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 |
1.37Ct Deep Yellow Beryl, Oval, Vvs
9 x 7 mm (calibrated)
$ 41.10
0.41Ct Very Light Pink Morganite, Round, Vs
5 mm (calibrated)
$ 22.14
0.27Ct Black Diamond, Square, Opaque
3.2 x 3.1 mm
$ 162.00
7.57Ctw Black Spinel, Round, Opaque
9 mm (calibrated)
$ 34.98
1.46Ct Warm Yellow Beryl, Oval, Vvs-Vs
9 x 7 mm (calibrated)
$ 43.80
3.58Ct Rose Pink Morganite, Pear Shape, Transparent
13.9 x 8.1 mm
$ 47.26
6.01Ct Medium Orange Imperial Topaz, Pear Shape, Vvs
19.9 x 7.8 mm
$ 4,038.72
0.06Ctw D Diamond, Round, Vvs
2 mm (calibrated)
$ 165.00
2.30Ctw Light Yellow Beryl, Oval, Vvs-Vs
8 x 6 mm (calibrated)
$ 55.20
1.30Ct Light Yellow Beryl, Trillion, Vvs
8 x 8 mm (calibrated)
$ 31.20
1.19Ct Intense Pinkish Purple Sapphire, Cushion, Vs
6.4 x 5.6 mm
$ 757.13
7.26Ctw Black Spinel, Round, Opaque
9 mm (calibrated)
$ 28.75
6.80Ct Light Greenish Blue Aquamarine, Trillion, Vs-Si
12.8 x 12.2 mm
$ 652.80
0.63Ct Orange Red Spinel, Cushion, Vs
4.9 x 4.7 mm
$ 52.92
1.64Ct Light Yellow Beryl, Round, Vvs
8 mm (calibrated)
$ 39.36
0.68Ct Dark Purple Spinel, Pear Shape, Vs
6 x 5.5 mm
$ 41.17
0.87Ct Medium Purple Spinel, Cushion, Vs-Si
5.5 x 4.9 mm
$ 51.82
5.79Ctw White Topaz, Oval, Vvs-Vs
10 x 8 mm (calibrated)
$ 38.22
0.78Ct Dark Purple Spinel, Emerald Cut, Vs
5.7 x 4.1 mm
$ 33.60
0.52Ct Light Yellow Beryl, Oval, Vs
6.8 x 4.7 mm
$ 11.96
0.99Ct Light Golden-Yellow Beryl, Oval, Vvs-Vs
8 x 6 mm (calibrated)
$ 22.77
1.14Ct Light Gold Beryl, Oval, Vvs-Vs
8 x 6 mm (calibrated)
$ 27.36
0.25Ct Very Light Pink Morganite, Round, Vs-Si
4.5 mm (calibrated)
$ 12.50
4.68Ct Light Pink Morganite, Oval, Transparent
12 x 10 mm (calibrated)
$ 56.16
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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 
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.
Overall Rating -> 9 
Very good and simple exchange
Overall Rating -> 10
Filters need to be improved but rest of website is great
Overall Rating -> 9
Very easy to navigate with a great selection.
Overall Rating -> 10
went well
Overall Rating -> 10
All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.
