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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (5683): Octagon / Emerald Cut Gems Clear All
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ID: 3962471 pcs
2.33ct Apatite
7.64 x 7.61 x 5.32mm
USD 86.56
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ID: 3899301 pcs
0.70ct Color-Change Diaspore
6.03 x 4.04 x 3.17mm
USD 22.90
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ID: 4359741 pcs
4.23ct Tourmaline
8.50 x 10.34 x 5.60mm
USD 507.60
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ID: 3801421 pcs
0.86ct Emerald
6.93 x 5.96 x 3.10mm
USD 835.73
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ID: 3953371 pcs
12.80ct Rose Quartz
14.38 x 14.19 x 10.60mm
USD 64.00
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ID: 4248171 pcs
0.98ct Color-Change Diaspore
7.87 x 4.60 x 2.65mm
USD 29.40
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ID: 4191091 pcs
2.95ct Tourmaline
17.50 x 4.66 x 3.66mm
USD 116.64
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ID: 3698861 pcs
1.76ct Tourmaline
18.69 x 3.37 x 2.64mm
USD 34.28
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ID: 4378261 pcs
1.07ct Tourmaline
19.20 x 2.55 x 2.14mm
USD 26.75
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ID: 4200011 pcs
2.82ct Topaz
8.93 x 7.02 x 4.78mm
USD 19.74
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ID: 3700651 pcs
1.05ct Tourmaline
15.73 x 3.02 x 2.24mm
USD 20.45
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ID: 4414291 pcs
4.12ct Ametrine
9.12 x 8.44 x 6.29mm
USD 20.60
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ID: 3278381 pcs
4.87ct Tourmaline
25.62 x 4.56 x 3.80mm
USD 560.05
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ID: 3989091 pcs
0.78ct Tourmaline
9.90 x 3.58 x 2.16mm
USD 14.85
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ID: 3837531 pcs
1.11ct Tourmaline
17.89 x 2.79 x 2.23mm
USD 21.20
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ID: 3508681 pcs
11.27ct Tourmaline
26.05 x 7.39 x 5.88mm
USD 56.35
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ID: 3949221 pcs
3.71ct Smoky Quartz
9.45 x 9.41 x 6.77mm
USD 18.55
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ID: 3958521 pcs
5.04ct Quartz
10.41 x 10.34 x 7.28mm
USD 8.01
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ID: 3923401 pcs
5.41ct Rose Quartz
11.06 x 10.96 x 7.45mm
USD 27.05
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ID: 4160651 pcs
1.57ct Tourmaline
18.13 x 3.77 x 2.26mm
USD 37.68
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ID: 4136451 pcs
1.94ct Tourmaline
10.04 x 5.08 x 3.68mm
USD 87.30
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