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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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1.12Ct Medium-Light Pink Morganite, Pear Shape, Vvs-Vs

1.12Ct Medium-Light Pink Morganite, Pear Shape, Vvs-Vs

10.9 x 6 mm

$ 103.49

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1.22Ct Medium-Dark Purple Sapphire, Cushion, Vvs-Vs
Sapphire Product Video (448588)

1.22Ct Medium-Dark Purple Sapphire, Cushion, Vvs-Vs

6.4 x 5.1 mm

$ 776.21

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0.35Ct Black Diamond, Square, Opaque

0.35Ct Black Diamond, Square, Opaque

3.3 x 3.2 mm

$ 210.00

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0.02Ct Black Diamond, Round, Opaque

0.02Ct Black Diamond, Round, Opaque

1.9 mm (calibrated)

$ 19.20

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0.88Ct Medium Yellow Beryl, Cushion, Vvs

0.88Ct Medium Yellow Beryl, Cushion, Vvs

6 x 6 mm (calibrated)

$ 25.34

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0.65Ct Light Gold Beryl, Oval, Vs

0.65Ct Light Gold Beryl, Oval, Vs

7 x 5 mm (calibrated)

$ 14.95

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0.94Ct Flamingo Pink Morganite, Pear Shape, Vs

0.94Ct Flamingo Pink Morganite, Pear Shape, Vs

9.2 x 4.9 mm

$ 99.26

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3.43Ctw Multicolor Andalusite, Round, Vs-Si

3.43Ctw Multicolor Andalusite, Round, Vs-Si

4 mm (calibrated)

$ 203.75

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1.47Ct Merlot Red Sapphire, Cushion, Vs-Si
Sapphire Product Video (746900)

1.47Ct Merlot Red Sapphire, Cushion, Vs-Si

8.5 x 6.2 mm

$ 588.00

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0.97Ct Very Light Dijon Yellow Beryl, Oval, Vvs

0.97Ct Very Light Dijon Yellow Beryl, Oval, Vvs

8 x 6 mm (calibrated)

$ 29.10

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2.43Ct Light Pink Morganite, Pear Shape, Translucent

2.43Ct Light Pink Morganite, Pear Shape, Translucent

10.9 x 7 mm

$ 32.08

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1.55Ct Light Golden-Yellow Beryl, Round, Vvs

1.55Ct Light Golden-Yellow Beryl, Round, Vvs

8 mm (calibrated)

$ 37.20

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0.76Ct Light Golden Morganite, Pear Shape, Vvs

0.76Ct Light Golden Morganite, Pear Shape, Vvs

7.4 x 5.4 mm

$ 40.13

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0.03Ct D Diamond, Round, Vvs

0.03Ct D Diamond, Round, Vvs

2 mm (calibrated)

$ 82.50

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5.40Ct Clear White Topaz, Oval, Vs
Topaz Product Video (387138)

5.40Ct Clear White Topaz, Oval, Vs

12 x 10 mm (calibrated)

$ 38.88

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3.88Ctw Warm White Topaz, Square, Vvs-Vs

3.88Ctw Warm White Topaz, Square, Vvs-Vs

4 x 4 mm (calibrated)

$ 37.64

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0.19Ctw L Diamond, Round, Vvs-Vs

0.19Ctw L Diamond, Round, Vvs-Vs

2.9 mm (calibrated)

$ 409.24

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1.46Ct Grey Pinkish Purple Spinel, Cushion, Vs

1.46Ct Grey Pinkish Purple Spinel, Cushion, Vs

7.5 x 5.7 mm

$ 125.27

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3.14Ct Medium Gold Beryl, Oval, Vvs

3.14Ct Medium Gold Beryl, Oval, Vvs

11 x 9 mm (calibrated)

$ 94.20

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6.23Ct Clear White Topaz, Cushion, Vs

6.23Ct Clear White Topaz, Cushion, Vs

12 x 10 mm (calibrated)

$ 49.84

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0.15Ctw I Diamond, Round, Vvs-Vs

0.15Ctw I Diamond, Round, Vvs-Vs

2.6 mm (calibrated)

$ 328.36

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2.17Ctw Light Gold Beryl, Oval, Vvs-Vs

2.17Ctw Light Gold Beryl, Oval, Vvs-Vs

8 x 6 mm (calibrated)

$ 52.08

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1.18Ct Light Yellow Beryl, Oval, Vs

1.18Ct Light Yellow Beryl, Oval, Vs

8 x 6 mm (calibrated)

$ 27.14

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1.45Ct Warm Yellow Beryl, Round, Vvs-Vs

1.45Ct Warm Yellow Beryl, Round, Vvs-Vs

8 mm (calibrated)

$ 34.80

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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

I feel Gemselect is a trustworthy company to buy from

Posted By Becky in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

overall great

Posted By SR in April, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great website, easy to navigate, and loads quickly. Have bought here before, very pleased!

Posted By SallyO in February, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

I think therea's no problem

Posted By Napoleon in August, 2025
Source: Bizrate

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
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