X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

Buy Octagon Shape 14x12 mm Gems

Exact Match not Available: Go Back
4.33ct Natural Dark Golden Citrine, Oval, VVS-VS, Photo A

4.33ct Natural Dark Golden Citrine, Oval, VVS-VS

Citrine

4.33ct1 pc
$ 40.01
14 x 10 mm (calibrated)
View Details
Add to Cart
1.02ctw Natural Lively Green Peridot, Oval, Transparent, Photo A

1.02ctw Natural Lively Green Peridot, Oval, Transparent

Peridot

1.02ct total2 pcs
$ 22.03
6 x 4 mm (calibrated)
View Details
Add to Cart
15.46ct Natural Forest Green Maw-Sit-Sit, Baguette, Opaque, Photo A

15.46ct Natural Forest Green Maw-Sit-Sit, Baguette, Opaque

Maw-Sit-Sit

15.46ct1 pc
$ 57.55
14.9 x 11.9 mm
View Details
Add to Cart
0.67ct Natural Yellowish Green Sapphire, Cushion, VVS-VS, Photo A

0.67ct Natural Yellowish Green Sapphire, Cushion, VVS-VS

Sapphire

0.67ct1 pc
$ 64.32
4.6 x 4.5 mm
View Details
Add to Cart
2.33ctw Natural Very Light Yellow Color-Change Diaspore, Cushion, VVS, Photo A

2.33ctw Natural Very Light Yellow Color-Change Diaspore, Cushion, VVS

Color-Change Diaspore

2.33ct total2 pcs
$ 120.46
12 x 3.6 mm
View Details
Add to Cart
4.05ct Natural Deep Violet Amethyst, Pear Shape, VVS, Photo A

4.05ct Natural Deep Violet Amethyst, Pear Shape, VVS

Amethyst

4.05ct1 pc
$ 35.45
14 x 10 mm (calibrated)
View Details
Add to Cart
1.36ct Natural Medium Green Tourmaline, Oval, Transparent, Photo A

1.36ct Natural Medium Green Tourmaline, Oval, Transparent

Tourmaline

1.36ct1 pc
$ 27.16
7.3 x 5.5 mm
View Details
Add to Cart
3.28ctw Natural Sky Blue Topaz, Pear Shape, VS, Photo A

3.28ctw Natural Sky Blue Topaz, Pear Shape, VS

Topaz

3.28ct total6 pcs
$ 30.31
6 x 4 mm (calibrated)
View Details
Add to Cart
8.34ct Natural Multicolor Coral, Round, Translucent, Photo A

8.34ct Natural Multicolor Coral, Round, Translucent

Coral

8.34ct1 pc
$ 31.38
15 mm (calibrated)
View Details
Add to Cart
13.96ctw Natural Multicolor Pietersite, Round, Opaque, Photo A

13.96ctw Natural Multicolor Pietersite, Round, Opaque

Pietersite

13.96ct total2 pcs
$ 39.71
13 mm (calibrated)
View Details
Add to Cart
3.94ctw Natural Purplish Violet Amethyst, Oval, VVS-VS, Photo A

3.94ctw Natural Purplish Violet Amethyst, Oval, VVS-VS

Amethyst

3.94ct total10 pcs
$ 26.00
6 x 4 mm (calibrated)
View Details
Add to Cart
3.50ctw Natural Fire Orange Hessonite Garnet, Square, VS, Photo A

3.50ctw Natural Fire Orange Hessonite Garnet, Square, VS

Hessonite Garnet

3.50ct total2 pcs
$ 92.40
6.7 x 6.6 mm
View Details
Add to Cart
11.84ct Natural Clear White Quartz, Octagon / Emerald Cut, VVS, Photo A

11.84ct Natural Clear White Quartz, Octagon / Emerald Cut, VVS

Quartz

11.84ct1 pc
$ 46.88
15 x 15 mm (calibrated)
View Details
Add to Cart
3.49ctw Natural Sky Blue Topaz, Pear Shape, VVS-VS, Photo A

3.49ctw Natural Sky Blue Topaz, Pear Shape, VVS-VS

Topaz

3.49ct total4 pcs
$ 32.24
7 x 5 mm (calibrated)
View Details
Add to Cart
1.76ct Natural Medium Orange Hessonite Garnet, Oval, VS-SI, Photo A

1.76ct Natural Medium Orange Hessonite Garnet, Oval, VS-SI

Hessonite Garnet

1.76ct1 pc
$ 41.82
8 x 6.7 mm
View Details
Add to Cart
22.71ct Natural Multicolor Pietersite, Oval, Opaque, Photo A

22.71ct Natural Multicolor Pietersite, Oval, Opaque

Pietersite

22.71ct1 pc
$ 69.84
30 x 22 mm (calibrated)
View Details
Add to Cart
0.89ct Natural Multicolor Black Opal, Octagon / Emerald Cut, Opaque, Photo A

0.89ct Natural Multicolor Black Opal, Octagon / Emerald Cut, Opaque

Black Opal

0.89ct1 pc
$ 27.49
9 x 6 mm (calibrated)
View Details
Add to Cart
4.32ctw Natural Warm White Zircon, Round, VVS-VS, Photo A

4.32ctw Natural Warm White Zircon, Round, VVS-VS

Zircon

4.32ct total2 pcs
$ 141.01
7.5 mm (calibrated)
View Details
Add to Cart
29.80ct Natural Multicolor Jasper, Oval, Opaque, Photo A

29.80ct Natural Multicolor Jasper, Oval, Opaque

Jasper

29.80ct1 pc
$ 22.43
30.9 x 18.1 mm
View Details
Add to Cart
1.38ctw Natural Medium Blue Apatite, Oval, VS, Photo A

1.38ctw Natural Medium Blue Apatite, Oval, VS

Apatite

1.38ct total4 pcs
$ 33.20
5 x 4 mm (calibrated)
View Details
Add to Cart
1.53ctw Natural Sky Blue Topaz, Pear Shape, VVS-VS, Photo A

1.53ctw Natural Sky Blue Topaz, Pear Shape, VVS-VS

Topaz

1.53ct total2 pcs
$ 10.10
7 x 5 mm (calibrated)
View Details
Add to Cart
1.47ctw Natural Sky Blue Topaz, Pear Shape, VVS-VS, Photo A

1.47ctw Natural Sky Blue Topaz, Pear Shape, VVS-VS

Topaz

1.47ct total2 pcs
$ 13.58
7 x 5 mm (calibrated)
View Details
Add to Cart
2.04ctw Natural Warm Red Pyrope Garnet, Round, Transparent, Photo A

2.04ctw Natural Warm Red Pyrope Garnet, Round, Transparent

Pyrope Garnet

2.04ct total30 pcs
$ 13.46
2.1 mm (calibrated)
View Details
Add to Cart
2.16ctw Natural Medium Violet Amethyst, Marquise, VS, Photo A

2.16ctw Natural Medium Violet Amethyst, Marquise, VS

Amethyst

2.16ct total2 pcs
$ 17.28
10 x 5 mm (calibrated)
View Details
Add to Cart
2.25ctw Natural Forest Green Sapphire, Cushion, VVS-VS, Photo A

2.25ctw Natural Forest Green Sapphire, Cushion, VVS-VS

Sapphire

2.25ct total5 pcs
$ 124.74
4 x 4 mm (calibrated)
View Details
Add to Cart
1.33ct Natural Medium-Light Pink Morganite, Oval, VS, Photo A

1.33ct Natural Medium-Light Pink Morganite, Oval, VS

Morganite

1.33ct1 pc
$ 122.89
8 x 6 mm (calibrated)
View Details
Add to Cart
1.09ct Natural Multicolor Black Opal, Oval, Translucent, Photo A

1.09ct Natural Multicolor Black Opal, Oval, Translucent

Black Opal

1.09ct1 pc
$ 33.02
9.4 x 7 mm
View Details
Add to Cart
0.31ct Natural Raspberry Red Spinel, Baguette, VVS-VS, Photo A

0.31ct Natural Raspberry Red Spinel, Baguette, VVS-VS

Spinel

0.31ct1 pc
$ 31.00
3.6 x 3.3 mm
View Details
Add to Cart
31.86ctw Natural Multicolor Agate Geode, Fancy, Opaque, Photo A
Agate Geode Product Video (446964)

31.86ctw Natural Multicolor Agate Geode, Fancy, Opaque

Agate Geode

31.86ct total2 pcs
$ 76.46
23.1 x 17.9 mm
View Details
Add to Cart
4.09ct Natural Very Light Green Prehnite, Oval, Transparent/Translucent, Photo A

4.09ct Natural Very Light Green Prehnite, Oval, Transparent/Translucent

Prehnite

4.09ct1 pc
$ 14.57
10 x 8 mm (calibrated)
View Details
Add to Cart
2.27ctw Natural Swiss Blue Topaz, Marquise, VVS-VS, Photo A

2.27ctw Natural Swiss Blue Topaz, Marquise, VVS-VS

Topaz

2.27ct total2 pcs
$ 20.98
10.3 x 5.1 mm
View Details
Add to Cart
0.82ct Natural Deep Pink Sapphire, Fancy, VVS, Photo A

0.82ct Natural Deep Pink Sapphire, Fancy, VVS

Sapphire

0.82ct1 pc
$ 109.69
7.5 x 6.9 mm
View Details
Add to Cart

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 prices!!! High quality gemstones.

Posted By Ricky in October, 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

It was good. There was a large selection at prices I could afford.

Posted By Zorah in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Over pretty well experience the your website no complaints about it very easy reliable service provided

Posted By Blas in January, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

Good prices

Posted By TRM in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
Enlarged Gemstone Image