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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
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Orange Natural Untreated Gemstones
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Yellow Natural Untreated Gemstones
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1.24Ct Light Wine Purple Spinel, Cushion, Vs

1.24Ct Light Wine Purple Spinel, Cushion, Vs

6.6 x 6 mm

$ 89.28

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0.78Ct Light Coral Pink Morganite, Pear Shape, Vs

0.78Ct Light Coral Pink Morganite, Pear Shape, Vs

8 x 5.2 mm

$ 82.37

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0.94Ct Very Light Pink Morganite, Pear Shape, Vvs-Vs

0.94Ct Very Light Pink Morganite, Pear Shape, Vvs-Vs

9.7 x 5.7 mm

$ 86.86

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0.62Ct Golden Beryl, Oval, Vvs

0.62Ct Golden Beryl, Oval, Vvs

7 x 5 mm (calibrated)

$ 18.60

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6.61Ctw Clear White Topaz, Emerald Cut, Vvs

6.61Ctw Clear White Topaz, Emerald Cut, Vvs

10 x 8 mm (calibrated)

$ 36.36

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0.48Ct Medium Pink Spinel, Trillion, Vs-Si

0.48Ct Medium Pink Spinel, Trillion, Vs-Si

6.1 x 5.1 mm

$ 120.00

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2.39Ct Light Yellow Golden Beryl, Oval, Vs

2.39Ct Light Yellow Golden Beryl, Oval, Vs

10 x 8 mm (calibrated)

$ 71.70

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1.21Ct Light Golden-Yellow Beryl, Trillion, Vvs

1.21Ct Light Golden-Yellow Beryl, Trillion, Vvs

8 x 8 mm (calibrated)

$ 29.04

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11.54Ctw Black Spinel, Oval, Opaque

11.54Ctw Black Spinel, Oval, Opaque

14 x 10 mm (calibrated)

$ 53.32

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8.89Ctw Black Spinel, Round, Opaque

8.89Ctw Black Spinel, Round, Opaque

10 mm (calibrated)

$ 35.21

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1.73Ct Light Pink Morganite, Pear Shape, Vs

1.73Ct Light Pink Morganite, Pear Shape, Vs

10.2 x 6.7 mm

$ 159.85

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2.81Ctw Clear White Topaz, Cushion, Vvs-Vs

2.81Ctw Clear White Topaz, Cushion, Vvs-Vs

4.6 x 4.6 mm

$ 18.55

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1.12Ct Mustard Yellow Beryl, Oval, Vvs-Vs

1.12Ct Mustard Yellow Beryl, Oval, Vvs-Vs

8 x 6 mm (calibrated)

$ 29.57

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0.37Ct Flamingo Pink Morganite, Oval, Vs

0.37Ct Flamingo Pink Morganite, Oval, Vs

6 x 4.6 mm

$ 18.50

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0.36Ct Yellowish Green Chrysoberyl Cat's Eye, Oval, Translucent

0.36Ct Yellowish Green Chrysoberyl Cat's Eye, Oval, Translucent

4.4 x 3.3 mm

$ 12.96

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3.41Ctw Dijon Yellow Golden Beryl, Oval, Vvs-Vs

3.41Ctw Dijon Yellow Golden Beryl, Oval, Vvs-Vs

9 x 7 mm (calibrated)

$ 90.02

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2.96Ctw White Topaz, Cushion, Vvs-Vs

2.96Ctw White Topaz, Cushion, Vvs-Vs

4.6 x 4.6 mm

$ 19.54

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1.07Ct Medium-Dark Purple Sapphire, Pear Shape, Vs-Si
Sapphire Product Video (448507)

1.07Ct Medium-Dark Purple Sapphire, Pear Shape, Vs-Si

7.1 x 6 mm

$ 618.89

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0.56Ct Light Yellow Beryl, Oval, Vvs

0.56Ct Light Yellow Beryl, Oval, Vvs

7 x 5 mm (calibrated)

$ 12.88

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0.80Ct Light Gold Beryl, Oval, Vvs

0.80Ct Light Gold Beryl, Oval, Vvs

7.8 x 5.7 mm

$ 19.20

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1.46Ct Light Pink Morganite, Round, Vs-Si

1.46Ct Light Pink Morganite, Round, Vs-Si

7.5 mm (calibrated)

$ 96.36

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6.37Ctw White Topaz, Oval, Vvs-Vs

6.37Ctw White Topaz, Oval, Vvs-Vs

10 x 8 mm (calibrated)

$ 42.05

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0.83Ct Medium Pink Morganite, Pear Shape, Vvs

0.83Ct Medium Pink Morganite, Pear Shape, Vvs

8 x 6 mm (calibrated)

$ 41.50

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3.91Ct Light Coral Pink Morganite, Marquise, Translucent

3.91Ct Light Coral Pink Morganite, Marquise, Translucent

16.8 x 6.8 mm

$ 51.61

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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 -> 10 star ratings

Very good.

Posted By Tommy in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I can pick and choose from large selection and find just what I need for .y projects, currently my cane.

Posted By Darkstar731 in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

hassle free experience.

Posted By Jhidron in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.

Posted By Atsuhisa in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

The stones are very nice.

Posted By Mvk in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc

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