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

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ID: 716421
Weight: 2.53ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 24.29
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ID: 473196
Weight: 0.58ct
Size: 7.8 x 4.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 42.11
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ID: 434095
Weight: 30.70ct
Size: 27.6 x 18.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.52
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ID: 712645
Weight: 2.42ct
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.44
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ID: 714172
Weight: 0.31ct
Size: 4.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 9.30
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ID: 407918
Weight: 3.12ct
Size: 13 x 9 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 123.55
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ID: 736696
Weight: 1.58ct
Size: 10 x 7.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.06
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ID: 392659
Weight: 15.79ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 104.22
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ID: 472224
Weight: 65.86ct
Size: 39.2 x 24.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 137.36
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ID: 699107
Weight: 3.54ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 29.74
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ID: 640721
Weight: 1.74ct
Size: 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 50.11
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ID: 324625
Weight: 6.26ct (total)
Size: 9.4 x 8.3 mm
Clarity: Transparent/Translucent
Content: 2 pcs
Price: $ 20.66
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ID: 511214
Weight: 4.69ct
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 61.91
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ID: 693505
Weight: 2.48ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 82.22
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ID: 710316
Weight: 1.81ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 32.42
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ID: 721631
Weight: 19.53ct
Size: 17.1 x 15.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.44
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ID: 706360
Weight: 10.03ct
Size: 14.1 x 12.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.46
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ID: 478851
Weight: 0.69ct
Size: 6.5 x 4.2 mm
Clarity: VS
Content: 1 pc
Price: $ 29.18
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ID: 475111
Weight: 32.82ct
Size: 33.8 x 22 mm
Clarity: Opaque
Content: 1 pc
Price: $ 43.32
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ID: 490718
Weight: 5.96ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 43.27
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ID: 632004
Weight: 11.35ct
Size: 27.3 x 12.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 51.62
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ID: 718114
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.80
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ID: 606012
Weight: 2.70ct
Size: 12 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 35.64
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ID: 464416
Weight: 4.27ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 39.46
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ID: 685640
Weight: 16.44ct
Size: 27 x 18.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 16.38
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ID: 560982
Weight: 0.99ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 9.14
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ID: 493251
Weight: 5.61ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 40.21
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ID: 724466
Weight: 0.17ct
Size: 4.1 x 3.1 mm
Clarity: VS
Content: 1 pc
Price: $ 28.56
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ID: 459887
Weight: 4.43ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 40.93
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ID: 678088
Weight: 0.82ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Price: $ 6.89
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ID: 377903
Weight: 14.03ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 55.56
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ID: 490264
Weight: 1.56ct
Size: 6.9 x 6.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 138.38
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ID: 693759
Weight: 60.24ct
Size: 35.3 x 24.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.93
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ID: 514334
Weight: 23.43ct (total)
Size: 21.9 x 14.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 61.24
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ID: 445831
Weight: 2.54ct
Size: 8 x 7.7 mm
Clarity: VS
Content: 1 pc
Price: $ 121.27
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ID: 735011
Weight: 2.37ct
Size: 10 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 14.22
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ID: 453761
Weight: 3.42ct
Size: 13.1 x 7.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 31.60
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ID: 720907
Weight: 1.35ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 11.34
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ID: 436344
Weight: 2.20ct (total)
Size: 4.5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 87.12
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ID: 722806
Weight: 0.60ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 18.00
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ID: 480067
Weight: 2.19ct
Size: 8.4 x 8.2 mm
Clarity: Transparent
Price: $ 20.23
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ID: 647273
Weight: 1.97ct
Size: 8.2 x 7 mm
Clarity: VS
Content: 1 pc
Price: $ 44.92
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ID: 511816
Weight: 2.87ct (total)
Size: 7.1 x 5.4 mm
Clarity: Translucent
Content: 4 pcs
Price: $ 103.16
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ID: 443465
Weight: 17.15ct
Size: 25.5 x 13.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 45.28
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ID: 725872
Weight: 0.60ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 5.76
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ID: 706367
Weight: 7.43ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 15.16
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ID: 721204
Weight: 0.46ct
Size: 8 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 3.86
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ID: 643817
Weight: 2.83ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 7.48
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ID: 584145
Weight: 1.16ct
Size: 10 x 4.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 7.66
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ID: 338137
Weight: 5.03ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 23.23
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ID: 571009
Weight: 0.80ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 7.39
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ID: 392533
Weight: 10.07ct (total)
Size: 11 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 66.47
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ID: 687421
Weight: 3.71ct (total)
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 10.86
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ID: 608436
Weight: 7.30ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 134.90
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ID: 408080
Weight: 9.11ct
Size: 13 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 21.53
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ID: 572179
Weight: 2.78ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Price: $ 25.69
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ID: 720392
Weight: 1.16ct
Size: 6.9 x 5.3 mm
Clarity: VS
Content: 1 pc
Price: $ 167.04
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ID: 401660
Weight: 3.31ct (total)
Size: 5 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 135.44
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ID: 635579
Weight: 0.85ct
Size: 9 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 22.44
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ID: 411302
Weight: 4.32ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 128.70
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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

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

Good shopping experience. Website is relatively easy to use. Prices are good.

Posted By Bleep in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Site is easy to navigate - details on cut, polish, and finish work and techniques were helpful. 3d view or wireframe diagram of stones would be nice.

Posted By Tb in August, 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

Great site always looking for great deals and find them on this site

Posted By IRO5812 in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love gemstones. My father was a jeweler & I used to shop for stones for him.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

It is a good experience, it is easy to view the item, and easy to check out.

Posted By Neo in November, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to navigate

Posted By GemGod in July, 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

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

Good shopping experience. Website is relatively easy to use. Prices are good.

Posted By Bleep in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Site is easy to navigate - details on cut, polish, and finish work and techniques were helpful. 3d view or wireframe diagram of stones would be nice.

Posted By Tb in August, 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

Great site always looking for great deals and find them on this site

Posted By IRO5812 in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love gemstones. My father was a jeweler & I used to shop for stones for him.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

It is a good experience, it is easy to view the item, and easy to check out.

Posted By Neo in November, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to navigate

Posted By GemGod in July, 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