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

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ID: 658745
Weight: 21.89ct
Size: 16 x 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 32.05
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ID: 565095
Weight: 0.20ct (total)
Size: 2.9 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 364.83
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ID: 432814
Weight: 1.90ct
Size: 7.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 32.10
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ID: 659271
Weight: 19.93ct
Size: 42.2 x 13.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 47.83
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ID: 722151
Weight: 5.82ct
Size: 15.7 x 10.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.95
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ID: 447765
Weight: 41.28ct
Size: 41.3 x 27.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 54.49
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ID: 342688
Weight: 15.80ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 31.50
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ID: 711461
Weight: 33.96ct
Size: 25.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 90.47
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ID: 693554
Weight: 2.59ct
Size: 8.1 x 7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 85.87
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ID: 706981
Weight: 2.77ct
Size: 14 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.65
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ID: 537882
Weight: 0.93ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 12.28
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ID: 367212
Weight: 6.44ct
Size: 15.2 x 8.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 43.79
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ID: 484393
Weight: 5.26ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 69.43
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ID: 534127
Weight: 1.71ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.80
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ID: 657428
Weight: 1.76ct
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 2.11
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ID: 688966
Weight: 2.19ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.06
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ID: 710979
Weight: 33.21ct
Size: 25.2 x 24.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 66.16
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ID: 542761
Weight: 0.67ct
Size: 6.8 x 4.4 mm
Clarity: VS
Content: 1 pc
Price: $ 29.88
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ID: 695868
Weight: 5.02ct
Size: 10.5 x 9.6 mm
Clarity: VS
Content: 1 pc
Price: $ 150.60
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ID: 390643
Weight: 2.19ct (total)
Size: 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 140.95
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ID: 717971
Weight: 0.07ct (total)
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 67.20
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ID: 624222
Weight: 20.85ct
Size: 28 x 17.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.60
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ID: 382235
Weight: 4.01ct (total)
Size: 3.3 mm
Clarity: VS
Content: 30 pcs
Price: $ 212.41
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ID: 548266
Weight: 10.64ct
Size: 14 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 421.34
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ID: 713681
Weight: 1.23ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 8.61
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ID: 711512
Weight: 0.86ct
Size: 5.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 17.17
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ID: 570248
Weight: 0.85ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.98
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ID: 322522
Weight: 7.69ct (total)
Size: 8 x 7 mm
Clarity: Transparent
Content: 4 pcs
Price: $ 50.76
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ID: 599822
Weight: 2.47ct
Size: 10 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 22.82
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ID: 503731
Weight: 8.38ct
Size: 14 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 16.60
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ID: 462066
Weight: 8.24ct (total)
Size: 12.1 x 6.1 mm
Clarity: VVS-VS
Content: 4 pcs
Price: $ 98.22
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ID: 724552
Weight: 0.40ct
Size: 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 67.20
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ID: 450689
Weight: 3.32ct
Size: 13.7 x 6.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 30.67
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ID: 682986
Weight: 9.27ct
Size: 18.3 x 9.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 88.99
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ID: 569256
Weight: 0.86ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 7.94
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ID: 707970
Weight: 2.88ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.76
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ID: 699525
Weight: 0.60ct
Size: 5.3 x 5.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 5.76
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ID: 725288
Weight: 6.41ct
Size: 11.6 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 7.31
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ID: 711622
Weight: 26.46ct
Size: 23.9 x 19.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 47.63
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ID: 546898
Weight: 1.18ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.35
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ID: 720348
Weight: 0.97ct
Size: 6.4 x 4.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 93.36
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ID: 659267
Weight: 2.08ct (total)
Size: 9 x 6 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 4.99
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ID: 712839
Weight: 1.53ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.55
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ID: 621906
Weight: 1.86ct
Size: 8.5 x 6.8 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 39.11
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ID: 351407
Weight: 5.35ct
Size: 17.8 x 9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 49.44
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ID: 711143
Weight: 19.78ct
Size: 18 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 166.15
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ID: 468976
Weight: 1.75ct (total)
Size: 3.1 mm
Clarity: VS-SI
Content: 10 pcs
Price: $ 92.40
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ID: 655361
Weight: 1.94ct
Size: 8 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 16.30
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ID: 692836
Weight: 34.72ct
Size: 42.9 x 10 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.42
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ID: 693234
Weight: 19.33ct
Size: 18.4 x 14.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 162.37
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ID: 728003
Weight: 0.03ct
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
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ID: 481572
Weight: 12.37ct
Size: 13.7 x 12.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 8.82
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ID: 619129
Weight: 16.55ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 43.69
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ID: 474114
Weight: 1.80ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 16.63
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ID: 674449
Weight: 10.19ct
Size: 25.9 x 15 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.12
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ID: 706735
Weight: 2.19ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.26
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ID: 723766
Weight: 1.60ct
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.36
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ID: 519905
Weight: 16.63ct
Size: 25.7 x 12.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.54
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ID: 590222
Weight: 1.53ct
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 28.85
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ID: 487602
Weight: 14.64ct (total)
Size: 7 x 6.6 mm
Clarity: Transparent
Content: 20 pcs
Price: $ 10.82
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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

So far, my experience was great...Thanks

Posted By Kaydi in May, 2025
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 -> 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

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
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

I love the quality, package and info of your gems.

Posted By Diana in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have bought from you before and have found your gems exceed my expectations. I have been very satisfied with all gems sent to me. I will be back. Thanks....

Posted By Dork in September, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I did not have any problems

Posted By Clilrichard in January, 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

So far, my experience was great...Thanks

Posted By Kaydi in May, 2025
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 -> 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

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
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

I love the quality, package and info of your gems.

Posted By Diana in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have bought from you before and have found your gems exceed my expectations. I have been very satisfied with all gems sent to me. I will be back. Thanks....

Posted By Dork in September, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I did not have any problems

Posted By Clilrichard in January, 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