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Gemtype Color Shape Weight Size Clarity Price Origin
You Selected (6175): Emerald-Cut Gemstones Clear All
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1.2ct Octagon Step Cut Green to Pink Color-Change Diaspore Gem (ID: 395415)
1.23 ct Color-Change Diaspore
7.6 x 5.2 mm
$ 58.66
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2 pcs
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2.8ct Octagon Facet Swiss Blue Topaz Gem (ID: 419836)
2.76 ct (total 5.51ctw) Topaz
9 x 7.1 mm
$ 38.57
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1.1ct Octagon Facet Green Tourmaline Gem (ID: 416274)
1.05 ct Tourmaline
16.7 x 3.2 mm
$ 25.20
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1.6ct Asscher Cut Golden Green Apatite Gem (ID: 396255)
1.58 ct Apatite
7 x 6.9 mm
$ 58.70
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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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16.1ct Octagon Step Cut Purplish Pink Mystic Topaz Gem (ID: 484923)
16.13 ct Mystic Topaz
15.9 x 12.1 mm
$ 145.17
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2 pcs
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4.1ct Asscher Cut Pink Rose Quartz Gem (ID: 394438)
4.07 ct (total 8.14ctw) Rose Quartz
9.6 x 9.5 mm
$ 40.70
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4 pcs
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1ct Octagon Facet Cinnamon Orange Hessonite Garnet Gem (ID: 394276)
1.01 ct (total 4.04ctw) Hessonite Garnet
6.8 x 4.9 mm
$ 56.36
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40.6ct Octagon Step Cut Light Blue Aquamarine Gem (ID: 264265)
40.56 ct Aquamarine
22 x 17.5 mm
$ 12,995.00
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11.5ct Octagon Step Cut Green Emerald Gem (ID: 459355)
11.48 ct Emerald
14.7 x 12 mm
$ 27,499.00
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1.5ct Octagon Step Cut Red Ruby Gem (ID: 459796)
1.47 ct Ruby
7.6 x 4.9 mm
$ 3,632.81
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3.3ct Octagon Facet Bi-color Ametrine Gem (ID: 442425)
3.32 ct Ametrine
8 x 8.2 mm
$ 16.60
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3.5ct Octagon Step Cut Purplish Pink Mystic Topaz Gem (ID: 489460)
3.47 ct Mystic Topaz
10 x 8.1 mm
$ 27.03
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17.4ct Octagon Facet Bi-color Tourmaline Gem (ID: 328004)
17.35 ct Tourmaline
66.5 x 6.3 mm
$ 3,470.50
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0.2ct Octagon Step Cut Brownish Green Kornerupine Gem (ID: 497944)
0.22 ct Kornerupine
4.6 x 3.1 mm
$ 4.62
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15.5ct Octagon Step Cut Purplish Pink Mystic Topaz Gem (ID: 484919)
15.50 ct Mystic Topaz
16 x 12.1 mm
$ 139.50
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3.4ct Octagon Facet Bi-Color Ametrine Gem (ID: 441981)
3.43 ct Ametrine
8.2 x 7.8 mm
$ 17.15
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2 pcs
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7.1ct Octagon Step Cut Yellow Golden Citrine Gem (ID: 500830)
7.06 ct (total 14.11ctw) Citrine
14.1 x 10.2 mm
$ 82.83
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2.1ct Asscher Cut Golden Green Apatite Gem (ID: 396306)
2.09 ct Apatite
7 x 6.9 mm
$ 77.64
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23.6ct Octagon / Scissor Cut Light Blue Aquamarine Gem (ID: 486948)
23.57 ct Aquamarine
30.7 x 9.5 mm
$ 3,535.50
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Click for Product Video (459798)
1.8ct Octagon Step Cut Red Ruby Gem (ID: 459798)
1.76 ct Ruby
8.2 x 4.5 mm
$ 3,479.59
Item in Stock
Emerald-Cut Gemstones
The 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 emerald-cut showcases the color of a gemstone.

Emerald-cut 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
I have purchased from Gemselect before, the shopping is easy, clear and quick. You have a wide range of products so I can adjust what I want to how much I can spend! The photos of the gems are beautiful and make it easy to choose the one suits me best! I honestly cannot fault you in any way at all! The delivery is always timely too! You guys rock! ;)
Posted By Ljimac1883 in September, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
Website easy to use!!
Posted By Jody in September, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
Easy to use. and fast shipping
Posted By Jj in September, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
Gem Select is a wonderful site for a small business it took us a little time to get acquainted with the site but it all works well. We are happy with the quality and the merchandise and the certificate option.
Posted By Paddy whack in September, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
Easy to use and informative website. There was more than ample information provided about the gemstones and the process.
Posted By Kathy in September, 2018
Source: Bizrate
Overall Rating -> 8 star ratings
This site is super easy to use and has fair prices and plenty of great products!
Posted By Willkayak in September, 2018
Source: Bizrate
Popular Gemstones
All Gemstones (139)
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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