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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

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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2.19Ctw Light Yellow Beryl, Oval, Vvs-Vs

2.19Ctw Light Yellow Beryl, Oval, Vvs-Vs

8 x 6 mm (calibrated)

$ 52.56

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0.80Ct Very Light Pink Morganite, Pear Shape, Vvs-Vs

0.80Ct Very Light Pink Morganite, Pear Shape, Vvs-Vs

8 x 5 mm (calibrated)

$ 84.48

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1.78Ct Dijon Yellow Golden Beryl, Oval, Vvs-Vs

1.78Ct Dijon Yellow Golden Beryl, Oval, Vvs-Vs

9 x 7 mm (calibrated)

$ 51.70

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0.07Ctw Black Diamond, Round, Opaque

0.07Ctw Black Diamond, Round, Opaque

1.9 mm (calibrated)

$ 24.50

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0.02Ct Black Diamond, Round, Opaque

0.02Ct Black Diamond, Round, Opaque

1.9 mm (calibrated)

$ 19.20

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1.94Ct Medium Light-Yellow Beryl, Round, Vvs

1.94Ct Medium Light-Yellow Beryl, Round, Vvs

9 mm (calibrated)

$ 46.56

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0.87Ct Tuscany Yellow Beryl, Oval, Vvs-Vs

0.87Ct Tuscany Yellow Beryl, Oval, Vvs-Vs

8 x 5.7 mm

$ 26.10

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2.70Ct Medium Pink Morganite, Pear Shape, Transparent

2.70Ct Medium Pink Morganite, Pear Shape, Transparent

12 x 8 mm (calibrated)

$ 35.64

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0.21Ctw L Diamond, Round, Vvs-Vs
Diamond Product Video (567475)

0.21Ctw L Diamond, Round, Vvs-Vs

3 mm (calibrated)

$ 452.32

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2.04Ct Yellowish Gold Golden Beryl, Oval, Vs

2.04Ct Yellowish Gold Golden Beryl, Oval, Vs

10 x 8 mm (calibrated)

$ 67.32

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0.60Ct Light Purple Spinel, Round, Vs

0.60Ct Light Purple Spinel, Round, Vs

5 mm (calibrated)

$ 30.41

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2.19Ctw Multicolor Andalusite, Oval, Vs

2.19Ctw Multicolor Andalusite, Oval, Vs

6 x 4 mm (calibrated)

$ 120.45

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0.03Ct E Diamond, Round, Vvs

0.03Ct E Diamond, Round, Vvs

2 mm (calibrated)

$ 82.50

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0.05Ct Black Diamond, Round, Opaque

0.05Ct Black Diamond, Round, Opaque

2.2 mm (calibrated)

$ 19.62

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1.24Ct Light Golden Morganite, Oval, Vs

1.24Ct Light Golden Morganite, Oval, Vs

8 x 6 mm (calibrated)

$ 90.02

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0.09Ct Black Diamond, Round, Opaque

0.09Ct Black Diamond, Round, Opaque

2.8 mm (calibrated)

$ 37.12

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0.74Ct Very Light Pink Morganite, Cushion, Vs

0.74Ct Very Light Pink Morganite, Cushion, Vs

7.2 x 4.2 mm

$ 39.96

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1.72Ct Light Gold Beryl, Trillion, Vvs

1.72Ct Light Gold Beryl, Trillion, Vvs

9 x 9 mm (calibrated)

$ 45.41

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1.28Ct Deep Purple Spinel, Cushion, Vvs
Spinel Product Video (743037)

1.28Ct Deep Purple Spinel, Cushion, Vvs

6.9 x 6.1 mm

$ 256.00

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7.11Ctw Black Spinel, Round, Opaque

7.11Ctw Black Spinel, Round, Opaque

9 mm (calibrated)

$ 32.84

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2.26Ct Light Pink Morganite, Pear Shape, Transparent

2.26Ct Light Pink Morganite, Pear Shape, Transparent

12 x 8 mm (calibrated)

$ 29.83

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1.42Ct Pale Yellow Beryl, Round, Vs

1.42Ct Pale Yellow Beryl, Round, Vs

7 mm (calibrated)

$ 34.08

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4.63Ct Medium Pink Morganite, Marquise, Translucent

4.63Ct Medium Pink Morganite, Marquise, Translucent

16.6 x 7 mm

$ 61.12

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2.15Ctw Deep Yellow Beryl, Oval, Vvs-Vs

2.15Ctw Deep Yellow Beryl, Oval, Vvs-Vs

8 x 6 mm (calibrated)

$ 51.60

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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

Great! Affordable

Posted By Spinellope in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to use website

Posted By Mel in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I always purchase my stones from GemSelect, their products are high quality and customer service is always great. I also like the fact that I am able to purchase unique items

Posted By Desperaux in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc

Posted By Iamnotakrustykrab in December, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Will know more once order received

Posted By Jim in September, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

The website was easy to use and informative of the selection of stones it has. I quickly found the right stone for me.

Posted By Guero in March, 2026
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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