90,000+Happy Customers
20+Years
WorldwideShipping
Cart
Free Report Included
Worldwide Shipping
30 Day Returns
Help Center Shipping Payment and Checkout Returns Certificates Contact Us
Home › Gemstones › Cassiterite

Cassiterite Gemstones: Natural & Certified | GemSelect

Exact Match not Available: Go Back
3.11ctw Natural Light Green Prehnite, Oval, Transparent, Photo A

3.11ctw Natural Light Green Prehnite, Oval, Transparent

Prehnite

3.11ct total2 pcs
$ 17.04
8.1 x 6.9 mm
View Details
Add to Cart
13.99ct Natural Raspberry Red Ruby-Zoisite, Flower Cut, Opaque, Photo A

13.99ct Natural Raspberry Red Ruby-Zoisite, Flower Cut, Opaque

Ruby-Zoisite

13.99ct1 pc
$ 17.00
15 x 15 mm (calibrated)
View Details
Add to Cart
1.87ct Natural Medium Purple Kunzite, Cushion, VS, Photo A

1.87ct Natural Medium Purple Kunzite, Cushion, VS

Kunzite

1.87ct1 pc
$ 51.46
6.5 x 6.4 mm
View Details
Add to Cart
18.91ct Natural Warm Brown Tiger's Eye, Fancy, Opaque, Photo A

18.91ct Natural Warm Brown Tiger's Eye, Fancy, Opaque

Tiger's Eye

18.91ct1 pc
$ 1.88
25.6 x 9.4 mm
View Details
Add to Cart
0.88ct Natural Dark Green Tourmaline, Baguette, VS, Photo A

0.88ct Natural Dark Green Tourmaline, Baguette, VS

Tourmaline

0.88ct1 pc
$ 30.68
10.2 x 3.2 mm
View Details
Add to Cart
8.28ctw Natural Swiss Blue Topaz, Marquise, VVS-VS, Photo A
Topaz Product Video (438351)

8.28ctw Natural Swiss Blue Topaz, Marquise, VVS-VS

Topaz

8.28ct total2 pcs
$ 58.32
13.9 x 8.1 mm
View Details
Add to Cart
7.22ct Natural Medium Violet Amethyst, Fancy, Transparent, Photo A

7.22ct Natural Medium Violet Amethyst, Fancy, Transparent

Amethyst

7.22ct1 pc
$ 39.55
16 x 12 mm (calibrated)
View Details
Add to Cart
0.76ct Natural Bright Gold Citrine, Pear Shape, VVS, Photo A

0.76ct Natural Bright Gold Citrine, Pear Shape, VVS

Citrine

0.76ct1 pc
$ 3.78
7 x 5 mm (calibrated)
View Details
Add to Cart
1.54ct Natural Medium Pink Ruby, Octagon / Emerald Cut, VS-SI, Photo A

1.54ct Natural Medium Pink Ruby, Octagon / Emerald Cut, VS-SI

Ruby

1.54ct1 pc
$ 230.08
8.6 x 5 mm
View Details
Add to Cart
0.78ct Natural Brownish Orange Sphalerite, Oval, VS-SI, Photo A

0.78ct Natural Brownish Orange Sphalerite, Oval, VS-SI

Sphalerite

0.78ct1 pc
$ 38.84
5.7 x 4.9 mm
View Details
Add to Cart
4.27ct Natural Medium Golden Citrine, Oval, VS, Photo A

4.27ct Natural Medium Golden Citrine, Oval, VS

Citrine

4.27ct1 pc
$ 23.40
12 x 10 mm (calibrated)
View Details
Add to Cart
0.74ct Natural Intense Red Sapphire, Oval, VVS-VS, Photo A

0.74ct Natural Intense Red Sapphire, Oval, VVS-VS

Sapphire

0.74ct1 pc
$ 33.78
6 x 4 mm (calibrated)
View Details
Add to Cart
0.86ct Natural Deep Golden Orange Sapphire, Oval, VVS, Photo A

0.86ct Natural Deep Golden Orange Sapphire, Oval, VVS

Sapphire

0.86ct1 pc
$ 74.78
6.3 x 4.8 mm
View Details
Add to Cart
11.75ct Natural Medium Brown Tiger's Eye, Baguette, Opaque, Photo A

11.75ct Natural Medium Brown Tiger's Eye, Baguette, Opaque

Tiger's Eye

11.75ct1 pc
$ 15.22
18 x 13 mm (calibrated)
View Details
Add to Cart
4.40ct Natural Rose Pink Strawberry Quartz, Round, Translucent, Photo A

4.40ct Natural Rose Pink Strawberry Quartz, Round, Translucent

Strawberry Quartz

4.40ct1 pc
$ 26.90
11 mm (calibrated)
View Details
Add to Cart
6.63ct Natural Dark Brown Smoky Quartz, Round, VVS-VS, Photo A

6.63ct Natural Dark Brown Smoky Quartz, Round, VVS-VS

Smoky Quartz

6.63ct1 pc
$ 10.91
13 mm (calibrated)
View Details
Add to Cart
1.28ct Natural Light Pink Morganite, Round, VVS-VS, Photo A

1.28ct Natural Light Pink Morganite, Round, VVS-VS

Morganite

1.28ct1 pc
$ 98.16
7 mm (calibrated)
View Details
Add to Cart
3.22ct Natural Bumblebee Yellow Rutile Quartz, Oval, Transparent, Photo A

3.22ct Natural Bumblebee Yellow Rutile Quartz, Oval, Transparent

Rutile Quartz

3.22ct1 pc
$ 8.67
11 x 9 mm (calibrated)
View Details
Add to Cart
2.19ct Natural Multicolor Black Opal, Marquise, Translucent, Photo A

2.19ct Natural Multicolor Black Opal, Marquise, Translucent

Black Opal

2.19ct1 pc
$ 66.66
18.6 x 6.6 mm
View Details
Add to Cart
15.53ct Natural Very Deep Blue Lapis Lazuli, Oval, Opaque, Photo A

15.53ct Natural Very Deep Blue Lapis Lazuli, Oval, Opaque

Lapis Lazuli

15.53ct1 pc
$ 22.17
16.7 x 12.8 mm
View Details
Add to Cart
11.14ct Natural White with Black Dendritic Agate, Pear Shape, Opaque, Photo A

11.14ct Natural White with Black Dendritic Agate, Pear Shape, Opaque

Dendritic Agate

11.14ct1 pc
$ 7.77
25.3 x 12.6 mm
View Details
Add to Cart
2.58ct Natural Deep Orange Hessonite Garnet, Octagon / Emerald Cut, SI, Photo A

2.58ct Natural Deep Orange Hessonite Garnet, Octagon / Emerald Cut, SI

Hessonite Garnet

2.58ct1 pc
$ 46.51
9 x 7 mm (calibrated)
View Details
Add to Cart
1.86ct Natural Cognac Diamond, Cushion, SI, Photo A
Diamond Product Video (382047)

1.86ct Natural Cognac Diamond, Cushion, SI

Diamond

1.86ct1 pc
$ 3,475.55
6.6 x 6.5 mm
View Details
Add to Cart
0.77ct Natural Lively Green Peridot, Square, Transparent, Photo A

0.77ct Natural Lively Green Peridot, Square, Transparent

Peridot

0.77ct1 pc
$ 6.76
5 x 5 mm (calibrated)
View Details
Add to Cart
50.94ct Natural Deep Purplish Violet Amethyst, Oval, VVS, Photo A
Amethyst Product Video (639275)

50.94ct Natural Deep Purplish Violet Amethyst, Oval, VVS

Amethyst

50.94ct1 pc
$ 355.16
26.9 x 21.6 mm
View Details
Add to Cart
1.63ctw Natural Sky Blue Topaz, Pear Shape, VVS-VS, Photo A

1.63ctw Natural Sky Blue Topaz, Pear Shape, VVS-VS

Topaz

1.63ct total2 pcs
$ 8.93
7 x 5 mm (calibrated)
View Details
Add to Cart
30.53ctw Natural Multicolor Fossil Coral, Cushion, Opaque, Photo A

30.53ctw Natural Multicolor Fossil Coral, Cushion, Opaque

Fossil Coral

30.53ct total2 pcs
$ 38.13
19.7 x 13.7 mm
View Details
Add to Cart
7.56ct Natural Clear White Quartz Cat's Eye, Round, Transparent, Photo A

7.56ct Natural Clear White Quartz Cat's Eye, Round, Transparent

Quartz Cat's Eye

7.56ct1 pc
$ 26.93
12 mm (calibrated)
View Details
Add to Cart
1.47ctw Natural Intense Violet Blue Tanzanite, Pear Shape, VS, Photo A

1.47ctw Natural Intense Violet Blue Tanzanite, Pear Shape, VS

Tanzanite

1.47ct total6 pcs
$ 56.37
5 x 3.8 mm
View Details
Add to Cart
4.41ct Natural Medium Orange-Gold Moonstone, Oval, Transparent, Photo A

4.41ct Natural Medium Orange-Gold Moonstone, Oval, Transparent

Moonstone

4.41ct1 pc
$ 8.78
11 x 9 mm (calibrated)
View Details
Add to Cart
62.88ct Natural Light Yellow Quartz, Oval, Transparent, Photo A

62.88ct Natural Light Yellow Quartz, Oval, Transparent

Quartz

62.88ct1 pc
$ 52.19
31 x 24.1 mm
View Details
Add to Cart
2.85ctw Natural Sky Blue Topaz, Fancy, VVS-VS, Photo A

2.85ctw Natural Sky Blue Topaz, Fancy, VVS-VS

Topaz

2.85ct total2 pcs
$ 15.62
9.9 x 5 mm
View Details
Add to Cart

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 -> 9 star ratings

I've made several purchases over the last 8 years and I've never been less than happy with any of them.

Posted By Jess in July, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

This was my first experience with this company. I had no difficulty finding the item I wanted, and checking out was a breeze! Ia'm hoping my item arrives quickly, intact, and of good quality. Overall, this was a very satisfactory experience.

Posted By Gem connoisseur in August, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what i needed once I worked out what I was looking for.

Posted By Dr Kenneth in August, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great site for finding specific stones and sizes for individual pieces of jewelry

Posted By Designer in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect is always my first choice for purchasing gemstones. The fact that the gems are always exactly as described and pictured on the website has earned my trust many times over. Even when I don't buy, I still love browsing all the beautiful stones. My new favorites are the bright green Tsavorites!

Posted By Lkcisneros in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

selection was broad and the check out was quick. Great site

Posted By JC Karl in September, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
Enlarged Gemstone Image