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Buy Octagon Shape 27 x 20 mm Gems

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1.65ct Natural Multicolor Opal, Pear Shape, Transparent, Photo A

1.65ct Natural Multicolor Opal, Pear Shape, Transparent

Opal

1.65ct1 pc
$ 93.66
12 x 8 mm (calibrated)
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6.98ctw Natural Lime Green Prehnite, Oval, Transparent, Photo A

6.98ctw Natural Lime Green Prehnite, Oval, Transparent

Prehnite

6.98ct total4 pcs
$ 64.50
7.7 x 6.6 mm
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0.38ct Natural Very Light Royal Purple Pink Spinel, Cushion, VS, Photo A

0.38ct Natural Very Light Royal Purple Pink Spinel, Cushion, VS

Spinel

0.38ct1 pc
$ 31.92
4.4 x 4.2 mm
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5.35ct Natural Medium Rose Pink Rose Quartz, Octagon / Emerald Cut, Transparent, Photo A

5.35ct Natural Medium Rose Pink Rose Quartz, Octagon / Emerald Cut, Transparent

Rose Quartz

5.35ct1 pc
$ 35.32
11 x 11 mm (calibrated)
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1.44ct Natural Bright Green Tsavorite Garnet, Heart, VVS-VS, Photo A

1.44ct Natural Bright Green Tsavorite Garnet, Heart, VVS-VS

Tsavorite Garnet

1.44ct1 pc
$ 936.00
8.8 x 6.3 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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1.10ct Natural Multicolor Opal, Pear Shape, Transparent, Photo A

1.10ct Natural Multicolor Opal, Pear Shape, Transparent

Opal

1.10ct1 pc
$ 33.00
11.1 x 6.6 mm
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0.47ctw Natural Medium Orange Sapphire, Square, VS, Photo A

0.47ctw Natural Medium Orange Sapphire, Square, VS

Sapphire

0.47ct total2 pcs
$ 37.00
3.2 x 3.2 mm
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0.94ct Natural Deep Orange Hessonite Garnet, Cushion, VS-SI, Photo A

0.94ct Natural Deep Orange Hessonite Garnet, Cushion, VS-SI

Hessonite Garnet

0.94ct1 pc
$ 20.30
7 x 5 mm (calibrated)
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0.84ct Natural Very Light Grey Sillimanite Cat's Eye, Oval, Transparent, Photo A

0.84ct Natural Very Light Grey Sillimanite Cat's Eye, Oval, Transparent

Sillimanite Cat's Eye

0.84ct1 pc
$ 3.32
6.1 x 4.2 mm
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0.61ct Natural Reddish Orange Sapphire, Oval, VVS-VS, Photo A

0.61ct Natural Reddish Orange Sapphire, Oval, VVS-VS

Sapphire

0.61ct1 pc
$ 109.80
6 x 5.2 mm
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5.30ct Natural Cantaloupe Orange Moonstone, Oval, Translucent, Photo A

5.30ct Natural Cantaloupe Orange Moonstone, Oval, Translucent

Moonstone

5.30ct1 pc
$ 13.78
12 x 8 mm (calibrated)
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4.47ct Natural Warm Brown Tiger's Eye, Oval, Opaque, Photo A

4.47ct Natural Warm Brown Tiger's Eye, Oval, Opaque

Tiger's Eye

4.47ct1 pc
$ 5.36
14 x 10 mm (calibrated)
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15.19ct Natural Pearl White Mother of Pearl, Flower Cut, Opaque, Photo A

15.19ct Natural Pearl White Mother of Pearl, Flower Cut, Opaque

Mother of Pearl

15.19ct1 pc
$ 60.16
24 x 15.7 mm
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2.60ct Natural Dark Orange-Gold Citrine, Oval, VVS-VS, Photo A

2.60ct Natural Dark Orange-Gold Citrine, Oval, VVS-VS

Citrine

2.60ct1 pc
$ 24.02
11.5 x 8.1 mm
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2.77ctw Natural Bluish White Rainbow Moonstone, Square, Transparent, Photo A

2.77ctw Natural Bluish White Rainbow Moonstone, Square, Transparent

Rainbow Moonstone

2.77ct total20 pcs
$ 63.25
3 x 3 mm (calibrated)
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3.50ct Natural Medium-Dark Golden Citrine, Cushion, VVS, Photo A

3.50ct Natural Medium-Dark Golden Citrine, Cushion, VVS

Citrine

3.50ct1 pc
$ 32.34
12 x 8 mm (calibrated)
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1.60ctw Natural Bright Green Peridot, Oval, VS, Photo A

1.60ctw Natural Bright Green Peridot, Oval, VS

Peridot

1.60ct total2 pcs
$ 26.88
7 x 5 mm (calibrated)
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0.84ctw Natural White Sapphire, Round, VVS-VS, Photo A

0.84ctw Natural White Sapphire, Round, VVS-VS

Sapphire

0.84ct total2 pcs
$ 133.49
4.5 mm (calibrated)
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1.87ct Natural Multicolor Mystic Quartz, Trillion, VVS-VS, Photo A

1.87ct Natural Multicolor Mystic Quartz, Trillion, VVS-VS

Mystic Quartz

1.87ct1 pc
$ 13.46
8 x 8 mm (calibrated)
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0.69ct Natural Midnight Blue Sapphire, Marquise, VVS-VS, Photo A

0.69ct Natural Midnight Blue Sapphire, Marquise, VVS-VS

Sapphire

0.69ct1 pc
$ 194.00
8.3 x 4.2 mm
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7.67ctw Natural Deep Red Pyrope Garnet, Marquise, VVS-VS, Photo A

7.67ctw Natural Deep Red Pyrope Garnet, Marquise, VVS-VS

Pyrope Garnet

7.67ct total4 pcs
$ 91.43
12.1 x 6 mm
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0.98ct Natural Medium Purple Spinel, Marquise, VS, Photo A

0.98ct Natural Medium Purple Spinel, Marquise, VS

Spinel

0.98ct1 pc
$ 97.02
9 x 4.7 mm
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6.78ctw Natural Multicolor Labradorite, Square, Transparent, Photo A

6.78ctw Natural Multicolor Labradorite, Square, Transparent

Labradorite

6.78ct total20 pcs
$ 9.49
4.6 x 4.6 mm
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0.96ct Natural Baby Blue Kyanite, Oval, SI, Photo A

0.96ct Natural Baby Blue Kyanite, Oval, SI

Kyanite

0.96ct1 pc
$ 28.80
7 x 5 mm (calibrated)
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0.66ct Natural Midnight Blue Sapphire, Marquise, VVS, Photo A

0.66ct Natural Midnight Blue Sapphire, Marquise, VVS

Sapphire

0.66ct1 pc
$ 185.57
8.2 x 4 mm
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2.46ct Natural Pink Berry Purple Rhodolite Garnet, Oval, VS, Photo A

2.46ct Natural Pink Berry Purple Rhodolite Garnet, Oval, VS

Rhodolite Garnet

2.46ct1 pc
$ 98.40
9 x 7 mm (calibrated)
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1.31ct Natural Light Yellow Sapphire, Cushion, VVS, Photo A
Sapphire Product Video (460881)

1.31ct Natural Light Yellow Sapphire, Cushion, VVS

Sapphire

1.31ct1 pc
$ 518.76
7.4 x 5.7 mm
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6.49ctw Natural Dark Violet Amethyst, Oval, Transparent, Photo A

6.49ctw Natural Dark Violet Amethyst, Oval, Transparent

Amethyst

6.49ct total2 pcs
$ 42.84
12 x 8 mm (calibrated)
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1.13ct Natural Orange Brown Zircon, Oval, VS, Photo A

1.13ct Natural Orange Brown Zircon, Oval, VS

Zircon

1.13ct1 pc
$ 20.34
6.2 x 5 mm
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1.40ct Natural Orange-Gold Sapphire, Oval, VS-SI, Photo A

1.40ct Natural Orange-Gold Sapphire, Oval, VS-SI

Sapphire

1.40ct1 pc
$ 64.60
8 x 6 mm (calibrated)
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6.22ct Natural Medium Green Malachite, Oval, Opaque, Photo A

6.22ct Natural Medium Green Malachite, Oval, Opaque

Malachite

6.22ct1 pc
$ 6.22
14 x 10 mm (calibrated)
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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

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection. Maybe too great i kept adding and deleting stuff because i found better looking ones

Posted By Edsor works in October, 2025
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Overall Rating -> 10 star ratings

I have a beautiful emerald I purchased from a company names gemselect and they are awesome! You should try them out?

Posted By Lynn in September, 2025
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Overall Rating -> 10 star ratings

Love, and have always loved, your website.

Posted By Aberabic in July, 2025
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Overall Rating -> 10 star ratings

Good. I ts very user friendly.

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Overall Rating -> 9 star ratings

I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!

Posted By Leo in March, 2025
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