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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
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Violet Natural Untreated Gemstones
White Natural Untreated Gemstones
Yellow Natural Untreated Gemstones
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3.86Ct Flamingo Pink Morganite, Oval, Transparent

3.86Ct Flamingo Pink Morganite, Oval, Transparent

12 x 9.1 mm

$ 50.95

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2.19Ctw Rose Pink Tone Morganite, Pear Shape, Vvs-Vs
Morganite Product Video (460763)

2.19Ctw Rose Pink Tone Morganite, Pear Shape, Vvs-Vs

7.8 x 4.1 mm

$ 231.26

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0.19Ctw I Diamond, Round, Vvs-Vs

0.19Ctw I Diamond, Round, Vvs-Vs

2.9 mm (calibrated)

$ 415.91

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6.41Ct Clear White Topaz, Cushion, Vs

6.41Ct Clear White Topaz, Cushion, Vs

12 x 10 mm (calibrated)

$ 51.28

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0.95Ct Light Golden Morganite, Cushion, Vs

0.95Ct Light Golden Morganite, Cushion, Vs

6 x 6 mm (calibrated)

$ 68.98

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5.42Ct Light Greenish Blue Aquamarine, Oval, Vs
Aquamarine Product Video (453033)

5.42Ct Light Greenish Blue Aquamarine, Oval, Vs

10.9 x 9.8 mm

$ 943.08

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0.45Ct Very Light Pink Morganite, Round, Vs

0.45Ct Very Light Pink Morganite, Round, Vs

5.5 mm (calibrated)

$ 22.50

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0.55Ct Yellowish Gold Beryl, Oval, Vvs

0.55Ct Yellowish Gold Beryl, Oval, Vvs

6.8 x 4.8 mm

$ 16.50

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2.49Ct Very Light Golden-Brown Rutile Topaz, Pear Shape, Transparent

2.49Ct Very Light Golden-Brown Rutile Topaz, Pear Shape, Transparent

8.7 x 8.2 mm

$ 62.25

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0.90Ct Medium Dark-Purple Spinel, Cushion, Vs

0.90Ct Medium Dark-Purple Spinel, Cushion, Vs

6.3 x 5.7 mm

$ 81.00

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0.18Ctw K Diamond, Round, Vvs-Vs

0.18Ctw K Diamond, Round, Vvs-Vs

2.8 mm (calibrated)

$ 387.70

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0.31Ct Yellowish Green Chrysoberyl Cat's Eye, Oval, Translucent

0.31Ct Yellowish Green Chrysoberyl Cat's Eye, Oval, Translucent

5.4 x 2.7 mm

$ 11.16

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2.36Ct Light Blue-Green Aquamarine, Pear Shape, Vs
Aquamarine Product Video (459219)

2.36Ct Light Blue-Green Aquamarine, Pear Shape, Vs

10 x 7 mm (calibrated)

$ 212.87

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0.60Ct Yellowish Green Chrysoberyl Cat's Eye, Oval, Translucent

0.60Ct Yellowish Green Chrysoberyl Cat's Eye, Oval, Translucent

5.1 x 4.4 mm

$ 21.60

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0.15Ctw Black Diamond, Square, Opaque

0.15Ctw Black Diamond, Square, Opaque

2 x 2 mm (calibrated)

$ 90.00

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0.16Ct Flamingo Pink Morganite, Round, Vvs-Vs

0.16Ct Flamingo Pink Morganite, Round, Vvs-Vs

3.8 mm

$ 8.00

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5.18Ct Medium Pink Morganite, Oval, Translucent

5.18Ct Medium Pink Morganite, Oval, Translucent

11.6 x 9.1 mm

$ 68.38

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4.93Ct Medium Golden Rutile Topaz, Pear Shape, Transparent

4.93Ct Medium Golden Rutile Topaz, Pear Shape, Transparent

13 x 9 mm (calibrated)

$ 123.25

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1.06Ct Pinkish Purple Spinel, Oval, Vs

1.06Ct Pinkish Purple Spinel, Oval, Vs

6.6 x 5.4 mm

$ 143.52

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11.72Ctw Clear White Topaz, Oval, Vs
Topaz Product Video (751903)

11.72Ctw Clear White Topaz, Oval, Vs

12 x 10 mm (calibrated)

$ 93.76

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0.32Ct Salmon Pink Morganite, Oval, Vs

0.32Ct Salmon Pink Morganite, Oval, Vs

5.3 x 3.9 mm

$ 17.28

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0.10Ct Light Pear Green Alexandrite, Oval, Vvs-Vs

0.10Ct Light Pear Green Alexandrite, Oval, Vvs-Vs

3.4 x 2.6 mm

$ 84.00

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10.40Ct Medium Blue Aquamarine, Emerald Cut, Vs-Si
Aquamarine Product Video (730038)

10.40Ct Medium Blue Aquamarine, Emerald Cut, Vs-Si

18 x 9.9 mm

$ 998.40

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2.60Ct Light Yellow Golden Beryl, Round, Vs

2.60Ct Light Yellow Golden Beryl, Round, Vs

10 mm (calibrated)

$ 68.64

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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

A pleasant experience and many choices to choose from

Posted By Krackenking in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The site provided lots of detail, factual data, and good photos. I also like the availability of searching by price range as well as by the type of stone.

Posted By SLIntuitive Donna in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.

Posted By DNaber in October, 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

Overall Rating -> 10 star ratings

I could see the actual gem I was buying

Posted By Bugs in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I can pick and choose from large selection and find just what I need for .y projects, currently my cane.

Posted By Darkstar731 in July, 2025
Source: Bizrate
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