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 |
3.66ct White Topaz, Round, VVS-VS
9 mm (calibrated)
$ 24.06
0.48ct Pink Morganite, Pear Shape, VVS
7 x 4.2 mm
$ 28.93
1.86ct Pink Morganite, Oval, VS
9 x 7 mm (calibrated)
$ 142.64
2.82ctw White Topaz, Cushion, VVS-VS
4.6 x 4.6 mm
$ 15.45
0.94ct Pink Morganite, Pear Shape, VVS-VS
9.7 x 5.7 mm
$ 72.09
0.21ctw White Diamond, Round, VVS-VS
3 mm (calibrated)
$ 375.43
0.17ctw White Diamond, Round, VVS-VS
2.8 mm (calibrated)
$ 308.86
4.29ct Pink Morganite, Marquise, Translucent
17.1 x 7.2 mm
$ 47.00
2.30ctw Yellow Beryl, Oval, VVS-VS
8 x 6 mm (calibrated)
$ 45.82
1.04ct Black Diamond, Square, Opaque
4.7 x 4.6 mm
$ 592.46
3.06ctw White Topaz, Cushion, VVS-VS
4.6 x 4.5 mm
$ 16.77
1.15ct Brown Rutile Topaz, Pear Shape, Transparent
9.5 x 5.9 mm
$ 23.86
1.05ct Purple Spinel, Cushion, SI
6.5 x 5.5 mm
$ 125.50
0.40ct Pink Morganite, Round, VS-SI
5 mm (calibrated)
$ 16.60
4.58ct Pink Morganite, Round, Transparent
10 mm (calibrated)
$ 50.18
2.35ctw Yellow Golden Beryl, Oval, VS
8 x 6 mm (calibrated)
$ 64.37
1.23ct Pink Morganite, Oval, VS
8 x 6 mm (calibrated)
$ 107.81
3.19ct Yellow Rutile Topaz, Pear Shape, Transparent
11.7 x 8.6 mm
$ 66.19
1.09ct Purple Spinel, Oval, VVS-VS
6.9 x 5.8 mm
$ 89.57
12.80ct Blue Aquamarine, Oval, Translucent
18.9 x 14.6 mm
$ 265.60
1.40ct Pink Morganite, Round, VS-SI
7 mm (calibrated)
$ 76.69
0.70ct Yellow Beryl, Oval, VVS-VS
7 x 5 mm (calibrated)
$ 13.94
0.93ct Pink Morganite, Pear Shape, VVS
9.1 x 5.5 mm
$ 56.04
0.82ct Yellow Beryl, Trillion, VVS
7 x 7 mm (calibrated)
$ 16.33
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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 
Enjoy viewing the selections. Excellent product
Overall Rating -> 10
Filters need to be improved but rest of website is great
Overall Rating -> 10
The website has a good selection, the interface is very intuitive.
Overall Rating -> 10
I feel Gemselect is a trustworthy company to buy from
Overall Rating -> 10
It's mostly good, only some item's are easier to find through the search than the menu
Overall Rating -> 8 
First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.
