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

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ID: 727082
Weight: 1.00ct
Size: 6 x 4.8 mm
Clarity: VS
Content: 1 pc
Price: $ 18.00
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ID: 686589
Weight: 0.20ct (total)
Size: 2.6 x 2.6 mm
Clarity: VS
Content: 2 pcs
Price: $ 9.60
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ID: 622534
Weight: 1.36ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.52
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ID: 652210
Weight: 10.24ct
Size: 25.7 x 19.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.80
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ID: 625263
Weight: 0.89ct
Size: 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 16.52
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ID: 544824
Weight: 0.85ct
Size: 6.9 x 4.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.04
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ID: 722699
Weight: 20.73ct
Size: 26 x 16.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 174.13
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ID: 414439
Weight: 6.36ct
Size: 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 41.98
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ID: 455381
Weight: 1.60ct
Size: 9.8 x 5.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.78
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ID: 695050
Weight: 26.01ct
Size: 18 x 15.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.35
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ID: 687416
Weight: 17.97ct
Size: 23.1 x 15.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 53.05
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ID: 721594
Weight: 8.94ct
Size: 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.94
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ID: 437867
Weight: 2.04ct
Size: 7.6 x 7 mm
Clarity: VS
Content: 1 pc
Price: $ 94.25
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ID: 712480
Weight: 21.36ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 56.90
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ID: 694471
Weight: 21.27ct
Size: 18 x 18 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 178.67
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ID: 545010
Weight: 2.45ct
Size: 10.1 x 6.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 223.15
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ID: 525277
Weight: 1.53ct
Size: 7.3 x 6.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 235.62
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ID: 275898
Weight: 22.71ct
Size: 33 x 13.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 68.14
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ID: 678021
Weight: 0.27ct
Size: 3 x 3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 162.00
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ID: 594620
Weight: 1.69ct
Size: 8.3 x 6.8 mm
Clarity: VS
Content: 1 pc
Price: $ 40.15
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ID: 526900
Weight: 1.03ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.19
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ID: 617889
Weight: 25.42ct
Size: 44.7 x 11.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 167.77
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ID: 688861
Weight: 1.03ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 9.89
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ID: 558117
Weight: 1.78ct (total)
Size: 7 x 5.3 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 4.70
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ID: 733060
Weight: 0.48ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 4.03
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ID: 393535
Weight: 4.88ct
Size: 10.4 x 10.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 32.21
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ID: 700177
Weight: 0.41ct
Size: 4.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 24.60
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ID: 693885
Weight: 5.92ct
Size: 13.1 x 8 mm
Clarity: VS
Content: 1 pc
Price: $ 196.28
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ID: 491705
Weight: 48.28ct (total)
Size: 18 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 56.72
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ID: 702025
Weight: 60.38ct
Size: 40.2 x 14.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 362.28
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ID: 409584
Weight: 12.70ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 60.53
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ID: 631713
Weight: 7.68ct
Size: 14.9 x 10.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 92.16
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ID: 711224
Weight: 2.00ct
Size: 8.5 x 7 mm
Clarity: VS
Content: 1 pc
Price: $ 48.00
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ID: 311148
Weight: 1.33ct
Size: 11 x 7.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 70.22
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ID: 492927
Weight: 5.42ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 39.20
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ID: 391218
Weight: 0.98ct
Size: 7.5 x 5.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 58.21
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ID: 521698
Weight: 2.98ct
Size: 9.6 x 8.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 70.80
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ID: 590261
Weight: 2.52ct
Size: 8.1 x 7.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 16.63
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ID: 698492
Weight: 3.26ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.38
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ID: 393533
Weight: 4.25ct
Size: 10 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 23.38
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ID: 595043
Weight: 12.82ct
Size: 21.2 x 14.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 50.77
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ID: 707083
Weight: 1.29ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 12.38
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ID: 523590
Weight: 34.17ct
Size: 37.6 x 25.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.73
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ID: 450400
Weight: 4.34ct
Size: 13 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 40.10
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ID: 548972
Weight: 3.40ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 22.44
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ID: 542763
Weight: 0.78ct
Size: 6.5 x 4.3 mm
Clarity: VS
Content: 1 pc
Price: $ 34.80
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ID: 715672
Weight: 0.86ct
Size: 7 x 4.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 54.70
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ID: 694321
Weight: 0.77ct
Size: 8.6 x 4 mm
Clarity: VVS
Content: 1 pc
Price: $ 23.10
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ID: 471312
Weight: 26.13ct
Size: 28.4 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 50.36
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ID: 691930
Weight: 0.68ct
Size: 5.7 x 4.9 mm
Clarity: VS
Content: 1 pc
Price: $ 57.12
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ID: 674170
Weight: 15.46ct
Size: 18.6 x 14.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 278.28
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ID: 464424
Weight: 3.33ct (total)
Size: 3.9 x 3.7 mm
Clarity: VS
Content: 10 pcs
Price: $ 30.77
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ID: 474079
Weight: 6.33ct
Size: 11.7 x 8.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.07
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ID: 707867
Weight: 6.01ct
Size: 19.3 x 8.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 43.27
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ID: 479422
Weight: 2.49ct (total)
Size: 10 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 26.29
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ID: 726825
Weight: 0.64ct
Size: 8 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 19.20
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ID: 397342
Weight: 6.56ct
Size: 12 x 12 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 43.30
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ID: 655866
Weight: 6.78ct
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.57
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ID: 683572
Weight: 7.75ct
Size: 15.3 x 11.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 71.80
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ID: 728115
Weight: 2.67ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 6.41
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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

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

great experience

Posted By T in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect website simple to use. I recommend it to non-trade clients looking for gems.

Posted By GemJocky in July, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Ive been looking for a place to buy loose gemstones for years and was thrilled when I found this site

Posted By Bern in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and convenient

Posted By Butch in September, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I love the gems!

Posted By MM in April, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Easy website to navigate, lots of different varieties and options to choose from.

Posted By Brian in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga 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

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

great experience

Posted By T in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect website simple to use. I recommend it to non-trade clients looking for gems.

Posted By GemJocky in July, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Ive been looking for a place to buy loose gemstones for years and was thrilled when I found this site

Posted By Bern in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and convenient

Posted By Butch in September, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I love the gems!

Posted By MM in April, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Easy website to navigate, lots of different varieties and options to choose from.

Posted By Brian in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga 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