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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
Turquoise Natural Untreated Gemstones
Violet Natural Untreated Gemstones
White Natural Untreated Gemstones
Yellow Natural Untreated Gemstones
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0.05Ct Black Diamond, Round, Opaque

0.05Ct Black Diamond, Round, Opaque

2.2 mm (calibrated)

$ 16.35

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8.24Ctw White Topaz, Square, Vs
Topaz Product Video (341423)

8.24Ctw White Topaz, Square, Vs

5 x 5 mm (calibrated)

$ 82.85

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0.35Ct Light Pink Morganite, Round, Vs

0.35Ct Light Pink Morganite, Round, Vs

5 mm (calibrated)

$ 17.50

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0.31Ct Baby Blue Aquamarine, Round, Vs-Si

0.31Ct Baby Blue Aquamarine, Round, Vs-Si

4.5 mm (calibrated)

$ 52.08

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0.49Ct Light Purple Spinel, Cushion, Vvs

0.49Ct Light Purple Spinel, Cushion, Vvs

4.7 x 4.4 mm

$ 41.16

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3.04Ctw Clear White Topaz, Cushion, Vvs-Vs

3.04Ctw Clear White Topaz, Cushion, Vvs-Vs

4.6 x 4.5 mm

$ 20.06

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8.20Ctw Black Spinel, Round, Opaque

8.20Ctw Black Spinel, Round, Opaque

10 mm (calibrated)

$ 37.88

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0.75Ct Light Neutral Orange Morganite, Pear Shape, Vvs-Vs

0.75Ct Light Neutral Orange Morganite, Pear Shape, Vvs-Vs

8 x 6 mm (calibrated)

$ 39.60

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0.14Ct Black Diamond, Round, Opaque
Diamond Product Video (683050)

0.14Ct Black Diamond, Round, Opaque

3 mm (calibrated)

$ 235.00

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0.34Ctw Black Diamond, Square, Opaque
Diamond Product Video (678049)

0.34Ctw Black Diamond, Square, Opaque

2.7 x 2.5 mm

$ 204.00

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1.21Ct Light Pink Morganite, Pear Shape, Vs

1.21Ct Light Pink Morganite, Pear Shape, Vs

9.9 x 5.5 mm

$ 111.80

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1.40Ct Light Pink Morganite, Round, Vs-Si

1.40Ct Light Pink Morganite, Round, Vs-Si

7 mm (calibrated)

$ 92.40

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2.97Ct Coral Pink Morganite, Marquise, Translucent

2.97Ct Coral Pink Morganite, Marquise, Translucent

14.5 x 6.9 mm

$ 39.20

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0.24Ct Light Pink Morganite, Round, Vs

0.24Ct Light Pink Morganite, Round, Vs

4.3 mm

$ 12.00

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3.66Ct Light Pink Morganite, Pear Shape, Transparent

3.66Ct Light Pink Morganite, Pear Shape, Transparent

14.1 x 8.1 mm

$ 48.31

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0.77Ct Hot Pink Spinel, Oval, Vs

0.77Ct Hot Pink Spinel, Oval, Vs

5.9 x 5.3 mm

$ 77.00

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1.27Ct Light Purple Spinel, Cushion, Vs

1.27Ct Light Purple Spinel, Cushion, Vs

6.9 x 5.9 mm

$ 107.82

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1.62Ct Pale Yellow Beryl, Cushion, Vvs-Vs

1.62Ct Pale Yellow Beryl, Cushion, Vvs-Vs

9 x 7 mm (calibrated)

$ 46.66

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3.11Ctw Clear White Topaz, Cushion, Vvs-Vs

3.11Ctw Clear White Topaz, Cushion, Vvs-Vs

4.6 x 4.6 mm

$ 20.53

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0.92Ct Tuscany Yellow Beryl, Trillion, Vvs

0.92Ct Tuscany Yellow Beryl, Trillion, Vvs

7 x 7 mm (calibrated)

$ 22.08

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0.62Ct Medium Pink Spinel, Cushion, Vvs-Vs

0.62Ct Medium Pink Spinel, Cushion, Vvs-Vs

5.4 x 4.7 mm

$ 52.08

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1.33Ct Light Golden-Yellow Beryl, Oval, Vs

1.33Ct Light Golden-Yellow Beryl, Oval, Vs

8.5 x 6.5 mm

$ 38.30

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4.51Ctw Clear White Topaz, Cushion, Vvs-Vs

4.51Ctw Clear White Topaz, Cushion, Vvs-Vs

4.6 x 4.6 mm

$ 29.77

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1.14Ct Medium Purple Spinel, Cushion, Vs

1.14Ct Medium Purple Spinel, Cushion, Vs

7 x 6 mm

$ 205.20

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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

It was easy and to the point

Posted By Victorius in May, 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 -> 10 star ratings

Absolutely love the website, selection and products. Can you guys add a gemstones with inclusions tab. I like those it'd be nice to have them all in one place but i do understand it would be alot of work to go through and categorize them. Thank you anyways

Posted By The homie edgar in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

hassle free experience.

Posted By Jhidron in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

My experience was done with ease

Posted By Barb in October, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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