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 |
0.19Ctw G Diamond, Round, Vvs-Vs
2.9 mm (calibrated)
$ 341.03
13.46Ct Medium Grey Star Sapphire, Oval, Opaque
14 x 12 mm (calibrated)
$ 621.85
0.12Ct Very Light Pink Morganite, Round, Vvs
3.4 mm
$ 6.00
0.61Ct Hot Pink Spinel, Cushion, Vs
5.3 x 5.1 mm
$ 51.24
0.71Ct Pinkish Purple Spinel, Cushion, Vs
5.2 x 4.6 mm
$ 59.64
0.96Ct Pinkish Purple Spinel, Cushion, Vs
6.2 x 5.1 mm
$ 172.80
0.57Ct Flamingo Pink Morganite, Pear Shape, Vvs
8.7 x 4.3 mm
$ 41.39
1.07Ct Medium Purple Spinel, Pear Shape, Vs
7.3 x 5.5 mm
$ 137.71
1.13Ct Light Purple Spinel, Cushion, Vs
6.6 x 5.4 mm
$ 95.94
4.48Ctw Clear White Topaz, Cushion, Vs
4.6 x 4.6 mm
$ 29.57
1.62Ct Very Light Pinkish Purple Spinel, Cushion, Vvs
6.8 x 6.7 mm
$ 118.28
0.71Ct Dark Grey Spinel, Cushion, Vvs-Vs
5.2 x 4.7 mm
$ 71.00
4.01Ct Coral Pink Morganite, Oval, Translucent
12.2 x 9.3 mm
$ 52.93
0.36Ct Very Light Pink Morganite, Round, Vs
4.7 mm
$ 18.00
2.93Ctw White Topaz, Cushion, Vvs-Vs
4.6 x 4.5 mm
$ 19.34
1.36Ct Light Bumblebee Yellow Beryl, Cushion, Vvs
7 x 7 mm (calibrated)
$ 39.17
1.90Ct Light Gold Beryl, Trillion, Vvs-Vs
9 x 9 mm (calibrated)
$ 50.16
0.41Ct Very Light Pink Morganite, Round, Vs
5.5 mm (calibrated)
$ 20.50
0.63Ct Medium Gold Beryl, Oval, Vs
7.2 x 5.2 mm
$ 18.90
0.04Ct Black Diamond, Round, Opaque
2.1 mm (calibrated)
$ 16.50
14.69Ctw Black Spinel, Round, Opaque
12 mm (calibrated)
$ 58.18
1.09Ct Light Golden-Yellow Beryl, Oval, Vvs-Vs
8.3 x 6.3 mm
$ 26.16
0.40Ct Light Pink Morganite, Round, Vs-Si
5 mm (calibrated)
$ 20.00
0.48Ct Medium Yellow Beryl, Pear Shape, Vs
6.8 x 4.7 mm
$ 13.82
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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 love the products. I've bought them as gifts and people love my gifts
Overall Rating -> 9 
I love the gems!
Overall Rating -> 9
They have literally everything on this website! The prices are also pretty good, I was able to find plenty of nice stones that I could afford!
Overall Rating -> 10
Great! Affordable
Overall Rating -> 10
I can pick and choose from large selection and find just what I need for .y projects, currently my cane.
Overall Rating -> 10
Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.
