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Home › Gemstones › Natural Untreated Gemstones

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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2.43ct Pink Morganite, Oval, VS
Morganite Product Video (505650)

2.43ct Pink Morganite, Oval, VS

10 x 8 mm (calibrated)

$ 133.12

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4.52ctw White Topaz, Cushion, VVS-VS

4.52ctw White Topaz, Cushion, VVS-VS

4.6 x 4.6 mm

$ 24.76

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1.63ct Pink Morganite, Pear Shape, VS

1.63ct Pink Morganite, Pear Shape, VS

10.2 x 8.4 mm

$ 71.43

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3.19ct White Topaz, Oval, VVS-VS

3.19ct White Topaz, Oval, VVS-VS

10 x 8 mm (calibrated)

$ 17.48

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3.04ct Pink Spinel, Oval, VS-SI
Spinel Product Video (752651)

3.04ct Pink Spinel, Oval, VS-SI

9 x 7 mm (calibrated)

$ 5,046.40

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1.05ct Green Chrysoberyl, Pear Shape, VVS
Chrysoberyl Product Video (366574)

1.05ct Green Chrysoberyl, Pear Shape, VVS

7.7 x 5.5 mm

$ 122.37

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9.93ct Pink Morganite, Oval, Translucent

9.93ct Pink Morganite, Oval, Translucent

14.8 x 11 mm

$ 98.90

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1.25ct Purple Sapphire, Cushion, VVS-VS
Sapphire Product Video (670121)

1.25ct Purple Sapphire, Cushion, VVS-VS

7 x 5.3 mm

$ 600.09

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1.33ct Yellow Beryl, Oval, VVS

1.33ct Yellow Beryl, Oval, VVS

8.9 x 6.7 mm

$ 26.49

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1.90ct Pink Morganite, Round, Transparent

1.90ct Pink Morganite, Round, Transparent

8 mm (calibrated)

$ 20.61

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0.71ct Pink Morganite, Pear Shape, VS

0.71ct Pink Morganite, Pear Shape, VS

8.9 x 4.3 mm

$ 62.23

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1.26ct Yellow Beryl, Trillion, VVS-VS

1.26ct Yellow Beryl, Trillion, VVS-VS

8 x 7.5 mm

$ 25.10

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15.39ctw Black Spinel, Round, Opaque

15.39ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 50.59

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0.63ct Yellow Beryl, Oval, VS

0.63ct Yellow Beryl, Oval, VS

7.2 x 5.2 mm

$ 15.69

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0.23ct Black Diamond, Square, Opaque

0.23ct Black Diamond, Square, Opaque

3 x 3 mm (calibrated)

$ 114.54

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0.79ct Yellow Beryl, Trillion, VVS

0.79ct Yellow Beryl, Trillion, VVS

7 x 7 mm (calibrated)

$ 15.74

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2.60ctw White Topaz, Oval, Transparent

2.60ctw White Topaz, Oval, Transparent

10.2 x 4.2 mm

$ 14.24

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0.07ct Black Diamond, Round, Opaque

0.07ct Black Diamond, Round, Opaque

2.6 mm (calibrated)

$ 28.23

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0.09ctw Black Diamond, Round, Opaque

0.09ctw Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 71.71

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5.49ct White Topaz, Cushion, VS

5.49ct White Topaz, Cushion, VS

12 x 10 mm (calibrated)

$ 36.45

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7.68ct Pink Morganite, Oval, Transparent

7.68ct Pink Morganite, Oval, Transparent

14.9 x 10.8 mm

$ 76.49

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3.55ct Pink Morganite, Oval, Transparent

3.55ct Pink Morganite, Oval, Transparent

10.9 x 8.1 mm

$ 14.73

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0.75ct Pink Spinel, Round, VS-SI

0.75ct Pink Spinel, Round, VS-SI

5 mm (calibrated)

$ 34.51

View Gem
0.27ct Pink Morganite, Round, VS-SI

0.27ct Pink Morganite, Round, VS-SI

4.5 mm (calibrated)

$ 11.21

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

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

Posted By Trouble in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good. I ts very user friendly.

Posted By Shalini in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

selection was broad and the check out was quick. Great site

Posted By JC Karl in September, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

It was fine

Posted By Na in April, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly

Posted By Ron T in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

overall great

Posted By SR in April, 2026
Source: Bizrate
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