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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
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Golden Natural Untreated Gemstones
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Orange Natural Untreated Gemstones
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White Natural Untreated Gemstones
Yellow Natural Untreated Gemstones
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0.70Ct Medium Pink Morganite, Pear Shape, Vvs-Vs

0.70Ct Medium Pink Morganite, Pear Shape, Vvs-Vs

8 x 5 mm (calibrated)

$ 50.82

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7.24Ctw Black Spinel, Round, Opaque

7.24Ctw Black Spinel, Round, Opaque

9 mm (calibrated)

$ 33.44

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0.25Ct Champagne Diamond, Round, Vs
Diamond Product Video (564604)

0.25Ct Champagne Diamond, Round, Vs

4 mm (calibrated)

$ 549.89

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2.67Ctw Multicolor Andalusite, Oval, Vs

2.67Ctw Multicolor Andalusite, Oval, Vs

6.2 x 4.2 mm

$ 172.49

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1.38Ct Medium-Dark Purple Sapphire, Cushion, Vs
Sapphire Product Video (448535)

1.38Ct Medium-Dark Purple Sapphire, Cushion, Vs

7.1 x 5.3 mm

$ 878.02

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4.18Ct Light Coral Pink Morganite, Trillion, Transparent

4.18Ct Light Coral Pink Morganite, Trillion, Transparent

11 x 11 mm (calibrated)

$ 55.18

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0.83Ct Honey Yellow Beryl, Oval, Vvs

0.83Ct Honey Yellow Beryl, Oval, Vvs

7 x 5 mm (calibrated)

$ 19.92

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3.52Ct Golden-Yellow Rutile Topaz, Pear Shape, Transparent

3.52Ct Golden-Yellow Rutile Topaz, Pear Shape, Transparent

14.4 x 7 mm

$ 88.00

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0.11Ctw Black Diamond, Round, Opaque

0.11Ctw Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 38.51

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2.04Ct Brownish Yellow Beryl, Oval, Vvs

2.04Ct Brownish Yellow Beryl, Oval, Vvs

10 x 8 mm (calibrated)

$ 58.75

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1.26Ct Light Yellow Beryl, Trillion, Vvs-Vs

1.26Ct Light Yellow Beryl, Trillion, Vvs-Vs

8 x 7.5 mm

$ 30.24

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0.41Ct Light Pink Spinel, Cushion, Vvs-Vs

0.41Ct Light Pink Spinel, Cushion, Vvs-Vs

4.7 x 3.7 mm

$ 34.44

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1.20Ct Deep Red Spinel, Cushion, Vs

1.20Ct Deep Red Spinel, Cushion, Vs

6.2 x 5.7 mm

$ 156.00

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1.42Ct Light Purple Spinel, Cushion, Vs

1.42Ct Light Purple Spinel, Cushion, Vs

6.7 x 6.3 mm

$ 116.96

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11.96Ctw Clear White Topaz, Cushion, Vvs-Vs
Topaz Product Video (752119)

11.96Ctw Clear White Topaz, Cushion, Vvs-Vs

12 x 10 mm (calibrated)

$ 95.68

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0.71Ct Light Yellow Morganite, Pear Shape, Vvs-Vs

0.71Ct Light Yellow Morganite, Pear Shape, Vvs-Vs

8 x 6 mm (calibrated)

$ 37.49

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0.72Ct Light Yellow Morganite, Cushion, Vs

0.72Ct Light Yellow Morganite, Cushion, Vs

6 x 6 mm (calibrated)

$ 52.27

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2.04Ct Light Golden-Yellow Golden Beryl, Oval, Vvs-Vs

2.04Ct Light Golden-Yellow Golden Beryl, Oval, Vvs-Vs

10 x 8 mm (calibrated)

$ 61.20

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1.95Ct Light Pink Morganite, Oval, Vs

1.95Ct Light Pink Morganite, Oval, Vs

9.4 x 7 mm

$ 180.18

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1.35Ct Boysenberry Spinel, Oval, Vs

1.35Ct Boysenberry Spinel, Oval, Vs

8.5 x 5.4 mm

$ 271.00

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0.62Ct Light Pink Spinel, Cushion, Vvs-Vs

0.62Ct Light Pink Spinel, Cushion, Vvs-Vs

4.7 x 4.5 mm

$ 52.08

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2.49Ct Cognac Diamond, Pear Shape, Si
Diamond Product Video (382045)

2.49Ct Cognac Diamond, Pear Shape, Si

7.9 x 7.6 mm

$ 5,605.73

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4.56Ct Coral Pink Morganite, Oval, Transparent

4.56Ct Coral Pink Morganite, Oval, Transparent

13 x 9 mm (calibrated)

$ 60.19

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2.79Ctw Light Gold Golden Beryl, Oval, Vvs-Vs

2.79Ctw Light Gold Golden Beryl, Oval, Vvs-Vs

9 x 7 mm (calibrated)

$ 81.02

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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 -> 9 star ratings

I think therea's no problem

Posted By Napoleon in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I love the gems!

Posted By MM in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very food

Posted By Keeto in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have been very happy with my prior purchases and enjoy the website experience.

Posted By Trouble in November, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Everything was good, the purchase was what I expected and what they show is what you get.

Posted By Mr. in March, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.

Posted By Jewelry Quality Stones in July, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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