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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

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color Natural Untreated Gemstones
Black Natural Untreated Gemstones
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Brown Natural Untreated Gemstones
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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White Natural Untreated Gemstones
Yellow Natural Untreated Gemstones
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1.40Ct Light Pink Morganite, Round, Vs

1.40Ct Light Pink Morganite, Round, Vs

7.5 mm (calibrated)

$ 129.36

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1.33Ct Very Light Dijon Yellow Beryl, Oval, Vs

1.33Ct Very Light Dijon Yellow Beryl, Oval, Vs

9 x 7 mm (calibrated)

$ 31.92

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1.03Ct Grey Purple Spinel, Cushion, Vs

1.03Ct Grey Purple Spinel, Cushion, Vs

6.6 x 5.6 mm

$ 87.32

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1.50Ct Warm Yellow Beryl, Cushion, Vs

1.50Ct Warm Yellow Beryl, Cushion, Vs

9 x 7 mm (calibrated)

$ 43.20

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2.31Ctw Multicolor Andalusite, Round, Vs-Si

2.31Ctw Multicolor Andalusite, Round, Vs-Si

4 mm (calibrated)

$ 137.22

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3.09Ct Flamingo Pink Morganite, Round, Transparent

3.09Ct Flamingo Pink Morganite, Round, Transparent

10 mm (calibrated)

$ 40.79

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0.03Ct Black Diamond, Round, Opaque

0.03Ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 28.80

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0.83Ct Medium Light-Pink Morganite, Pear Shape, Vvs

0.83Ct Medium Light-Pink Morganite, Pear Shape, Vvs

8 x 6 mm (calibrated)

$ 41.50

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1.58Ct Medium Yellow Beryl, Oval, Vvs

1.58Ct Medium Yellow Beryl, Oval, Vvs

9 x 6.6 mm

$ 45.50

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2.90Ct Light Yellow Golden Beryl, Oval, Vvs-Vs

2.90Ct Light Yellow Golden Beryl, Oval, Vvs-Vs

11 x 9 mm (calibrated)

$ 87.43

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0.02Ct Black Diamond, Round, Opaque

0.02Ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 16.00

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1.10Ct Light Gold Beryl, Oval, Vs

1.10Ct Light Gold Beryl, Oval, Vs

8 x 6 mm (calibrated)

$ 26.40

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0.95Ct Tuscany Yellow Beryl, Oval, Vs

0.95Ct Tuscany Yellow Beryl, Oval, Vs

8 x 6 mm (calibrated)

$ 22.80

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4.67Ctw Clear White Topaz, Square, Vs

4.67Ctw Clear White Topaz, Square, Vs

4 x 4 mm (calibrated)

$ 43.15

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1.09Ct Grape Purple Spinel, Cushion, Vvs-Vs

1.09Ct Grape Purple Spinel, Cushion, Vvs-Vs

6.4 x 5.3 mm

$ 88.15

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3.99Ctw Multicolor Andalusite, Round, Vs
Andalusite Product Video (381952)

3.99Ctw Multicolor Andalusite, Round, Vs

4 mm (calibrated)

$ 175.96

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3.06Ctw Clear White Topaz, Cushion, Vvs-Vs

3.06Ctw Clear White Topaz, Cushion, Vvs-Vs

4.6 x 4.5 mm

$ 20.20

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15.34Ctw Black Spinel, Round, Opaque

15.34Ctw Black Spinel, Round, Opaque

10 mm (calibrated)

$ 60.74

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2.15Ctw Medium Pink Morganite, Oval, Vs

2.15Ctw Medium Pink Morganite, Oval, Vs

8 x 6 mm (calibrated)

$ 141.90

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2.38Ctw Dijon Yellow Beryl, Oval, Vs

2.38Ctw Dijon Yellow Beryl, Oval, Vs

8 x 6 mm (calibrated)

$ 62.83

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4.93Ctw White Topaz, Cushion, Vvs-Vs

4.93Ctw White Topaz, Cushion, Vvs-Vs

4.6 x 4.6 mm

$ 32.54

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8.96Ctw Black Spinel, Round, Opaque

8.96Ctw Black Spinel, Round, Opaque

10 mm (calibrated)

$ 41.40

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3.52Ctw Multicolor Andalusite, Round, Vs

3.52Ctw Multicolor Andalusite, Round, Vs

3.5 mm (calibrated)

$ 186.47

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0.54Ct Medium Pink Morganite, Pear Shape, Vvs

0.54Ct Medium Pink Morganite, Pear Shape, Vvs

7.7 x 4.4 mm

$ 32.67

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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

I have a beautiful emerald I purchased from a company names gemselect and they are awesome! You should try them out?

Posted By Lynn in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

This is the first time I have used this site. I was dissatisfied with the quality of gems and supplies elsewhere and decided to try GemSelect. They are awesome! I was thrilled to see the variety and the great web performance. There was the ability to search for information as well as gems. Things like the clarity rating system and caret weight of the gems. I have always loved making things and I have just started to make jewelry as a business. However I have never made a ring before and have always wanted to. On GemSelect I was able to find good quality gems to use in my creations. I am so glad the website is so easy to use. Thank you GemSelect.

Posted By PickyShopper in April, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

hassle free experience.

Posted By Jhidron in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to use website

Posted By Mel in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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