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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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0.71ct Pink Morganite, Pear Shape, VVS-VS

0.71ct Pink Morganite, Pear Shape, VVS-VS

7.9 x 4.6 mm

$ 42.79

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4.91ct Pink Morganite, Oval, Transparent

4.91ct Pink Morganite, Oval, Transparent

11.8 x 9 mm

$ 53.79

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1.56ct Yellow Beryl, Oval, VVS-VS

1.56ct Yellow Beryl, Oval, VVS-VS

9 x 7 mm (calibrated)

$ 38.84

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4.63ct Pink Morganite, Marquise, Translucent

4.63ct Pink Morganite, Marquise, Translucent

16.6 x 7 mm

$ 50.73

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0.49ct Pink Morganite, Pear Shape, VVS-VS

0.49ct Pink Morganite, Pear Shape, VVS-VS

7.4 x 4 mm

$ 29.53

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0.41ct Yellow Chrysoberyl Cat'S Eye, Oval, Translucent

0.41ct Yellow Chrysoberyl Cat'S Eye, Oval, Translucent

4.7 x 3.3 mm

$ 12.25

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1.45ct Yellow Beryl, Round, VVS

1.45ct Yellow Beryl, Round, VVS

8 mm (calibrated)

$ 28.88

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1.37ct Yellow Beryl, Trillion, VS

1.37ct Yellow Beryl, Trillion, VS

8 x 8 mm (calibrated)

$ 32.75

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1.22ct Yellow Beryl, Trillion, VVS-VS

1.22ct Yellow Beryl, Trillion, VVS-VS

8 x 8 mm (calibrated)

$ 24.30

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7.40ctw White Topaz, Square, VS

7.40ctw White Topaz, Square, VS

5 x 5 mm (calibrated)

$ 61.59

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4.44ctw White Topaz, Square, Transparent

4.44ctw White Topaz, Square, Transparent

7 x 7 mm (calibrated)

$ 24.32

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3.99ctw White Topaz, Square, VS

3.99ctw White Topaz, Square, VS

4 x 4 mm (calibrated)

$ 30.59

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3.04ctw White Topaz, Cushion, VVS-VS
Topaz Product Video (387432)

3.04ctw White Topaz, Cushion, VVS-VS

4.6 x 4.6 mm

$ 16.65

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5.60ct Blue Aquamarine, Oval, VS-SI

5.60ct Blue Aquamarine, Oval, VS-SI

16.4 x 10.1 mm

$ 116.20

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1.69ctw Multicolor Andalusite, Oval, VS

1.69ctw Multicolor Andalusite, Oval, VS

5 x 3 mm (calibrated)

$ 90.28

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0.60ct Pink Spinel, Cushion, VVS

0.60ct Pink Spinel, Cushion, VVS

5 x 5 mm (calibrated)

$ 29.88

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0.07ct Black Diamond, Round, Opaque

0.07ct Black Diamond, Round, Opaque

2.5 mm (calibrated)

$ 33.87

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6.12ctw White Topaz, Oval, VVS-VS

6.12ctw White Topaz, Oval, VVS-VS

10 x 8 mm (calibrated)

$ 46.93

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0.21ct Pink Morganite, Round, VVS-VS

0.21ct Pink Morganite, Round, VVS-VS

4 mm (calibrated)

$ 8.72

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0.79ct Yellow Beryl, Oval, VS

0.79ct Yellow Beryl, Oval, VS

7 x 5 mm (calibrated)

$ 19.67

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0.35ct Blue Aquamarine, Round, VVS-VS

0.35ct Blue Aquamarine, Round, VVS-VS

5 mm (calibrated)

$ 48.80

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0.85ct Black Diamond, Round, Opaque
Diamond Product Video (668702)

0.85ct Black Diamond, Round, Opaque

5.5 mm (calibrated)

$ 677.28

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2.67ctw Yellow Golden Beryl, Oval, VS

2.67ctw Yellow Golden Beryl, Oval, VS

9 x 7 mm (calibrated)

$ 58.51

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0.56ct Pink Spinel, Cushion, VS

0.56ct Pink Spinel, Cushion, VS

5.5 x 3.9 mm

$ 39.04

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 -> 10 star ratings

Great prices!!! High quality gemstones.

Posted By Ricky in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Had a great experience and the prices are great

Posted By BuBx99 in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

A pleasant experience and many choices to choose from

Posted By Krackenking in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.

Posted By Tommyp in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and functional

Posted By Dessa in March, 2026
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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