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
0.05ct Natural Black Diamond, Round, Opaque, Photo A

0.05ct Natural Black Diamond, Round, Opaque

Diamond

0.05ct1 pc
$ 20.62
2.2 mm (calibrated)
View Details
Add to Cart
3.69ctw Natural Light Reddish Orange Moonstone, Trillion, Translucent, Photo A

3.69ctw Natural Light Reddish Orange Moonstone, Trillion, Translucent

Moonstone

3.69ct total2 pcs
$ 9.74
8 x 8 mm (calibrated)
View Details
Add to Cart
2.48ctw Natural Hot Pink Rubies, Oval, VS, Photo A

2.48ctw Natural Hot Pink Rubies, Oval, VS

Ruby

2.48ct total2 pcs
$ 208.32
7 x 5 mm (calibrated)
View Details
Add to Cart
0.16ct Natural Warm Reddish Grey Color-Change Sapphire, Square, VVS, Photo A

0.16ct Natural Warm Reddish Grey Color-Change Sapphire, Square, VVS

Color-Change Sapphire

0.16ct1 pc
$ 16.00
2.9 x 3 mm
View Details
Add to Cart
9.09ct Natural Yellowish Green Prehnite, Oval, Translucent, Photo A
Prehnite Product Video (219857)

9.09ct Natural Yellowish Green Prehnite, Oval, Translucent

Prehnite

9.09ct1 pc
$ 53.99
16 x 12 mm (calibrated)
View Details
Add to Cart
1.12ct Natural Grapefruit Orange Sunstone, Oval, Translucent, Photo A

1.12ct Natural Grapefruit Orange Sunstone, Oval, Translucent

Sunstone

1.12ct1 pc
$ 7.84
8 x 6 mm (calibrated)
View Details
Add to Cart
23.42ct Natural Multicolor Agate, Sphere / Ball, Opaque, Photo A
Agate Product Video (700719)

23.42ct Natural Multicolor Agate, Sphere / Ball, Opaque

Agate

23.42ct1 pc
$ 22.49
15 mm (calibrated)
View Details
Add to Cart
1.47ct Natural Medium Dark-Red Tourmaline, Round, Transparent, Photo A

1.47ct Natural Medium Dark-Red Tourmaline, Round, Transparent

Tourmaline

1.47ct1 pc
$ 30.36
7 mm (calibrated)
View Details
Add to Cart
1.11ct Natural Light Golden-Yellow Beryl, Oval, VS, Photo A

1.11ct Natural Light Golden-Yellow Beryl, Oval, VS

Beryl

1.11ct1 pc
$ 26.64
8 x 6 mm (calibrated)
View Details
Add to Cart
4.75ct Natural Black Star Diopside, Oval, Opaque, Photo A

4.75ct Natural Black Star Diopside, Oval, Opaque

Star Diopside

4.75ct1 pc
$ 28.50
11 x 9 mm (calibrated)
View Details
Add to Cart
3.72ctw Natural Multicolor Mystic Quartz, Pear Shape, VVS-VS, Photo A

3.72ctw Natural Multicolor Mystic Quartz, Pear Shape, VVS-VS

Mystic Quartz

3.72ct total2 pcs
$ 26.78
10 x 7 mm (calibrated)
View Details
Add to Cart
1.81ct Natural Rose Pink Strawberry Quartz, Round, Translucent, Photo A

1.81ct Natural Rose Pink Strawberry Quartz, Round, Translucent

Strawberry Quartz

1.81ct1 pc
$ 16.73
8 mm (calibrated)
View Details
Add to Cart
9.01ct Natural Medium Dark-Purple Ruby-Zoisite, Flower Cut, Opaque, Photo A

9.01ct Natural Medium Dark-Purple Ruby-Zoisite, Flower Cut, Opaque

Ruby-Zoisite

9.01ct1 pc
$ 13.19
15 x 15 mm (calibrated)
View Details
Add to Cart
0.66ct Natural Light Dijon Yellow Beryl, Oval, VVS-VS, Photo A

0.66ct Natural Light Dijon Yellow Beryl, Oval, VVS-VS

Beryl

0.66ct1 pc
$ 19.80
7 x 5 mm (calibrated)
View Details
Add to Cart
1.33ct Natural Light Violet Blue Tanzanite, Oval, Transparent, Photo A

1.33ct Natural Light Violet Blue Tanzanite, Oval, Transparent

Tanzanite

1.33ct1 pc
$ 13.87
8 x 6 mm (calibrated)
View Details
Add to Cart
0.85ct Natural Bluish White Rainbow Moonstone, Oval, Transparent, Photo A

0.85ct Natural Bluish White Rainbow Moonstone, Oval, Transparent

Rainbow Moonstone

0.85ct1 pc
$ 17.34
7 x 5 mm (calibrated)
View Details
Add to Cart
0.08ctw Natural Black Diamond, Round, Opaque, Photo A

0.08ctw Natural Black Diamond, Round, Opaque

Diamond

0.08ct total2 pcs
$ 76.80
2 mm (calibrated)
View Details
Add to Cart
3.99ctw Natural Deep Scarlet Red Pyrope Garnet, Octagon / Emerald Cut, VS, Photo A

3.99ctw Natural Deep Scarlet Red Pyrope Garnet, Octagon / Emerald Cut, VS

Pyrope Garnet

3.99ct total6 pcs
$ 36.86
6 x 4 mm (calibrated)
View Details
Add to Cart
1.67ct Natural Medium Green-Grey Tourmaline, Fancy, VVS, Photo A
Tourmaline Product Video (715332)

1.67ct Natural Medium Green-Grey Tourmaline, Fancy, VVS

Tourmaline

1.67ct1 pc
$ 240.48
7.8 x 5.7 mm
View Details
Add to Cart
0.60ct Natural Medium Light-Purple Sapphire, Fancy, VVS, Photo A

0.60ct Natural Medium Light-Purple Sapphire, Fancy, VVS

Sapphire

0.60ct1 pc
$ 72.48
7 x 5 mm (calibrated)
View Details
Add to Cart
6.63ct Natural Purplish Blue Chalcedony, Cushion, Translucent, Photo A

6.63ct Natural Purplish Blue Chalcedony, Cushion, Translucent

Chalcedony

6.63ct1 pc
$ 29.83
12 x 12 mm (calibrated)
View Details
Add to Cart
95.69ct Natural London Blue Topaz, Pear Shape, IF, Photo A
Topaz Product Video (724437)

95.69ct Natural London Blue Topaz, Pear Shape, IF

Topaz

95.69ct1 pc
$ 1,593.82
30.1 x 26.8 mm
View Details
Add to Cart
2.13ct Natural Rust Orange Zircon, Oval, VS, Photo A

2.13ct Natural Rust Orange Zircon, Oval, VS

Zircon

2.13ct1 pc
$ 70.30
7.7 x 6.4 mm
View Details
Add to Cart
21.36ct Natural Warm Green Jade, Fancy, Translucent, Photo A

21.36ct Natural Warm Green Jade, Fancy, Translucent

Jade

21.36ct1 pc
$ 16.08
24.7 x 14.6 mm
View Details
Add to Cart
5.98ct Natural Multicolor Labradorite, Pear Shape, Translucent, Photo A

5.98ct Natural Multicolor Labradorite, Pear Shape, Translucent

Labradorite

5.98ct1 pc
$ 15.94
14 x 10 mm (calibrated)
View Details
Add to Cart
17.78ct Natural Medium-Dark Brown Spessartite Garnet, Flower Cut, Translucent, Photo A

17.78ct Natural Medium-Dark Brown Spessartite Garnet, Flower Cut, Translucent

Spessartite Garnet

17.78ct1 pc
$ 19.72
15.3 x 14.1 mm
View Details
Add to Cart
2.50ctw Natural White Zircon, Round, VVS-VS, Photo A

2.50ctw Natural White Zircon, Round, VVS-VS

Zircon

2.50ct total2 pcs
$ 79.20
6 mm (calibrated)
View Details
Add to Cart
2.00ct Natural Lively Green Peridot, Cushion, VS, Photo A

2.00ct Natural Lively Green Peridot, Cushion, VS

Peridot

2.00ct1 pc
$ 85.92
7 x 7 mm (calibrated)
View Details
Add to Cart
0.53ct Natural Golden Sapphire, Oval, VVS, Photo A

0.53ct Natural Golden Sapphire, Oval, VVS

Sapphire

0.53ct1 pc
$ 71.22
6 x 5.2 mm
View Details
Add to Cart
31.35ctw Natural Multicolor Fossil Coral, Cushion, Opaque, Photo A

31.35ctw Natural Multicolor Fossil Coral, Cushion, Opaque

Fossil Coral

31.35ct total2 pcs
$ 67.45
19.5 x 13.7 mm
View Details
Add to Cart
1.43ct Natural White Zircon, Octagon / Emerald Cut, VVS-VS, Photo A

1.43ct Natural White Zircon, Octagon / Emerald Cut, VVS-VS

Zircon

1.43ct1 pc
$ 45.30
7 x 5 mm (calibrated)
View Details
Add to Cart
10.77ct Natural Light Yellow Green Prehnite, Fancy, Translucent, Photo A

10.77ct Natural Light Yellow Green Prehnite, Fancy, Translucent

Prehnite

10.77ct1 pc
$ 21.34
18.5 x 11.8 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 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

When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.

Posted By LeAnn in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.

Posted By Jac in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Was a good experience.

Posted By Tim in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Wonderful purchase, can't wait to see the stone.

Posted By Tim in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoy every moment

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