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

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ID: 499833
Weight: 3.84ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 35.48
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ID: 692962
Weight: 33.55ct
Size: 33.6 x 11.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.08
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ID: 711712
Weight: 18.54ct
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 49.39
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ID: 569741
Weight: 4.46ct
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 32.86
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ID: 480911
Weight: 2.64ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 22.18
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ID: 733065
Weight: 0.57ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 4.79
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ID: 661850
Weight: 6.42ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.70
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ID: 724549
Weight: 0.42ct
Size: 4.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 58.80
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ID: 450025
Weight: 0.94ct
Size: 13.1 x 2.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.02
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ID: 569467
Weight: 2.61ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 19.22
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ID: 673711
Weight: 5.11ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 153.30
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ID: 453205
Weight: 1.62ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 14.96
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ID: 538013
Weight: 0.96ct
Size: 8.7 x 3.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 87.43
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ID: 711273
Weight: 14.65ct
Size: 24.3 x 12.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.18
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ID: 691353
Weight: 0.39ct
Size: 4.7 x 3.7 mm
Clarity: VS
Content: 1 pc
Price: $ 32.76
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ID: 720047
Weight: 3.55ct
Size: 8.6 x 7.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 106.50
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ID: 411274
Weight: 4.26ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 126.92
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ID: 719010
Weight: 0.58ct
Size: 5 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 10.44
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ID: 694252
Weight: 0.98ct
Size: 10 x 3.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 29.40
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ID: 727103
Weight: 0.61ct
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 18.30
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ID: 648386
Weight: 6.06ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 10.91
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ID: 639590
Weight: 1.85ct
Size: 12.1 x 5.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.54
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ID: 662712
Weight: 1.74ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 14.62
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ID: 609388
Weight: 3.09ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.55
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ID: 700712
Weight: 0.54ct
Size: 4.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 32.40
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ID: 418424
Weight: 7.74ct
Size: 14.7 x 10.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 15.32
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ID: 687580
Weight: 3.67ct (total)
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 10.74
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ID: 446278
Weight: 13.44ct
Size: 21.9 x 13.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 48.38
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ID: 448965
Weight: 2.85ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 18.82
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ID: 712327
Weight: 13.81ct
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 36.79
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ID: 723897
Weight: 0.05ct (total)
Size: 1.9 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 40.00
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ID: 735015
Weight: 5.51ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 33.06
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ID: 582886
Weight: 12.04ct
Size: 16.2 x 13.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 95.35
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ID: 627970
Weight: 11.19ct
Size: 18.2 x 14.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 67.14
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ID: 685321
Weight: 0.55ct
Size: 5.2 x 4.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 23.10
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ID: 448530
Weight: 1.31ct
Size: 6.8 x 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 833.47
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ID: 721901
Weight: 39.70ct
Size: 34.1 x 22 mm
Clarity: Opaque
Content: 1 pc
Price: $ 47.64
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ID: 699658
Weight: 1.01ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.70
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ID: 640744
Weight: 4.38ct
Size: 12.3 x 8.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 12.56
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ID: 700977
Weight: 0.25ct
Size: 3.7 mm
Clarity: SI
Content: 1 pc
Price: $ 15.00
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ID: 706502
Weight: 12.11ct
Size: 16.1 x 13.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 24.71
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ID: 431314
Weight: 1.48ct
Size: 6.5 x 6.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 35.16
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ID: 488207
Weight: 51.51ct
Size: 33 x 30.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.01
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ID: 714342
Weight: 0.46ct
Size: 4 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 13.80
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ID: 629435
Weight: 8.93ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 16.18
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ID: 386330
Weight: 6.24ct (total)
Size: 16.8 x 8.3 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 55.52
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ID: 418349
Weight: 8.27ct
Size: 15.6 x 11.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 16.37
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ID: 480032
Weight: 2.38ct
Size: 8 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 22.00
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ID: 501019
Weight: 1.98ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.68
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ID: 381797
Weight: 3.92ct (total)
Size: 3.7 mm
Clarity: VS
Content: 20 pcs
Price: $ 207.44
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ID: 737129
Weight: 2.07ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 93.15
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ID: 640364
Weight: 0.78ct
Size: 5 x 5 mm (calibrated)
Clarity: Transparent
Price: $ 8.42
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ID: 704588
Weight: 1.22ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.50
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ID: 436761
Weight: 3.09ct (total)
Size: 4.5 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 122.36
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ID: 698695
Weight: 1.57ct
Size: 7.6 x 6.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 9.42
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ID: 427164
Weight: 1.24ct
Size: 9 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.72
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ID: 464513
Weight: 3.05ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 8 pcs
Price: $ 28.19
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ID: 627992
Weight: 1.57ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 28.86
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ID: 348546
Weight: 2.58ct
Size: 18.6 x 4.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 77.40
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ID: 601390
Weight: 14.46ct (total)
Size: 25.1 x 12.7 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 69.92
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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

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim 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

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

Easy and convenient

Posted By Butch in September, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

Easy website to navigate, lots of different varieties and options to choose from.

Posted By Brian in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 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

I was able to find what I was looking for

Posted By Lincolnpremier 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

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim 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

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

Easy and convenient

Posted By Butch in September, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

Easy website to navigate, lots of different varieties and options to choose from.

Posted By Brian in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 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

I was able to find what I was looking for

Posted By Lincolnpremier 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