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Natural Untreated Gemstones

Discover genuine untreated gemstones selected for natural beauty, rarity, and authenticity.

Natural Untreated Gemstones Weight
Natural Untreated Gemstones Size
Natural Untreated Gemstones Clarity
Natural Untreated Gemstones Price
Natural Untreated Gemstones Treatment

Size Explained

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For Example: 6-7
For Example: 8-9
Bi-color Natural Untreated Gemstones
Black Natural Untreated Gemstones
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Golden Natural Untreated Gemstones
Gray Natural Untreated Gemstones
Green Natural Untreated Gemstones
Multicolor Natural Untreated Gemstones
Orange Natural Untreated Gemstones
Pink Natural Untreated Gemstones
Purple Natural Untreated Gemstones
Red Natural Untreated Gemstones
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Violet Natural Untreated Gemstones
White Natural Untreated Gemstones
Yellow Natural Untreated Gemstones
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0.43Ct Flamingo Pink Morganite, Oval, Vs

0.43Ct Flamingo Pink Morganite, Oval, Vs

5.9 x 4.5 mm

$ 23.22

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2.02Ctw Golden Beryl, Oval, Vvs

2.02Ctw Golden Beryl, Oval, Vvs

8 x 6 mm (calibrated)

$ 60.60

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1.45Ctw Multicolor Andalusite, Oval, Vs

1.45Ctw Multicolor Andalusite, Oval, Vs

5 x 3 mm (calibrated)

$ 93.32

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0.99Ct Light Pink Morganite, Pear Shape, Vvs-Vs

0.99Ct Light Pink Morganite, Pear Shape, Vvs-Vs

9 x 5.7 mm

$ 71.88

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0.62Ct Medium Yellow Beryl, Oval, Vvs

0.62Ct Medium Yellow Beryl, Oval, Vvs

6.5 x 4.8 mm

$ 14.88

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0.92Ct Light Pink Morganite, Pear Shape, Vvs

0.92Ct Light Pink Morganite, Pear Shape, Vvs

10.4 x 5.1 mm

$ 97.15

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0.03Ct E Diamond, Round, Vvs

0.03Ct E Diamond, Round, Vvs

2 mm (calibrated)

$ 82.50

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1.24Ct Medium Purple Spinel, Cushion, Vvs

1.24Ct Medium Purple Spinel, Cushion, Vvs

6.7 x 6 mm

$ 83.58

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9.64Ctw Black Spinel, Round, Opaque

9.64Ctw Black Spinel, Round, Opaque

10 mm (calibrated)

$ 44.53

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0.95Ct Royal Yellow Beryl, Oval, Vvs-Vs

0.95Ct Royal Yellow Beryl, Oval, Vvs-Vs

8 x 6 mm (calibrated)

$ 22.80

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7.70Ctw White Topaz, Square, Vvs-Vs

7.70Ctw White Topaz, Square, Vvs-Vs

5 x 5 mm (calibrated)

$ 73.82

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2.99Ctw Clear White Topaz, Cushion, Vvs-Vs

2.99Ctw Clear White Topaz, Cushion, Vvs-Vs

4.6 x 4.6 mm

$ 19.74

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0.61Ct Grey Purple Spinel, Oval, Vvs

0.61Ct Grey Purple Spinel, Oval, Vvs

5.7 x 4.9 mm

$ 51.24

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1.50Ct Medium Purple Spinel, Cushion, Vvs-Vs

1.50Ct Medium Purple Spinel, Cushion, Vvs-Vs

6.7 x 6 mm

$ 128.70

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14.51Ctw Black Spinel, Heart, Opaque

14.51Ctw Black Spinel, Heart, Opaque

12 x 12 mm (calibrated)

$ 87.06

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0.55Ct Medium Dark-Green Chrysoberyl Cat's Eye, Oval, Translucent

0.55Ct Medium Dark-Green Chrysoberyl Cat's Eye, Oval, Translucent

5.3 x 3.5 mm

$ 19.80

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0.98Ct Medium Purple Spinel, Cushion, Vs

0.98Ct Medium Purple Spinel, Cushion, Vs

5.8 x 4.9 mm

$ 83.21

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1.38Ct Warm Yellow Beryl, Trillion, Vvs

1.38Ct Warm Yellow Beryl, Trillion, Vvs

8 x 8 mm (calibrated)

$ 33.12

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0.75Ct Light Golden Morganite, Pear Shape, Vvs

0.75Ct Light Golden Morganite, Pear Shape, Vvs

8 x 6 mm (calibrated)

$ 39.60

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3.19Ctw Clear White Topaz, Cushion, Vvs-Vs

3.19Ctw Clear White Topaz, Cushion, Vvs-Vs

4.6 x 4.6 mm

$ 21.06

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2.57Ctw Multicolor Andalusite, Round, Vs
Andalusite Product Video (279593)

2.57Ctw Multicolor Andalusite, Round, Vs

4 mm (calibrated)

$ 152.66

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0.69Ct Very Light Bubblegum Pink Spinel, Round, Vvs-Vs

0.69Ct Very Light Bubblegum Pink Spinel, Round, Vvs-Vs

5 mm (calibrated)

$ 62.10

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5.27Ctw White Topaz, Cushion, Vvs-Vs

5.27Ctw White Topaz, Cushion, Vvs-Vs

4.7 x 4.6 mm

$ 34.79

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4.47Ct White Topaz, Round, Vvs-Vs
Topaz Product Video (557818)

4.47Ct White Topaz, Round, Vvs-Vs

10 mm (calibrated)

$ 47.38

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Why Buy Natural Untreated Gemstones from GemSelect?

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.

Natural Untreated Gemstones for Jewelry and Collecting

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 -> 8 star ratings

I've purchased things from GemSelect before. What you see is what you get, which is not always the case with gem sites online. You can find some good value with gem select, and I will buy from them again.

Posted By Meyeusername in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection. Maybe too great i kept adding and deleting stuff because i found better looking ones

Posted By Edsor works in October, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was great!

Posted By Annie in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

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.

Posted By Maggie in August, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Good prices

Posted By TRM in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good.

Posted By Tommy in December, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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