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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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7.33Ct Rose Pink Tone Morganite, Round, Transparent

7.33Ct Rose Pink Tone Morganite, Round, Transparent

13 mm (calibrated)

$ 101.50

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10.51Ct Very Light Tawny Brown Rutile Topaz, Emerald Cut, Transparent

10.51Ct Very Light Tawny Brown Rutile Topaz, Emerald Cut, Transparent

17.4 x 9.4 mm

$ 262.75

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1.34Ct Light Yellow Beryl, Oval, Vvs-Vs

1.34Ct Light Yellow Beryl, Oval, Vvs-Vs

9 x 7 mm (calibrated)

$ 30.82

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1.78Ctw Multicolor Andalusite, Oval, Vs

1.78Ctw Multicolor Andalusite, Oval, Vs

5 x 3.1 mm

$ 114.56

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1.32Ctw White Topaz, Oval, Vvs

1.32Ctw White Topaz, Oval, Vvs

6 x 4 mm (calibrated)

$ 11.09

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0.40Ct Black Diamond, Square, Opaque

0.40Ct Black Diamond, Square, Opaque

3.7 x 3.5 mm

$ 240.00

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1.07Ct Deep Plum Spinel, Oval, Vvs

1.07Ct Deep Plum Spinel, Oval, Vvs

7.1 x 5.4 mm

$ 132.80

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0.96Ct Light Golden Morganite, Pear Shape, Vvs-Vs

0.96Ct Light Golden Morganite, Pear Shape, Vvs-Vs

8 x 6 mm (calibrated)

$ 69.70

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0.19Ct Black Diamond, Square, Opaque

0.19Ct Black Diamond, Square, Opaque

2.8 x 2.7 mm

$ 114.00

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1.40Ct Clear White Topaz, Oval, Transparent

1.40Ct Clear White Topaz, Oval, Transparent

10 x 10 mm (calibrated)

$ 9.24

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0.69Ct Light Golden-Yellow Beryl, Oval, Vvs

0.69Ct Light Golden-Yellow Beryl, Oval, Vvs

7 x 5 mm (calibrated)

$ 20.70

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0.51Ct Very Light Pink Morganite, Pear Shape, Vs

0.51Ct Very Light Pink Morganite, Pear Shape, Vs

7 x 5 mm (calibrated)

$ 27.54

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1.10Ct Light Gold Beryl, Oval, Vvs-Vs

1.10Ct Light Gold Beryl, Oval, Vvs-Vs

8 x 6 mm (calibrated)

$ 33.00

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0.71Ct Flamingo Pink Morganite, Pear Shape, Vvs-Vs

0.71Ct Flamingo Pink Morganite, Pear Shape, Vvs-Vs

7.9 x 4.6 mm

$ 51.55

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0.71Ct Medium Pink Spinel, Cushion, Vs

0.71Ct Medium Pink Spinel, Cushion, Vs

6 x 4 mm (calibrated)

$ 59.64

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0.03Ct Black Diamond, Round, Opaque

0.03Ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 12.37

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2.01Ctw Salmon Pink Morganite, Oval, Vs

2.01Ctw Salmon Pink Morganite, Oval, Vs

8 x 6 mm (calibrated)

$ 132.66

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0.93Ct Light Yellow Beryl, Oval, Vvs

0.93Ct Light Yellow Beryl, Oval, Vvs

8 x 6 mm (calibrated)

$ 22.32

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1.42Ct Light Golden-Yellow Beryl, Oval, Vvs

1.42Ct Light Golden-Yellow Beryl, Oval, Vvs

9 x 7 mm (calibrated)

$ 34.08

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1.24Ct Light Pink Morganite, Round, Vvs-Vs

1.24Ct Light Pink Morganite, Round, Vvs-Vs

7 mm (calibrated)

$ 114.58

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3.35Ct Light Pink Morganite, Pear Shape, Transparent

3.35Ct Light Pink Morganite, Pear Shape, Transparent

13.7 x 7.9 mm

$ 16.75

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1.45Ct Very Light Pink Morganite, Round, Vs

1.45Ct Very Light Pink Morganite, Round, Vs

7 mm (calibrated)

$ 67.86

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1.58Ct Medium Yellow Beryl, Oval, Vs

1.58Ct Medium Yellow Beryl, Oval, Vs

9 x 7 mm (calibrated)

$ 45.50

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2.09Ct Cognac Diamond, Square, Si
Diamond Product Video (382090)

2.09Ct Cognac Diamond, Square, Si

6.6 x 6.5 mm

$ 4,901.26

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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

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoy viewing the selections. Excellent product

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

Overall Rating -> 10 star ratings

So far, my experience was great...Thanks

Posted By Kaydi in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have a beautiful emerald I purchased from a company names gemselect and they are awesome! You should try them out?

Posted By Lynn in September, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.

Posted By Atsu in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The stones are very nice.

Posted By Mvk in August, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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