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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (5462): Octagon / Emerald Cut Gems Clear All
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ID: 4341721 pcs
1.25ct Chrysoberyl
7.01mm x 4.52mm x 3.65mm
USD 133.04
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ID: 3624811 pcs
34.46ct Tourmaline
31.09mm x 10.64mm x 9.90mm
USD 172.30
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ID: 4272851 pcs
5.20ct Ametrine
11.77mm x 8.31mm x 6.20mm
USD 31.20
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ID: 4353241 pcs
4.62ct Ametrine
9.43mm x 9.35mm x 6.88mm
USD 23.10
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ID: 4135931 pcs
1.53ct Tourmaline
10.74mm x 4.64mm x 3.46mm
USD 68.85
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ID: 4255181 pcs
0.97ct Spessartite Garnet
5.83mm x 4.30mm x 3.74mm
USD 24.25
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ID: 3350816 pcs
1.78ctw Sapphire
5.04mm x 3.04mm x 1.76mm
USD 62.30
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ID: 3807831 pcs
4.31ct Peridot
11.79mm x 6.64mm x 5.59mm
USD 276.70
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ID: 3931932 pcs
13.64ctw Rose Quartz
11.78mm x 11.63mm x 8.19mm
USD 68.20
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ID: 3988101 pcs
0.86ct Tourmaline
13.22mm x 3.02mm x 2.06mm
USD 18.92
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ID: 3731701 pcs
1.62ct Rhodolite Garnet
7.41mm x 5.04mm x 3.92mm
USD 43.03
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ID: 4305461 pcs
0.73ct Iolite
7.88mm x 3.93mm x 2.91mm
USD 14.60
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ID: 4340891 pcs
19.20ct Ametrine
22.02mm x 10.76mm x 8.91mm
USD 104.83
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ID: 4088051 pcs
1.42ct Aquamarine
10.21mm x 5.02mm x 3.29mm
USD 117.25
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ID: 3350146 pcs
2.14ctw Sapphire
4.89mm x 2.99mm x 2.30mm
USD 74.90
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ID: 3952391 pcs
2.50ct Rose Quartz
8.65mm x 8.50mm x 5.29mm
USD 34.52
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ID: 4083141 pcs
9.45ct Smoky Quartz
13.44mm x 13.26mm x 7.63mm
USD 16.92
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ID: 3623611 pcs
3.50ct Tourmaline
29.45mm x 3.93mm x 2.87mm
USD 87.50
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ID: 43509920 pcs
2.14ctw Sapphire
2.54mm x 2.54mm x 1.96mm
USD 171.20
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ID: 4163841 pcs
0.62ct Tourmaline
11.60mm x 2.82mm x 1.93mm
USD 14.88
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ID: 3346884 pcs
7.78ctw Topaz
8.06mm x 6.06mm x 4.00mm
USD 50.40
Item in Stock
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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.
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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