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
0.54ctw Natural Dark Blue Kyanite, Round, VS-SI, Photo A

0.54ctw Natural Dark Blue Kyanite, Round, VS-SI

Kyanite

0.54ct total2 pcs
$ 11.66
3.8 mm
View Details
Add to Cart
1.31ct Natural Navy Blue Kyanite, Round, VS-SI, Photo A

1.31ct Natural Navy Blue Kyanite, Round, VS-SI

Kyanite

1.31ct1 pc
$ 32.86
6 mm (calibrated)
View Details
Add to Cart
2.92ctw Natural Deep Orange-Gold Sapphire, Round, VVS-VS, Photo A

2.92ctw Natural Deep Orange-Gold Sapphire, Round, VVS-VS

Sapphire

2.92ct total4 pcs
$ 191.52
5 mm (calibrated)
View Details
Add to Cart
0.50ct Natural Deep Red Sapphire, Pear Shape, VVS, Photo A

0.50ct Natural Deep Red Sapphire, Pear Shape, VVS

Sapphire

0.50ct1 pc
$ 90.00
6 x 4 mm (calibrated)
View Details
Add to Cart
6.93ct Natural Bluish White Rainbow Moonstone, Pear Shape, Translucent, Photo A

6.93ct Natural Bluish White Rainbow Moonstone, Pear Shape, Translucent

Rainbow Moonstone

6.93ct1 pc
$ 58.21
15.7 x 10.4 mm
View Details
Add to Cart
0.55ct Natural Golden Orange Sapphire, Pear Shape, VVS-VS, Photo A

0.55ct Natural Golden Orange Sapphire, Pear Shape, VVS-VS

Sapphire

0.55ct1 pc
$ 29.15
6 x 5 mm
View Details
Add to Cart
1.22ct Natural Warm White Sillimanite Cat's Eye, Oval, Transparent, Photo A

1.22ct Natural Warm White Sillimanite Cat's Eye, Oval, Transparent

Sillimanite Cat's Eye

1.22ct1 pc
$ 4.39
6.7 x 5.4 mm
View Details
Add to Cart
5.66ct Natural Medium Dark-Pink Topaz, Oval, VVS-VS, Photo A
Topaz Product Video (707793)

5.66ct Natural Medium Dark-Pink Topaz, Oval, VVS-VS

Topaz

5.66ct1 pc
$ 54.34
12 x 10 mm (calibrated)
View Details
Add to Cart
4.85ctw Natural Deep Golden Orange Citrine, Oval, VVS-VS, Photo A

4.85ctw Natural Deep Golden Orange Citrine, Oval, VVS-VS

Citrine

4.85ct total2 pcs
$ 32.02
10 x 8 mm (calibrated)
View Details
Add to Cart
9.93ct Natural Schorl Tourmaline, Oval, Opaque, Photo A

9.93ct Natural Schorl Tourmaline, Oval, Opaque

Tourmaline

9.93ct1 pc
$ 59.58
16 x 12 mm (calibrated)
View Details
Add to Cart
1.81ct Natural Intense Pink Tourmaline, Round, Transparent, Photo A

1.81ct Natural Intense Pink Tourmaline, Round, Transparent

Tourmaline

1.81ct1 pc
$ 37.38
7 mm (calibrated)
View Details
Add to Cart
5.85ct Natural Golden Brown Tiger's Eye, Oval, Opaque, Photo A

5.85ct Natural Golden Brown Tiger's Eye, Oval, Opaque

Tiger's Eye

5.85ct1 pc
$ 7.02
14 x 10 mm (calibrated)
View Details
Add to Cart
30.81ct Natural Multicolor Tiger's Eye Matrix, Oval, Opaque, Photo A

30.81ct Natural Multicolor Tiger's Eye Matrix, Oval, Opaque

Tiger's Eye Matrix

30.81ct1 pc
$ 36.97
29 x 19.6 mm
View Details
Add to Cart
5.62ct Natural Multicolor Pietersite, Oval, Opaque, Photo A

5.62ct Natural Multicolor Pietersite, Oval, Opaque

Pietersite

5.62ct1 pc
$ 20.23
17.2 x 9.4 mm
View Details
Add to Cart
0.64ct Natural Orange Brown Zircon, Oval, VVS, Photo A

0.64ct Natural Orange Brown Zircon, Oval, VVS

Zircon

0.64ct1 pc
$ 11.52
5.2 x 4.1 mm
View Details
Add to Cart
0.22ct Natural Dark Orange Sphalerite, Trillion, SI-I1, Photo A

0.22ct Natural Dark Orange Sphalerite, Trillion, SI-I1

Sphalerite

0.22ct1 pc
$ 13.20
3.7 x 3.5 mm
View Details
Add to Cart
3.33ctw Natural Hickory Brown Smoky Quartz, Round, VS, Photo A

3.33ctw Natural Hickory Brown Smoky Quartz, Round, VS

Smoky Quartz

3.33ct total2 pcs
$ 10.98
8 mm (calibrated)
View Details
Add to Cart
1.35ct Natural Greenish Brown Kornerupine, Oval, VS, Photo A

1.35ct Natural Greenish Brown Kornerupine, Oval, VS

Kornerupine

1.35ct1 pc
$ 74.25
8.6 x 5.7 mm
View Details
Add to Cart
1.48ct Natural Pinkish Purple Tourmaline, Oval, VS-SI, Photo A

1.48ct Natural Pinkish Purple Tourmaline, Oval, VS-SI

Tourmaline

1.48ct1 pc
$ 266.40
8 x 6 mm (calibrated)
View Details
Add to Cart
3.55ctw Natural White Zircon, Round, VVS, Photo A

3.55ctw Natural White Zircon, Round, VVS

Zircon

3.55ct total2 pcs
$ 127.82
7 mm (calibrated)
View Details
Add to Cart
3.10ct Natural Warm Brown Smoky Quartz, Marquise, VVS, Photo A

3.10ct Natural Warm Brown Smoky Quartz, Marquise, VVS

Smoky Quartz

3.10ct1 pc
$ 22.32
18.1 x 7.1 mm
View Details
Add to Cart
15.45ct Natural Medium Purple Ruby-Zoisite, Flower Cut, Opaque, Photo A

15.45ct Natural Medium Purple Ruby-Zoisite, Flower Cut, Opaque

Ruby-Zoisite

15.45ct1 pc
$ 22.62
14 x 14 mm (calibrated)
View Details
Add to Cart
4.18ct Natural Multicolor Opal Triplet, Fancy, Opaque, Photo A

4.18ct Natural Multicolor Opal Triplet, Fancy, Opaque

Opal Triplet

4.18ct1 pc
$ 125.40
18.1 x 9.1 mm
View Details
Add to Cart
0.87ct Natural Medium Gold Zircon, Oval, VVS, Photo A

0.87ct Natural Medium Gold Zircon, Oval, VVS

Zircon

0.87ct1 pc
$ 15.66
6 x 4.8 mm
View Details
Add to Cart
0.35ctw Natural Reddish Orange Sapphire, Marquise, VVS, Photo A

0.35ctw Natural Reddish Orange Sapphire, Marquise, VVS

Sapphire

0.35ct total2 pcs
$ 28.88
5 x 2.5 mm (calibrated)
View Details
Add to Cart
12.54ct Natural Plum Purple Star Ruby, Oval, Opaque, Photo A

12.54ct Natural Plum Purple Star Ruby, Oval, Opaque

Star Ruby

12.54ct1 pc
$ 198.64
14 x 12 mm (calibrated)
View Details
Add to Cart
2.60ct Natural Medium Violet Amethyst, Trillion, VS, Photo A

2.60ct Natural Medium Violet Amethyst, Trillion, VS

Amethyst

2.60ct1 pc
$ 20.59
10 x 10 mm (calibrated)
View Details
Add to Cart
0.18ctw Natural L Diamond, Round, VVS-VS, Photo A

0.18ctw Natural L Diamond, Round, VVS-VS

Diamond

0.18ct total2 pcs
$ 352.45
2.8 mm (calibrated)
View Details
Add to Cart
29.56ctw Natural Lime Green Prehnite, Fancy, Translucent, Photo A

29.56ctw Natural Lime Green Prehnite, Fancy, Translucent

Prehnite

29.56ct total4 pcs
$ 58.52
16.9 x 12.5 mm
View Details
Add to Cart
0.62ct Natural Deep Violet Amethyst, Marquise, VVS, Photo A

0.62ct Natural Deep Violet Amethyst, Marquise, VVS

Amethyst

0.62ct1 pc
$ 4.96
8 x 4 mm (calibrated)
View Details
Add to Cart
0.31ct Natural Deep Wine Red Ruby, Round, SI-I1, Photo A

0.31ct Natural Deep Wine Red Ruby, Round, SI-I1

Ruby

0.31ct1 pc
$ 123.17
4 mm (calibrated)
View Details
Add to Cart
0.86ct Natural Bubblegum Pink Tourmaline, Round, Transparent, Photo A

0.86ct Natural Bubblegum Pink Tourmaline, Round, Transparent

Tourmaline

0.86ct1 pc
$ 17.76
6 mm (calibrated)
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

The website has a good selection, the interface is very intuitive.

Posted By PhoenixFeatherJewelry in January, 2026
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

Easy picking, fast checkout, secure shipping. Cana't ask for anything more than efficiency and a good price.

Posted By Beman in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and good price

Posted By Bry_guy in March, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

The website was easy to use and there were a lot of good options, I was satisfied.

Posted By Brielly in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 2025
Source: Bizrate
Enlarged Gemstone Image