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Buy Cassiterite Gems

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4.20ct Natural Medium Red Star Ruby, Oval, Opaque, Photo A

4.20ct Natural Medium Red Star Ruby, Oval, Opaque

Star Ruby

4.20ct1 pc
$ 80.64
9 x 7 mm (calibrated)
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1.96ct Natural Yellowish Gold Citrine, Round, VVS, Photo A

1.96ct Natural Yellowish Gold Citrine, Round, VVS

Citrine

1.96ct1 pc
$ 16.46
8 mm (calibrated)
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2.99ctw Natural Clear White Topaz, Cushion, VVS-VS, Photo A

2.99ctw Natural Clear White Topaz, Cushion, VVS-VS

Topaz

2.99ct total6 pcs
$ 19.74
4.6 x 4.6 mm
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3.69ctw Natural Medium Red Pyrope Garnet, Heart, VS, Photo A

3.69ctw Natural Medium Red Pyrope Garnet, Heart, VS

Pyrope Garnet

3.69ct total2 pcs
$ 35.42
8 x 8 mm (calibrated)
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0.97ct Natural Light Orange Moonstone, Pear Shape, Transparent, Photo A

0.97ct Natural Light Orange Moonstone, Pear Shape, Transparent

Moonstone

0.97ct1 pc
$ 2.33
9 x 6 mm (calibrated)
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7.16ct Natural Light Green Jadeite, Marquise, Translucent, Photo A

7.16ct Natural Light Green Jadeite, Marquise, Translucent

Jadeite

7.16ct1 pc
$ 18.90
22.1 x 10.3 mm
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12.40ct Natural Multicolor Amethyst Geode Slice, Fancy, Transparent, Photo A

12.40ct Natural Multicolor Amethyst Geode Slice, Fancy, Transparent

Amethyst Geode Slice

12.40ct1 pc
$ 15.92
20 x 15 mm (calibrated)
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2.16ct Natural Earthy Green Tourmaline, Octagon / Emerald Cut, VS-SI, Photo A

2.16ct Natural Earthy Green Tourmaline, Octagon / Emerald Cut, VS-SI

Tourmaline

2.16ct1 pc
$ 71.28
16.9 x 4.2 mm
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6.41ct Natural Medium Green Malachite, Oval, Opaque, Photo A

6.41ct Natural Medium Green Malachite, Oval, Opaque

Malachite

6.41ct1 pc
$ 15.38
11.6 x 8.9 mm
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0.46ct Natural Bright Orange Sapphire, Heart, VS, Photo A

0.46ct Natural Bright Orange Sapphire, Heart, VS

Sapphire

0.46ct1 pc
$ 34.22
4.7 x 4.6 mm
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7.44ctw Natural Black Spinel, Round, Opaque, Photo A

7.44ctw Natural Black Spinel, Round, Opaque

Spinel

7.44ct total2 pcs
$ 34.37
9 mm (calibrated)
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7.40ctw Natural Multicolor Labradorite, Round, Opaque, Photo A

7.40ctw Natural Multicolor Labradorite, Round, Opaque

Labradorite

7.40ct total2 pcs
$ 21.67
10 mm (calibrated)
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14.00ctw Natural Black Spinel, Heart, Opaque, Photo A

14.00ctw Natural Black Spinel, Heart, Opaque

Spinel

14.00ct total2 pcs
$ 92.40
12 x 12 mm (calibrated)
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1.76ctw Natural Sky Blue Topaz, Pear Shape, VS, Photo A

1.76ctw Natural Sky Blue Topaz, Pear Shape, VS

Topaz

1.76ct total2 pcs
$ 16.26
7 x 5 mm (calibrated)
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0.80ct Natural Orange Brown Zircon, Oval, VVS, Photo A

0.80ct Natural Orange Brown Zircon, Oval, VVS

Zircon

0.80ct1 pc
$ 24.00
5.2 x 4 mm
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2.27ct Natural Medium Orange Hessonite Garnet, Oval, VS-SI, Photo A

2.27ct Natural Medium Orange Hessonite Garnet, Oval, VS-SI

Hessonite Garnet

2.27ct1 pc
$ 48.28
9 x 7 mm (calibrated)
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0.99ct Natural Black Diamond, Square, Opaque, Photo A
Diamond Product Video (677844)

0.99ct Natural Black Diamond, Square, Opaque

Diamond

0.99ct1 pc
$ 679.49
5.1 x 4.8 mm
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0.55ct Natural Bright Orange Sapphire, Cushion, VS, Photo A

0.55ct Natural Bright Orange Sapphire, Cushion, VS

Sapphire

0.55ct1 pc
$ 36.00
4.5 x 4.4 mm
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0.83ct Natural Pale Yellow Color-Change Diaspore, Pear Shape, VVS-VS, Photo A

0.83ct Natural Pale Yellow Color-Change Diaspore, Pear Shape, VVS-VS

Color-Change Diaspore

0.83ct1 pc
$ 35.06
10.9 x 4 mm
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10.40ct Natural Light Green Jadeite, Oval, Translucent, Photo A

10.40ct Natural Light Green Jadeite, Oval, Translucent

Jadeite

10.40ct1 pc
$ 41.18
17.6 x 14 mm
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0.64ct Natural Deep Orange Zircon, Oval, VVS, Photo A

0.64ct Natural Deep Orange Zircon, Oval, VVS

Zircon

0.64ct1 pc
$ 11.52
6 x 4 mm (calibrated)
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1.58ctw Natural White Sapphire, Round, VS, Photo A
Sapphire Product Video (444464)

1.58ctw Natural White Sapphire, Round, VS

Sapphire

1.58ct total4 pcs
$ 251.44
4.3 mm
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0.80ct Natural Intense Orange Fire Opal, Oval, Translucent, Photo A

0.80ct Natural Intense Orange Fire Opal, Oval, Translucent

Fire Opal

0.80ct1 pc
$ 22.00
8 x 6 mm (calibrated)
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0.91ctw Natural Fire Red Sapphire, Oval, VVS, Photo A

0.91ctw Natural Fire Red Sapphire, Oval, VVS

Sapphire

0.91ct total2 pcs
$ 58.13
6 x 4.2 mm
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0.76ct Natural Dark Red Ruby, Round, VS-SI, Photo A

0.76ct Natural Dark Red Ruby, Round, VS-SI

Ruby

0.76ct1 pc
$ 297.17
5.3 mm
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29.84ct Natural Multicolor Ruby-Zoisite, Pear Shape, Opaque, Photo A
Ruby-Zoisite Product Video (484038)

29.84ct Natural Multicolor Ruby-Zoisite, Pear Shape, Opaque

Ruby-Zoisite

29.84ct1 pc
$ 59.09
27.9 x 18.4 mm
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2.05ct Natural Multicolor Opal, Oval, Transparent, Photo A

2.05ct Natural Multicolor Opal, Oval, Transparent

Opal

2.05ct1 pc
$ 110.70
5.5 mm (calibrated)
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5.40ct Natural Cornflower Blue Sapphire, Pear Shape, VVS-VS, Photo A
Sapphire Product Video (439691)

5.40ct Natural Cornflower Blue Sapphire, Pear Shape, VVS-VS

Sapphire

5.40ct1 pc
$ 16,632.00
13 x 9 mm (calibrated)
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12.39ct Natural Intense Silver Aqua-Blue Aquamarine, Oval, VS-SI, Photo A

12.39ct Natural Intense Silver Aqua-Blue Aquamarine, Oval, VS-SI

Aquamarine

12.39ct1 pc
$ 1,189.44
18 x 13 mm (calibrated)
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7.77ct Natural Medium Green Agate, Oval, Translucent, Photo A

7.77ct Natural Medium Green Agate, Oval, Translucent

Agate

7.77ct1 pc
$ 8.21
13.4 x 11.4 mm
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1.27ct Natural Raspberry Pink Malaya Garnet, Oval, VS, Photo A

1.27ct Natural Raspberry Pink Malaya Garnet, Oval, VS

Malaya Garnet

1.27ct1 pc
$ 67.06
7 x 5 mm (calibrated)
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0.60ct Natural Medium Red Pyrope Garnet, Heart, VVS-VS, Photo A

0.60ct Natural Medium Red Pyrope Garnet, Heart, VVS-VS

Pyrope Garnet

0.60ct1 pc
$ 5.76
5.3 x 5.2 mm
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Why Buy Cassiterite 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

Easy to use. No issues. Large selection of gems.

Posted By CLTCJH in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect offers excellent choices, prices & service- highly recommended! Unfortunately, prior to ordering a replacement gemstone, my jeweler neglected to mention it needed to be one that was a'cushion cuta' to fit the existing mount. Have yet to return/exchangea'

Posted By CJ in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I needed a very specific color of tourmaline and Gem Select had it. I had to get the client to agree and then ordered the stone. It arrived better than pictured and we all were very happy.

Posted By Tim W in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

My experience was done with ease

Posted By Barb in October, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Okay thank you.

Posted By Bepc61 in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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