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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
Turquoise Natural Untreated Gemstones
Violet Natural Untreated Gemstones
White Natural Untreated Gemstones
Yellow Natural Untreated Gemstones
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0.89Ct Light Golden-Yellow Beryl, Oval, Vs

0.89Ct Light Golden-Yellow Beryl, Oval, Vs

8 x 6 mm (calibrated)

$ 20.47

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0.87Ct Light Yellow Chrysoberyl Cat's Eye, Oval, Translucent

0.87Ct Light Yellow Chrysoberyl Cat's Eye, Oval, Translucent

6 x 4 mm (calibrated)

$ 31.32

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0.58Ct Very Light Pinkish Purple Spinel, Round, Vs

0.58Ct Very Light Pinkish Purple Spinel, Round, Vs

5 mm (calibrated)

$ 30.04

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1.08Ct Pinkish Purple Sapphire, Cushion, Vs-Si
Sapphire Product Video (447873)

1.08Ct Pinkish Purple Sapphire, Cushion, Vs-Si

5.9 x 5.3 mm

$ 686.21

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1.18Ct Earthy Yellow Beryl, Trillion, Vvs

1.18Ct Earthy Yellow Beryl, Trillion, Vvs

8 x 8 mm (calibrated)

$ 28.32

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1.65Ct Very Light Dijon Yellow Beryl, Round, Vvs

1.65Ct Very Light Dijon Yellow Beryl, Round, Vvs

8 mm (calibrated)

$ 39.60

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1.17Ct Light Pink Morganite, Pear Shape, Vvs

1.17Ct Light Pink Morganite, Pear Shape, Vvs

9 x 7 mm (calibrated)

$ 61.78

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1.27Ct Grape Purple Tone Spinel, Cushion, Vs

1.27Ct Grape Purple Tone Spinel, Cushion, Vs

6.8 x 5.8 mm

$ 120.71

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12.77Ctw Black Spinel, Round, Opaque

12.77Ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 47.88

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13.84Ctw Black Spinel, Round, Opaque

13.84Ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 54.80

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3.22Ctw White Topaz, Cushion, Vvs-Vs

3.22Ctw White Topaz, Cushion, Vvs-Vs

4.6 x 4.6 mm

$ 21.25

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0.05Ct Black Diamond, Round, Opaque

0.05Ct Black Diamond, Round, Opaque

2.4 mm (calibrated)

$ 29.16

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1.38Ct Grayish Violet Spinel, Cushion, Vs

1.38Ct Grayish Violet Spinel, Cushion, Vs

6.3 x 6 mm

$ 98.62

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0.08Ct I Diamond, Round, Vs-Si
Diamond Product Video (723727)

0.08Ct I Diamond, Round, Vs-Si

2.6 mm (calibrated)

$ 175.12

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1.13Ct Medium Green Chrysoberyl, Pear Shape, Vvs-Vs

1.13Ct Medium Green Chrysoberyl, Pear Shape, Vvs-Vs

8 x 5.4 mm

$ 158.66

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1.21Ct Salmon Pink Morganite, Pear Shape, Vs

1.21Ct Salmon Pink Morganite, Pear Shape, Vs

10.6 x 6 mm

$ 111.80

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2.25Ct Light Yellow Beryl, Oval, Vs

2.25Ct Light Yellow Beryl, Oval, Vs

10 x 8 mm (calibrated)

$ 67.50

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3.13Ct Medium Light-Brown Rutile Topaz, Pear Shape, Transparent

3.13Ct Medium Light-Brown Rutile Topaz, Pear Shape, Transparent

12.1 x 7.5 mm

$ 78.25

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6.20Ct Medium Blue Aquamarine, Emerald Cut, Vs-Si
Aquamarine Product Video (730418)

6.20Ct Medium Blue Aquamarine, Emerald Cut, Vs-Si

14 x 10 mm (calibrated)

$ 595.20

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0.99Ct Pale Yellow Beryl, Oval, Vvs

0.99Ct Pale Yellow Beryl, Oval, Vvs

8 x 6 mm (calibrated)

$ 23.76

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0.59Ct Medium Pink Spinel, Cushion, Vvs-Vs

0.59Ct Medium Pink Spinel, Cushion, Vvs-Vs

4.7 x 4.3 mm

$ 49.56

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8.74Ct Bluish Green Aquamarine, Pear Shape, Vs-Si
Aquamarine Product Video (730266)

8.74Ct Bluish Green Aquamarine, Pear Shape, Vs-Si

19.3 x 13.3 mm

$ 839.04

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0.65Ct Pinkish Violet Purple Spinel, Cushion, Vs

0.65Ct Pinkish Violet Purple Spinel, Cushion, Vs

5.5 x 4.2 mm

$ 54.60

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1.01Ct Medium-Light Yellow Chrysoberyl, Oval, Vvs-Vs

1.01Ct Medium-Light Yellow Chrysoberyl, Oval, Vvs-Vs

7 x 5 mm (calibrated)

$ 141.89

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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 to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.

Posted By YE in October, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Very easy to navigate with a great selection.

Posted By Bar181 in August, 2025
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Overall Rating -> 10 star ratings

the selection is good as are the prices

Posted By Old man in August, 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

I purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.

Posted By MVK in July, 2025
Source: Bizrate
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