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

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ID: 515860
Weight: 38.37ct
Size: 21.8 x 17 mm
Clarity: Opaque
Content: 1 pc
Price: $ 45.08
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ID: 715389
Weight: 1.60ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.36
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ID: 456245
Weight: 1.75ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 16.18
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ID: 606431
Weight: 4.86ct
Size: 14 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 64.15
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ID: 492747
Weight: 6.10ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 44.12
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ID: 734717
Weight: 4.73ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.38
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ID: 721773
Weight: 0.48ct
Size: 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 23.04
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ID: 451123
Weight: 1.36ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 12.56
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ID: 698725
Weight: 2.19ct
Size: 8.2 x 6.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 13.14
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ID: 371108
Weight: 27.89ct (total)
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 36.82
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ID: 600554
Weight: 2.95ct
Size: 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 38.56
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ID: 698564
Weight: 2.94ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.70
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ID: 458008
Weight: 0.57ct
Size: 8.2 x 4.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 60.19
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ID: 528820
Weight: 36.50ct
Size: 25 x 20.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 96.36
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ID: 498976
Weight: 1.58ct
Size: 10 x 7 mm (calibrated)
Clarity: VVS-VS
Price: $ 14.60
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ID: 648979
Weight: 1.28ct
Size: 7.2 x 6.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 3.07
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ID: 681853
Weight: 0.17ct
Size: 3.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 97.44
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ID: 491907
Weight: 17.40ct (total)
Size: 18.1 x 9 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 15.49
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ID: 696596
Weight: 10.86ct
Size: 17.5 x 14.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.55
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ID: 465925
Weight: 4.18ct (total)
Size: 12.1 x 6 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 44.14
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ID: 584663
Weight: 7.42ct
Size: 14.9 x 11.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.13
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ID: 543418
Weight: 2.68ct
Size: 9.1 x 7.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 51.97
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ID: 393571
Weight: 3.57ct
Size: 10 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 23.57
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ID: 409875
Weight: 5.61ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 37.03
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ID: 687077
Weight: 0.19ct
Size: 4.9 x 2.4 mm
Clarity: VS
Content: 1 pc
Price: $ 9.12
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ID: 238081
Weight: 0.72ct
Size: 7 x 3.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 94.09
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ID: 657871
Weight: 0.91ct
Size: 6.7 x 4.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.37
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ID: 644090
Weight: 3.10ct (total)
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 8.18
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ID: 725293
Weight: 9.16ct
Size: 13.3 x 11.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.44
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ID: 427903
Weight: 2.46ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 16.24
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ID: 707173
Weight: 5.14ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 12.34
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ID: 463449
Weight: 1.56ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 30.89
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ID: 691253
Weight: 0.64ct
Size: 5.2 x 4.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 53.76
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ID: 715593
Weight: 4.08ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 39.17
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ID: 460964
Weight: 4.41ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 40.75
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ID: 727942
Weight: 1.33ct
Size: 6.7 x 6.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 7.98
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ID: 694494
Weight: 24.29ct
Size: 29.2 x 16.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.23
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ID: 700473
Weight: 0.19ct
Size: 3.3 mm
Clarity: SI
Content: 1 pc
Price: $ 11.40
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ID: 728241
Weight: 2.70ct (total)
Size: 7 x 5.7 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 16.20
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ID: 368479
Weight: 3.42ct
Size: 10.3 x 8.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 22.39
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ID: 709080
Weight: 0.97ct
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 20.03
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ID: 644837
Weight: 2.27ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.89
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ID: 622556
Weight: 1.24ct
Size: 7.3 x 5.8 mm
Clarity: VS
Content: 1 pc
Price: $ 26.08
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ID: 385058
Weight: 4.30ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.73
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ID: 475127
Weight: 2.43ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 80.20
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ID: 540018
Weight: 0.92ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.72
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ID: 599371
Weight: 5.06ct
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 24.25
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ID: 685865
Weight: 1.14ct
Size: 7.5 x 6.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 20.99
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ID: 708265
Weight: 1.86ct
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 38.41
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ID: 714409
Weight: 0.60ct
Size: 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 18.00
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ID: 387851
Weight: 2.82ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 18.61
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ID: 283442
Weight: 1.05ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 135.14
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ID: 718680
Weight: 31.79ct
Size: 32.3 x 21.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 114.44
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ID: 659897
Weight: 5.72ct
Size: 16.7 x 11.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.84
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ID: 397026
Weight: 4.83ct (total)
Size: 7.5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 22.58
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ID: 602903
Weight: 1.59ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 14.69
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ID: 531993
Weight: 2.22ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 11.72
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ID: 385585
Weight: 2.97ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 19.61
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ID: 694515
Weight: 31.61ct
Size: 31.6 x 23.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.14
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ID: 390429
Weight: 1.25ct
Size: 9 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 62.57
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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

easy site to navigate

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

Overall Rating -> 10 star ratings

I found the website easy to work with. The gemstones are lovely.

Posted By Sophie-Tiger in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Great experience shopping and finding what I was looking for, the only improvement I could think of would be allowing to filter more than one size at a time.

Posted By Tlicious04 in September, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

Loved the lot buy options

Posted By BDG in October, 2024
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

It was easy to find what I wanted

Posted By Villian in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Muy serios y muy oportunos para el envo

Posted By Veronica in September, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I love wide range of stones. Always have my preference.

Posted By Ray in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

This was a great time as always. The only problem I had was deciding between all the beautiful and affordable stones that met my requirements. I love shopping for sapphires!

Posted By Phoenix 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

easy site to navigate

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

Overall Rating -> 10 star ratings

I found the website easy to work with. The gemstones are lovely.

Posted By Sophie-Tiger in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Great experience shopping and finding what I was looking for, the only improvement I could think of would be allowing to filter more than one size at a time.

Posted By Tlicious04 in September, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

Loved the lot buy options

Posted By BDG in October, 2024
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

It was easy to find what I wanted

Posted By Villian in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Muy serios y muy oportunos para el envo

Posted By Veronica in September, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I love wide range of stones. Always have my preference.

Posted By Ray in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

This was a great time as always. The only problem I had was deciding between all the beautiful and affordable stones that met my requirements. I love shopping for sapphires!

Posted By Phoenix 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