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Buy Octagon Shape 27 x 20 mm Gems

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6.31ct Natural Deep Magenta Topaz, Cushion, VVS, Photo A

6.31ct Natural Deep Magenta Topaz, Cushion, VVS

Topaz

6.31ct1 pc
$ 60.58
12 x 10 mm (calibrated)
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2.63ct Natural Golden Orange Citrine, Oval, VVS-VS, Photo A

2.63ct Natural Golden Orange Citrine, Oval, VVS-VS

Citrine

2.63ct1 pc
$ 17.36
10 x 8 mm (calibrated)
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1.35ctw Natural Dark Golden Sapphire, Round, VVS-VS, Photo A

1.35ctw Natural Dark Golden Sapphire, Round, VVS-VS

Sapphire

1.35ct total2 pcs
$ 107.02
5 mm (calibrated)
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0.32ct Natural Dark Red Ruby, Round, VS, Photo A

0.32ct Natural Dark Red Ruby, Round, VS

Ruby

0.32ct1 pc
$ 127.15
3.8 mm
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5.42ct Natural Pale Earth Green Jadeite, Oval, Opaque, Photo A

5.42ct Natural Pale Earth Green Jadeite, Oval, Opaque

Jadeite

5.42ct1 pc
$ 41.08
12 x 10 mm (calibrated)
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5.19ctw Natural Multicolor Opal, Square, Transparent, Photo A

5.19ctw Natural Multicolor Opal, Square, Transparent

Opal

5.19ct total30 pcs
$ 44.65
4.4 x 4.3 mm
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0.38ct Natural Purple Pink Sapphire, Pear Shape, VS, Photo A

0.38ct Natural Purple Pink Sapphire, Pear Shape, VS

Sapphire

0.38ct1 pc
$ 41.88
5.9 x 4.5 mm
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57.73ctw Natural Medium Grey Hematite, Baguette, Opaque, Photo A

57.73ctw Natural Medium Grey Hematite, Baguette, Opaque

Hematite

57.73ct total2 pcs
$ 67.82
18.2 x 14.5 mm
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2.47ctw Natural White Zircon, Oval, VVS-VS, Photo A

2.47ctw Natural White Zircon, Oval, VVS-VS

Zircon

2.47ct total2 pcs
$ 17.64
7 x 5 mm (calibrated)
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3.54ctw Natural Merlot Red Pyrope Garnet, Marquise, VVS-VS, Photo A

3.54ctw Natural Merlot Red Pyrope Garnet, Marquise, VVS-VS

Pyrope Garnet

3.54ct total2 pcs
$ 42.20
12 x 6.1 mm
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4.64ct Natural Medium Dark-Purple Ruby, Fancy, Opaque, Photo A

4.64ct Natural Medium Dark-Purple Ruby, Fancy, Opaque

Ruby

4.64ct1 pc
$ 111.36
14.4 x 11.4 mm
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21.59ct Natural Bluish Green Turquoise, Oval, Opaque, Photo A
Turquoise Product Video (678899)

21.59ct Natural Bluish Green Turquoise, Oval, Opaque

Turquoise

21.59ct1 pc
$ 78.24
27.2 x 15.5 mm
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2.23ct Natural Very Light Blue Green Fluorite, Oval, Transparent, Photo A

2.23ct Natural Very Light Blue Green Fluorite, Oval, Transparent

Fluorite

2.23ct1 pc
$ 10.70
8.9 x 7.4 mm
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1.82ct Natural Dijon Yellow Sphene, Oval, Transparent, Photo A

1.82ct Natural Dijon Yellow Sphene, Oval, Transparent

Sphene

1.82ct1 pc
$ 10.92
7.4 x 6.6 mm
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44.54ct Natural Multicolor Jasper, Oval, Opaque, Photo A

44.54ct Natural Multicolor Jasper, Oval, Opaque

Jasper

44.54ct1 pc
$ 58.79
31 x 23.8 mm
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14.33ct Natural Multicolor Ammolite, Pear Shape, Opaque, Photo A

14.33ct Natural Multicolor Ammolite, Pear Shape, Opaque

Ammolite

14.33ct1 pc
$ 189.16
22.8 x 17 mm
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14.39ct Natural Multicolor Agate, Fancy, Translucent, Photo A

14.39ct Natural Multicolor Agate, Fancy, Translucent

Agate

14.39ct1 pc
$ 30.36
16.7 x 9.1 mm
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8.00ct Natural Medium-Dark Green Amazonite, Marquise, Opaque, Photo A

8.00ct Natural Medium-Dark Green Amazonite, Marquise, Opaque

Amazonite

8.00ct1 pc
$ 23.54
18.4 x 9.3 mm
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1.56ctw Natural Sky Blue Topaz, Pear Shape, VVS-VS, Photo A

1.56ctw Natural Sky Blue Topaz, Pear Shape, VVS-VS

Topaz

1.56ct total2 pcs
$ 10.30
7 x 5 mm (calibrated)
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1.37ct Natural Very Light Yellow Color-Change Diaspore, Cushion, VS, Photo A

1.37ct Natural Very Light Yellow Color-Change Diaspore, Cushion, VS

Color-Change Diaspore

1.37ct1 pc
$ 81.38
8.1 x 5.2 mm
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4.79ct Natural Clear with Brown Rutile Quartz, Round, Translucent, Photo A

4.79ct Natural Clear with Brown Rutile Quartz, Round, Translucent

Rutile Quartz

4.79ct1 pc
$ 14.48
11 mm (calibrated)
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8.79ct Natural Golden-Orange Citrine, Briolette, VVS, Photo A

8.79ct Natural Golden-Orange Citrine, Briolette, VVS

Citrine

8.79ct1 pc
$ 60.22
15.8 x 9.7 mm
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12.16ct Natural Clear with Black Rutile Quartz, Sphere / Ball, Translucent, Photo A

12.16ct Natural Clear with Black Rutile Quartz, Sphere / Ball, Translucent

Rutile Quartz

12.16ct1 pc
$ 16.86
12 mm (calibrated)
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8.66ctw Natural Multicolor Pietersite, Oval, Opaque, Photo A

8.66ctw Natural Multicolor Pietersite, Oval, Opaque

Pietersite

8.66ct total2 pcs
$ 45.72
14 x 10 mm (calibrated)
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6.76ct Natural Umber Brown Smoky Quartz, Round, VVS-VS, Photo A

6.76ct Natural Umber Brown Smoky Quartz, Round, VVS-VS

Smoky Quartz

6.76ct1 pc
$ 22.31
12 mm (calibrated)
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1.51ct Natural Dark Green Tourmaline, Octagon / Emerald Cut, VVS-VS, Photo A

1.51ct Natural Dark Green Tourmaline, Octagon / Emerald Cut, VVS-VS

Tourmaline

1.51ct1 pc
$ 45.30
9.3 x 4.8 mm
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1.34ct Natural Intense Pinkish Purple Sapphire, Cushion, VS, Photo A
Sapphire Product Video (447698)

1.34ct Natural Intense Pinkish Purple Sapphire, Cushion, VS

Sapphire

1.34ct1 pc
$ 774.00
6.5 x 5.3 mm
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21.11ct Natural Deep Red Pyrope Garnet, Oval, VS-SI, Photo A
Pyrope Garnet Product Video (717339)

21.11ct Natural Deep Red Pyrope Garnet, Oval, VS-SI

Pyrope Garnet

21.11ct1 pc
$ 759.96
17.6 x 14.3 mm
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2.35ct Natural Reddish Orange Hessonite Garnet, Cushion, VS-SI, Photo A

2.35ct Natural Reddish Orange Hessonite Garnet, Cushion, VS-SI

Hessonite Garnet

2.35ct1 pc
$ 56.40
9 x 7 mm (calibrated)
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1.64ct Natural Brownish Orange Zircon, Octagon / Emerald Cut, VVS, Photo A

1.64ct Natural Brownish Orange Zircon, Octagon / Emerald Cut, VVS

Zircon

1.64ct1 pc
$ 32.47
7 x 5 mm (calibrated)
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0.94ct Natural Yellow Beige Color-Change Diaspore, Octagon / Emerald Cut, VS, Photo A

0.94ct Natural Yellow Beige Color-Change Diaspore, Octagon / Emerald Cut, VS

Color-Change Diaspore

0.94ct1 pc
$ 42.07
6.1 x 5.4 mm
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2.95ct Natural Swiss Blue Topaz, Flower Cut, Transparent, Photo A

2.95ct Natural Swiss Blue Topaz, Flower Cut, Transparent

Topaz

2.95ct1 pc
$ 38.78
9 x 9 mm (calibrated)
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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 have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.

Posted By DNaber in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very large selection from affordable to high end I will be coming back to shop again!

Posted By GreenGator in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.

Posted By Fried Rice in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

the selection is good as are the prices

Posted By Old man in August, 2025
Source: Bizrate
Enlarged Gemstone Image