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Buy Octagon Shape 27 x 20 mm Gems

Exact Match not Available: Go Back
0.80ct Natural Warm Green Emerald, Octagon / Emerald Cut, SI, Photo A
Emerald Product Video (668720)

0.80ct Natural Warm Green Emerald, Octagon / Emerald Cut, SI

Emerald

0.80ct1 pc
$ 240.00
5.7 x 5.3 mm
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1.00ct Natural Light Grey Sillimanite Cat's Eye, Oval, Translucent, Photo A

1.00ct Natural Light Grey Sillimanite Cat's Eye, Oval, Translucent

Sillimanite Cat's Eye

1.00ct1 pc
$ 3.60
5.9 x 4.4 mm
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12.94ctw Natural Medium Violet Amethyst, Oval, Transparent, Photo A

12.94ctw Natural Medium Violet Amethyst, Oval, Transparent

Amethyst

12.94ct total2 pcs
$ 85.40
14 x 10 mm (calibrated)
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7.56ct Natural Yellowish Gold Rutile Quartz, Oval, Translucent, Photo A

7.56ct Natural Yellowish Gold Rutile Quartz, Oval, Translucent

Rutile Quartz

7.56ct1 pc
$ 24.95
15 x 10.9 mm
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1.26ct Natural Light Yellow Beryl, Trillion, VVS-VS, Photo A

1.26ct Natural Light Yellow Beryl, Trillion, VVS-VS

Beryl

1.26ct1 pc
$ 30.24
8 x 7.5 mm
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23.13ctw Natural Light Tiger Orange Sunstone, Oval, Transparent, Photo A

23.13ctw Natural Light Tiger Orange Sunstone, Oval, Transparent

Sunstone

23.13ct total5 pcs
$ 161.91
12 x 10 mm (calibrated)
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3.37ct Natural Golden-Orange Citrine, Fancy, VVS, Photo A
Citrine Product Video (597023)

3.37ct Natural Golden-Orange Citrine, Fancy, VVS

Citrine

3.37ct1 pc
$ 26.69
11.9 x 8.5 mm
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0.20ct Natural Very Light Pink Morganite, Round, VVS, Photo A

0.20ct Natural Very Light Pink Morganite, Round, VVS

Morganite

0.20ct1 pc
$ 10.00
4 mm (calibrated)
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0.55ct Natural True Blue Kyanite, Round, SI, Photo A

0.55ct Natural True Blue Kyanite, Round, SI

Kyanite

0.55ct1 pc
$ 16.50
4.3 mm
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1.54ct Natural Cognac Diamond, Round, SI, Photo A
Diamond Product Video (378644)

1.54ct Natural Cognac Diamond, Round, SI

Diamond

1.54ct1 pc
$ 4,404.40
7.5 mm (calibrated)
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1.12ct Natural Medium Orange Zircon, Round, VVS, Photo A

1.12ct Natural Medium Orange Zircon, Round, VVS

Zircon

1.12ct1 pc
$ 29.57
5.7 mm
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5.51ctw Natural Multicolor Pietersite, Pear Shape, Opaque, Photo A

5.51ctw Natural Multicolor Pietersite, Pear Shape, Opaque

Pietersite

5.51ct total2 pcs
$ 16.26
17.2 x 7.4 mm
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13.48ctw Natural Hot Pink Topaz, Cushion, VVS-VS, Photo A
Topaz Product Video (690586)

13.48ctw Natural Hot Pink Topaz, Cushion, VVS-VS

Topaz

13.48ct total2 pcs
$ 129.41
12 x 10 mm (calibrated)
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0.63ct Natural Medium Purple Sapphire, Oval, VS-SI, Photo A
Sapphire Product Video (566023)

0.63ct Natural Medium Purple Sapphire, Oval, VS-SI

Sapphire

0.63ct1 pc
$ 124.74
6.2 x 4.2 mm
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7.30ct Natural Light Green Prehnite, Fancy, Translucent, Photo A

7.30ct Natural Light Green Prehnite, Fancy, Translucent

Prehnite

7.30ct1 pc
$ 14.46
14.1 x 10.9 mm
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1.59ct Natural Medium Dark-Orange Hessonite Garnet, Oval, VS, Photo A

1.59ct Natural Medium Dark-Orange Hessonite Garnet, Oval, VS

Hessonite Garnet

1.59ct1 pc
$ 38.16
8 x 6 mm (calibrated)
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1.36ct Natural Deep Red Pyrope Garnet, Marquise, VS, Photo A

1.36ct Natural Deep Red Pyrope Garnet, Marquise, VS

Pyrope Garnet

1.36ct1 pc
$ 14.36
9.9 x 5.1 mm
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12.20ct Natural Multicolor Black Opal, Oval, Opaque, Photo A
Black Opal Product Video (744010)

12.20ct Natural Multicolor Black Opal, Oval, Opaque

Black Opal

12.20ct1 pc
$ 610.00
29.5 x 17.5 mm
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8.55ct Natural Multicolor Coral, Oval, Translucent, Photo A

8.55ct Natural Multicolor Coral, Oval, Translucent

Coral

8.55ct1 pc
$ 33.86
18 x 13 mm (calibrated)
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3.72ctw Natural Multicolor Mystic Quartz, Trillion, VS, Photo A

3.72ctw Natural Multicolor Mystic Quartz, Trillion, VS

Mystic Quartz

3.72ct total2 pcs
$ 26.78
8 x 8 mm (calibrated)
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1.00ct Natural Medium Orange Zircon, Oval, VVS-VS, Photo A

1.00ct Natural Medium Orange Zircon, Oval, VVS-VS

Zircon

1.00ct1 pc
$ 18.00
5.8 x 4.8 mm
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9.97ct Natural Medium Green Maw-Sit-Sit, Oval, Opaque, Photo A

9.97ct Natural Medium Green Maw-Sit-Sit, Oval, Opaque

Maw-Sit-Sit

9.97ct1 pc
$ 28.03
16 x 12 mm (calibrated)
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10.20ct Natural Multicolor Labradorite, Pear Shape, Translucent, Photo A

10.20ct Natural Multicolor Labradorite, Pear Shape, Translucent

Labradorite

10.20ct1 pc
$ 27.17
16 x 12 mm (calibrated)
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1.82ctw Natural Bright Red Pyrope Garnet, Square, VS, Photo A

1.82ctw Natural Bright Red Pyrope Garnet, Square, VS

Pyrope Garnet

1.82ct total3 pcs
$ 16.81
5 x 5 mm (calibrated)
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0.94ct Natural Light Grey Tourmaline, Round, Transparent, Photo A

0.94ct Natural Light Grey Tourmaline, Round, Transparent

Tourmaline

0.94ct1 pc
$ 22.56
6 mm (calibrated)
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3.92ct Natural Medium Violet-Pink Amethyst, Pear Shape, VS, Photo A

3.92ct Natural Medium Violet-Pink Amethyst, Pear Shape, VS

Amethyst

3.92ct1 pc
$ 36.22
13 x 9 mm (calibrated)
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0.49ct Natural Bluish White Sapphire, Heart, VS, Photo A

0.49ct Natural Bluish White Sapphire, Heart, VS

Sapphire

0.49ct1 pc
$ 41.16
4.7 x 4.6 mm
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3.37ct Natural Gold Citrine, Octagon / Emerald Cut, VVS-VS, Photo A

3.37ct Natural Gold Citrine, Octagon / Emerald Cut, VVS-VS

Citrine

3.37ct1 pc
$ 31.14
11 x 9 mm (calibrated)
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4.81ct Natural Warm White Topaz, Round, VS, Photo A

4.81ct Natural Warm White Topaz, Round, VS

Topaz

4.81ct1 pc
$ 31.75
10 mm (calibrated)
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7.31ct Natural Multicolor Coral, Oval, Translucent, Photo A

7.31ct Natural Multicolor Coral, Oval, Translucent

Coral

7.31ct1 pc
$ 25.00
16 x 13.9 mm
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0.92ct Natural Reddish Orange Hessonite Garnet, Round, VS, Photo A

0.92ct Natural Reddish Orange Hessonite Garnet, Round, VS

Hessonite Garnet

0.92ct1 pc
$ 16.93
6 mm (calibrated)
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1.14ctw Natural Orange-Gold Citrine, Pear Shape, VVS, Photo A

1.14ctw Natural Orange-Gold Citrine, Pear Shape, VVS

Citrine

1.14ct total2 pcs
$ 10.94
7 x 5 mm (calibrated)
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Why Buy Octagon Shape 27 X 20 Mm Gems from GemSelect?

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

I've purchased from here many times over the last decade+. I find the information easy to understand, helpful, and interesting. I have always been satisfied that I got exactly what I ordered. Pictures and descriptions are clear and unique to each stone.

Posted By Maggie in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

excellent deals-excellent service-fair prices

Posted By JD in April, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I did not have any problems

Posted By Clilrichard in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar

Posted By TheP in January, 2025
Source: Bizrate
Enlarged Gemstone Image