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

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ID: 689619
Weight: 2.18ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.01
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ID: 672688
Weight: 1.75ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 42.00
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ID: 494231
Weight: 3.09ct (total)
Size: 5 mm (calibrated)
Clarity: Translucent
Content: 6 pcs
Price: $ 22.15
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ID: 650031
Weight: 9.89ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.01
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ID: 724764
Weight: 1.04ct
Size: 10 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 31.20
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ID: 621780
Weight: 1.82ct
Size: 6.9 x 5.9 mm
Clarity: VS
Content: 1 pc
Price: $ 38.27
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ID: 314623
Weight: 3.45ct (total)
Size: 3 x 3 mm (calibrated)
Clarity: Transparent
Content: 20 pcs
Price: $ 77.42
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ID: 691236
Weight: 0.79ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 66.36
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ID: 650669
Weight: 15.65ct
Size: 34 x 14.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 44.14
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ID: 458480
Weight: 1.57ct (total)
Size: 4.5 x 3.4 mm
Clarity: VS
Content: 5 pcs
Price: $ 207.24
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ID: 683082
Weight: 4.46ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 5.35
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ID: 736674
Weight: 13.96ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 19.68
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ID: 722751
Weight: 20.35ct
Size: 23.4 x 18.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 170.94
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ID: 348401
Weight: 2.39ct
Size: 17.5 x 3.9 mm
Clarity: VS
Content: 1 pc
Price: $ 78.88
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ID: 673084
Weight: 1.23ct
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 4.43
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ID: 719559
Weight: 0.83ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 6.97
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ID: 464220
Weight: 5.01ct (total)
Size: 4.2 x 4 mm
Clarity: VS
Content: 10 pcs
Price: $ 46.30
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ID: 631717
Weight: 9.93ct
Size: 14.8 x 11 mm
Clarity: Translucent
Content: 1 pc
Price: $ 119.16
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ID: 730994
Weight: 2.98ct
Size: 10.4 x 9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 6.08
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ID: 476468
Weight: 7.29ct
Size: 16 x 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 67.36
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ID: 477307
Weight: 1.46ct (total)
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 3 pcs
Price: $ 41.06
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ID: 622324
Weight: 0.98ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 18.11
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ID: 715381
Weight: 1.13ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 10.85
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ID: 697577
Weight: 2.16ct
Size: 12.3 x 8.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 65.45
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ID: 683533
Weight: 9.70ct
Size: 16.2 x 13 mm
Clarity: Opaque
Content: 1 pc
Price: $ 89.86
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ID: 730445
Weight: 0.25ct
Size: 5 x 3 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 10.00
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ID: 664506
Weight: 1.85ct
Size: 9 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 8.88
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ID: 450481
Weight: 5.70ct
Size: 13.4 x 9.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 52.67
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ID: 311123
Weight: 1.66ct
Size: 11.1 x 8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 79.68
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ID: 529526
Weight: 1.34ct
Size: 7.1 x 5.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 106.13
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ID: 680922
Weight: 1.12ct
Size: 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 33.60
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ID: 410060
Weight: 2.64ct (total)
Size: 7.7 x 5.1 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 12.62
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ID: 525282
Weight: 1.63ct
Size: 7.7 x 6.8 mm
Clarity: VS
Content: 1 pc
Price: $ 301.22
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ID: 722785
Weight: 0.55ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 16.50
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ID: 685560
Weight: 1.13ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 10.85
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ID: 277571
Weight: 13.21ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 69.74
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ID: 690877
Weight: 0.38ct (total)
Size: 3.5 x 3.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 14.48
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ID: 481598
Weight: 23.31ct
Size: 18.8 x 17.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 33.54
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ID: 681997
Weight: 34.86ct
Size: 23.4 x 18 mm
Clarity: Transparent
Content: 1 pc
Price: $ 334.66
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ID: 687804
Weight: 3.72ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 10.90
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ID: 679204
Weight: 2.93ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 24.61
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ID: 698767
Weight: 3.52ct (total)
Size: 7.3 x 6.6 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 21.12
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ID: 401932
Weight: 2.90ct (total)
Size: 4.5 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 118.67
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ID: 377592
Weight: 21.45ct (total)
Size: 18.2 x 12 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 141.58
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ID: 422833
Weight: 0.81ct
Size: 7.3 x 4.4 mm
Clarity: VS
Content: 1 pc
Price: $ 31.06
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ID: 368413
Weight: 2.80ct
Size: 10 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 18.34
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ID: 419049
Weight: 7.90ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 41.71
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ID: 433116
Weight: 1.62ct
Size: 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 27.37
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ID: 410229
Weight: 6.22ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 41.05
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ID: 711251
Weight: 9.92ct
Size: 17.2 x 11 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.86
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ID: 564561
Weight: 0.26ct (total)
Size: 3.3 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 519.89
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ID: 594075
Weight: 0.82ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 32.47
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ID: 475300
Weight: 5.02ct
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 46.38
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ID: 569735
Weight: 5.38ct (total)
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 39.62
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ID: 704706
Weight: 22.90ct
Size: 37.7 x 9.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 5.50
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ID: 436551
Weight: 2.61ct
Size: 10.8 x 7.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 8.47
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ID: 735783
Weight: 32.34ct
Size: 35.6 x 18.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 26.77
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ID: 654792
Weight: 5.09ct
Size: 12.9 x 10 mm
Clarity: Translucent
Content: 1 pc
Price: $ 67.19
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ID: 673298
Weight: 0.64ct
Size: 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 15.36
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ID: 711789
Weight: 0.79ct
Size: 5.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 15.78
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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, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Nice website I just don't know much about the quality until I receive the stone.

Posted By Becky in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Loved everything. High quality, quick shipping, and authentication included.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Its been a long time since Ive made any purchases Im satisfied with the quality.

Posted By Hard Case in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect website simple to use. I recommend it to non-trade clients looking for gems.

Posted By GemJocky in July, 2024
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

I trust this company to deliver exactly what is offered. I have never had to return a selection of Gems. I appreciate the company's detailed description of their product. It helps this customer find mounts before the gems arrive. Any day of the year one can find a wide selection of gems, be it by price, color, cut, lot or single. Pricing does not jump all over the place and stays reasonable. Be assured your items will arrive in perfect condition as the company's shipping department does a great job.

Posted By Miss Sherrie in August, 2024
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, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Nice website I just don't know much about the quality until I receive the stone.

Posted By Becky in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Loved everything. High quality, quick shipping, and authentication included.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Its been a long time since Ive made any purchases Im satisfied with the quality.

Posted By Hard Case in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect website simple to use. I recommend it to non-trade clients looking for gems.

Posted By GemJocky in July, 2024
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

I trust this company to deliver exactly what is offered. I have never had to return a selection of Gems. I appreciate the company's detailed description of their product. It helps this customer find mounts before the gems arrive. Any day of the year one can find a wide selection of gems, be it by price, color, cut, lot or single. Pricing does not jump all over the place and stays reasonable. Be assured your items will arrive in perfect condition as the company's shipping department does a great job.

Posted By Miss Sherrie in August, 2024
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