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

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ID: 735073
Weight: 0.21ct
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 17.64
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ID: 368085
Weight: 3.24ct (total)
Size: 7.5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 21.22
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ID: 674905
Weight: 5.67ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 47.63
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ID: 553499
Weight: 2.16ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 48.82
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ID: 521644
Weight: 9.82ct
Size: 18 x 13.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 77.77
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ID: 453753
Weight: 3.49ct
Size: 11 x 8.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 32.24
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ID: 717157
Weight: 18.49ct
Size: 21.8 x 19.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.28
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ID: 635468
Weight: 2.87ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 82.66
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ID: 656630
Weight: 1.27ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 7.62
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ID: 559916
Weight: 4.57ct
Size: 12 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 42.23
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ID: 712010
Weight: 7.21ct
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 19.21
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ID: 516621
Weight: 1.06ct
Size: 9.3 x 3.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 83.95
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ID: 683982
Weight: 2.10ct (total)
Size: 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 3.02
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ID: 483672
Weight: 1.45ct
Size: 7.1 x 6 mm
Clarity: VS
Content: 1 pc
Price: $ 124.42
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ID: 505720
Weight: 1.86ct
Size: 11 x 7.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 78.12
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ID: 718302
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.80
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ID: 600418
Weight: 2.56ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 23.65
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ID: 721856
Weight: 17.51ct
Size: 22.1 x 14 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.01
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ID: 647755
Weight: 17.17ct (total)
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 22.67
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ID: 678157
Weight: 1.07ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 7.49
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ID: 678014
Weight: 0.06ct
Size: 1.9 x 1.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.00
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ID: 392828
Weight: 2.64ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 69.70
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ID: 704832
Weight: 24.50ct
Size: 38 x 9.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 2.94
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ID: 422983
Weight: 69.64ct (total)
Size: 15 mm (calibrated)
Clarity: Opaque
Content: 3 pcs
Price: $ 73.54
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ID: 576867
Weight: 6.92ct
Size: 17.6 x 11.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 9.68
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ID: 647941
Weight: 1.72ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS
Price: $ 53.66
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ID: 396536
Weight: 22.13ct
Size: 36.4 x 15.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.06
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ID: 660340
Weight: 8.99ct
Size: 14 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 21.68
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ID: 453746
Weight: 2.12ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 19.58
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ID: 430464
Weight: 2.63ct (total)
Size: 6.1 x 4.2 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 17.36
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ID: 397384
Weight: 9.82ct
Size: 13 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 64.81
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ID: 724672
Weight: 0.21ct
Size: 4.9 x 3.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 35.28
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ID: 631598
Weight: 7.32ct
Size: 16.3 x 10.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 87.84
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ID: 598622
Weight: 1.43ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 28.32
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ID: 533959
Weight: 1.55ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.33
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ID: 636239
Weight: 4.09ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 34.36
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ID: 719068
Weight: 2.62ct
Size: 9 x 7.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 78.60
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ID: 734963
Weight: 2.74ct
Size: 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.70
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ID: 691915
Weight: 0.55ct
Size: 5.4 x 4.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 46.20
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ID: 585073
Weight: 1.14ct (total)
Size: 5 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 7.52
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ID: 730266
Weight: 8.74ct
Size: 19.3 x 13.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 839.04
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ID: 501826
Weight: 1.74ct
Size: 10 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.78
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ID: 661941
Weight: 1.86ct
Size: 7 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.49
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ID: 401620
Weight: 1.10ct
Size: 6.7 x 5.4 mm
Clarity: VS
Content: 1 pc
Price: $ 135.41
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ID: 458065
Weight: 0.76ct
Size: 6.6 x 5.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 80.26
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ID: 631644
Weight: 6.02ct
Size: 13 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 72.24
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ID: 564631
Weight: 0.21ct
Size: 3.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 461.89
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ID: 662143
Weight: 2.20ct
Size: 7 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.30
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ID: 672123
Weight: 0.62ct
Size: 6.5 x 4.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 14.88
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ID: 533862
Weight: 3.73ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 34.46
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ID: 727847
Weight: 0.85ct
Size: 6.2 x 4.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 5.10
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ID: 723770
Weight: 3.81ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.58
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ID: 727024
Weight: 0.76ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 13.68
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ID: 639565
Weight: 15.45ct
Size: 19.6 x 13.2 mm
Clarity: VS
Content: 1 pc
Price: $ 129.78
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ID: 662695
Weight: 1.84ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 44.16
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ID: 710167
Weight: 3.00ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 25.20
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ID: 488065
Weight: 4.50ct
Size: 12.2 x 9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 45.92
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ID: 548043
Weight: 1.27ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 419.10
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ID: 367346
Weight: 1.00ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 139.55
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ID: 435787
Weight: 7.32ct
Size: 15 x 11 mm
Clarity: Transparent
Content: 1 pc
Price: $ 21.78
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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 -> 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

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

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

Posted By Ibie in February, 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

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

Overall Rating -> 10 star ratings

Appreciated the selection. Jadeite is hard to find under $100. Website has alot of variety.

Posted By Jess in February, 2025
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 -> 9 star ratings

I love the gems!

Posted By MM in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.

Posted By Bryan De David in April, 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 -> 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

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

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

Posted By Ibie in February, 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

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

Overall Rating -> 10 star ratings

Appreciated the selection. Jadeite is hard to find under $100. Website has alot of variety.

Posted By Jess in February, 2025
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 -> 9 star ratings

I love the gems!

Posted By MM in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.

Posted By Bryan De David in April, 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