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

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ID: 732053
Weight: 0.54ct
Size: 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 12.96
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ID: 431067
Weight: 3.22ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 76.51
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ID: 714173
Weight: 0.37ct
Size: 4.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 11.10
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ID: 499226
Weight: 1.87ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 33.56
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ID: 718476
Weight: 35.47ct
Size: 37.8 x 23.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 127.69
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ID: 714784
Weight: 0.82ct
Size: 5.2 mm
Clarity: SI
Content: 1 pc
Price: $ 24.60
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ID: 557796
Weight: 0.50ct
Size: 4.7 mm
Clarity: VS
Content: 1 pc
Price: $ 13.80
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ID: 712341
Weight: 2.51ct
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.68
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ID: 694869
Weight: 9.26ct
Size: 14 x 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 277.80
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ID: 464446
Weight: 3.51ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 32.44
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ID: 413713
Weight: 11.06ct
Size: 14 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 364.98
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ID: 688981
Weight: 1.48ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 14.21
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ID: 688697
Weight: 1.66ct
Size: 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 9.14
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ID: 675839
Weight: 6.83ct
Size: 14 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 40.98
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ID: 689694
Weight: 0.63ct
Size: 7.2 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 18.90
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ID: 445745
Weight: 3.93ct
Size: 12.5 x 9.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.68
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ID: 418213
Weight: 4.76ct
Size: 14 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 9.42
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ID: 550357
Weight: 23.14ct (total)
Size: 20.3 x 13.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 34.82
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ID: 461630
Weight: 22.51ct
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 35.65
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ID: 498102
Weight: 29.20ct (total)
Size: 18.9 x 11.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 40.09
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ID: 554915
Weight: 1.14ct
Size: 7.8 x 5.7 mm
Clarity: SI
Content: 1 pc
Price: $ 30.10
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ID: 673212
Weight: 1.03ct
Size: 6.8 x 5.5 mm
Clarity: VS
Content: 1 pc
Price: $ 24.72
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ID: 708837
Weight: 1.35ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 27.88
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ID: 572113
Weight: 1.24ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 39.29
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ID: 594609
Weight: 8.06ct
Size: 16.9 x 10.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 63.84
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ID: 732990
Weight: 1.29ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.96
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ID: 670444
Weight: 0.31ct
Size: 5.4 x 2.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 11.16
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ID: 357705
Weight: 3.67ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 24.23
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ID: 598643
Weight: 2.01ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 132.66
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ID: 456387
Weight: 1.78ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 13.71
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ID: 428161
Weight: 3.37ct (total)
Size: 8 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 8.89
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ID: 424846
Weight: 0.75ct
Size: 7.8 x 3.7 mm
Clarity: VS
Content: 1 pc
Price: $ 29.70
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ID: 706623
Weight: 7.16ct
Size: 12.4 x 10.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.60
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ID: 721180
Weight: 1.14ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 9.58
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ID: 350529
Weight: 2.15ct (total)
Size: 2.9 x 2.9 mm
Clarity: Transparent
Content: 20 pcs
Price: $ 40.92
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ID: 466428
Weight: 5.32ct (total)
Size: 6.5 mm (calibrated)
Clarity: Translucent
Content: 7 pcs
Price: $ 196.63
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ID: 489662
Weight: 1.56ct (total)
Size: 4.5 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 30.89
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ID: 710378
Weight: 2.70ct
Size: 9.4 x 9.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 22.68
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ID: 504814
Weight: 11.93ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 91.86
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ID: 678062
Weight: 11.69ct
Size: 27.5 x 16.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.45
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ID: 678339
Weight: 2.66ct
Size: 7.4 x 6.8 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 95.76
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ID: 727837
Weight: 0.02ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.24
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ID: 314955
Weight: 1.76ct (total)
Size: 5.7 x 4 mm
Clarity: VS
Content: 5 pcs
Price: $ 116.16
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ID: 484042
Weight: 73.93ct
Size: 37.5 x 25.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 146.39
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ID: 687683
Weight: 7.39ct
Size: 18.2 x 9.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.82
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ID: 570007
Weight: 2.00ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 14.74
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ID: 689005
Weight: 4.18ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 23.03
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ID: 344803
Weight: 33.99ct
Size: 23.7 x 20.6 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 60.58
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ID: 662859
Weight: 1.62ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 31.10
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ID: 720472
Weight: 1.81ct
Size: 9 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 174.22
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ID: 718214
Weight: 0.66ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 19.80
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ID: 500218
Weight: 2.02ct (total)
Size: 2.1 mm (calibrated)
Clarity: Transparent
Content: 30 pcs
Price: $ 13.33
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ID: 535402
Weight: 1.17ct
Size: 7 mm (calibrated)
Clarity: VS
Price: $ 9.26
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ID: 464494
Weight: 2.41ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 22.27
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ID: 407293
Weight: 7.27ct
Size: 14.9 x 11.3 mm
Clarity: VS
Content: 1 pc
Price: $ 287.89
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ID: 726061
Weight: 0.38ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 3.65
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ID: 672471
Weight: 4.86ct (total)
Size: 17.5 x 7.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 13.70
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ID: 611436
Weight: 4.39ct
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 17.39
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ID: 497553
Weight: 1.81ct
Size: 8.1 x 6.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 47.78
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ID: 718645
Weight: 17.20ct
Size: 21.7 x 13.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 103.20
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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

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

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 found the website easy to work with. The gemstones are lovely.

Posted By Sophie-Tiger in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

excellent deals-excellent service-fair prices

Posted By JD in April, 2025
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

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

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

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

Overall Rating -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
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

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

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 found the website easy to work with. The gemstones are lovely.

Posted By Sophie-Tiger in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

excellent deals-excellent service-fair prices

Posted By JD in April, 2025
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

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

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

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

Overall Rating -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
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