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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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1.22Ct Warm Yellow Beryl, Trillion, Vs

1.22Ct Warm Yellow Beryl, Trillion, Vs

8 x 8 mm (calibrated)

$ 35.14

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1.06Ct Medium Purple Spinel, Cushion, Vvs

1.06Ct Medium Purple Spinel, Cushion, Vvs

6.8 x 6.1 mm

$ 127.20

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0.49Ct Medium Purple Spinel, Cushion, Vs

0.49Ct Medium Purple Spinel, Cushion, Vs

4.9 x 4.1 mm

$ 41.16

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12.39Ct Intense Silver Aqua-Blue Aquamarine, Oval, Vs-Si

12.39Ct Intense Silver Aqua-Blue Aquamarine, Oval, Vs-Si

18 x 13 mm (calibrated)

$ 1,189.44

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0.49Ct Medium Pink Morganite, Pear Shape, Vvs

0.49Ct Medium Pink Morganite, Pear Shape, Vvs

6.7 x 3.7 mm

$ 35.58

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11.50Ctw Black Spinel, Round, Opaque

11.50Ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 43.12

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1.67Ct Light Gold Golden Beryl, Oval, Vs

1.67Ct Light Gold Golden Beryl, Oval, Vs

9 x 7 mm (calibrated)

$ 48.49

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1.09Ct Light Pink Morganite, Round, Vvs-Vs

1.09Ct Light Pink Morganite, Round, Vvs-Vs

7 mm (calibrated)

$ 100.72

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2.70Ctw Light Yellow Golden Beryl, Round, Vvs

2.70Ctw Light Yellow Golden Beryl, Round, Vvs

8 mm (calibrated)

$ 71.28

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5.89Ct Medium Pink Morganite, Pear Shape, Transparent

5.89Ct Medium Pink Morganite, Pear Shape, Transparent

14 x 10 mm (calibrated)

$ 29.45

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2.56Ctw White Topaz, Cushion, Vvs-Vs

2.56Ctw White Topaz, Cushion, Vvs-Vs

4.6 x 4.5 mm

$ 16.90

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0.03Ct E Diamond, Round, Vvs

0.03Ct E Diamond, Round, Vvs

2 mm (calibrated)

$ 82.50

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0.73Ct Very Light Grey Spinel, Cushion, Vvs-Vs

0.73Ct Very Light Grey Spinel, Cushion, Vvs-Vs

5.8 x 5 mm

$ 73.00

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4.08Ct Light Pink Morganite, Round, Transparent

4.08Ct Light Pink Morganite, Round, Transparent

10 mm (calibrated)

$ 56.50

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4.11Ct Medium Light-Pink Morganite, Oval, Translucent

4.11Ct Medium Light-Pink Morganite, Oval, Translucent

11 x 9 mm (calibrated)

$ 54.25

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7.96Ctw Black Spinel, Round, Opaque

7.96Ctw Black Spinel, Round, Opaque

9 mm (calibrated)

$ 42.02

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1.14Ct Light Yellow Beryl, Oval, Vvs-Vs

1.14Ct Light Yellow Beryl, Oval, Vvs-Vs

8 x 6 mm (calibrated)

$ 27.36

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0.58Ct Very Light Pink Spinel, Cushion, Vvs

0.58Ct Very Light Pink Spinel, Cushion, Vvs

5 x 4.3 mm

$ 48.72

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0.55Ct Very Light Purple Spinel, Round, Vs

0.55Ct Very Light Purple Spinel, Round, Vs

4.5 mm (calibrated)

$ 34.75

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0.07Ct Black Diamond, Round, Opaque

0.07Ct Black Diamond, Round, Opaque

2.4 mm (calibrated)

$ 28.87

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0.55Ct Light Golden-Yellow Beryl, Oval, Vvs

0.55Ct Light Golden-Yellow Beryl, Oval, Vvs

7.3 x 5 mm

$ 12.65

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1.16Ct Flamingo Pink Morganite, Pear Shape, Vs
Morganite Product Video (478207)

1.16Ct Flamingo Pink Morganite, Pear Shape, Vs

9.5 x 5.4 mm

$ 153.12

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1.83Ct Medium Yellow Beryl, Trillion, Vvs-Vs

1.83Ct Medium Yellow Beryl, Trillion, Vvs-Vs

9 x 9 mm (calibrated)

$ 48.31

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2.34Ctw Medium-Light Yellow Golden Beryl, Oval, Vs

2.34Ctw Medium-Light Yellow Golden Beryl, Oval, Vs

8 x 6 mm (calibrated)

$ 70.20

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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

Easy to use website

Posted By Mel in February, 2026
Source: Bizrate

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

GemSelect offers excellent choices, prices & service- highly recommended! Unfortunately, prior to ordering a replacement gemstone, my jeweler neglected to mention it needed to be one that was a'cushion cuta' to fit the existing mount. Have yet to return/exchangea'

Posted By CJ in March, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

The purchasing process is fairly quick and straightforward and for me user friendly so it probably took more or less than 3 minutes to purchase and pay for the items. I wish there was a discount offer for multiple items to encourage us buyers to purchase more an incentive and add more sales in your end. Besides that, it's been a great purchasing experience and will continue to shop as I am a repeat customer and have bought from your store many times before. Thank you.

Posted By Emmanuel in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The website has a good selection, the interface is very intuitive.

Posted By PhoenixFeatherJewelry in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Very good.

Posted By Tommy in December, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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