Natural Untreated Gemstones
Discover genuine untreated gemstones selected for natural beauty, rarity, and authenticity.
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Bi-color Natural Untreated Gemstones
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Black Natural Untreated Gemstones
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Blue Natural Untreated Gemstones
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Brown Natural Untreated Gemstones
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Golden Natural Untreated Gemstones
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Gray Natural Untreated Gemstones
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Green Natural Untreated Gemstones
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Multicolor Natural Untreated Gemstones
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Orange Natural Untreated Gemstones
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Pink Natural Untreated Gemstones
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Purple Natural Untreated Gemstones
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Red Natural Untreated Gemstones
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Turquoise Natural Untreated Gemstones
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Violet Natural Untreated Gemstones
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White Natural Untreated Gemstones
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Yellow Natural Untreated Gemstones
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Single |
Pairs |
Lots |
Faceted |
Cabochons |
2.10Ctw Medium-Light Yellow Golden Beryl, Oval, Vs
8 x 6 mm (calibrated)
$ 69.30
0.90Ct Medium Purple Spinel, Oval, Vs
6.6 x 5.1 mm
$ 101.20
3.23Ctw White Topaz, Cushion, Vvs-Vs
4.6 x 4.6 mm
$ 21.32
12.03Ctw Clear White Topaz, Oval, Vs
12 x 10 mm (calibrated)
$ 96.24
2.85Ct Light Gold Golden Beryl, Round, Vvs-Vs
10 mm (calibrated)
$ 75.24
1.12Ct Light Violet Spinel, Cushion, Vs
6.3 x 5.2 mm
$ 93.36
7.55Ctw White Topaz, Square, Vvs-Vs
5 x 5 mm (calibrated)
$ 72.29
0.18Ct Very Light Pink Morganite, Round, Vs-Si
4 mm (calibrated)
$ 9.00
1.83Ct Light Golden-Yellow Beryl, Oval, Vvs
10 x 8 mm (calibrated)
$ 43.92
1.16Ct Grayish Pink Spinel, Cushion, Vs
6.5 x 5.6 mm
$ 104.40
1.79Ctw Multicolor Andalusite, Oval, Vs
5 x 3 mm (calibrated)
$ 115.21
1.56Ct Light Gold Beryl, Oval, Vvs
9 x 7 mm (calibrated)
$ 37.44
0.90Ct Medium Light-Pink Morganite, Pear Shape, Vvs
10.4 x 4.9 mm
$ 95.04
0.70Ct Honey Yellow Beryl, Oval, Vvs-Vs
7 x 5 mm (calibrated)
$ 16.80
3.91Ctw Multicolor Andalusite, Round, Vs
3.7 mm
$ 206.92
0.84Ct Medium Pink Morganite, Pear Shape, Vvs-Vs
8 x 6 mm (calibrated)
$ 42.00
1.24Ct Light Pink Morganite, Round, Vs
7.5 mm (calibrated)
$ 114.58
3.82Ctw Multicolor Andalusite, Round, Vs
3.7 mm
$ 202.14
4.00Ctw Warm White Topaz, Square, Vvs-Vs
4 x 4 mm (calibrated)
$ 38.81
2.35Ct Medium-Light Yellow Beryl, Round, Vvs
9 mm (calibrated)
$ 62.04
0.28Ct L Diamond, Round, Vvs
4 mm (calibrated)
$ 566.39
1.33Ct Medium Purple Sapphire, Pear Shape, Vs-Si
7.2 x 5.7 mm
$ 769.27
1.73Ctw Light Golden Morganite, Pear Shape, Vs
8 x 6 mm (calibrated)
$ 114.18
1.56Ct Light Purple Spinel, Cushion, Vvs-Vs
6.9 x 6.6 mm
$ 138.38
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Why Buy Natural Untreated Gemstones from GemSelect?
- Trusted Worldwide Since 2003
- Supplying natural gemstones to jewelers and collectors in 120+ countries
- Verified natural gemstones
- View All GemSelect Reviews on Bizrate
- Secure checkout and insured worldwide delivery
- 30-day returns and satisfaction guarantee
Why Choose Untreated Gemstones?
Untreated gemstones are valued for their natural color and clarity without artificial enhancement. Many buyers prefer these gems for authenticity, rarity, and long-term value.
Natural Loose Untreated Gems Online
Shop loose untreated gemstones online at GemSelect with confidence. Browse sapphires, rubies, spinels, aquamarine, garnet, tourmaline, and more with full disclosure.
Untreated Gemstones for Jewelry
Natural untreated gems are excellent for rings, earrings, pendants, and custom jewelry. Their original beauty makes every piece unique and meaningful.
Popular Untreated Gemstone Types
Popular choices include untreated sapphire, ruby, spinel, garnet, tourmaline, zircon, aquamarine, and many collector stones in a wide range of colors.
Certified Natural Gemstones
Many buyers choose untreated gemstones with gemological reports for added confidence. Certification can confirm identity and indicate whether treatments are present.
Collector Quality Untreated Gems
Collectors appreciate untreated gemstones because naturally fine examples are rarer than treated material. These stones can be especially desirable when color and clarity are strong.
Calibrated Untreated Gemstones
We also offer calibrated untreated gemstones in popular sizes suitable for standard jewelry settings, making custom designs easier and faster.
Worldwide Shipping from GemSelect
GemSelect offers secure online ordering, detailed product images, and worldwide delivery so you can shop untreated gemstones from anywhere.
Learn more about gemstone treatments, identification, and care on our Gemstone Information Pages.
FAQs
What does untreated gemstone mean?
An untreated gemstone has not undergone enhancement processes such as heating, dyeing, filling, coating, or diffusion to improve appearance.
Are untreated gemstones more valuable?
Often yes, especially in sapphire, ruby, and other premium gems where fine untreated stones are rarer than treated examples.
How can I verify a gemstone is untreated?
Independent laboratory certification is the best way to verify whether a gemstone is natural and untreated.
Which gemstones are commonly sold untreated?
Spinel, garnet, zircon, tourmaline, aquamarine, and some sapphires or rubies are often available untreated depending on source and quality.
Are all untreated gemstones natural?
Natural untreated gemstones are mined stones that have not been enhanced after cutting. Always buy from trusted sellers with clear disclosure.
GemSelect Certified Store Reviews
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 8 
Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use
Overall Rating -> 10 
No problems. I had a minor address issue in the past and someone got back to me very quickly and we resolved the issue satisfactorily. I appreciated the quick, concerned response. So important when buyer/seller are so far apart in distance. Thank you Gem Select. Keep up the good work!
Overall Rating -> 10
Was a good experience.
Overall Rating -> 10
Easy to use. No issues. Large selection of gems.
Overall Rating -> 8
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.
Overall Rating -> 10
Very food
