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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (6117): Octagon / Emerald Cut Gems Clear All
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2 pcs
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thumb image of 1.2ct Octagon Facet Cinnamon Orange Hessonite Garnet (ID: 393734)
1.19 ct (total 2.38ctw) Hessonite Garnet
6.9 x 5 mm
$ 33.32
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8 pcs
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thumb image of 0.2ct Octagon Step Cut Multicolor Sapphire (ID: 492896)
0.23 ct (total 1.84ctw) Sapphire
4 x 2.8 mm
$ 90.68
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1 pc
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Click for Product Video (458166)
thumb image of 32.6ct Octagon Step Cut Bi-color Ametrine (ID: 458166)
32.59 ct Ametrine
17.2 x 16.7 mm
$ 258.76
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1 pc
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thumb image of 16.1ct Octagon Step Cut Purplish Pink Mystic Topaz (ID: 484923)
16.13 ct Mystic Topaz
15.9 x 12.1 mm
$ 145.17
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4 pcs
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thumb image of 0.5ct Octagon Step Cut Red Pyrope Garnet (ID: 480695)
0.45 ct (total 1.81ctw) Pyrope Garnet
5.5 x 3.7 mm
$ 12.67
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2 pcs
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thumb image of 2ct Asscher Cut Pink Rose Quartz (ID: 394346)
1.96 ct (total 3.92ctw) Rose Quartz
7.8 x 7.7 mm
$ 19.60
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1 pc
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Click for Product Video (459796)
thumb image of 1.5ct Octagon Step Cut Red Ruby (ID: 459796)
1.47 ct Ruby
7.6 x 4.9 mm
$ 3,632.81
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1 pc
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thumb image of 3.3ct Octagon Facet Bi-Color Ametrine (ID: 441455)
3.26 ct Ametrine
9 x 7.4 mm
$ 16.30
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1 pc
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thumb image of 3.7ct Octagon Step Cut Purplish Pink Mystic Topaz (ID: 492821)
3.65 ct Mystic Topaz
10.1 x 8 mm
$ 25.55
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1 pc
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Click for Product Video (328004)
thumb image of 17.4ct Octagon Facet Bi-color Tourmaline (ID: 328004)
17.35 ct Tourmaline
66.5 x 6.3 mm
$ 3,470.50
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1 pc
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thumb image of 12.3ct Octagon / Scissor Cut Bi-Color Ametrine (ID: 394370)
12.30 ct Ametrine
17.1 x 12 mm
$ 65.56
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1 pc
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thumb image of 15.5ct Octagon Step Cut Purplish Pink Mystic Topaz (ID: 484919)
15.50 ct Mystic Topaz
16 x 12.1 mm
$ 139.50
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1 pc
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thumb image of 3.3ct Octagon Facet Bi-Color Ametrine (ID: 442420)
3.30 ct Ametrine
9 x 7.5 mm
$ 16.50
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10 pcs
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thumb image of 1.1ct Octagon Facet Red Almandine Garnet (ID: 371540)
1.05 ct (total 10.52ctw) Almandine Garnet
6.9 x 5 mm
$ 52.60
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1 pc
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thumb image of 3.1ct Asscher Cut Golden Green Apatite (ID: 399650)
3.09 ct Apatite
8.6 x 8.4 mm
$ 148.01
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2 pcs
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thumb image of 1.6ct Octagon Facet Cinnamon Orange Hessonite Garnet (ID: 394864)
1.57 ct (total 3.13ctw) Hessonite Garnet
8.1 x 6.2 mm
$ 43.29
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1 pc
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Click for Product Video (486948)
thumb image of 23.6ct Octagon / Scissor Cut Light Blue Aquamarine (ID: 486948)
23.57 ct Aquamarine
30.7 x 9.5 mm
$ 3,535.50
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1 pc
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Click for Product Video (459798)
thumb image of 1.8ct Octagon Step Cut Red Ruby (ID: 459798)
1.76 ct Ruby
8.2 x 4.5 mm
$ 3,479.59
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1 pc
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Click for Product Video (459078)
thumb image of 34.5ct Octagon Step Cut Bi-Color Ametrine (ID: 459078)
34.51 ct Ametrine
17.5 x 18 mm
$ 222.59
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2 pcs
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thumb image of 1.9ct Asscher Cut Pink Rose Quartz (ID: 394488)
1.87 ct (total 3.73ctw) Rose Quartz
8 x 8 mm
$ 18.65
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1 pc
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thumb image of 3.3ct Octagon Facet Bi-color Ametrine (ID: 442425)
3.32 ct Ametrine
8 x 8.2 mm
$ 16.60
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 -> 10 star ratings
offer military prices
Posted By Frobb1968 in August, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
Trustworthy company & site, great products.
Posted By KM in August, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
I have been ordering from GemSelect for at least 6 years. Every single order was perfect - every item was as advertized, in perfect condition and arrived well within the specified time frame. I have recommended them to several friends.
Posted By Jim in August, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
Excellent company with excellent website!
Posted By Marcy in August, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
Happy with price and ease of purchase. Will tell others
Posted By JJ Kool Juan in August, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
Very pleased with my purchase in all aspects!!!!!
Posted By JJ Kool Juan in August, 2018
Source: Bizrate
English speaking customer support only

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International:
+66-39303404

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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