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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
Blue Natural Untreated Gemstones
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
Turquoise Natural Untreated Gemstones
Violet Natural Untreated Gemstones
White Natural Untreated Gemstones
Yellow Natural Untreated Gemstones
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4.13ctw White Topaz, Square, VS

4.13ctw White Topaz, Square, VS

4 x 4 mm (calibrated)

$ 31.67

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1.59ct Yellow Beryl, Oval, VS

1.59ct Yellow Beryl, Oval, VS

9 x 7 mm (calibrated)

$ 31.67

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0.03ct Black Diamond, Round, Opaque

0.03ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 23.90

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0.19ct Pink Morganite, Round, VS

0.19ct Pink Morganite, Round, VS

4 mm (calibrated)

$ 7.89

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1.16ct Pink Morganite, Round, VVS

1.16ct Pink Morganite, Round, VVS

7.5 mm (calibrated)

$ 88.96

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1.10ct Purple Spinel, Cushion, VS

1.10ct Purple Spinel, Cushion, VS

6.6 x 5.2 mm

$ 78.34

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0.03ct Black Diamond, Round, Opaque

0.03ct Black Diamond, Round, Opaque

1.9 mm (calibrated)

$ 10.27

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11.87ctw White Topaz, Oval, VVS-VS

11.87ctw White Topaz, Oval, VVS-VS

12 x 10 mm (calibrated)

$ 78.82

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8.26ct Pink Morganite, Pear Shape, Translucent

8.26ct Pink Morganite, Pear Shape, Translucent

16 x 12 mm (calibrated)

$ 90.49

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3.52ct White Topaz, Round, VVS-VS

3.52ct White Topaz, Round, VVS-VS

9.5 mm (calibrated)

$ 30.98

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2.92ctw White Topaz, Cushion, VVS-VS

2.92ctw White Topaz, Cushion, VVS-VS

4.6 x 4.5 mm

$ 15.99

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1.68ct Pink Morganite, Round, VS

1.68ct Pink Morganite, Round, VS

7.5 mm (calibrated)

$ 92.03

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0.64ct Purple Spinel, Round, VVS-VS

0.64ct Purple Spinel, Round, VVS-VS

5 mm (calibrated)

$ 26.93

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1.17ct Purple Spinel, Cushion, VVS
Spinel Product Video (483671)

1.17ct Purple Spinel, Cushion, VVS

6.5 x 5.4 mm

$ 83.32

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0.85ct Yellow Beryl, Oval, VVS-VS

0.85ct Yellow Beryl, Oval, VVS-VS

8 x 6 mm (calibrated)

$ 16.23

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2.98ctw Yellow Golden Beryl, Oval, VVS-VS

2.98ctw Yellow Golden Beryl, Oval, VVS-VS

9 x 7 mm (calibrated)

$ 65.30

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1.96ct Yellow Beryl, Oval, VVS

1.96ct Yellow Beryl, Oval, VVS

10 x 8 mm (calibrated)

$ 39.04

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3.81ct Orange Imperial Topaz, Pear Shape, VVS
Imperial Topaz Product Video (346641)

3.81ct Orange Imperial Topaz, Pear Shape, VVS

15.7 x 7.2 mm

$ 2,337.57

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8.96ctw Black Spinel, Trillion, Opaque

8.96ctw Black Spinel, Trillion, Opaque

10 x 10 mm (calibrated)

$ 49.09

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0.93ct Purple Spinel, Cushion, VS

0.93ct Purple Spinel, Cushion, VS

5.7 x 5.1 mm

$ 46.75

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1.02ct Pink Morganite, Pear Shape, VS

1.02ct Pink Morganite, Pear Shape, VS

9.3 x 5.5 mm

$ 111.75

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2.43ct Pink Morganite, Pear Shape, Translucent

2.43ct Pink Morganite, Pear Shape, Translucent

10.9 x 7 mm

$ 26.63

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0.51ct Pink Morganite, Pear Shape, VS

0.51ct Pink Morganite, Pear Shape, VS

7 x 5 mm (calibrated)

$ 22.86

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3.21ctw Yellow Golden Beryl, Oval, VVS-VS

3.21ctw Yellow Golden Beryl, Oval, VVS-VS

9 x 7 mm (calibrated)

$ 70.33

View Gem
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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

Very easy to navigate with a great selection.

Posted By Bar181 in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

They have literally everything on this website! The prices are also pretty good, I was able to find plenty of nice stones that I could afford!

Posted By JC in March, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Ita's a pretty good and simple way to find gems that youa're looking for amazing selection

Posted By Amman in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Very neat and to the point

Posted By Botha in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Very large selection from affordable to high end I will be coming back to shop again!

Posted By GreenGator in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to navigate

Posted By GemGod in July, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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