56ct Natural Multicolor Rhodonite, Pear Shape, Opaque

Rhodonite

31.56ct1 pc
$ 18.30
26.9 x 23.4 mm
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25.37ct Natural Pineapple Yellow Quartz, Cushion, VVS, Photo A

25.37ct Natural Pineapple Yellow Quartz, Cushion, VVS

Quartz

25.37ct1 pc
$ 66.97
19 x 19 mm (calibrated)
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0.68ct Natural Lively Green Peridot, Oval, VS, Photo A

0.68ct Natural Lively Green Peridot, Oval, VS

Peridot

0.68ct1 pc
$ 5.71
6.3 x 4.7 mm
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0.61ct Natural Multicolor Opal, Oval, Opaque, Photo A

0.61ct Natural Multicolor Opal, Oval, Opaque

Opal

0.61ct1 pc
$ 21.96
7 x 5 mm (calibrated)
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0.33ct Natural Earthy Green Sapphire, Square, VS, Photo A

0.33ct Natural Earthy Green Sapphire, Square, VS

Sapphire

0.33ct1 pc
$ 55.44
3.5 x 3.4 mm
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2.40ct Natural Reddish Orange Andesine Labradorite, Cushion, Transparent, Photo A

2.40ct Natural Reddish Orange Andesine Labradorite, Cushion, Transparent

Andesine Labradorite

2.40ct1 pc
$ 36.00
9.9 x 7.5 mm
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16.43ct Natural Earthy Green Maw-Sit-Sit, Oval, Opaque, Photo A

16.43ct Natural Earthy Green Maw-Sit-Sit, Oval, Opaque

Maw-Sit-Sit

16.43ct1 pc
$ 43.38
15.2 x 12.8 mm
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1.44ct Natural Clear White Sillimanite Cat's Eye, Oval, Transparent, Photo A

1.44ct Natural Clear White Sillimanite Cat's Eye, Oval, Transparent

Sillimanite Cat's Eye

1.44ct1 pc
$ 5.70
7.5 x 5.6 mm
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1.89ct Natural Multicolor Opal, Oval, Translucent, Photo A

1.89ct Natural Multicolor Opal, Oval, Translucent

Opal

1.89ct1 pc
$ 56.70
10 x 8 mm (calibrated)
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1.16ct Natural Multicolor Sapphire, Cushion, VS, Photo A

1.16ct Natural Multicolor Sapphire, Cushion, VS

Sapphire

1.16ct1 pc
$ 139.20
6.4 x 5.3 mm
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1.11ctw Natural Light Reddish Violet Amethyst, Cushion, Transparent, Photo A

1.11ctw Natural Light Reddish Violet Amethyst, Cushion, Transparent

Amethyst

1.11ct total2 pcs
$ 9.32
5 x 5 mm (calibrated)
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0.71ct Natural Earthy Green Tourmaline, Baguette, VVS-VS, Photo A

0.71ct Natural Earthy Green Tourmaline, Baguette, VVS-VS

Tourmaline

0.71ct1 pc
$ 29.82
10.4 x 2.8 mm
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8.96ct Natural Gingerbread Brown Tiger's Eye, Oval, Opaque, Photo A

8.96ct Natural Gingerbread Brown Tiger's Eye, Oval, Opaque

Tiger's Eye

8.96ct1 pc
$ 6.35
18 x 13 mm (calibrated)
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2.44ctw Natural Deep Scarlet Red Rhodolite Garnet, Square, VS, Photo A

2.44ctw Natural Deep Scarlet Red Rhodolite Garnet, Square, VS

Rhodolite Garnet

2.44ct total4 pcs
$ 25.74
5 x 5 mm (calibrated)
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0.73ct Natural Light Golden-Yellow Beryl, Oval, VVS-VS, Photo A

0.73ct Natural Light Golden-Yellow Beryl, Oval, VVS-VS

Beryl

0.73ct1 pc
$ 21.90
7.1 x 5.2 mm
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0.50ct Natural Deep Orange Sphalerite, Oval, SI, Photo A

0.50ct Natural Deep Orange Sphalerite, Oval, SI

Sphalerite

0.50ct1 pc
$ 30.00
5 x 4 mm (calibrated)
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48.69ct Natural Multicolor Chrysocolla, Pear Shape, Opaque, Photo A
Chrysocolla Product Video (658139)

48.69ct Natural Multicolor Chrysocolla, Pear Shape, Opaque

Chrysocolla

48.69ct1 pc
$ 99.91
35.2 x 21.1 mm
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1.99ctw Natural Swiss Blue Topaz, Fancy, VVS-VS, Photo A

1.99ctw Natural Swiss Blue Topaz, Fancy, VVS-VS

Topaz

1.99ct total2 pcs
$ 13.14
7.3 x 5.1 mm
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64.06ct Natural Multicolor Tiger's Eye Matrix, Pear Shape, Opaque, Photo A

64.06ct Natural Multicolor Tiger's Eye Matrix, Pear Shape, Opaque

Tiger's Eye Matrix

64.06ct1 pc
$ 34.60
33.9 x 33.3 mm
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5.05ct Natural Multicolor Labradorite, Round, Translucent, Photo A

5.05ct Natural Multicolor Labradorite, Round, Translucent

Labradorite

5.05ct1 pc
$ 12.32
10 mm (calibrated)
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40.32ct Natural Black Gray Hematite, Round, Opaque, Photo A

40.32ct Natural Black Gray Hematite, Round, Opaque

Hematite

40.32ct1 pc
$ 44.71
21.8 mm
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0.39ct Natural Purple-Pink Sapphire, Oval, VVS-VS, Photo A

0.39ct Natural Purple-Pink Sapphire, Oval, VVS-VS

Sapphire

0.39ct1 pc
$ 44.32
6 x 4 mm (calibrated)
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27.33ct Natural Multicolor Labradorite, Baguette, Opaque, Photo A

27.33ct Natural Multicolor Labradorite, Baguette, Opaque

Labradorite

27.33ct1 pc
$ 29.52
29.3 x 16.4 mm
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50.37ct Natural Multicolor Jasper, Oval, Opaque, Photo A

50.37ct Natural Multicolor Jasper, Oval, Opaque

Jasper

50.37ct1 pc
$ 27.94
38.9 x 26.4 mm
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3.77ctw Natural Swiss Blue Topaz, Pear Shape, VS, Photo A

3.77ctw Natural Swiss Blue Topaz, Pear Shape, VS

Topaz

3.77ct total6 pcs
$ 34.84
6.4 x 4.2 mm
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Why Buy Octagon Shape 27 X 20 Mm Gems from GemSelect?

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones..

Posted By Steven M. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

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.

Posted By Jac in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Loved everything. High quality, quick shipping, and authentication included.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.

Posted By JD in July, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I did not have any problems

Posted By Clilrichard in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
Source: Bizrate
Enlarged Gemstone Image