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Buy Octagon Shape 27 x 20 mm Gems

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9.05ct Natural Turquoise Grandidierite, Oval, Translucent, Photo A
Grandidierite Product Video (471787)

9.05ct Natural Turquoise Grandidierite, Oval, Translucent

Grandidierite

9.05ct1 pc
$ 836.22
14 x 10.5 mm
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7.71ct Natural Multicolor Fire Agate, Fancy, Opaque, Photo A

7.71ct Natural Multicolor Fire Agate, Fancy, Opaque

Fire Agate

7.71ct1 pc
$ 79.28
13.9 x 12.7 mm
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1.08ct Natural Very Pale Yellow Color-Change Diaspore, Baguette, VVS-VS, Photo A

1.08ct Natural Very Pale Yellow Color-Change Diaspore, Baguette, VVS-VS

Color-Change Diaspore

1.08ct1 pc
$ 68.69
11.7 x 3.6 mm
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1.29ct Natural Medium Green Tourmaline, Oval, Transparent, Photo A

1.29ct Natural Medium Green Tourmaline, Oval, Transparent

Tourmaline

1.29ct1 pc
$ 25.76
8 x 6 mm (calibrated)
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5.81ct Natural Golden Orange Cat's Eye Opal, Oval, Opaque, Photo A

5.81ct Natural Golden Orange Cat's Eye Opal, Oval, Opaque

Cat's Eye Opal

5.81ct1 pc
$ 20.92
14 x 10 mm (calibrated)
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0.92ct Natural Medium Dark-Orange Hessonite Garnet, Oval, VS, Photo A

0.92ct Natural Medium Dark-Orange Hessonite Garnet, Oval, VS

Hessonite Garnet

0.92ct1 pc
$ 16.93
6.7 x 5.4 mm
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0.49ct Natural Tuscany Yellow Citrine, Cushion, VVS, Photo A

0.49ct Natural Tuscany Yellow Citrine, Cushion, VVS

Citrine

0.49ct1 pc
$ 4.12
5 x 5 mm (calibrated)
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29.09ctw Natural Multicolor Fossil Coral, Cushion, Opaque, Photo A

29.09ctw Natural Multicolor Fossil Coral, Cushion, Opaque

Fossil Coral

29.09ct total2 pcs
$ 43.78
20.5 x 13.2 mm
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10.63ct Natural Multicolor Coral, Oval, Translucent, Photo A

10.63ct Natural Multicolor Coral, Oval, Translucent

Coral

10.63ct1 pc
$ 28.07
20 x 15 mm (calibrated)
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2.04ctw Natural Forest Green Demantoid Garnet, Oval, VS, Photo A
Demantoid Garnet Product Video (458679)

2.04ctw Natural Forest Green Demantoid Garnet, Oval, VS

Demantoid Garnet

2.04ct total5 pcs
$ 269.28
4.9 x 4.1 mm
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1.06ct Natural Medium Orange Moonstone, Cushion, Translucent, Photo A

1.06ct Natural Medium Orange Moonstone, Cushion, Translucent

Moonstone

1.06ct1 pc
$ 2.54
6.3 x 5.9 mm
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1.27ct Natural Brown Chocolate Opal, Oval, Translucent, Photo A

1.27ct Natural Brown Chocolate Opal, Oval, Translucent

Chocolate Opal

1.27ct1 pc
$ 45.72
10 x 7.5 mm
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3.90ctw Natural Warm White Topaz, Square, VS, Photo A

3.90ctw Natural Warm White Topaz, Square, VS

Topaz

3.90ct total10 pcs
$ 36.04
4 x 4 mm (calibrated)
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3.28ct Natural Cream Andesine Labradorite, Oval, Transparent, Photo A

3.28ct Natural Cream Andesine Labradorite, Oval, Transparent

Andesine Labradorite

3.28ct1 pc
$ 86.59
10.6 x 8.3 mm
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0.71ct Natural Mellow Yellow Color-Change Diaspore, Octagon / Emerald Cut, VVS, Photo A

0.71ct Natural Mellow Yellow Color-Change Diaspore, Octagon / Emerald Cut, VVS

Color-Change Diaspore

0.71ct1 pc
$ 45.16
7.4 x 4.2 mm
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20.02ct Natural Golden Brown Tiger's Eye, Fancy, Opaque, Photo A

20.02ct Natural Golden Brown Tiger's Eye, Fancy, Opaque

Tiger's Eye

20.02ct1 pc
$ 13.21
31.7 x 8.7 mm
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4.30ct Natural Medium-Light Yellow Quartz, Flower Cut, Transparent, Photo A

4.30ct Natural Medium-Light Yellow Quartz, Flower Cut, Transparent

Quartz

4.30ct1 pc
$ 17.03
12 x 12 mm (calibrated)
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7.63ct Natural Blue Green Larimar, Oval, Opaque, Photo A

7.63ct Natural Blue Green Larimar, Oval, Opaque

Larimar

7.63ct1 pc
$ 118.92
15 x 10 mm (calibrated)
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4.62ct Natural Multicolor Fire Agate, Fancy, Opaque, Photo A

4.62ct Natural Multicolor Fire Agate, Fancy, Opaque

Fire Agate

4.62ct1 pc
$ 42.80
13.5 x 10.5 mm
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4.52ct Natural Yellowish Brown Tiger's Eye, Oval, Opaque, Photo A

4.52ct Natural Yellowish Brown Tiger's Eye, Oval, Opaque

Tiger's Eye

4.52ct1 pc
$ 5.42
14 x 10 mm (calibrated)
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7.56ctw Natural Warm White Moonstone, Round, Translucent, Photo A

7.56ctw Natural Warm White Moonstone, Round, Translucent

Moonstone

7.56ct total2 pcs
$ 24.95
9 mm (calibrated)
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2.36ct Natural Multicolor Opal, Oval, Translucent, Photo A

2.36ct Natural Multicolor Opal, Oval, Translucent

Opal

2.36ct1 pc
$ 71.51
11.6 x 8.9 mm
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1.80ct Natural Dark Orange Hessonite Garnet, Octagon / Emerald Cut, VS, Photo A

1.80ct Natural Dark Orange Hessonite Garnet, Octagon / Emerald Cut, VS

Hessonite Garnet

1.80ct1 pc
$ 42.77
6 x 6 mm (calibrated)
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0.79ct Natural Yellowish Green Sapphire, Oval, VS, Photo A

0.79ct Natural Yellowish Green Sapphire, Oval, VS

Sapphire

0.79ct1 pc
$ 96.54
7 x 5 mm (calibrated)
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2.43ct Natural Light Pink Morganite, Pear Shape, Translucent, Photo A

2.43ct Natural Light Pink Morganite, Pear Shape, Translucent

Morganite

2.43ct1 pc
$ 32.08
10.9 x 7 mm
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1.16ct Natural Pecan Brown Color-Change Garnet, Cushion, VS, Photo A

1.16ct Natural Pecan Brown Color-Change Garnet, Cushion, VS

Color-Change Garnet

1.16ct1 pc
$ 111.65
5.8 x 5.6 mm
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0.06ct Natural Green Diamond, Round, VVS-VS, Photo A
Diamond Product Video (695521)

0.06ct Natural Green Diamond, Round, VVS-VS

Diamond

0.06ct1 pc
$ 72.00
2.4 mm (calibrated)
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0.89ctw Natural Multicolor Opal, Oval, Transparent, Photo A

0.89ctw Natural Multicolor Opal, Oval, Transparent

Opal

0.89ct total2 pcs
$ 244.75
7 x 5 mm (calibrated)
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10.64ct Natural Earth Green Cat's Eye Opal, Oval, Opaque, Photo A

10.64ct Natural Earth Green Cat's Eye Opal, Oval, Opaque

Cat's Eye Opal

10.64ct1 pc
$ 31.92
14 x 14 mm (calibrated)
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4.10ct Natural Black Cat's Eye Scapolite, Oval, Opaque, Photo A

4.10ct Natural Black Cat's Eye Scapolite, Oval, Opaque

Cat's Eye Scapolite

4.10ct1 pc
$ 27.06
11 x 9 mm (calibrated)
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0.06ct Natural Blue Diamond, Square, VS-SI, Photo A

0.06ct Natural Blue Diamond, Square, VS-SI

Diamond

0.06ct1 pc
$ 80.81
2.2 x 2 mm
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7.68ct Natural Multicolor Opal Triplet, Fancy, Opaque, Photo A

7.68ct Natural Multicolor Opal Triplet, Fancy, Opaque

Opal Triplet

7.68ct1 pc
$ 230.40
24.8 x 11.8 mm
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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 -> 9 star ratings

Very easy to navigate with a great selection.

Posted By Bar181 in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I was looking for

Posted By Lincolnpremier in January, 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 -> 10 star ratings

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All good

Posted By DouscheGift in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

hassle free experience.

Posted By Jhidron in October, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly

Posted By Ron T in November, 2025
Source: Bizrate
Enlarged Gemstone Image