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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
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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4.24Ctw White Topaz, Cushion, Vvs-Vs

4.24Ctw White Topaz, Cushion, Vvs-Vs

4.6 x 4.5 mm

$ 27.98

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1.30Ct Tuscany Yellow Beryl, Trillion, Vvs-Vs

1.30Ct Tuscany Yellow Beryl, Trillion, Vvs-Vs

8 x 8 mm (calibrated)

$ 31.20

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0.80Ct Light Pink Morganite, Oval, Vs

0.80Ct Light Pink Morganite, Oval, Vs

7.3 x 5.4 mm

$ 42.24

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0.16Ct Medium Green Alexandrite, Marquise, Vvs-Vs
Alexandrite Product Video (735037)

0.16Ct Medium Green Alexandrite, Marquise, Vvs-Vs

5.1 x 2.4 mm

$ 134.40

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3.36Ct White Topaz, Oval, Transparent

3.36Ct White Topaz, Oval, Transparent

10 x 8 mm (calibrated)

$ 22.18

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0.36Ct Pale Yellow Chrysoberyl Cat's Eye, Oval, Translucent

0.36Ct Pale Yellow Chrysoberyl Cat's Eye, Oval, Translucent

4.4 x 4.4 mm

$ 12.96

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0.56Ct Light Purple Spinel, Cushion, Vvs

0.56Ct Light Purple Spinel, Cushion, Vvs

4.9 x 4.7 mm

$ 47.04

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0.74Ct Coral Pink Tone Morganite, Pear Shape, Vvs-Vs

0.74Ct Coral Pink Tone Morganite, Pear Shape, Vvs-Vs

8.7 x 4.4 mm

$ 53.72

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6.64Ctw White Topaz, Oval, Vvs-Vs

6.64Ctw White Topaz, Oval, Vvs-Vs

10 x 8 mm (calibrated)

$ 43.82

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8.64Ctw Black Spinel, Round, Opaque

8.64Ctw Black Spinel, Round, Opaque

10 mm (calibrated)

$ 39.91

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0.71Ct Medium Pink Morganite, Pear Shape, Vvs

0.71Ct Medium Pink Morganite, Pear Shape, Vvs

9 x 4.2 mm

$ 74.98

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1.24Ct Light Pink Morganite, Round, Vs

1.24Ct Light Pink Morganite, Round, Vs

7.5 mm (calibrated)

$ 114.58

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1.12Ct Light Yellow Chrysoberyl, Oval, Vvs-Vs
Chrysoberyl Product Video (366306)

1.12Ct Light Yellow Chrysoberyl, Oval, Vvs-Vs

6.8 x 5.6 mm

$ 157.34

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0.98Ct Medium Purple Spinel, Cushion, Vs

0.98Ct Medium Purple Spinel, Cushion, Vs

5.5 x 4.9 mm

$ 42.22

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3.54Ct Light Aqua Blue Aquamarine, Pear Shape, Vs-Si

3.54Ct Light Aqua Blue Aquamarine, Pear Shape, Vs-Si

15 x 10 mm (calibrated)

$ 339.84

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5.45Ct Medium Pink Morganite, Oval, Transparent

5.45Ct Medium Pink Morganite, Oval, Transparent

14.8 x 10.5 mm

$ 75.47

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8.89Ctw Black Spinel, Round, Opaque

8.89Ctw Black Spinel, Round, Opaque

10 mm (calibrated)

$ 41.08

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0.31Ct Champagne Diamond, Round, Vs
Diamond Product Video (564616)

0.31Ct Champagne Diamond, Round, Vs

4.2 mm

$ 681.85

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2.19Ctw Multicolor Andalusite, Round, Vs
Andalusite Product Video (224356)

2.19Ctw Multicolor Andalusite, Round, Vs

4 mm (calibrated)

$ 130.09

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1.10Ct Dark Purple Spinel, Pear Shape, Vvs

1.10Ct Dark Purple Spinel, Pear Shape, Vvs

8 x 6 mm (calibrated)

$ 148.60

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1.00Ct Light Golden Morganite, Cushion, Vs

1.00Ct Light Golden Morganite, Cushion, Vs

6 x 6 mm (calibrated)

$ 47.41

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0.22Ctw K Diamond, Round, Vvs-Vs
Diamond Product Video (567429)

0.22Ctw K Diamond, Round, Vvs-Vs

3 mm (calibrated)

$ 473.86

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0.04Ct Black Diamond, Round, Opaque

0.04Ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 16.50

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0.59Ct Black Diamond, Round, Opaque
Diamond Product Video (668701)

0.59Ct Black Diamond, Round, Opaque

5 mm (calibrated)

$ 566.40

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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 surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

hassle free experience.

Posted By Jhidron in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very large selection from affordable to high end I will be coming back to shop again!

Posted By GreenGator 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

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 am filling a small treasure chest and picked a nice amethyst.

Posted By VinnyD in August, 2025
Source: Bizrate
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