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Loose Untreated Gemstones: Certified Natural Gems for Collectors and Jewelry, Wholesale Untreated Stones

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ID: 664112
Weight: 1.05ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 8.82
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ID: 656176
Weight: 3.45ct
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 5.39
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ID: 431380
Weight: 2.61ct
Size: 8.3 x 6.9 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 62.02
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ID: 427380
Weight: 2.37ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 15.65
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ID: 712096
Weight: 4.98ct
Size: 16 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 13.27
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ID: 708753
Weight: 1.54ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 31.80
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ID: 426622
Weight: 19.41ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 89.68
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ID: 699606
Weight: 0.61ct
Size: 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 36.60
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ID: 551370
Weight: 1.28ct
Size: 7.5 x 5.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.82
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ID: 529069
Weight: 1.25ct
Size: 7.4 x 5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 108.90
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ID: 391874
Weight: 27.70ct (total)
Size: 32.4 x 12 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 54.85
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ID: 585087
Weight: 14.51ct (total)
Size: 20.1 x 11.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.54
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ID: 411621
Weight: 2.47ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 114.12
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ID: 436221
Weight: 3.35ct
Size: 13.8 x 6.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 10.87
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ID: 715667
Weight: 1.62ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 15.55
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ID: 678130
Weight: 0.34ct
Size: 3.3 x 3.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 170.00
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ID: 710353
Weight: 0.90ct
Size: 6.5 x 4.4 mm
Clarity: VS
Content: 1 pc
Price: $ 16.13
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ID: 566425
Weight: 1.78ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 40.49
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ID: 725825
Weight: 2.58ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 102.20
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ID: 341828
Weight: 15.78ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 22.56
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ID: 612062
Weight: 1.09ct
Size: 6.9 x 6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 25.73
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ID: 416373
Weight: 1.94ct
Size: 25.8 x 2.9 mm
Clarity: VS
Content: 1 pc
Price: $ 61.46
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ID: 449668
Weight: 4.67ct (total)
Size: 9 x 6 mm (calibrated)
Clarity: Transparent
Content: 3 pcs
Price: $ 30.83
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ID: 713417
Weight: 0.78ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 13.10
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ID: 474891
Weight: 1.77ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 16.36
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ID: 422798
Weight: 0.70ct
Size: 6.6 x 3.9 mm
Clarity: VS
Content: 1 pc
Price: $ 26.84
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ID: 660356
Weight: 1.34ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 32.16
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ID: 621518
Weight: 2.08ct
Size: 9.3 x 7.6 mm
Clarity: VS
Content: 1 pc
Price: $ 43.73
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ID: 705648
Weight: 5.75ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 5.32
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ID: 513685
Weight: 19.70ct
Size: 25.7 x 13.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.00
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ID: 495461
Weight: 30.80ct (total)
Size: 18.8 x 13.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 43.91
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ID: 697430
Weight: 8.04ct
Size: 18.3 x 9.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 57.89
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ID: 692811
Weight: 20.60ct
Size: 31.2 x 9.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 7.42
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ID: 704380
Weight: 0.63ct
Size: 10.1 x 3 mm
Clarity: VS
Content: 1 pc
Price: $ 20.71
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ID: 694553
Weight: 11.90ct
Size: 15 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 99.96
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ID: 545314
Weight: 3.11ct (total)
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 12.31
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ID: 725468
Weight: 0.98ct
Size: 6.2 x 5 mm
Clarity: VS
Content: 1 pc
Price: $ 83.21
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ID: 464512
Weight: 4.04ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 37.33
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ID: 625116
Weight: 0.85ct
Size: 6.5 x 4.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 3.37
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ID: 687432
Weight: 0.28ct
Size: 4 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 13.44
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ID: 715328
Weight: 1.93ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 18.53
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ID: 686034
Weight: 2.33ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 2.80
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ID: 392404
Weight: 7.12ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 46.99
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ID: 479634
Weight: 2.83ct (total)
Size: 10.1 x 5.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 29.88
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ID: 448936
Weight: 10.01ct
Size: 19.6 x 13.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 33.02
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ID: 732595
Weight: 0.47ct
Size: 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 18.05
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ID: 721932
Weight: 8.24ct
Size: 13 x 11.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.89
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ID: 686817
Weight: 6.08ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 7.30
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ID: 586441
Weight: 1.52ct
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 100.32
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ID: 519533
Weight: 1.79ct
Size: 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 47.26
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ID: 576866
Weight: 8.23ct
Size: 17.8 x 12.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 11.51
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ID: 670965
Weight: 0.48ct
Size: 4.3 x 4.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 17.28
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ID: 393357
Weight: 2.36ct (total)
Size: 4 x 2.1 mm
Clarity: VS
Content: 20 pcs
Price: $ 171.34
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ID: 553717
Weight: 1.72ct
Size: 8 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 38.88
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ID: 478586
Weight: 21.56ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 51.74
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ID: 533782
Weight: 3.59ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 33.17
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ID: 533390
Weight: 2.07ct
Size: 9 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 13.50
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ID: 501052
Weight: 2.58ct
Size: 13 x 8.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 7.93
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ID: 458121
Weight: 0.74ct
Size: 9 x 4.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 78.14
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ID: 414952
Weight: 7.83ct
Size: 12 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 51.68
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FAQs

What are loose untreated gemstones?

Loose untreated gemstones are natural stones that have not undergone any artificial treatments or enhancements. Examples include unheated sapphires, untreated rubies, and unenhanced diamonds, which maintain their natural beauty and originality.

Why should I choose untreated gemstones over treated ones?

Untreated gemstones, such as unheated topaz and virgin untreated stones, are valued for their authenticity and rarity. These certified untreated gems are perfect for collectors and those seeking ethically sourced, natural stones for unique jewelry designs.

Are untreated gemstones suitable for engagement rings?

Yes, untreated gemstones like GIA-certified natural gems, unenhanced diamonds, and untreated rubies are excellent choices for engagement rings. They offer timeless elegance and are ideal for creating one-of-a-kind designs that reflect personal style.

What makes rare untreated gems valuable for collectors?

Rare untreated gems for collectors, such as authentic untreated crystals and unheated and untreated stones, are prized for their natural appearance and limited availability. Their untouched state makes them highly desirable and a great investment.

How can I ensure the quality of loose untreated gemstones?

Always choose certified untreated gems, like GIA-certified natural gems, to guarantee authenticity and quality. These stones undergo thorough evaluation to ensure they meet the highest standards, making them ideal for both personal collections and jewelry projects.

What types of untreated gemstones are available?

Our collection includes a variety of untreated gemstones such as unheated sapphires, untreated rubies, unenhanced diamonds, and unheated topaz. Each stone is carefully selected to offer unmatched quality and natural beauty.

Are untreated gemstones more expensive than treated ones?

In many cases, untreated gemstones, like precious untreated gemstones and virgin untreated stones, can be more valuable due to their rarity and natural state. Their unique characteristics make them highly sought after by collectors and jewelry enthusiasts.

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

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones. .

Posted By Steven M. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar

Posted By TheP in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

very good

Posted By Son Gift in January, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It is a good experience, it is easy to view the item, and easy to check out.

Posted By Neo in November, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.

Posted By Nate in March, 2025
Source: Bizrate

Why Choose Loose Untreated Gemstones?

Selecting loose untreated gemstones ensures you’re investing in authentic, natural beauty. Gems like unheated sapphires, untreated rubies, and unenhanced diamonds retain their original allure, free from artificial enhancements. These certified untreated gems are ideal for those seeking unique, ethical, and high-quality stones for custom jewelry or collections.

Perfect for Engagement Rings and Collectors

Our untreated gemstones, including GIA-certified natural gems, are highly sought after for engagement rings and collector’s pieces. With options like unheated topaz and virgin untreated stones, you can create a timeless design that reflects your individual style. Each gem is carefully selected for its purity and brilliance.

Rare and Exquisite Natural Gems

From authentic untreated crystals to precious untreated gemstones, our collection offers something for every taste. These rare untreated gems for collectors are perfect for showcasing the natural beauty of stones like unheated and untreated stones that remain untouched by enhancements, preserving their natural value and appeal.

Quality Assurance You Can Trust

Every stone in our selection of loose untreated gemstones is thoroughly inspected to meet the highest standards. Whether you’re looking for untreated gemstones for engagement rings or certified untreated gems for a special project, our collection ensures authenticity and unparalleled quality.

Read All

Over 19 Years in the Gemstone Business!

Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones. .

Posted By Steven M. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar

Posted By TheP in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

very good

Posted By Son Gift in January, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It is a good experience, it is easy to view the item, and easy to check out.

Posted By Neo in November, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.

Posted By Nate in March, 2025
Source: Bizrate

FAQ's

What are loose untreated gemstones?

Loose untreated gemstones are natural stones that have not undergone any artificial treatments or enhancements. Examples include unheated sapphires, untreated rubies, and unenhanced diamonds, which maintain their natural beauty and originality.

Why should I choose untreated gemstones over treated ones?

Untreated gemstones, such as unheated topaz and virgin untreated stones, are valued for their authenticity and rarity. These certified untreated gems are perfect for collectors and those seeking ethically sourced, natural stones for unique jewelry designs.

Are untreated gemstones suitable for engagement rings?

Yes, untreated gemstones like GIA-certified natural gems, unenhanced diamonds, and untreated rubies are excellent choices for engagement rings. They offer timeless elegance and are ideal for creating one-of-a-kind designs that reflect personal style.

What makes rare untreated gems valuable for collectors?

Rare untreated gems for collectors, such as authentic untreated crystals and unheated and untreated stones, are prized for their natural appearance and limited availability. Their untouched state makes them highly desirable and a great investment.

How can I ensure the quality of loose untreated gemstones?

Always choose certified untreated gems, like GIA-certified natural gems, to guarantee authenticity and quality. These stones undergo thorough evaluation to ensure they meet the highest standards, making them ideal for both personal collections and jewelry projects.

What types of untreated gemstones are available?

Our collection includes a variety of untreated gemstones such as unheated sapphires, untreated rubies, unenhanced diamonds, and unheated topaz. Each stone is carefully selected to offer unmatched quality and natural beauty.

Are untreated gemstones more expensive than treated ones?

In many cases, untreated gemstones, like precious untreated gemstones and virgin untreated stones, can be more valuable due to their rarity and natural state. Their unique characteristics make them highly sought after by collectors and jewelry enthusiasts.

Enlarged Gemstone Image