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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
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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
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Violet Natural Untreated Gemstones
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Yellow Natural Untreated Gemstones
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1.11Ct Light Golden-Yellow Beryl, Oval, Vs

1.11Ct Light Golden-Yellow Beryl, Oval, Vs

8 x 6 mm (calibrated)

$ 26.64

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0.42Ct Salmon Pink Morganite, Oval, Vs

0.42Ct Salmon Pink Morganite, Oval, Vs

5.7 x 4.5 mm

$ 22.68

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7.52Ct Vivid Pink Morganite, Oval, Translucent

7.52Ct Vivid Pink Morganite, Oval, Translucent

13 x 11 mm (calibrated)

$ 99.26

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1.12Ct Light Pinkish Purple Spinel, Cushion, Vvs-Vs

1.12Ct Light Pinkish Purple Spinel, Cushion, Vvs-Vs

5.6 x 5.5 mm

$ 89.80

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0.68Ct Light Violet Spinel, Round, Vvs-Vs

0.68Ct Light Violet Spinel, Round, Vvs-Vs

5 mm (calibrated)

$ 42.97

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5.22Ct Flamingo Pink Morganite, Oval, Transparent

5.22Ct Flamingo Pink Morganite, Oval, Transparent

11.9 x 9.2 mm

$ 68.90

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2.88Ctw Clear White Topaz, Cushion, Vvs-Vs

2.88Ctw Clear White Topaz, Cushion, Vvs-Vs

4.6 x 4.5 mm

$ 19.01

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1.05Ct Deep Purple Spinel, Pear Shape, Vvs-Vs

1.05Ct Deep Purple Spinel, Pear Shape, Vvs-Vs

6.6 x 5.3 mm

$ 141.83

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0.60Ct Medium Light-Pink Spinel, Cushion, Vvs

0.60Ct Medium Light-Pink Spinel, Cushion, Vvs

5 x 5 mm (calibrated)

$ 36.00

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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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5.52Ct Very Light Grey Star Sapphire, Oval, Opaque

5.52Ct Very Light Grey Star Sapphire, Oval, Opaque

9.5 x 8.5 mm

$ 255.02

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0.63Ct Grey Pinkish Purple Spinel, Round, Vs

0.63Ct Grey Pinkish Purple Spinel, Round, Vs

5 mm (calibrated)

$ 34.93

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1.27Ct Pinkish Purple Spinel, Cushion, Vs

1.27Ct Pinkish Purple Spinel, Cushion, Vs

7.3 x 5.9 mm

$ 152.40

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1.72Ct Very Light Dijon Yellow Beryl, Round, Vvs

1.72Ct Very Light Dijon Yellow Beryl, Round, Vvs

8 mm (calibrated)

$ 41.28

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0.20Ct Light Pink Morganite, Round, Vvs-Vs

0.20Ct Light Pink Morganite, Round, Vvs-Vs

4 mm (calibrated)

$ 10.00

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1.48Ct Light Yellow Beryl, Round, Vvs-Vs

1.48Ct Light Yellow Beryl, Round, Vvs-Vs

7 mm (calibrated)

$ 39.07

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4.54Ctw Clear White Topaz, Cushion, Vvs-Vs

4.54Ctw Clear White Topaz, Cushion, Vvs-Vs

4.6 x 4.6 mm

$ 29.96

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1.24Ct Medium Purple Spinel, Cushion, Vvs

1.24Ct Medium Purple Spinel, Cushion, Vvs

6.7 x 5.8 mm

$ 148.80

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0.15Ctw H Diamond, Round, Vvs-Vs

0.15Ctw H Diamond, Round, Vvs-Vs

2.6 mm (calibrated)

$ 323.09

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7.05Ctw Flamingo Pink Morganite, Round, Translucent

7.05Ctw Flamingo Pink Morganite, Round, Translucent

10 mm (calibrated)

$ 93.06

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1.01Ct Light Pink Morganite, Pear Shape, Vs

1.01Ct Light Pink Morganite, Pear Shape, Vs

8.7 x 5.5 mm

$ 133.32

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0.52Ct Very Light Pink Morganite, Oval, Vs

0.52Ct Very Light Pink Morganite, Oval, Vs

6.6 x 4.8 mm

$ 28.08

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3.88Ctw White Topaz, Square, Vvs-Vs

3.88Ctw White Topaz, Square, Vvs-Vs

4 x 4 mm (calibrated)

$ 37.64

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0.66Ct Light Purple Spinel, Round, Vs

0.66Ct Light Purple Spinel, Round, Vs

5 mm (calibrated)

$ 34.18

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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

It was good. There was a large selection at prices I could afford.

Posted By Zorah in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection of gems at a reasonable price

Posted By Curt in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good

Posted By Niska in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

the selection is good as are the prices

Posted By Old man in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the products. I've bought them as gifts and people love my gifts

Posted By Love it! in February, 2026
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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