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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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Multicolor Natural Untreated Gemstones
Orange Natural Untreated Gemstones
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White Natural Untreated Gemstones
Yellow Natural Untreated Gemstones
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1.72Ct Light Yellow Beryl, Oval, Vs

1.72Ct Light Yellow Beryl, Oval, Vs

9 x 7 mm (calibrated)

$ 41.28

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0.37Ct Lemon Yellow Chrysoberyl Cat's Eye, Oval, Translucent

0.37Ct Lemon Yellow Chrysoberyl Cat's Eye, Oval, Translucent

4.1 x 3.8 mm

$ 13.32

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1.32Ct Light Honey Yellow Beryl, Oval, Vvs

1.32Ct Light Honey Yellow Beryl, Oval, Vvs

8 x 6 mm (calibrated)

$ 39.60

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0.11Ctw Black Diamond, Round, Opaque

0.11Ctw Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 38.51

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0.11Ct Black Diamond, Round, Opaque
Diamond Product Video (702342)

0.11Ct Black Diamond, Round, Opaque

2.9 mm (calibrated)

$ 37.69

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4.02Ct Clear White Topaz, Round, Vs

4.02Ct Clear White Topaz, Round, Vs

9.5 mm (calibrated)

$ 31.84

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5.28Ct Baby Blue Aquamarine, Emerald Cut, Vs-Si

5.28Ct Baby Blue Aquamarine, Emerald Cut, Vs-Si

13 x 9 mm (calibrated)

$ 506.88

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0.16Ct Very Light Pink Morganite, Round, Vvs

0.16Ct Very Light Pink Morganite, Round, Vvs

4 mm (calibrated)

$ 8.00

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1.54Ct Light Gold Beryl, Oval, Vvs

1.54Ct Light Gold Beryl, Oval, Vvs

9 x 7 mm (calibrated)

$ 36.96

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3.09Ctw White Topaz, Cushion, Vvs-Vs

3.09Ctw White Topaz, Cushion, Vvs-Vs

4.6 x 4.6 mm

$ 20.40

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0.81Ct Medium Purple Spinel, Marquise, Vvs-Vs

0.81Ct Medium Purple Spinel, Marquise, Vvs-Vs

10.9 x 4.4 mm

$ 80.20

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10.63Ct Light Blue Aquamarine, Emerald Cut, Vvs
Aquamarine Product Video (467814)

10.63Ct Light Blue Aquamarine, Emerald Cut, Vvs

19.6 x 9.6 mm

$ 2,525.69

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1.17Ct Light Purple Spinel, Cushion, Vvs-Vs

1.17Ct Light Purple Spinel, Cushion, Vvs-Vs

6 x 6 mm (calibrated)

$ 99.19

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0.04Ct Black Diamond, Round, Opaque

0.04Ct Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 38.40

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1.46Ct Light Pink Morganite, Pear Shape, Vvs-Vs

1.46Ct Light Pink Morganite, Pear Shape, Vvs-Vs

9.3 x 7.4 mm

$ 77.09

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1.68Ct Salmon Pink Morganite, Pear Shape, Vvs-Vs

1.68Ct Salmon Pink Morganite, Pear Shape, Vvs-Vs

10.8 x 6.6 mm

$ 155.23

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1.16Ct Very Light Pink Morganite, Round, Vs

1.16Ct Very Light Pink Morganite, Round, Vs

7 mm (calibrated)

$ 54.29

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1.22Ct Medium Yellow Chrysoberyl, Oval, Vvs-Vs

1.22Ct Medium Yellow Chrysoberyl, Oval, Vvs-Vs

7.5 x 5.5 mm

$ 171.38

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30.03Ct Light Green Blue Cat's Eye Aquamarine, Oval, Translucent
Cat's Eye Aquamarine Product Video (333934)

30.03Ct Light Green Blue Cat's Eye Aquamarine, Oval, Translucent

21 x 16 mm

$ 713.51

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1.01Ct Medium Yellow Beryl, Oval, Vs

1.01Ct Medium Yellow Beryl, Oval, Vs

8 x 6 mm (calibrated)

$ 24.24

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1.46Ct Medium Light-Yellow Beryl, Round, Vs

1.46Ct Medium Light-Yellow Beryl, Round, Vs

7 mm (calibrated)

$ 35.04

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13.02Ctw Black Spinel, Heart, Opaque

13.02Ctw Black Spinel, Heart, Opaque

12 x 12 mm (calibrated)

$ 78.12

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1.60Ct Pale Yellow Beryl, Oval, Vs

1.60Ct Pale Yellow Beryl, Oval, Vs

9.1 x 6.6 mm

$ 38.40

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1.89Ctw Medium Yellow Beryl, Oval, Vvs-Vs

1.89Ctw Medium Yellow Beryl, Oval, Vvs-Vs

8 x 6 mm (calibrated)

$ 49.90

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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

the selection is good as are the prices

Posted By Old man in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All good

Posted By DouscheGift in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

My experience was done with ease

Posted By Barb in October, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.

Posted By Salvo in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love, and have always loved, your website.

Posted By Aberabic in July, 2025
Source: Bizrate
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