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Buy Octagon Shape 27 x 20 mm Gems

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2.26ct Natural Multicolor Spectrolite, Oval, Opaque, Photo A

2.26ct Natural Multicolor Spectrolite, Oval, Opaque

Spectrolite

2.26ct1 pc
$ 12.44
10 x 8 mm (calibrated)
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2.16ctw Natural Black Onyx, Round, Opaque, Photo A

2.16ctw Natural Black Onyx, Round, Opaque

Onyx

2.16ct total2 pcs
$ 5.18
5.5 mm (calibrated)
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1.72ctw Natural Medium-Light Orange Sunstone, Oval, Translucent, Photo A

1.72ctw Natural Medium-Light Orange Sunstone, Oval, Translucent

Sunstone

1.72ct total2 pcs
$ 15.89
7 x 5 mm (calibrated)
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0.21ct Natural Bright Green Kornerupine, Round, SI, Photo A
Kornerupine Product Video (564783)

0.21ct Natural Bright Green Kornerupine, Round, SI

Kornerupine

0.21ct1 pc
$ 95.57
3.8 mm
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6.92ct Natural Multicolor Black Opal, Trillion, Opaque, Photo A
Black Opal Product Video (744007)

6.92ct Natural Multicolor Black Opal, Trillion, Opaque

Black Opal

6.92ct1 pc
$ 346.00
18 x 13 mm (calibrated)
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2.00ct Natural Medium-Dark Orange Zircon, Oval, VVS-VS, Photo A

2.00ct Natural Medium-Dark Orange Zircon, Oval, VVS-VS

Zircon

2.00ct1 pc
$ 52.67
8 x 6 mm (calibrated)
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0.52ctw Natural Orange-Gold Sapphire, Square, VS, Photo A

0.52ctw Natural Orange-Gold Sapphire, Square, VS

Sapphire

0.52ct total2 pcs
$ 40.93
3.3 x 3.3 mm
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2.65ctw Natural Golden Sapphire, Round, VVS-VS, Photo A

2.65ctw Natural Golden Sapphire, Round, VVS-VS

Sapphire

2.65ct total4 pcs
$ 210.05
5 mm (calibrated)
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1.58ct Natural Bright Orange Fire Opal, Oval, Transparent, Photo A

1.58ct Natural Bright Orange Fire Opal, Oval, Transparent

Fire Opal

1.58ct1 pc
$ 64.26
11.1 x 8 mm
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1.37ct Natural Orange-Gold Citrine, Octagon / Emerald Cut, VVS-VS, Photo A

1.37ct Natural Orange-Gold Citrine, Octagon / Emerald Cut, VVS-VS

Citrine

1.37ct1 pc
$ 11.51
8 x 6 mm (calibrated)
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72.98ct Natural Deep Violet Charoite, Fancy, Opaque, Photo A
Charoite Product Video (435152)

72.98ct Natural Deep Violet Charoite, Fancy, Opaque

Charoite

72.98ct1 pc
$ 144.50
43.6 x 28.3 mm
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27.16ct Natural Greyish White Howlite, Oval, Opaque, Photo A

27.16ct Natural Greyish White Howlite, Oval, Opaque

Howlite

27.16ct1 pc
$ 15.65
29 x 18.3 mm
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0.75ct Natural Dark Green Tourmaline, Baguette, VVS, Photo A

0.75ct Natural Dark Green Tourmaline, Baguette, VVS

Tourmaline

0.75ct1 pc
$ 31.50
9.7 x 3 mm
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0.67ct Natural Warm Forest Green Sapphire, Oval, VVS, Photo A

0.67ct Natural Warm Forest Green Sapphire, Oval, VVS

Sapphire

0.67ct1 pc
$ 59.68
5 x 4 mm (calibrated)
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0.59ct Natural Deep Blue Sapphire, Round, VVS, Photo A

0.59ct Natural Deep Blue Sapphire, Round, VVS

Sapphire

0.59ct1 pc
$ 423.14
5 mm (calibrated)
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3.85ctw Natural Reddish Orange Hessonite Garnet, Square, VS-SI, Photo A

3.85ctw Natural Reddish Orange Hessonite Garnet, Square, VS-SI

Hessonite Garnet

3.85ct total2 pcs
$ 84.70
6.7 x 6.6 mm
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3.01ct Natural Intense Violet Blue Tanzanite, Oval, Transparent, Photo A

3.01ct Natural Intense Violet Blue Tanzanite, Oval, Transparent

Tanzanite

3.01ct1 pc
$ 28.90
10 x 8 mm (calibrated)
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0.72ct Natural Reddish Orange Sphalerite, Round, SI, Photo A

0.72ct Natural Reddish Orange Sphalerite, Round, SI

Sphalerite

0.72ct1 pc
$ 43.20
5 mm (calibrated)
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7.46ct Natural Medium Brown Smoky Quartz, Round, VVS-VS, Photo A

7.46ct Natural Medium Brown Smoky Quartz, Round, VVS-VS

Smoky Quartz

7.46ct1 pc
$ 14.77
13 mm (calibrated)
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6.11ctw Natural Very Light Brown Moonstone, Flower Cut, Translucent, Photo A

6.11ctw Natural Very Light Brown Moonstone, Flower Cut, Translucent

Moonstone

6.11ct total2 pcs
$ 32.26
11.6 x 11.5 mm
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7.45ctw Natural Multicolor Labradorite, Pear Shape, Translucent, Photo A

7.45ctw Natural Multicolor Labradorite, Pear Shape, Translucent

Labradorite

7.45ct total2 pcs
$ 19.85
12 x 8 mm (calibrated)
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10.46ct Natural Multicolor Coral, Pear Shape, Translucent, Photo A

10.46ct Natural Multicolor Coral, Pear Shape, Translucent

Coral

10.46ct1 pc
$ 27.61
20 x 15 mm (calibrated)
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3.77ct Natural Bubblegum Pink Rose Quartz, Octagon / Emerald Cut, Transparent, Photo A

3.77ct Natural Bubblegum Pink Rose Quartz, Octagon / Emerald Cut, Transparent

Rose Quartz

3.77ct1 pc
$ 24.89
9 x 9 mm (calibrated)
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1.58ct Natural Warm White Sillimanite Cat's Eye, Oval, Transparent, Photo A

1.58ct Natural Warm White Sillimanite Cat's Eye, Oval, Transparent

Sillimanite Cat's Eye

1.58ct1 pc
$ 7.58
5.9 x 5.6 mm
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3.68ctw Natural White Zircon, Round, VS, Photo A

3.68ctw Natural White Zircon, Round, VS

Zircon

3.68ct total2 pcs
$ 119.70
7 mm (calibrated)
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13.76ct Natural Bluish White Rainbow Moonstone, Oval, Transparent, Photo A
Rainbow Moonstone Product Video (668709)

13.76ct Natural Bluish White Rainbow Moonstone, Oval, Transparent

Rainbow Moonstone

13.76ct1 pc
$ 297.22
17.5 x 12.3 mm
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1.90ct Natural White Zircon, Round, VS, Photo A

1.90ct Natural White Zircon, Round, VS

Zircon

1.90ct1 pc
$ 62.70
7 mm (calibrated)
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0.98ct Natural Mellow Yellow Color-Change Diaspore, Cushion, VVS-VS, Photo A

0.98ct Natural Mellow Yellow Color-Change Diaspore, Cushion, VVS-VS

Color-Change Diaspore

0.98ct1 pc
$ 62.33
6 x 5.7 mm
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0.39ct Natural Deep Orange Spessartite Garnet, Pear Shape, SI, Photo A

0.39ct Natural Deep Orange Spessartite Garnet, Pear Shape, SI

Spessartite Garnet

0.39ct1 pc
$ 15.91
4.9 x 3.8 mm
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1.65ct Natural Light Orange Moonstone, Cushion, Translucent, Photo A

1.65ct Natural Light Orange Moonstone, Cushion, Translucent

Moonstone

1.65ct1 pc
$ 3.96
8 x 8 mm (calibrated)
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2.51ctw Natural Light Red Rubies, Oval, VS, Photo A

2.51ctw Natural Light Red Rubies, Oval, VS

Ruby

2.51ct total2 pcs
$ 165.66
7.1 x 5.2 mm
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27.96ctw Natural Multicolor Coral, Oval, Opaque, Photo A

27.96ctw Natural Multicolor Coral, Oval, Opaque

Coral

27.96ct total2 pcs
$ 63.85
22.1 x 13.2 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 -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I enjoy doing buisness with GemSelect. It is always a pleasure and you get what you ordered!

Posted By Ballpark in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.

Posted By MVK in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Was a good experience.

Posted By Tim in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, package and info of your gems.

Posted By Diana in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.

Posted By YE in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.

Posted By DNaber in October, 2025
Source: Bizrate
Enlarged Gemstone Image