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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
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Natural Untreated Gemstones Treatment

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For Example: 8-9
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Orange Natural Untreated Gemstones
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Yellow Natural Untreated Gemstones
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1.13Ct Very Light Pinkish Purple Spinel, Cushion, Vvs

1.13Ct Very Light Pinkish Purple Spinel, Cushion, Vvs

6.5 x 5.7 mm

$ 76.16

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4.60Ctw Clear White Topaz, Cushion, Vvs-Vs

4.60Ctw Clear White Topaz, Cushion, Vvs-Vs

4.6 x 4.6 mm

$ 30.36

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1.52Ct Medium Purple Spinel, Cushion, Vs

1.52Ct Medium Purple Spinel, Cushion, Vs

6.5 x 6.2 mm

$ 99.17

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1.32Ct Very Light Pink Morganite, Round, Vvs-Vs

1.32Ct Very Light Pink Morganite, Round, Vvs-Vs

7 mm (calibrated)

$ 61.78

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3.09Ct Intense Pink Spinel, Cushion, Vvs-Vs
Spinel Product Video (750133)

3.09Ct Intense Pink Spinel, Cushion, Vvs-Vs

9 x 7.3 mm

$ 8,961.00

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2.26Ctw Multicolor Andalusite, Round, Vs

2.26Ctw Multicolor Andalusite, Round, Vs

4 mm (calibrated)

$ 149.16

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1.21Ct Medium-Dark Purple Spinel, Cushion, Vvs-Vs

1.21Ct Medium-Dark Purple Spinel, Cushion, Vvs-Vs

7.3 x 5.5 mm

$ 95.83

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0.96Ct Cognac Diamond, Pear Shape, Si
Diamond Product Video (378647)

0.96Ct Cognac Diamond, Pear Shape, Si

8 x 5 mm (calibrated)

$ 3,294.72

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3.14Ctw Light Yellow Golden Beryl, Oval, Vs

3.14Ctw Light Yellow Golden Beryl, Oval, Vs

9 x 7 mm (calibrated)

$ 82.90

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1.11Ctw Coral Pink Tone Morganite, Pear Shape, Vvs-Vs

1.11Ctw Coral Pink Tone Morganite, Pear Shape, Vvs-Vs

8 x 3.4 mm

$ 146.52

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1.49Ct Raspberry Red Spinel, Cushion, Vs

1.49Ct Raspberry Red Spinel, Cushion, Vs

6.7 x 6.4 mm

$ 298.00

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0.68Ct Medium Dark-Purple Spinel, Cushion, Vs

0.68Ct Medium Dark-Purple Spinel, Cushion, Vs

5.7 x 4.9 mm

$ 57.12

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1.45Ct Light Grayish Violet Spinel, Cushion, Vs

1.45Ct Light Grayish Violet Spinel, Cushion, Vs

7.1 x 6 mm

$ 124.42

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1.20Ct Light Yellow Beryl, Trillion, Vvs-Vs

1.20Ct Light Yellow Beryl, Trillion, Vvs-Vs

8 x 8 mm (calibrated)

$ 34.56

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3.35Ct Salmon Pink Morganite, Pear Shape, Vvs-Vs

3.35Ct Salmon Pink Morganite, Pear Shape, Vvs-Vs

11.3 x 9.7 mm

$ 150.75

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0.60Ct Pale Purple Spinel, Cushion, Vs

0.60Ct Pale Purple Spinel, Cushion, Vs

4.7 x 4.6 mm

$ 60.00

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1.51Ct Salmon Pink Morganite, Pear Shape, Vs

1.51Ct Salmon Pink Morganite, Pear Shape, Vs

9.6 x 6.3 mm

$ 139.52

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3.00Ctw White Topaz, Cushion, Vvs-Vs

3.00Ctw White Topaz, Cushion, Vvs-Vs

4.6 x 4.5 mm

$ 19.80

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2.56Ct Medium Gold Rutile Topaz, Trillion, Transparent

2.56Ct Medium Gold Rutile Topaz, Trillion, Transparent

10 x 8.7 mm

$ 64.00

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4.59Ctw Warm White Topaz, Square, Vs

4.59Ctw Warm White Topaz, Square, Vs

4 x 4 mm (calibrated)

$ 42.41

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0.23Ctw J Diamond, Round, Vvs-Vs
Diamond Product Video (567452)

0.23Ctw J Diamond, Round, Vvs-Vs

3 mm (calibrated)

$ 450.36

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5.94Ct Clear White Topaz, Oval, Vs

5.94Ct Clear White Topaz, Oval, Vs

12 x 10 mm (calibrated)

$ 47.52

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1.17Ct Light Green Chrysoberyl, Oval, Vvs-Vs

1.17Ct Light Green Chrysoberyl, Oval, Vvs-Vs

7.5 x 5.4 mm

$ 164.36

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5.73Ct White Topaz, Oval, Vs

5.73Ct White Topaz, Oval, Vs

12 x 10 mm (calibrated)

$ 41.26

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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

hassle free experience.

Posted By Jhidron in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Had a great experience and the prices are great

Posted By BuBx99 in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.

Posted By Jen in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It's always a pleasure doing business with Gem Select. Outstanding products ant very reasonable prices. Thank You One and All.

Posted By G.W. or Bakyow in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Web site is very simple to navigate Selection is terrific

Posted By ToRa.62 in April, 2026
Source: Bizrate
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