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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
Black Natural Untreated Gemstones
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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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2.98Ct Medium Yellow Golden Beryl, Oval, Vvs

2.98Ct Medium Yellow Golden Beryl, Oval, Vvs

11 x 9 mm (calibrated)

$ 86.54

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4.78Ctw White Topaz, Cushion, Vvs-Vs

4.78Ctw White Topaz, Cushion, Vvs-Vs

4.6 x 4.6 mm

$ 31.55

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0.84Ct Medium Pink Morganite, Pear Shape, Vvs-Vs

0.84Ct Medium Pink Morganite, Pear Shape, Vvs-Vs

8.7 x 5.3 mm

$ 88.70

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4.16Ctw Clear White Topaz, Square, Vs

4.16Ctw Clear White Topaz, Square, Vs

4 x 4 mm (calibrated)

$ 38.44

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25.08Ctw Black Spinel, Oval, Opaque

25.08Ctw Black Spinel, Oval, Opaque

18 x 13 mm (calibrated)

$ 99.31

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0.95Ct Medium Purple Spinel, Cushion, Vs

0.95Ct Medium Purple Spinel, Cushion, Vs

6.1 x 5.3 mm

$ 80.65

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0.32Ct Very Light Pink Morganite, Round, Vs

0.32Ct Very Light Pink Morganite, Round, Vs

4.8 mm

$ 17.28

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1.04Ct Very Light Pink Morganite, Round, Vvs-Vs

1.04Ct Very Light Pink Morganite, Round, Vvs-Vs

7 mm (calibrated)

$ 48.67

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1.65Ct Light Pink Morganite, Round, Vs

1.65Ct Light Pink Morganite, Round, Vs

7.5 mm (calibrated)

$ 108.90

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12.10Ctw White Topaz, Cushion, Vvs-Vs
Topaz Product Video (752116)

12.10Ctw White Topaz, Cushion, Vvs-Vs

12 x 10 mm (calibrated)

$ 96.80

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1.04Ct Plum Purple Spinel, Cushion, Vs

1.04Ct Plum Purple Spinel, Cushion, Vs

6 x 5 mm

$ 124.80

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0.82Ct Very Light Pink Morganite, Pear Shape, Vs-Si

0.82Ct Very Light Pink Morganite, Pear Shape, Vs-Si

7.4 x 5.7 mm

$ 43.30

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0.68Ct Dark Pink Spinel, Cushion, Vvs

0.68Ct Dark Pink Spinel, Cushion, Vvs

5.6 x 4.3 mm

$ 68.00

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1.26Ct Medium Yellow Beryl, Round, Vvs

1.26Ct Medium Yellow Beryl, Round, Vvs

7 mm (calibrated)

$ 30.24

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0.14Ct Light Grey Chrysoberyl Cat's Eye, Oval, Opaque

0.14Ct Light Grey Chrysoberyl Cat's Eye, Oval, Opaque

3 x 3 mm (calibrated)

$ 5.34

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15.01Ctw Black Spinel, Oval, Opaque

15.01Ctw Black Spinel, Oval, Opaque

14 x 10 mm (calibrated)

$ 69.35

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4.62Ct Medium Golden Rutile Topaz, Trillion, Transparent

4.62Ct Medium Golden Rutile Topaz, Trillion, Transparent

10.9 x 10.4 mm

$ 115.50

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2.89Ctw Clear White Topaz, Cushion, Vvs-Vs

2.89Ctw Clear White Topaz, Cushion, Vvs-Vs

4.6 x 4.5 mm

$ 19.08

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14.00Ctw Black Spinel, Heart, Opaque

14.00Ctw Black Spinel, Heart, Opaque

12 x 12 mm (calibrated)

$ 92.40

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0.25Ct Black Diamond, Square, Opaque

0.25Ct Black Diamond, Square, Opaque

3 x 2.8 mm

$ 150.00

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1.18Ct Lemon Yellow Chrysoberyl, Pear Shape, Vs

1.18Ct Lemon Yellow Chrysoberyl, Pear Shape, Vs

7.7 x 5.6 mm

$ 165.68

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2.99Ctw Clear White Topaz, Cushion, Vvs-Vs

2.99Ctw Clear White Topaz, Cushion, Vvs-Vs

4.6 x 4.5 mm

$ 19.74

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0.68Ct Deep Purple Spinel, Oval, Vvs-Vs

0.68Ct Deep Purple Spinel, Oval, Vvs-Vs

5.7 x 4.5 mm

$ 68.00

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4.05Ct Light Pink Morganite, Pear Shape, Transparent

4.05Ct Light Pink Morganite, Pear Shape, Transparent

13 x 9 mm (calibrated)

$ 20.25

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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

Easy and good price

Posted By Bry_guy in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Excellent options

Posted By CJ in February, 2026
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 -> 8 star ratings

The website was easy to use and there were a lot of good options, I was satisfied.

Posted By Brielly in January, 2026
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 -> 10 star ratings

A pleasant experience and many choices to choose from

Posted By Krackenking in November, 2025
Source: Bizrate
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