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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
Blue 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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1.03Ct Light Pink Morganite, Cushion, Vvs-Vs

1.03Ct Light Pink Morganite, Cushion, Vvs-Vs

8 x 5.3 mm

$ 54.38

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1.38Ct Deep Purple Red Spinel, Cushion, Vvs
Spinel Product Video (743031)

1.38Ct Deep Purple Red Spinel, Cushion, Vvs

6.4 x 5.6 mm

$ 165.60

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3.05Ctw White Topaz, Cushion, Vvs-Vs

3.05Ctw White Topaz, Cushion, Vvs-Vs

4.6 x 4.6 mm

$ 20.14

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4.05Ct Light Tawny Brown Rutile Topaz, Pear Shape, Transparent
Rutile Topaz Product Video (753604)

4.05Ct Light Tawny Brown Rutile Topaz, Pear Shape, Transparent

13.1 x 8.2 mm

$ 101.25

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0.88Ct Medium Purple Spinel, Cushion, Vs

0.88Ct Medium Purple Spinel, Cushion, Vs

5.4 x 5.3 mm

$ 37.91

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0.80Ct Medium Dark-Grey Spinel, Cushion, Vs

0.80Ct Medium Dark-Grey Spinel, Cushion, Vs

5.3 x 5.2 mm

$ 72.00

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0.28Ct Earthy Yellow Beryl, Oval, Vs

0.28Ct Earthy Yellow Beryl, Oval, Vs

5 x 4 mm (calibrated)

$ 6.44

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0.56Ct White Topaz, Oval, Vvs

0.56Ct White Topaz, Oval, Vvs

6 x 4.2 mm

$ 4.70

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4.26Ctw Medium Pink Morganite, Round, Translucent

4.26Ctw Medium Pink Morganite, Round, Translucent

8 mm (calibrated)

$ 56.23

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2.18Ctw Multicolor Andalusite, Round, Vs
Andalusite Product Video (279596)

2.18Ctw Multicolor Andalusite, Round, Vs

4 mm (calibrated)

$ 129.49

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1.00Ct Deep Violet Spinel, Oval, Vs

1.00Ct Deep Violet Spinel, Oval, Vs

6.6 x 5.6 mm

$ 123.68

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9.59Ctw Black Spinel, Round, Opaque

9.59Ctw Black Spinel, Round, Opaque

10 mm (calibrated)

$ 44.30

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1.74Ct Light Honey Yellow Beryl, Oval, Vvs

1.74Ct Light Honey Yellow Beryl, Oval, Vvs

9.4 x 7 mm

$ 52.20

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13.12Ctw Black Spinel, Heart, Opaque

13.12Ctw Black Spinel, Heart, Opaque

12 x 12 mm (calibrated)

$ 86.59

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1.33Ct Light Yellow Beryl, Oval, Vvs

1.33Ct Light Yellow Beryl, Oval, Vvs

8.9 x 6.7 mm

$ 31.92

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6.89Ctw Black Spinel, Round, Opaque

6.89Ctw Black Spinel, Round, Opaque

9 mm (calibrated)

$ 27.29

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1.84Ct Light Yellow Beryl, Oval, Vvs

1.84Ct Light Yellow Beryl, Oval, Vvs

9.6 x 7.7 mm

$ 44.16

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12.42Ctw Black Spinel, Oval, Opaque

12.42Ctw Black Spinel, Oval, Opaque

14 x 10 mm (calibrated)

$ 57.38

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0.20Ct Black Diamond, Round, Opaque

0.20Ct Black Diamond, Round, Opaque

3.5 mm (calibrated)

$ 114.64

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6.99Ct Medium Orange Imperial Topaz, Cushion, Vvs
Imperial Topaz Product Video (346571)

6.99Ct Medium Orange Imperial Topaz, Cushion, Vvs

15.2 x 8.5 mm

$ 4,697.28

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0.99Ct Light Gold Beryl, Oval, Vvs-Vs

0.99Ct Light Gold Beryl, Oval, Vvs-Vs

8 x 6 mm (calibrated)

$ 23.76

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0.82Ct Light Gold Beryl, Trillion, Vvs

0.82Ct Light Gold Beryl, Trillion, Vvs

7 x 7 mm (calibrated)

$ 19.68

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1.16Ct Dark Purple Mauve Spinel, Cushion, Vs

1.16Ct Dark Purple Mauve Spinel, Cushion, Vs

6.9 x 5.3 mm

$ 167.04

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1.19Ct Light Pink Morganite, Pear Shape, Vs-Si

1.19Ct Light Pink Morganite, Pear Shape, Vs-Si

8.8 x 6.6 mm

$ 62.83

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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

Very good.

Posted By Tommy in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection prices are reasonable!

Posted By ToRa62 in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I love the product and the details about each of them.

Posted By Love It! in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good. I ts very user friendly.

Posted By Shalini 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 -> 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
→ View All GemSelect Reviews on Bizrate
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