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Gemtype Color Shape Weight Size Clarity Price Origin
You Selected (6051): Octagon / Emerald Cut Gems Clear All
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32.6ct Octagon Step Cut Bi-color Ametrine Gem (ID: 458166)
32.59 ct Ametrine
17.2 x 16.7 mm
$ 258.76
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4 pcs
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0.7ct Octagon Facet Multicolor Sapphire Gem (ID: 444395)
0.66 ct (total 2.62ctw) Sapphire
6 x 4.1 mm
$ 315.87
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20 pcs
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0.3ct Octagon / Scissor Cut Multicolor Sapphire Gem (ID: 349968)
0.30 ct (total 6.09ctw) Sapphire
5 x 3 mm
$ 213.15
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4 pcs
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0.5ct Octagon / Scissor Cut Multicolor Sapphire Gem (ID: 336598)
0.49 ct (total 1.95ctw) Sapphire
5 x 4 mm
$ 68.25
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6 pcs
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0.2ct Octagon / Scissor Cut Multicolor Sapphire Gem (ID: 330782)
0.23 ct (total 1.37ctw) Sapphire
4 x 3 mm
$ 47.95
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Click for Product Video (463553)
2.4ct Octagon Step Cut Green Tourmaline Gem (ID: 463553)
2.36 ct Tourmaline
8.7 x 6.7 mm
$ 236.00
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Click for Product Video (459051)
24ct Octagon Step Cut Bi-color Ametrine Gem (ID: 459051)
23.97 ct Ametrine
16.4 x 15.5 mm
$ 154.61
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5 pcs
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1.6ct Octagon Facet Yellow Golden Citrine Gem (ID: 323826)
1.56 ct (total 7.81ctw) Citrine
8.1 x 6.1 mm
$ 45.11
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7.6ct Octagon Step Cut Yellow Golden Citrine Gem (ID: 504917)
7.64 ct Citrine
14 x 10.1 mm
$ 38.20
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10.4ct Octagon / Scissor Cut Brown Smoky Quartz Gem (ID: 400757)
10.36 ct Smoky Quartz
13.9 x 13.6 mm
$ 25.90
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4 pcs
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0.7ct Octagon / Scissor Cut Multicolor Sapphire Gem (ID: 336532)
0.66 ct (total 2.64ctw) Sapphire
5 x 4 mm
$ 92.40
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Click for Product Video (503396)
9.7ct Octagon / Scissor Cut Light Blue Aquamarine Gem (ID: 503396)
9.70 ct Aquamarine
16.3 x 9.4 mm
$ 1,455.00
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1.6ct Octagon Step Cut Green Emerald Gem (ID: 499366)
1.61 ct Emerald
7.1 x 7.1 mm
$ 1,610.00
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5 pcs
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0.4ct Octagon / Scissor Cut Multicolor Sapphire Gem (ID: 375026)
0.38 ct (total 1.92ctw) Sapphire
4.9 x 3.1 mm
$ 81.50
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4 pcs
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0.7ct Octagon Facet Multicolor Sapphire Gem (ID: 444391)
0.67 ct (total 2.69ctw) Sapphire
6.1 x 4 mm
$ 324.31
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Click for Product Video (450371)
11.9ct Octagon / Scissor Cut Light Blue Aquamarine Gem (ID: 450371)
11.87 ct Aquamarine
17.4 x 10 mm
$ 2,967.50
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30ct Octagon Cabochon Colorless Golden Rutile Quartz Gem (ID: 472215)
29.95 ct Rutile Quartz
19.9 x 18.4 mm
$ 29.95
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Click for Product Video (353875)
5.3ct Octagon Facet Blue Zircon Gem (ID: 353875)
5.28 ct Zircon
10 x 6.4 mm
$ 540.00
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4 pcs
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0.3ct Octagon / Scissor Cut Multicolor Sapphire Gem (ID: 373699)
0.26 ct (total 1.03ctw) Sapphire
4 x 3 mm
$ 38.18
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3.5ct Octagon Facet Bi-color Ametrine Gem (ID: 443025)
3.54 ct Ametrine
8.2 x 8.5 mm
$ 24.78
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2 pcs
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8ct Octagon Step Cut Yellow Golden Citrine Gem (ID: 500827)
8.04 ct (total 16.07ctw) Citrine
14.2 x 10.2 mm
$ 94.33
Item in Stock
Octagon / Emerald Cut Gems
The octagon or emerald-cut is a shape that was developed to maximize the color of emerald gemstones. Therefore, if you are looking for a gem that shows pure, unadulterated color at its best, emerald cut gems are the right choice. The octagon-cut showcases the color of a gemstone.

Octagonal colored gemstones from GemSelect include large stones, matched pairs and lots. Among the choices are both precious and semi-precious octagonal gems, for example, bicolored ametrine, tourmaline, emerald, amethyst, smoky quartz, diamond, topaz, tanzanite and tsavorite garnet. There are emerald-cut gemstones of every color, size, shape and cutting style available. Some emerald-cut gems are square and others are long and rectangular.

To find the octagonal gemstones that you seek, filter the results further by using the left-hand menu. You can buy emerald-cut stones by gem type or color. By using the top menu, you can search by carat weight, size, price and other factors, to enable you to find the exact emerald-cut gems that you are looking for. All items are in stock and ready to be shipped.
Certified Customer Reviews
Overall Rating -> 9 star ratings
simple, clear, well organized site
Posted By Lleb in December, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
Good quality goods
Posted By None in December, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
Great selection and very easy to navigate. Loads of fun to shop!
Posted By PinkDalek in December, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
I just looked up black opals expecting an outrageous price. Then I see this website and I get so excited. Mom's gonna love it!! And It's not costing me an arm and a leg!!
Posted By Katie in December, 2018
Source: Bizrate
Overall Rating -> 8 star ratings
I love shopping for jewels and love thinking of what could be made from them. I love buying the birth stones of those dearest to me.
Posted By Lorenzo in December, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
I love the easiness of your website, I have learned so much about stones I have never even heard of before. I starting a business around a stones shape I can only find on your website! Thank you! I will continue to shop here :)
Posted By Anna in December, 2018
Source: Bizrate
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Size and Weight

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
except for round stones which are;
diameter x depth

Select gems by size, not by weight!
Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

Size Comparison Chart