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Buy Octagon Shape 14x12 mm Gems

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0.95ctw Natural Scarlet Red Pyrope Garnet, Square, VS, Photo A

0.95ctw Natural Scarlet Red Pyrope Garnet, Square, VS

Pyrope Garnet

0.95ct total2 pcs
$ 8.78
4 x 4 mm (calibrated)
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0.74ct Natural Multicolor Chocolate Opal, Oval, Opaque, Photo A

0.74ct Natural Multicolor Chocolate Opal, Oval, Opaque

Chocolate Opal

0.74ct1 pc
$ 26.64
8 x 6 mm (calibrated)
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4.72ctw Natural Clear White Zircon, Round, VVS-VS, Photo A
Zircon Product Video (359373)

4.72ctw Natural Clear White Zircon, Round, VVS-VS

Zircon

4.72ct total4 pcs
$ 93.46
6 mm (calibrated)
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4.97ct Natural Light Green Blue Grandidierite, Oval, SI, Photo A

4.97ct Natural Light Green Blue Grandidierite, Oval, SI

Grandidierite

4.97ct1 pc
$ 262.42
11.7 x 10.4 mm
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0.87ct Natural Multicolor Opal, Oval, Opaque, Photo A

0.87ct Natural Multicolor Opal, Oval, Opaque

Opal

0.87ct1 pc
$ 31.32
8 x 6 mm (calibrated)
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4.23ct Natural Medium Brown Smoky Quartz, Round, VVS-VS, Photo A

4.23ct Natural Medium Brown Smoky Quartz, Round, VVS-VS

Smoky Quartz

4.23ct1 pc
$ 8.39
11 mm (calibrated)
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17.51ct Natural Medium Violet Amethyst, Cushion, VS, Photo A

17.51ct Natural Medium Violet Amethyst, Cushion, VS

Amethyst

17.51ct1 pc
$ 147.08
20 x 15 mm (calibrated)
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11.95ct Natural Deep Gold Citrine, Baguette, VS, Photo A
Citrine Product Video (751379)

11.95ct Natural Deep Gold Citrine, Baguette, VS

Citrine

11.95ct1 pc
$ 95.60
15.5 x 11.6 mm
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2.74ct Natural Warm Brown Smoky Quartz, Marquise, VVS, Photo A

2.74ct Natural Warm Brown Smoky Quartz, Marquise, VVS

Smoky Quartz

2.74ct1 pc
$ 19.73
18.1 x 7.1 mm
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1.66ctw Natural Dark Red Pyrope Garnet, Heart, VVS-VS, Photo A

1.66ctw Natural Dark Red Pyrope Garnet, Heart, VVS-VS

Pyrope Garnet

1.66ct total2 pcs
$ 15.34
6 x 6 mm (calibrated)
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0.90ct Natural Multicolor Opal, Fancy, Translucent, Photo A

0.90ct Natural Multicolor Opal, Fancy, Translucent

Opal

0.90ct1 pc
$ 30.24
8.9 x 6.4 mm
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2.45ct Natural Medium Light-Orange Moonstone, Marquise, Translucent, Photo A

2.45ct Natural Medium Light-Orange Moonstone, Marquise, Translucent

Moonstone

2.45ct1 pc
$ 5.88
14 x 7 mm (calibrated)
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25.76ct Natural Pinkish Violet Amethyst, Oval, VVS, Photo A
Amethyst Product Video (509130)

25.76ct Natural Pinkish Violet Amethyst, Oval, VVS

Amethyst

25.76ct1 pc
$ 238.02
20.7 x 16.4 mm
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0.48ctw Natural Medium Light Green Sapphire, Square, VS, Photo A

0.48ctw Natural Medium Light Green Sapphire, Square, VS

Sapphire

0.48ct total2 pcs
$ 80.64
3 x 3 mm (calibrated)
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0.62ct Natural Yellowish Green Sapphire, Heart, VS, Photo A

0.62ct Natural Yellowish Green Sapphire, Heart, VS

Sapphire

0.62ct1 pc
$ 40.86
5 x 5 mm (calibrated)
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2.63ct Natural Blood Red Andesine Labradorite, Oval, Transparent/Translucent, Photo A
Andesine Labradorite Product Video (334784)

2.63ct Natural Blood Red Andesine Labradorite, Oval, Transparent/Translucent

Andesine Labradorite

2.63ct1 pc
$ 41.66
10 x 8 mm (calibrated)
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2.35ctw Natural Amber Orange Spessartite Garnet, Round, VS, Photo A

2.35ctw Natural Amber Orange Spessartite Garnet, Round, VS

Spessartite Garnet

2.35ct total4 pcs
$ 96.17
4.5 mm (calibrated)
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0.79ct Natural Deep Purple Spinel, Cushion, VS, Photo A

0.79ct Natural Deep Purple Spinel, Cushion, VS

Spinel

0.79ct1 pc
$ 79.00
5.5 x 4.3 mm
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1.45ct Natural Tuscany Yellow Beryl, Round, VVS, Photo A

1.45ct Natural Tuscany Yellow Beryl, Round, VVS

Beryl

1.45ct1 pc
$ 34.80
8 mm (calibrated)
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1.57ctw Natural Medium Red Pyrope Garnet, Square, VS, Photo A

1.57ctw Natural Medium Red Pyrope Garnet, Square, VS

Pyrope Garnet

1.57ct total2 pcs
$ 14.51
5 x 5 mm (calibrated)
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26.55ct Natural Multicolor Jasper, Baguette, Opaque, Photo A

26.55ct Natural Multicolor Jasper, Baguette, Opaque

Jasper

26.55ct1 pc
$ 19.63
27.2 x 14.9 mm
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3.00ctw Natural Dark Brown Kornerupine, Oval, VVS-VS, Photo A

3.00ctw Natural Dark Brown Kornerupine, Oval, VVS-VS

Kornerupine

3.00ct total4 pcs
$ 144.00
7 x 5 mm (calibrated)
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9.50ct Natural Multicolor Boulder Opal, Fancy, Opaque, Photo A

9.50ct Natural Multicolor Boulder Opal, Fancy, Opaque

Boulder Opal

9.50ct1 pc
$ 57.00
18.2 x 14 mm
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8.90ct Natural Black Star Diopside, Round, Opaque, Photo A

8.90ct Natural Black Star Diopside, Round, Opaque

Star Diopside

8.90ct1 pc
$ 53.40
12 mm (calibrated)
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46.24ct Natural Multicolor Jasper, Cushion, Opaque, Photo A

46.24ct Natural Multicolor Jasper, Cushion, Opaque

Jasper

46.24ct1 pc
$ 27.47
33.6 x 25.5 mm
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9.95ct Natural Bluish Grey Jadeite, Oval, Translucent, Photo A

9.95ct Natural Bluish Grey Jadeite, Oval, Translucent

Jadeite

9.95ct1 pc
$ 35.82
20 x 15 mm (calibrated)
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2.13ctw Natural Light Blue Green Apatite, Oval, Transparent, Photo A

2.13ctw Natural Light Blue Green Apatite, Oval, Transparent

Apatite

2.13ct total5 pcs
$ 38.34
4.8 x 3.9 mm
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4.26ct Natural Black Star Sapphire, Oval, Opaque, Photo A

4.26ct Natural Black Star Sapphire, Oval, Opaque

Star Sapphire

4.26ct1 pc
$ 76.68
10.7 x 8.3 mm
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15.41ct Natural Multicolor Boulder Opal, Oval, Opaque, Photo A

15.41ct Natural Multicolor Boulder Opal, Oval, Opaque

Boulder Opal

15.41ct1 pc
$ 92.46
20 x 15 mm (calibrated)
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1.65ct Natural Deep Green Tourmaline, Oval, VVS, Photo A
Tourmaline Product Video (729881)

1.65ct Natural Deep Green Tourmaline, Oval, VVS

Tourmaline

1.65ct1 pc
$ 277.20
8.4 x 7 mm
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9.00ct Natural Dark Green Uvarovite Garnet Drusy, Fancy, Opaque, Photo A

9.00ct Natural Dark Green Uvarovite Garnet Drusy, Fancy, Opaque

Uvarovite Garnet Drusy

9.00ct1 pc
$ 35.28
14 x 14 mm (calibrated)
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2.13ct Natural Swiss Blue Topaz, Octagon / Emerald Cut, VVS, Photo A

2.13ct Natural Swiss Blue Topaz, Octagon / Emerald Cut, VVS

Topaz

2.13ct1 pc
$ 17.04
8 x 6 mm (calibrated)
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Why Buy Octagon Shape 14x12 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

A pleasant experience and many choices to choose from

Posted By Krackenking in November, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Fast and reliable service.

Posted By Zæck in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I love the products. I've bought them as gifts and people love my gifts

Posted By Love it! in February, 2026
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
Source: Bizrate

Overall Rating -> 10 star ratings

selection was broad and the check out was quick. Great site

Posted By JC Karl in September, 2025
Source: Bizrate
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