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

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ID: 715080
Weight: 3.53ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 9.14
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ID: 491091
Weight: 17.73ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 4 pcs
Price: $ 17.02
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ID: 527612
Weight: 5.72ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 41.39
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ID: 727079
Weight: 0.76ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 13.68
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ID: 707765
Weight: 9.04ct
Size: 16 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 65.09
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ID: 527610
Weight: 3.06ct
Size: 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 22.14
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ID: 705601
Weight: 3.10ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 2.87
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ID: 514178
Weight: 21.49ct (total)
Size: 17 x 13.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 56.17
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ID: 382942
Weight: 12.74ct
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 50.45
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ID: 719566
Weight: 0.68ct
Size: 6.3 x 4.7 mm
Clarity: VS
Content: 1 pc
Price: $ 5.71
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ID: 410588
Weight: 8.20ct
Size: 15.9 x 11.4 mm
Clarity: VS
Content: 1 pc
Price: $ 278.72
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ID: 705623
Weight: 20.30ct
Size: 18.9 x 14.5 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 53.83
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ID: 475858
Weight: 21.72ct
Size: 29.3 x 20.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 43.01
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ID: 450080
Weight: 30.11ct (total)
Size: 20.8 x 13.6 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 79.49
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ID: 361820
Weight: 22.63ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 29.87
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ID: 478067
Weight: 4.90ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 44.89
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ID: 533805
Weight: 1.76ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 16.26
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ID: 485363
Weight: 7.24ct
Size: 14 x 14 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 19.12
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ID: 686081
Weight: 1.02ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 22.03
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ID: 481437
Weight: 1.54ct
Size: 6.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 44.26
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ID: 464503
Weight: 3.41ct (total)
Size: 3.9 x 3.8 mm
Clarity: VS
Content: 10 pcs
Price: $ 31.51
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ID: 693455
Weight: 28.66ct
Size: 38.2 x 10.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.32
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ID: 279904
Weight: 2.26ct (total)
Size: 4 mm (calibrated)
Clarity: VS
Content: 9 pcs
Price: $ 149.16
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ID: 631628
Weight: 0.89ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.70
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ID: 487184
Weight: 44.95ct
Size: 38.3 x 24.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.68
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ID: 504656
Weight: 2.72ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 19.16
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ID: 694925
Weight: 26.45ct
Size: 20.3 x 16.6 mm
Clarity: VS
Content: 1 pc
Price: $ 182.82
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ID: 685316
Weight: 0.93ct (total)
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 39.06
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ID: 497242
Weight: 2.68ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 24.77
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ID: 656566
Weight: 0.83ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.94
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ID: 595155
Weight: 17.75ct
Size: 17.9 x 17.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 70.30
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ID: 370314
Weight: 13.00ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 41.35
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ID: 462377
Weight: 6.64ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 43.82
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ID: 408186
Weight: 11.03ct
Size: 14 x 14 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 26.05
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ID: 422152
Weight: 1.25ct
Size: 8.5 x 4.3 mm
Clarity: VS
Content: 1 pc
Price: $ 72.10
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ID: 722823
Weight: 0.57ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 17.10
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ID: 655918
Weight: 12.87ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 65.80
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ID: 623465
Weight: 0.70ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Price: $ 12.94
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ID: 715095
Weight: 5.28ct (total)
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 13.68
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ID: 562891
Weight: 4.01ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 37.06
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ID: 492403
Weight: 7.31ct
Size: 16 x 13.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 25.00
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ID: 712811
Weight: 1.29ct
Size: 7.2 x 5.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 25.76
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ID: 539710
Weight: 1.99ct
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 38.84
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ID: 696533
Weight: 78.55ct
Size: 41.5 x 28.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 141.40
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ID: 700557
Weight: 15.30ct
Size: 23.5 x 19.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.85
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ID: 673100
Weight: 1.68ct
Size: 8 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 40.32
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ID: 712526
Weight: 2.63ct
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 7.01
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ID: 725314
Weight: 13.26ct
Size: 15 x 13.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.12
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ID: 456694
Weight: 1.59ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 14.69
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ID: 720150
Weight: 1.05ct
Size: 5.6 x 5.6 mm
Clarity: VS
Content: 1 pc
Price: $ 101.06
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ID: 447089
Weight: 2.24ct
Size: 8.1 x 6.9 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 105.85
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ID: 400160
Weight: 6.41ct (total)
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 21.14
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ID: 574612
Weight: 3.03ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 79.99
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ID: 594615
Weight: 1.77ct
Size: 8.2 x 6.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 42.06
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ID: 446558
Weight: 4.92ct
Size: 13 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 16.24
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ID: 648740
Weight: 17.91ct
Size: 24.9 x 19.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.32
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ID: 735024
Weight: 0.07ct
Size: 3 x 2.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 49.00
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ID: 418204
Weight: 11.78ct (total)
Size: 15.3 x 11.1 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 23.33
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ID: 357164
Weight: 7.36ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 48.58
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ID: 662681
Weight: 16.22ct (total)
Size: 17.5 x 16.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 11.48
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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

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

I'm happy.

Posted By Ray in January, 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

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

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

The website was nice and I bought some gems

Posted By Jay in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

love these guys been ordering since 2000 maybe

Posted By JHT in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 2025
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

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

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

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

I'm happy.

Posted By Ray in January, 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

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

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

The website was nice and I bought some gems

Posted By Jay in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

love these guys been ordering since 2000 maybe

Posted By JHT in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 2025
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

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

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