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You Selected (5883): Octagon / Emerald Cut Gems Clear All
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ID: 43525920 pcs
thumb image of 2.1ct Octagon Facet Multicolor Sapphire (ID: 435259)
2.11ct Sapphire
2.53 x 2.50 x 1.80mm
USD 63.30
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ID: 4397941 pcs
thumb image of 0.9ct Octagon Facet Green/Pink Color-Change Diaspore (ID: 439794)
0.92ct Color-Change Diaspore
7.71 x 4.62 x 2.60mm
USD 25.76
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ID: 4417291 pcs
thumb image of 2.5ct Octagon Facet Bi-Color Ametrine (ID: 441729)
2.45ct Ametrine
7.47 x 7.18 x 5.35mm
USD 12.25
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ID: 3490021 pcs
thumb image of 2.3ct Octagon Facet Green Tourmaline (ID: 349002)
2.32ct Tourmaline
14.04 x 4.66 x 4.02mm
USD 58.00
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ID: 4347301 pcs
thumb image of 9.1ct Octagon Facet Bi-Color Ametrine (ID: 434730)
9.07ct Ametrine
11.46 x 10.60 x 9.19mm
USD 54.42
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ID: 4418341 pcs
thumb image of 6.8ct Octagon Facet Bi-Color Ametrine (ID: 441834)
6.83ct Ametrine
11.77 x 10.26 x 6.92mm
USD 34.15
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ID: 4088841 pcs
thumb image of 2.3ct Octagon Facet Light Blue Aquamarine (ID: 408884)
2.34ct Aquamarine
8.88 x 7.54 x 4.50mm
USD 193.21
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ID: 4378821 pcs
thumb image of 2ct Octagon Facet Green Tourmaline (ID: 437882)
1.97ct Tourmaline
21.73 x 3.17 x 2.82mm
USD 49.25
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ID: 3842731 pcs
thumb image of 1.3ct Octagon Facet Green Tourmaline (ID: 384273)
1.31ct Tourmaline
16.79 x 3.12 x 2.57mm
USD 25.28
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ID: 4088911 pcs
thumb image of 2.5ct Octagon Facet Light Blue Aquamarine (ID: 408891)
2.47ct Aquamarine
9.97 x 6.58 x 4.70mm
USD 203.95
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ID: 3948401 pcs
thumb image of 10.5ct Asscher Cut White Quartz (ID: 394840)
10.45ct Quartz
15.19 x 15.04 x 7.14mm
USD 31.35
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ID: 4403111 pcs
thumb image of 0.8ct Octagon Facet Green/Pink Color-Change Diaspore (ID: 440311)
0.77ct Color-Change Diaspore
6.18 x 4.62 x 3.20mm
USD 21.56
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ID: 3989141 pcs
thumb image of 23.2ct Octagon / Scissor Cut Lemon Quartz (ID: 398914)
23.24ct Quartz
22.77 x 14.92 x 8.64mm
USD 36.95
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ID: 4310782 pcs
thumb image of 2.9ct Octagon Facet Cinnamon Orange Hessonite Garnet (ID: 431078)
2.91ct Hessonite Garnet
6.08 x 6.01 x 4.11mm
USD 52.38
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ID: 3935381 pcs
thumb image of 4.7ct Asscher Cut Pink Rose Quartz (ID: 393538)
4.69ct Rose Quartz
10.22 x 10.16 x 7.29mm
USD 23.45
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ID: 4248381 pcs
thumb image of 0.8ct Octagon Facet Green/Pink Color-Change Diaspore (ID: 424838)
0.84ct Color-Change Diaspore
9.32 x 3.98 x 2.25mm
USD 25.20
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ID: 4300592 pcs
thumb image of 3.4ct Octagon Facet Golden Orange Zircon (ID: 430059)
3.43ct Zircon
7.23 x 5.05 x 3.44mm
USD 51.45
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ID: 4251591 pcs
thumb image of 2.2ct Octagon Facet Green Tourmaline (ID: 425159)
2.22ct Tourmaline
25.37 x 3.58 x 2.42mm
USD 44.40
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ID: 4051571 pcs
thumb image of 4ct Octagon Facet Swiss Blue Topaz (ID: 405157)
4.03ct Topaz
10.00 x 7.83 x 5.40mm
USD 28.01
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ID: 3307531 pcs
thumb image of 4.3ct Octagon Facet Watermelon Tourmaline (ID: 330753)
4.26ct Tourmaline
49.63 x 3.23 x 2.49mm
USD 468.60
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ID: 4164271 pcs
thumb image of 2.9ct Octagon Facet Green Tourmaline (ID: 416427)
2.89ct Tourmaline
20.73 x 4.03 x 3.32mm
USD 72.25
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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