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 |
1.34Ct Light Yellow Beryl, Trillion, Vvs
8 x 8 mm (calibrated)
$ 38.59
1.75Ct Very Light Pink Morganite, Pear Shape, Vs
11.6 x 6.8 mm
$ 161.70
0.43Ct Medium Light-Pink Morganite, Oval, Vvs-Vs
6.1 x 4.3 mm
$ 21.50
15.03Ctw Black Spinel, Round, Opaque
12 mm (calibrated)
$ 59.52
0.55Ct Light Pink Morganite, Pear Shape, Vvs-Vs
7.3 x 4.5 mm
$ 58.08
0.35Ct Light Greenish Blue Aquamarine, Round, Vvs-Vs
5 mm (calibrated)
$ 58.80
0.03Ct E Diamond, Round, Vvs
2 mm (calibrated)
$ 82.50
3.63Ctw Multicolor Andalusite, Round, Vs
3.3 mm
$ 192.29
1.15Ct Light Honey Yellow Beryl, Oval, Vs
8 x 6 mm (calibrated)
$ 34.50
1.05Ct Light Golden-Yellow Beryl, Oval, Vvs-Vs
8 x 6 mm (calibrated)
$ 25.20
1.89Ct Very Light Dijon Yellow Beryl, Round, Vvs
8 mm (calibrated)
$ 45.36
2.03Ct Light Yellow Beryl, Oval, Vvs
10 x 8 mm (calibrated)
$ 48.72
0.99Ct Very Light Pink Morganite, Round, Vvs-Vs
7 mm (calibrated)
$ 46.33
1.50Ct Light Golden-Yellow Beryl, Oval, Vs
9 x 7 mm (calibrated)
$ 34.50
3.34Ct White Topaz, Oval, Vvs
10 x 8 mm (calibrated)
$ 28.06
0.22Ct Black Diamond, Square, Opaque
2.9 x 2.8 mm
$ 132.00
0.69Ct Flamingo Pink Morganite, Pear Shape, Vvs-Vs
8 x 5 mm (calibrated)
$ 50.10
0.62Ct Pale Yellow Beryl, Pear Shape, Vs
7 x 5 mm (calibrated)
$ 16.37
0.61Ct Reddish Purple Spinel, Cushion, Vvs
5.4 x 4.8 mm
$ 61.00
6.02Ct Medium Pink Morganite, Oval, Transparent
13 x 11 mm (calibrated)
$ 72.24
1.22Ct Intense Pinkish Purple Sapphire, Cushion, Vs
6.7 x 5.3 mm
$ 775.14
0.98Ct Light Purple Spinel, Cushion, Vvs-Vs
6.3 x 4.9 mm
$ 64.68
0.23Ct Cognac Diamond, Round, Vvs-Vs
4 mm (calibrated)
$ 505.90
0.67Ct Reddish Pink Spinel, Cushion, Vs
5.4 x 4.4 mm
$ 56.28
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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 -> 10 
I loved it! Extensive inventory, great prices, I definitely will be buying from here again!
Overall Rating -> 10
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.
Overall Rating -> 10
The website was very easy to use.
Overall Rating -> 9 
Very easy to navigate with a great selection.
Overall Rating -> 10
I was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.
Overall Rating -> 10
I've purchased from here many times over the last decade+. I find the information easy to understand, helpful, and interesting. I have always been satisfied that I got exactly what I ordered. Pictures and descriptions are clear and unique to each stone.
