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

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ID: 442312
Weight: 2.18ct
Size: 7.5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 71.94
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ID: 683193
Weight: 5.26ct
Size: 15 x 7.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 48.73
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ID: 721614
Weight: 13.08ct
Size: 24.5 x 14.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 47.09
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ID: 514790
Weight: 2.00ct
Size: 8.5 x 7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 34.32
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ID: 684589
Weight: 15.69ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 15.62
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ID: 496762
Weight: 2.37ct
Size: 9 x 7.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 62.57
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ID: 572148
Weight: 12.75ct (total)
Size: 14.9 x 11 mm
Clarity: VVS
Content: 2 pcs
Price: $ 50.50
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ID: 698723
Weight: 2.06ct
Size: 7.6 x 7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 12.36
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ID: 685875
Weight: 0.92ct
Size: 5.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 16.93
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ID: 693495
Weight: 3.73ct
Size: 9.2 x 7.6 mm
Clarity: VS
Content: 1 pc
Price: $ 123.67
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ID: 725183
Weight: 16.53ct
Size: 15.8 x 14.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.84
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ID: 468928
Weight: 1.65ct (total)
Size: 5.4 x 3.9 mm
Clarity: VS
Content: 4 pcs
Price: $ 481.37
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ID: 472526
Weight: 7.32ct
Size: 12.7 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 28.99
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ID: 688011
Weight: 0.82ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 7.87
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ID: 712691
Weight: 0.88ct
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 17.57
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ID: 306219
Weight: 5.18ct (total)
Size: 9.4 x 7.3 mm
Clarity: Transparent/Translucent
Content: 2 pcs
Price: $ 34.19
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ID: 534260
Weight: 1.47ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.58
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ID: 664931
Weight: 2.28ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 19.15
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ID: 346058
Weight: 23.54ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 124.30
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ID: 435891
Weight: 7.83ct
Size: 16.2 x 12.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 25.63
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ID: 727112
Weight: 0.36ct
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 9.00
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ID: 708037
Weight: 6.45ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 6.19
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ID: 660567
Weight: 2.17ct
Size: 7 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.23
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ID: 556097
Weight: 22.46ct
Size: 16.7 x 16 mm
Clarity: Opaque
Content: 1 pc
Price: $ 27.28
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ID: 699691
Weight: 0.65ct
Size: 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 39.00
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ID: 644421
Weight: 3.28ct (total)
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 8.66
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ID: 366834
Weight: 9.20ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 63.04
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ID: 439319
Weight: 3.85ct
Size: 9.6 x 9.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 238.86
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ID: 532403
Weight: 5.28ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 38.33
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ID: 723893
Weight: 16.07ct
Size: 15.8 x 11.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.09
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ID: 723367
Weight: 0.03ct
Size: 1.9 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 28.80
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ID: 679243
Weight: 11.23ct
Size: 18.3 x 12.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 67.38
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ID: 527533
Weight: 5.77ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 41.74
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ID: 682820
Weight: 1.08ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 19.44
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ID: 390950
Weight: 1.77ct
Size: 17.4 x 3.5 mm
Clarity: VS
Content: 1 pc
Price: $ 51.40
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ID: 414563
Weight: 10.08ct
Size: 12.5 x 12.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 66.53
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ID: 674837
Weight: 11.70ct
Size: 23 x 14.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.66
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ID: 675026
Weight: 0.59ct
Size: 8.3 x 4.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 4.25
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ID: 400384
Weight: 2.53ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 8.26
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ID: 663376
Weight: 1.04ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 19.97
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ID: 733099
Weight: 0.26ct
Size: 3.8 x 3.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 10.92
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ID: 662842
Weight: 4.69ct
Size: 12.6 x 10.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.26
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ID: 584849
Weight: 49.65ct
Size: 41.1 x 26.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 28.85
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ID: 494009
Weight: 4.16ct
Size: 11.8 x 8.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 16.48
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ID: 490912
Weight: 3.92ct (total)
Size: 6 mm (calibrated)
Clarity: VS
Content: 5 pcs
Price: $ 46.16
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ID: 362416
Weight: 2.18ct
Size: 23 x 3.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 71.94
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ID: 565121
Weight: 4.53ct
Size: 12 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 29.90
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ID: 501565
Weight: 1.89ct
Size: 13.1 x 4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 62.38
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ID: 636968
Weight: 5.36ct
Size: 14.9 x 0.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 12.86
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ID: 731010
Weight: 19.87ct (total)
Size: 24.5 x 11 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 13.60
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ID: 464457
Weight: 4.11ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 37.98
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ID: 351820
Weight: 3.83ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: Transparent
Content: 10 pcs
Price: $ 101.11
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ID: 523048
Weight: 51.90ct
Size: 27 x 20 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 112.36
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ID: 726938
Weight: 0.45ct
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 13.50
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ID: 680952
Weight: 0.97ct
Size: 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 29.10
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ID: 479512
Weight: 14.13ct (total)
Size: 17.5 x 11.8 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 25.74
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ID: 717171
Weight: 1.23ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 25.09
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ID: 574764
Weight: 3.09ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 81.58
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ID: 727301
Weight: 0.56ct
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 16.80
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ID: 735799
Weight: 25.95ct
Size: 37.9 x 18.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 21.49
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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

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 -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
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

Overall Rating -> 10 star ratings

I just bought some mystic quartz. Checkout was smooth and pleasant

Posted By Jay in July, 2024
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

Had no difficulty with the website. The only difficulty I had today was making the choice of what I wanted to purchase. There are just so many delicious stones to choose from!!

Posted By Desertchick in July, 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 -> 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

Awesome

Posted By D 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

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 -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
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

Overall Rating -> 10 star ratings

I just bought some mystic quartz. Checkout was smooth and pleasant

Posted By Jay in July, 2024
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

Had no difficulty with the website. The only difficulty I had today was making the choice of what I wanted to purchase. There are just so many delicious stones to choose from!!

Posted By Desertchick in July, 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 -> 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

Awesome

Posted By D 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