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

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ID: 728114
Weight: 2.54ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 6.10
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ID: 699164
Weight: 3.50ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 29.40
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ID: 505650
Weight: 2.43ct
Size: 10 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 160.38
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ID: 725287
Weight: 14.95ct
Size: 15.7 x 14.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.04
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ID: 484045
Weight: 42.28ct
Size: 29.6 x 21.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 83.71
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ID: 351749
Weight: 2.85ct (total)
Size: 5 x 4.8 mm
Clarity: Transparent
Content: 10 pcs
Price: $ 75.24
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ID: 428010
Weight: 27.33ct
Size: 35.7 x 13 mm
Clarity: Opaque
Content: 1 pc
Price: $ 24.17
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ID: 631687
Weight: 0.84ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 25.20
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ID: 577890
Weight: 30.96ct
Size: 31.5 x 21.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.97
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ID: 464217
Weight: 3.85ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 35.58
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ID: 333946
Weight: 2.29ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 108.82
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ID: 714465
Weight: 0.77ct
Size: 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 23.10
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ID: 734694
Weight: 46.63ct
Size: 28.8 x 19.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 373.04
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ID: 532315
Weight: 4.45ct
Size: 15 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 35.24
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ID: 642614
Weight: 1.28ct
Size: 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 59.90
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ID: 384117
Weight: 15.11ct
Size: 22 x 16.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 59.83
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ID: 583723
Weight: 3.28ct
Size: 13.3 x 10.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 8.66
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ID: 521476
Weight: 127.53ct
Size: 31.9 x 29.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 336.68
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ID: 533403
Weight: 1.56ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 12.42
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ID: 519531
Weight: 2.60ct
Size: 8 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 68.64
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ID: 546878
Weight: 3.06ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 24.24
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ID: 725567
Weight: 2.22ct (total)
Size: 7.1 x 6 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 87.94
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ID: 699006
Weight: 0.60ct
Size: 5.5 x 4.7 mm
Clarity: VS
Content: 1 pc
Price: $ 36.00
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ID: 519117
Weight: 30.78ct
Size: 23.2 x 17.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.16
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ID: 730140
Weight: 100.79ct
Size: 43.4 x 29.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 96.76
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ID: 718159
Weight: 0.70ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 21.00
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ID: 392756
Weight: 13.63ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 89.96
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ID: 578251
Weight: 7.02ct (total)
Size: 14 x 8.1 mm
Clarity: VVS
Content: 2 pcs
Price: $ 64.86
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ID: 713394
Weight: 14.44ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 121.30
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ID: 572180
Weight: 3.03ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 28.00
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ID: 547384
Weight: 1.17ct
Size: 6.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 7.32
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ID: 669555
Weight: 34.72ct
Size: 24 x 20 mm
Clarity: Opaque
Content: 1 pc
Price: $ 104.16
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ID: 617765
Weight: 2.23ct
Size: 8.5 x 7.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 47.42
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ID: 521414
Weight: 28.28ct
Size: 26.2 x 15 mm
Clarity: Opaque
Content: 1 pc
Price: $ 142.60
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ID: 454929
Weight: 2.77ct
Size: 11.9 x 6.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.60
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ID: 481920
Weight: 2.48ct (total)
Size: 4 x 3 mm (calibrated)
Clarity: VS
Content: 20 pcs
Price: $ 157.56
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ID: 700143
Weight: 0.82ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Price: $ 7.87
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ID: 406938
Weight: 9.99ct
Size: 14.8 x 11.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 37.19
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ID: 359627
Weight: 21.08ct
Size: 22.2 x 16.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 55.66
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ID: 698554
Weight: 1.41ct
Size: 6.4 x 6.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 8.46
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ID: 724468
Weight: 0.23ct
Size: 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 38.64
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ID: 550746
Weight: 1.36ct
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 16.42
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ID: 675229
Weight: 4.11ct
Size: 11 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 24.66
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ID: 733062
Weight: 0.39ct
Size: 4.8 x 4.9 mm
Clarity: VS
Price: $ 3.28
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ID: 393377
Weight: 4.22ct
Size: 10 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 27.85
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ID: 554062
Weight: 0.83ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 6.58
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ID: 682716
Weight: 0.22ct
Size: 3.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 126.10
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ID: 688693
Weight: 2.05ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.29
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ID: 712087
Weight: 4.79ct (total)
Size: 12 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 12.76
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ID: 685925
Weight: 27.94ct
Size: 28.8 x 20.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.57
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ID: 700941
Weight: 18.16ct
Size: 19 x 18 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.44
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ID: 471658
Weight: 1.28ct (total)
Size: 4.9 x 3.9 mm
Clarity: VS
Content: 4 pcs
Price: $ 168.96
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ID: 531554
Weight: 2.43ct
Size: 7.7 x 6.9 mm
Clarity: SI
Content: 1 pc
Price: $ 106.92
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ID: 694815
Weight: 3.02ct
Size: 7.8 x 7.2 mm
Clarity: VS
Content: 1 pc
Price: $ 90.60
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ID: 672921
Weight: 0.81ct
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 2.92
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ID: 736703
Weight: 1.39ct
Size: 9.1 x 7.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.73
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ID: 698692
Weight: 1.73ct
Size: 7 x 6.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 10.38
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ID: 494408
Weight: 1.53ct
Size: 11.8 x 6 mm
Clarity: VS
Price: $ 12.12
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ID: 713064
Weight: 4.77ct (total)
Size: 12 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 12.71
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ID: 408823
Weight: 10.08ct
Size: 15 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 42.34
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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

Im not a jeweler, I buy for my personal use. My dad was a jewelry maker and I love gemstones.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.

Posted By Desertchick in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to find what I wanted

Posted By Villian in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 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 -> 10 star ratings

Muy serios y muy oportunos para el envo

Posted By Veronica in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I found exactly what I was looking for and ordered it. I like how you give information on the stones I'm buying. Glad I found you!

Posted By TheP in April, 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

easy site to navigate

Posted By Curt's Cabochons in June, 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

Im not a jeweler, I buy for my personal use. My dad was a jewelry maker and I love gemstones.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.

Posted By Desertchick in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to find what I wanted

Posted By Villian in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 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 -> 10 star ratings

Muy serios y muy oportunos para el envo

Posted By Veronica in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I found exactly what I was looking for and ordered it. I like how you give information on the stones I'm buying. Glad I found you!

Posted By TheP in April, 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

easy site to navigate

Posted By Curt's Cabochons in June, 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