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 |
1.09Ct Light Gold Beryl, Oval, Vs
8 x 6 mm (calibrated)
$ 25.07
0.67Ct Grey Pinkish Purple Spinel, Round, Vvs-Vs
5 mm (calibrated)
$ 42.34
1.50Ct Light Pink Morganite, Pear Shape, Vvs-Vs
8.6 x 7.2 mm
$ 158.40
3.81Ct Clear White Topaz, Cushion, Vvs-Vs
10 x 8.6 mm
$ 32.00
1.40Ct Light Yellow Beryl, Oval, Vvs
9 x 7 mm (calibrated)
$ 33.60
1.31Ct Light Gold Beryl, Oval, Vs
9 x 7 mm (calibrated)
$ 31.44
1.04Ct Raspberry Red Tone Spinel, Cushion, Vvs-Vs
6.3 x 5.2 mm
$ 44.81
2.86Ctw Clear White Topaz, Cushion, Vvs-Vs
4.6 x 4.6 mm
$ 15.73
1.67Ctw Light Neutral Orange Morganite, Oval, Vs
7.9 x 5.7 mm
$ 121.25
1.21Ct Medium Purple Spinel, Cushion, Vs
6.5 x 6.1 mm
$ 145.20
0.74Ct Light Neutral Orange Morganite, Pear Shape, Vvs-Vs
7.7 x 5.8 mm
$ 39.07
1.60Ct Light Earthy Yellow Golden Beryl, Oval, Vvs
9 x 7 mm (calibrated)
$ 42.24
13.21Ctw Black Spinel, Round, Opaque
12 mm (calibrated)
$ 49.52
0.03Ct Black Diamond, Round, Opaque
2.1 mm (calibrated)
$ 12.37
1.60Ct Light Golden-Yellow Beryl, Cushion, Vvs
9 x 7 mm (calibrated)
$ 46.08
1.24Ct Dark Purple Spinel, Cushion, Vs
7.1 x 6.5 mm
$ 148.80
3.46Ctw Multicolor Andalusite, Round, Vs
3.7 mm
$ 183.10
0.93Ct Light Pink Morganite, Pear Shape, Vvs-Vs
8.7 x 5.2 mm
$ 98.21
1.94Ctw Multicolor Andalusite, Oval, Vs
5 x 3 mm (calibrated)
$ 124.86
0.99Ct Light Golden Morganite, Oval, Vs
8 x 6 mm (calibrated)
$ 52.27
1.02Ct Light Golden-Yellow Beryl, Oval, Vvs-Vs
8 x 6 mm (calibrated)
$ 24.48
4.75Ct White Topaz, Oval, Vvs
11.9 x 8.9 mm
$ 37.62
1.78Ct Dark Blue Spinel, Pear Shape, Vvs
8.4 x 6.7 mm
$ 2,670.00
3.40Ct Very Light Golden-Brown Rutile Topaz, Pear Shape, Transparent
12.4 x 7.5 mm
$ 85.00
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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 
Great for buying gemstones, came with authenticity certs. Will buy again someday!
Overall Rating -> 10
My whole experience is great.
Overall Rating -> 10
Great site for finding specific stones and sizes for individual pieces of jewelry
Overall Rating -> 10
Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.
Overall Rating -> 10
Over pretty well experience the your website no complaints about it very easy reliable service provided
Overall Rating -> 10
Was a good experience.
