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Buy Octagon Shape 14x12 mm Gems

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1.73ct Natural Medium Gold Citrine, Round, VVS, Photo A

1.73ct Natural Medium Gold Citrine, Round, VVS

Citrine

1.73ct1 pc
$ 16.61
8 mm (calibrated)
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1.64ctw Natural Multicolor Opal, Oval, Transparent, Photo A

1.64ctw Natural Multicolor Opal, Oval, Transparent

Opal

1.64ct total4 pcs
$ 86.59
7 x 5 mm (calibrated)
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1.74ctw Natural Sky Blue Topaz, Pear Shape, VVS-VS, Photo A

1.74ctw Natural Sky Blue Topaz, Pear Shape, VVS-VS

Topaz

1.74ct total2 pcs
$ 11.48
7 x 5 mm (calibrated)
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16.73ct Natural Medium Dark-Purple Ruby-Zoisite, Flower Cut, Opaque, Photo A

16.73ct Natural Medium Dark-Purple Ruby-Zoisite, Flower Cut, Opaque

Ruby-Zoisite

16.73ct1 pc
$ 24.49
17.4 x 14.5 mm
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55.64ct Natural Schorl Tourmaline, Cushion, Opaque, Photo A
Tourmaline Product Video (685228)

55.64ct Natural Schorl Tourmaline, Cushion, Opaque

Tourmaline

55.64ct1 pc
$ 238.36
22.3 x 21.2 mm
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5.83ct Natural Light Golden Citrine, Briolette, VVS, Photo A

5.83ct Natural Light Golden Citrine, Briolette, VVS

Citrine

5.83ct1 pc
$ 39.32
14.8 x 8.2 mm
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1.12ct Natural Medium Dark-Red Ruby, Pear Shape, VS-SI, Photo A

1.12ct Natural Medium Dark-Red Ruby, Pear Shape, VS-SI

Ruby

1.12ct1 pc
$ 120.96
7 x 5 mm (calibrated)
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0.72ct Natural Medium Blue Kyanite, Oval, SI, Photo A

0.72ct Natural Medium Blue Kyanite, Oval, SI

Kyanite

0.72ct1 pc
$ 19.01
6.3 x 4.2 mm
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64.39ct Natural Deep Violet Charoite, Pear Shape, Opaque, Photo A
Charoite Product Video (567798)

64.39ct Natural Deep Violet Charoite, Pear Shape, Opaque

Charoite

64.39ct1 pc
$ 145.34
56.6 x 25.6 mm
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2.58ct Natural Dark Green Tourmaline, Octagon / Emerald Cut, VVS, Photo A

2.58ct Natural Dark Green Tourmaline, Octagon / Emerald Cut, VVS

Tourmaline

2.58ct1 pc
$ 77.40
18.6 x 4.1 mm
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8.67ct Natural Multicolor Fire Agate, Fancy, Opaque, Photo A

8.67ct Natural Multicolor Fire Agate, Fancy, Opaque

Fire Agate

8.67ct1 pc
$ 88.69
20.5 x 8.4 mm
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1.26ct Natural Light Yellow Color-Change Diaspore, Oval, SI, Photo A

1.26ct Natural Light Yellow Color-Change Diaspore, Oval, SI

Color-Change Diaspore

1.26ct1 pc
$ 81.62
6.8 x 5.5 mm
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13.11ct Natural Multicolor Black Opal, Oval, Opaque, Photo A

13.11ct Natural Multicolor Black Opal, Oval, Opaque

Black Opal

13.11ct1 pc
$ 655.50
22.8 x 17 mm
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1.59ct Natural Medium Violet Amethyst, Marquise, VS, Photo A

1.59ct Natural Medium Violet Amethyst, Marquise, VS

Amethyst

1.59ct1 pc
$ 14.69
12 x 6.1 mm
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0.74ctw Natural Medium Green Peridot, Pear Shape, VS, Photo A

0.74ctw Natural Medium Green Peridot, Pear Shape, VS

Peridot

0.74ct total2 pcs
$ 7.99
6 x 4 mm (calibrated)
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0.63ct Natural champagne Zircon, Oval, VVS, Photo A

0.63ct Natural champagne Zircon, Oval, VVS

Zircon

0.63ct1 pc
$ 11.34
5.2 x 4.1 mm
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0.96ct Natural Brownish Yellow Sphene, Oval, Transparent, Photo A

0.96ct Natural Brownish Yellow Sphene, Oval, Transparent

Sphene

0.96ct1 pc
$ 5.76
6.3 x 5.1 mm
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26.03ctw Natural Multicolor Fossil Coral, Cushion, Opaque, Photo A

26.03ctw Natural Multicolor Fossil Coral, Cushion, Opaque

Fossil Coral

26.03ct total2 pcs
$ 68.72
14 x 14 mm (calibrated)
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8.10ctw Natural Swiss Blue Topaz, Marquise, VVS, Photo A
Topaz Product Video (438345)

8.10ctw Natural Swiss Blue Topaz, Marquise, VVS

Topaz

8.10ct total2 pcs
$ 68.75
14 x 8.1 mm
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0.86ct Natural Lively Green Kornerupine, Oval, SI, Photo A
Kornerupine Product Video (564801)

0.86ct Natural Lively Green Kornerupine, Oval, SI

Kornerupine

0.86ct1 pc
$ 355.79
5.5 x 4.6 mm
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15.67ct Natural Very Light Pink Rose Quartz, Oval, Translucent, Photo A

15.67ct Natural Very Light Pink Rose Quartz, Oval, Translucent

Rose Quartz

15.67ct1 pc
$ 18.96
17.5 x 14.4 mm
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0.41ct Natural Golden Orange Citrine, Oval, VVS-VS, Photo A

0.41ct Natural Golden Orange Citrine, Oval, VVS-VS

Citrine

0.41ct1 pc
$ 3.44
6 x 4 mm (calibrated)
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2.16ct Natural Deep Orange Zircon, Oval, VVS-VS, Photo A
Zircon Product Video (488038)

2.16ct Natural Deep Orange Zircon, Oval, VVS-VS

Zircon

2.16ct1 pc
$ 56.88
8 x 6 mm (calibrated)
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3.82ctw Natural Clear White Topaz, Square, VS, Photo A

3.82ctw Natural Clear White Topaz, Square, VS

Topaz

3.82ct total10 pcs
$ 32.09
4 x 4 mm (calibrated)
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3.65ct Natural Smoky Mother of Pearl, Fancy, Opaque, Photo A

3.65ct Natural Smoky Mother of Pearl, Fancy, Opaque

Mother of Pearl

3.65ct1 pc
$ 10.13
19.1 x 12.4 mm
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2.22ct Natural Deep Red Almandine Garnet, Oval, VVS-VS, Photo A

2.22ct Natural Deep Red Almandine Garnet, Oval, VVS-VS

Almandine Garnet

2.22ct1 pc
$ 99.90
9 x 7 mm (calibrated)
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0.06ct Natural Black Diamond, Round, Opaque, Photo A

0.06ct Natural Black Diamond, Round, Opaque

Diamond

0.06ct1 pc
$ 34.98
2.4 mm (calibrated)
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0.86ct Natural Yellowish Green Sapphire, Round, VS, Photo A

0.86ct Natural Yellowish Green Sapphire, Round, VS

Sapphire

0.86ct1 pc
$ 61.92
5.5 mm (calibrated)
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23.83ct Natural Multicolor Jasper, Fancy, Opaque, Photo A

23.83ct Natural Multicolor Jasper, Fancy, Opaque

Jasper

23.83ct1 pc
$ 17.30
33.3 x 9.3 mm
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1.12ctw Natural Bright Orange Sapphire, Oval, VVS-VS, Photo A

1.12ctw Natural Bright Orange Sapphire, Oval, VVS-VS

Sapphire

1.12ct total2 pcs
$ 201.60
6 x 4 mm (calibrated)
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1.82ctw Natural Sky Blue Topaz, Pear Shape, VVS-VS, Photo A

1.82ctw Natural Sky Blue Topaz, Pear Shape, VVS-VS

Topaz

1.82ct total2 pcs
$ 11.99
7 x 5 mm (calibrated)
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1.54ct Natural Raspberry Pink Malaya Garnet, Round, VS, Photo A

1.54ct Natural Raspberry Pink Malaya Garnet, Round, VS

Malaya Garnet

1.54ct1 pc
$ 81.31
7 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

Great selection of gems at a reasonable price

Posted By Curt in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I can pick and choose from large selection and find just what I need for .y projects, currently my cane.

Posted By Darkstar731 in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great site for finding specific stones and sizes for individual pieces of jewelry

Posted By Designer in December, 2025
Source: Bizrate

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

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
Enlarged Gemstone Image