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Calibrated 30 x 22 mm Octagon Shape Gemstones | GemSelect

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4.88ctw Natural Medium-Light Pink Strawberry Quartz, Oval, Transparent, Photo A

4.88ctw Natural Medium-Light Pink Strawberry Quartz, Oval, Transparent

Strawberry Quartz

4.88ct total2 pcs
$ 74.85
10 x 8 mm (calibrated)
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2.87ct Natural Deep Green Tourmaline, Octagon / Emerald Cut, VVS-VS, Photo A

2.87ct Natural Deep Green Tourmaline, Octagon / Emerald Cut, VVS-VS

Tourmaline

2.87ct1 pc
$ 100.05
25.2 x 4 mm
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2.54ctw Natural Dark Blue Kyanite, Oval, SI, Photo A

2.54ctw Natural Dark Blue Kyanite, Oval, SI

Kyanite

2.54ct total2 pcs
$ 52.88
8.1 x 6.3 mm
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2.89ct Natural Medium Purplish Violet Amethyst, Trillion, VVS-VS, Photo A

2.89ct Natural Medium Purplish Violet Amethyst, Trillion, VVS-VS

Amethyst

2.89ct1 pc
$ 20.15
10 x 10 mm (calibrated)
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3.39ctw Natural Multicolor Labradorite, Round, Translucent, Photo A

3.39ctw Natural Multicolor Labradorite, Round, Translucent

Labradorite

3.39ct total2 pcs
$ 7.29
7 mm (calibrated)
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4.88ct Natural Deep Golden Orange Citrine, Oval, VVS-VS, Photo A

4.88ct Natural Deep Golden Orange Citrine, Oval, VVS-VS

Citrine

4.88ct1 pc
$ 29.57
11.1 x 9.4 mm
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0.53ct Natural Light Yellow Color-Change Diaspore, Cushion, VVS-VS, Photo A

0.53ct Natural Light Yellow Color-Change Diaspore, Cushion, VVS-VS

Color-Change Diaspore

0.53ct1 pc
$ 27.98
5 x 4 mm (calibrated)
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4.89ctw Natural Dark Golden Citrine, Oval, VVS-VS, Photo A

4.89ctw Natural Dark Golden Citrine, Oval, VVS-VS

Citrine

4.89ct total2 pcs
$ 26.79
10 x 8 mm (calibrated)
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8.31ct Natural Multicolor White Dendritic Agate, Pear Shape, Opaque, Photo A

8.31ct Natural Multicolor White Dendritic Agate, Pear Shape, Opaque

Dendritic Agate

8.31ct1 pc
$ 6.62
16 x 12 mm (calibrated)
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1.69ct Natural Deep Violet Blue Tanzanite, Oval, VVS, Photo A
Tanzanite Product Video (717582)

1.69ct Natural Deep Violet Blue Tanzanite, Oval, VVS

Tanzanite

1.69ct1 pc
$ 499.80
8 x 6 mm (calibrated)
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8.74ct Natural Multicolor Black Opal, Oval, Opaque, Photo A

8.74ct Natural Multicolor Black Opal, Oval, Opaque

Black Opal

8.74ct1 pc
$ 261.15
19.6 x 12 mm
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3.38ct Natural Deep Red Almandine Garnet, Pear Shape, VVS, Photo A

3.38ct Natural Deep Red Almandine Garnet, Pear Shape, VVS

Almandine Garnet

3.38ct1 pc
$ 126.24
12 x 8 mm (calibrated)
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0.42ct Natural Deep Golden Orange Sapphire, Round, VVS-VS, Photo A

0.42ct Natural Deep Golden Orange Sapphire, Round, VVS-VS

Sapphire

0.42ct1 pc
$ 26.69
4.5 mm (calibrated)
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16.71ctw Natural Multicolor Jasper, Oval, Opaque, Photo A

16.71ctw Natural Multicolor Jasper, Oval, Opaque

Jasper

16.71ct total2 pcs
$ 9.48
20 x 13.1 mm
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2.60ct Natural Black Cat's Eye Scapolite, Round, Translucent, Photo A

2.60ct Natural Black Cat's Eye Scapolite, Round, Translucent

Cat's Eye Scapolite

2.60ct1 pc
$ 12.95
8.5 mm (calibrated)
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1.37ct Natural Golden Citrine, Octagon / Emerald Cut, VVS, Photo A
Citrine Product Video (689924)

1.37ct Natural Golden Citrine, Octagon / Emerald Cut, VVS

Citrine

1.37ct1 pc
$ 10.91
12.1 x 4.2 mm
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3.82ct Natural Medium Green Emerald, Octagon / Emerald Cut, VS-SI, Photo A
Emerald Product Video (498377)

3.82ct Natural Medium Green Emerald, Octagon / Emerald Cut, VS-SI

Emerald

3.82ct1 pc
$ 8,737.47
10.1 x 7.4 mm
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1.83ctw Natural London Blue Topaz, Oval, VS, Photo A

1.83ctw Natural London Blue Topaz, Oval, VS

Topaz

1.83ct total2 pcs
$ 20.97
7 x 5 mm (calibrated)
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0.53ctw Natural Honey Yellow Sapphire, Square, VS, Photo A

0.53ctw Natural Honey Yellow Sapphire, Square, VS

Sapphire

0.53ct total2 pcs
$ 34.62
3.2 x 3.2 mm
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1.84ct Natural Lively Green Peridot, Oval, VS, Photo A

1.84ct Natural Lively Green Peridot, Oval, VS

Peridot

1.84ct1 pc
$ 15.20
8.3 x 6.3 mm
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1.13ctw Natural London Blue Topaz, Oval, VS, Photo A

1.13ctw Natural London Blue Topaz, Oval, VS

Topaz

1.13ct total2 pcs
$ 9.01
6 x 4 mm (calibrated)
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0.87ct Natural Yam Orange Sunstone, Oval, Translucent, Photo A

0.87ct Natural Yam Orange Sunstone, Oval, Translucent

Sunstone

0.87ct1 pc
$ 6.07
8 x 6 mm (calibrated)
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0.66ct Natural Deep Orange Citrine, Marquise, VVS-VS, Photo A

0.66ct Natural Deep Orange Citrine, Marquise, VVS-VS

Citrine

0.66ct1 pc
$ 3.94
8 x 4 mm (calibrated)
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39.70ct Natural Multicolor Amethyst Geode Slice, Fancy, Transparent, Photo A
Amethyst Geode Slice Product Video (684515)

39.70ct Natural Multicolor Amethyst Geode Slice, Fancy, Transparent

Amethyst Geode Slice

39.70ct1 pc
$ 42.31
29.4 x 28.2 mm
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5.41ct Natural Medium Yellow Quartz, Round, VVS, Photo A

5.41ct Natural Medium Yellow Quartz, Round, VVS

Quartz

5.41ct1 pc
$ 29.64
12 mm (calibrated)
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23.57ct Natural Dark Gray Hematite, Heart, Opaque, Photo A

23.57ct Natural Dark Gray Hematite, Heart, Opaque

Hematite

23.57ct1 pc
$ 51.64
20.4 x 19.1 mm
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0.66ct Natural Light Gold Beryl, Oval, VS, Photo A

0.66ct Natural Light Gold Beryl, Oval, VS

Beryl

0.66ct1 pc
$ 13.15
7 x 5 mm (calibrated)
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0.73ct Natural Medium Orange Sapphire, Round, VS, Photo A

0.73ct Natural Medium Orange Sapphire, Round, VS

Sapphire

0.73ct1 pc
$ 36.00
5 mm (calibrated)
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11.46ctw Natural Medium-Light Yellow Quartz, Round, VVS, Photo A

11.46ctw Natural Medium-Light Yellow Quartz, Round, VVS

Quartz

11.46ct total2 pcs
$ 41.96
12 mm (calibrated)
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2.80ct Natural Medium Red Andesine Labradorite, Pear Shape, Transparent, Photo A

2.80ct Natural Medium Red Andesine Labradorite, Pear Shape, Transparent

Andesine Labradorite

2.80ct1 pc
$ 34.86
11 x 8.4 mm
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19.73ct Natural Medium Pink Violet Amethyst, Octagon / Emerald Cut, VVS, Photo A

19.73ct Natural Medium Pink Violet Amethyst, Octagon / Emerald Cut, VVS

Amethyst

19.73ct1 pc
$ 137.56
18.3 x 14.3 mm
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1.07ct Natural Deep Orange Zircon, Oval, VS, Photo A

1.07ct Natural Deep Orange Zircon, Oval, VS

Zircon

1.07ct1 pc
$ 15.99
6 x 4.9 mm
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Why Buy Octagon Shape 30x22 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

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

It's mostly good, only some item's are easier to find through the search than the menu

Posted By Wayne in July, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

It was fine

Posted By Na in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

My whole experience is great.

Posted By Ghs in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

I've purchased things from GemSelect before. What you see is what you get, which is not always the case with gem sites online. You can find some good value with gem select, and I will buy from them again.

Posted By Meyeusername in March, 2026
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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