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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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4.62Ct Warm White Topaz, Round, Vs

4.62Ct Warm White Topaz, Round, Vs

11 mm (calibrated)

$ 27.72

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0.14Ctw H Diamond, Marquise, Vvs
Diamond Product Video (740697)

0.14Ctw H Diamond, Marquise, Vvs

4 x 2 mm (calibrated)

$ 586.25

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0.56Ct Medium Green Cat's Eye Alexandrite, Oval, Opaque

0.56Ct Medium Green Cat's Eye Alexandrite, Oval, Opaque

5.4 x 3.9 mm

$ 140.00

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1.11Ct Pinkish Violet Purple Spinel, Cushion, Vvs-Vs

1.11Ct Pinkish Violet Purple Spinel, Cushion, Vvs-Vs

6.3 x 6.1 mm

$ 87.91

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0.64Ct Very Light Purple Spinel, Round, Vvs-Vs

0.64Ct Very Light Purple Spinel, Round, Vvs-Vs

5 mm (calibrated)

$ 32.45

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1.75Ct Light Gold Beryl, Oval, Vvs

1.75Ct Light Gold Beryl, Oval, Vvs

9 x 7 mm (calibrated)

$ 42.00

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2.05Ctw Light Yellow Beryl, Oval, Vvs-Vs

2.05Ctw Light Yellow Beryl, Oval, Vvs-Vs

8 x 6 mm (calibrated)

$ 49.20

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4.06Ct Clear White Topaz, Round, Vvs

4.06Ct Clear White Topaz, Round, Vvs

9.5 mm (calibrated)

$ 37.51

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1.20Ct Salmon Pink Morganite, Pear Shape, Vvs-Vs

1.20Ct Salmon Pink Morganite, Pear Shape, Vvs-Vs

9.8 x 6 mm

$ 110.88

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1.57Ct Light Purple Spinel, Cushion, Vvs-Vs
Spinel Product Video (577317)

1.57Ct Light Purple Spinel, Cushion, Vvs-Vs

7.4 x 6 mm

$ 314.00

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3.38Ctw Dijon Yellow Golden Beryl, Oval, Vs

3.38Ctw Dijon Yellow Golden Beryl, Oval, Vs

9 x 7 mm (calibrated)

$ 74.36

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4.17Ct Light Coral Pink Morganite, Trillion, Transparent

4.17Ct Light Coral Pink Morganite, Trillion, Transparent

11 x 11 mm (calibrated)

$ 55.04

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0.62Ct Very Light Grey Chrysoberyl Cat's Eye, Oval, Opaque

0.62Ct Very Light Grey Chrysoberyl Cat's Eye, Oval, Opaque

5.9 x 3.6 mm

$ 22.32

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3.04Ctw Medium Yellow Beryl, Oval, Vvs

3.04Ctw Medium Yellow Beryl, Oval, Vvs

9 x 7 mm (calibrated)

$ 87.55

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0.57Ct Medium Red Spinel, Oval, Vs

0.57Ct Medium Red Spinel, Oval, Vs

5.5 x 4.8 mm

$ 57.00

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2.32Ct Tuscany Yellow Golden Beryl, Oval, Vs

2.32Ct Tuscany Yellow Golden Beryl, Oval, Vs

10 x 8 mm (calibrated)

$ 76.56

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1.71Ct Medium Purple Spinel, Cushion, Vs

1.71Ct Medium Purple Spinel, Cushion, Vs

6.7 x 5.7 mm

$ 133.38

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3.46Ct Clear White Topaz, Oval, Transparent

3.46Ct Clear White Topaz, Oval, Transparent

10 x 8 mm (calibrated)

$ 22.84

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3.04Ctw Clear White Topaz, Cushion, Vvs-Vs
Topaz Product Video (387432)

3.04Ctw Clear White Topaz, Cushion, Vvs-Vs

4.6 x 4.6 mm

$ 20.06

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0.09Ctw Black Diamond, Round, Opaque

0.09Ctw Black Diamond, Round, Opaque

2 mm (calibrated)

$ 31.50

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0.34Ct Black Diamond, Square, Opaque

0.34Ct Black Diamond, Square, Opaque

3.3 x 3.2 mm

$ 170.00

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2.19Ctw Medium Pink Morganite, Oval, Vvs-Vs
Morganite Product Video (572307)

2.19Ctw Medium Pink Morganite, Oval, Vvs-Vs

8 x 6 mm (calibrated)

$ 173.45

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4.41Ctw White Topaz, Cushion, Vs

4.41Ctw White Topaz, Cushion, Vs

4.6 x 4.5 mm

$ 29.11

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0.46Ct Pale Cream Yellow Chrysoberyl Cat's Eye, Oval, Translucent

0.46Ct Pale Cream Yellow Chrysoberyl Cat's Eye, Oval, Translucent

4.4 x 4.2 mm

$ 16.56

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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 -> 9 star ratings

Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly

Posted By Ron T in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.

Posted By Bob D in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I feel Gemselect is a trustworthy company to buy from

Posted By Becky in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very neat and to the point

Posted By Botha in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great prices!!! High quality gemstones.

Posted By Ricky in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

love the site, the experience and the products.

Posted By Ckingpots in July, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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