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

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ID: 460155
Weight: 1.76ct (total)
Size: 5 mm (calibrated)
Clarity: VS
Content: 3 pcs
Price: $ 41.17
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ID: 562904
Weight: 3.98ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 36.78
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ID: 584842
Weight: 50.87ct
Size: 28.1 x 21.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.54
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ID: 707086
Weight: 1.93ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.63
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ID: 459716
Weight: 4.13ct
Size: 11 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 7.44
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ID: 339010
Weight: 0.93ct
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 50.03
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ID: 618772
Weight: 22.06ct (total)
Size: 22.2 x 16.1 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 52.94
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ID: 617622
Weight: 25.65ct
Size: 25.2 x 16.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.62
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ID: 725015
Weight: 62.74ct
Size: 31.4 x 26 mm
Clarity: Opaque
Content: 1 pc
Price: $ 225.86
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ID: 482260
Weight: 1.96ct
Size: 8.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 14.12
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ID: 367190
Weight: 7.28ct
Size: 14.7 x 9.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 49.49
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ID: 349455
Weight: 1.36ct
Size: 8.3 x 5.6 mm
Clarity: VS
Content: 1 pc
Price: $ 188.50
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ID: 723739
Weight: 33.69ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 40.02
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ID: 675814
Weight: 11.10ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 31.57
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ID: 532252
Weight: 2.38ct (total)
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 17.28
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ID: 519152
Weight: 1.83ct
Size: 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 48.31
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ID: 494860
Weight: 29.81ct
Size: 27 x 20 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 21.25
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ID: 531008
Weight: 3.43ct
Size: 8.7 x 8.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.69
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ID: 605588
Weight: 86.58ct
Size: 37.1 x 30.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 53.71
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ID: 651760
Weight: 10.56ct
Size: 24.4 x 21.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.39
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ID: 491096
Weight: 21.00ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 4 pcs
Price: $ 20.16
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ID: 722686
Weight: 10.73ct
Size: 16.9 x 12.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 90.13
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ID: 642778
Weight: 1.06ct
Size: 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 49.61
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ID: 735237
Weight: 2.95ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 141.60
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ID: 526308
Weight: 1.00ct
Size: 6.3 x 5.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 72.60
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ID: 713823
Weight: 19.24ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 161.62
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ID: 692516
Weight: 22.21ct
Size: 20 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 186.56
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ID: 406667
Weight: 15.49ct
Size: 21.4 x 15.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 63.59
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ID: 514989
Weight: 1.79ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 16.54
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ID: 392564
Weight: 9.45ct (total)
Size: 11 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 62.38
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ID: 724011
Weight: 76.64ct
Size: 26.1 x 22.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 91.04
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ID: 669553
Weight: 26.42ct
Size: 23.3 x 18 mm
Clarity: Opaque
Content: 1 pc
Price: $ 79.26
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ID: 450087
Weight: 27.24ct (total)
Size: 19.6 x 13.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 71.92
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ID: 492537
Weight: 4.95ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 35.81
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ID: 710306
Weight: 2.98ct
Size: 13.4 x 11 mm
Clarity: Opaque
Content: 1 pc
Price: $ 8.69
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ID: 651759
Weight: 13.63ct
Size: 24.4 x 19.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.02
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ID: 471977
Weight: 4.89ct
Size: 11.4 x 9.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 645.48
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ID: 736771
Weight: 4.17ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 187.65
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ID: 640593
Weight: 1.56ct
Size: 8.8 x 6.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 44.93
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ID: 345954
Weight: 18.62ct
Size: 17.3 x 15.1 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 31.96
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ID: 672424
Weight: 1.40ct
Size: 7.5 x 6.3 mm
Clarity: VS
Content: 1 pc
Price: $ 33.60
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ID: 486833
Weight: 28.34ct
Size: 29.1 x 16.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.71
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ID: 727462
Weight: 0.70ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.60
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ID: 367372
Weight: 1.11ct
Size: 7.5 x 5.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 154.91
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ID: 363105
Weight: 7.43ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 49.04
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ID: 370056
Weight: 1.76ct
Size: 21.9 x 3.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 45.25
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ID: 603091
Weight: 6.42ct
Size: 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 77.88
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ID: 486836
Weight: 39.93ct
Size: 37 x 25.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.36
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ID: 694238
Weight: 0.83ct
Size: 8.4 x 3.4 mm
Clarity: VS
Content: 1 pc
Price: $ 24.90
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ID: 458047
Weight: 0.70ct
Size: 9.7 x 4.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 73.92
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ID: 603887
Weight: 23.93ct
Size: 32 x 20.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.26
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ID: 480939
Weight: 3.69ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 31.00
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ID: 715361
Weight: 0.71ct
Size: 7.4 x 4.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 45.16
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ID: 705450
Weight: 15.28ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 14.12
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ID: 348658
Weight: 3.47ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 32.06
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ID: 572182
Weight: 3.04ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 28.09
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ID: 697238
Weight: 0.72ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 4.32
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ID: 672128
Weight: 0.97ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 23.28
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ID: 524588
Weight: 1.19ct
Size: 6.3 x 5.5 mm
Clarity: VS
Content: 1 pc
Price: $ 157.08
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ID: 386408
Weight: 4.74ct (total)
Size: 14.2 x 8.1 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 42.18
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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

Its been a long time since Ive made any purchases Im satisfied with the quality.

Posted By Hard Case in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar

Posted By TheP in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Excellent selection and easy to use, well done site

Posted By Steph in December, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I enjoy doing buisness with GemSelect. It is always a pleasure and you get what you ordered!

Posted By Ballpark in December, 2024
Source: Bizrate

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

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

Its been a long time since Ive made any purchases Im satisfied with the quality.

Posted By Hard Case in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar

Posted By TheP in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Excellent selection and easy to use, well done site

Posted By Steph in December, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I enjoy doing buisness with GemSelect. It is always a pleasure and you get what you ordered!

Posted By Ballpark in December, 2024
Source: Bizrate

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

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