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

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ID: 715557
Weight: 5.71ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 54.82
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ID: 704940
Weight: 23.17ct
Size: 38 x 9.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 5.56
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ID: 425775
Weight: 3.66ct
Size: 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.99
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ID: 687453
Weight: 1.32ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 28.51
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ID: 549120
Weight: 17.96ct
Size: 20.6 x 13.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 28.45
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ID: 395242
Weight: 3.29ct
Size: 9.6 x 9.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 21.72
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ID: 539007
Weight: 4.04ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 37.33
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ID: 563593
Weight: 2.92ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 19.27
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ID: 714993
Weight: 1.38ct (total)
Size: 5.2 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 3.58
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ID: 655530
Weight: 1.32ct
Size: 10 x 5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 2.06
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ID: 392130
Weight: 18.18ct
Size: 19 x 14.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 48.00
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ID: 471778
Weight: 9.75ct
Size: 14.6 x 10.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 2,574.00
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ID: 384350
Weight: 1.05ct
Size: 14.8 x 3.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 26.75
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ID: 662873
Weight: 1.82ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.29
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ID: 695824
Weight: 2.08ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Price: $ 5.74
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ID: 513672
Weight: 2.23ct
Size: 10.9 x 8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 17.66
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ID: 306196
Weight: 7.39ct
Size: 15.8 x 10.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 37.61
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ID: 440110
Weight: 0.81ct
Size: 5.7 x 5 mm
Clarity: VS
Content: 1 pc
Price: $ 29.94
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ID: 704926
Weight: 1.30ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 39.00
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ID: 734692
Weight: 56.97ct
Size: 27 x 20 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 546.91
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ID: 522417
Weight: 16.00ct
Size: 21.4 x 14.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 126.72
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ID: 393576
Weight: 3.29ct
Size: 9 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 21.72
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ID: 605885
Weight: 2.46ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.49
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ID: 715460
Weight: 0.87ct
Size: 5.7 x 5.6 mm
Clarity: VS
Content: 1 pc
Price: $ 55.33
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ID: 540972
Weight: 9.85ct
Size: 13 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 14.69
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ID: 497084
Weight: 1.80ct
Size: 8.3 x 6.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 32.34
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ID: 479047
Weight: 2.82ct (total)
Size: 10.2 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 29.78
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ID: 555097
Weight: 6.45ct
Size: 17.2 x 11.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 12.68
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ID: 388353
Weight: 4.66ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 10 pcs
Price: $ 30.76
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ID: 480921
Weight: 2.70ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 24.95
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ID: 563482
Weight: 0.65ct
Size: 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 39.62
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ID: 668996
Weight: 6.69ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.03
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ID: 698598
Weight: 1.01ct
Size: 6.5 x 5.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 6.06
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ID: 656273
Weight: 1.92ct
Size: 8 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 3.00
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ID: 431285
Weight: 1.39ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 12.22
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ID: 695836
Weight: 0.47ct
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 16.92
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ID: 662133
Weight: 5.64ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 6.77
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ID: 638586
Weight: 54.24ct
Size: 25.2 x 22.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 455.62
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ID: 626259
Weight: 1.51ct
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 85.70
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ID: 521475
Weight: 115.62ct
Size: 35.5 x 25.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 305.23
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ID: 486426
Weight: 16.99ct
Size: 29.4 x 14.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.27
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ID: 686300
Weight: 0.27ct
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 17.82
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ID: 691027
Weight: 0.79ct
Size: 5.5 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 47.40
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ID: 479078
Weight: 2.37ct (total)
Size: 10.1 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 25.03
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ID: 509125
Weight: 26.60ct
Size: 20.9 x 16.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 245.78
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ID: 647614
Weight: 1.60ct
Size: 8 x 6.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.48
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ID: 712542
Weight: 4.70ct
Size: 16 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 12.52
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ID: 702025
Weight: 60.38ct
Size: 40.2 x 14.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 362.28
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ID: 633303
Weight: 28.08ct
Size: 22.6 x 13.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 149.27
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ID: 474556
Weight: 28.79ct
Size: 31.9 x 18.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.00
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ID: 662728
Weight: 17.78ct (total)
Size: 24.9 x 12.6 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 12.59
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ID: 708818
Weight: 4.19ct
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 126.91
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ID: 575187
Weight: 1.09ct
Size: 6.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 115.10
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ID: 658282
Weight: 19.70ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 23.64
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ID: 727871
Weight: 0.94ct
Size: 5.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 5.64
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ID: 466870
Weight: 0.50ct
Size: 7.8 x 4.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.30
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ID: 399401
Weight: 16.57ct
Size: 34.2 x 13.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.79
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ID: 389707
Weight: 4.66ct (total)
Size: 8.5 x 7.1 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 30.76
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ID: 672040
Weight: 24.65ct
Size: 32.5 x 21.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 29.58
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ID: 713736
Weight: 0.91ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 7.64
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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

I love the product and the details about each of them.

Posted By Love It! in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All Good

Posted By Boru in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and convenient

Posted By Butch in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mm Thanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Helpselect accomplished all personal growth goals

Posted By Mike in October, 2024
Source: Bizrate

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

Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson in May, 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

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

I love the product and the details about each of them.

Posted By Love It! in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All Good

Posted By Boru in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and convenient

Posted By Butch in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mm Thanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Helpselect accomplished all personal growth goals

Posted By Mike in October, 2024
Source: Bizrate

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

Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson in May, 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

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