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

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ID: 730118
Weight: 0.94ct
Size: 5.4 x 5.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 56.40
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ID: 640729
Weight: 1.11ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 31.97
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ID: 718853
Weight: 0.70ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 12.60
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ID: 687744
Weight: 12.70ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 15.24
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ID: 422913
Weight: 3.03ct (total)
Size: 8 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 24.00
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ID: 634965
Weight: 5.63ct
Size: 20 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 47.29
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ID: 666419
Weight: 15.96ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 17.56
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ID: 721890
Weight: 11.30ct
Size: 13.1 x 11.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.56
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ID: 541916
Weight: 2.25ct
Size: 9 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 20.80
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ID: 484088
Weight: 51.95ct
Size: 34.6 x 26.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 102.86
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ID: 698775
Weight: 6.81ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 57.20
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ID: 715454
Weight: 0.74ct
Size: 5.8 x 4.7 mm
Clarity: VS
Content: 1 pc
Price: $ 47.06
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ID: 462637
Weight: 1.88ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 99.26
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ID: 733075
Weight: 0.69ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 5.80
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ID: 492466
Weight: 8.28ct
Size: 19.5 x 9.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.93
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ID: 546486
Weight: 2.87ct
Size: 8.9 x 8.6 mm
Clarity: VS
Content: 1 pc
Price: $ 22.73
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ID: 428521
Weight: 3.30ct (total)
Size: 8 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 8.71
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ID: 494850
Weight: 21.69ct
Size: 28.9 x 15.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 15.46
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ID: 516397
Weight: 29.68ct
Size: 24.3 x 16.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.87
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ID: 572787
Weight: 0.71ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 28.12
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ID: 688859
Weight: 1.06ct
Size: 12.2 x 4.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 10.18
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ID: 500968
Weight: 5.78ct
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 53.41
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ID: 696830
Weight: 0.30ct
Size: 3.7 mm
Clarity: VS
Content: 1 pc
Price: $ 6.48
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ID: 385075
Weight: 10.40ct
Size: 27.6 x 11.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 93.76
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ID: 529070
Weight: 1.10ct
Size: 6.3 x 5.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 95.83
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ID: 428387
Weight: 6.90ct
Size: 12.9 x 10.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 45.54
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ID: 720986
Weight: 20.80ct
Size: 21 x 14.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 24.96
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ID: 712673
Weight: 10.09ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 26.88
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ID: 578248
Weight: 12.07ct (total)
Size: 20.1 x 9.8 mm
Clarity: VS
Content: 2 pcs
Price: $ 111.53
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ID: 733150
Weight: 3.21ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 29.00
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ID: 713671
Weight: 1.40ct
Size: 9.9 x 6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 11.76
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ID: 544412
Weight: 1.18ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.81
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ID: 603173
Weight: 2.75ct
Size: 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 36.30
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ID: 699694
Weight: 0.44ct
Size: 4.3 mm
Clarity: SI
Content: 1 pc
Price: $ 26.40
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ID: 719362
Weight: 0.80ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 6.72
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ID: 435853
Weight: 8.11ct
Size: 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 26.54
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ID: 659868
Weight: 1.69ct
Size: 6 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 4.08
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ID: 439516
Weight: 6.79ct
Size: 14.1 x 11.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 134.45
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ID: 558078
Weight: 3.82ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.90
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ID: 674142
Weight: 0.88ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 36.96
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ID: 657620
Weight: 1.95ct
Size: 10 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 2.34
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ID: 428155
Weight: 5.51ct
Size: 13.8 x 10.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 43.64
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ID: 734959
Weight: 5.05ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 25.25
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ID: 712328
Weight: 11.31ct
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 30.13
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ID: 447313
Weight: 5.56ct
Size: 14 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 183.19
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ID: 387216
Weight: 5.79ct
Size: 17.9 x 9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 30.58
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ID: 371589
Weight: 5.02ct (total)
Size: 8 x 5 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 30.12
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ID: 558083
Weight: 3.63ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 27.46
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ID: 598781
Weight: 3.53ct
Size: 16.4 x 7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 46.60
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ID: 681858
Weight: 0.18ct
Size: 3.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 103.16
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ID: 694432
Weight: 11.24ct (total)
Size: 15.2 x 9.1 mm
Clarity: VVS
Content: 2 pcs
Price: $ 94.42
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ID: 532400
Weight: 5.97ct
Size: 11.6 x 9.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 43.34
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ID: 540024
Weight: 0.87ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.19
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ID: 691468
Weight: 0.34ct
Size: 4 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 20.40
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ID: 677126
Weight: 0.04ct
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 15.70
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ID: 433851
Weight: 4.65ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 30.70
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ID: 712932
Weight: 1.69ct
Size: 9 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.50
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ID: 521235
Weight: 20.07ct
Size: 31.5 x 8.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.57
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ID: 736691
Weight: 1.11ct
Size: 8.2 x 6.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 7.77
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ID: 727302
Weight: 0.87ct
Size: 9.2 x 6.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 26.10
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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

This was a great time as always. The only problem I had was deciding between all the beautiful and affordable stones that met my requirements. I love shopping for sapphires!

Posted By Phoenix in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, package and info of your gems.

Posted By Diana in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have ordered from Genselect before and always had a great experience. My go to source!

Posted By Kycaver in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Nice website I just don't know much about the quality until I receive the stone.

Posted By Becky in December, 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

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 -> 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 -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Loved everything. High quality, quick shipping, and authentication included.

Posted By Chris in March, 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

This was a great time as always. The only problem I had was deciding between all the beautiful and affordable stones that met my requirements. I love shopping for sapphires!

Posted By Phoenix in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, package and info of your gems.

Posted By Diana in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have ordered from Genselect before and always had a great experience. My go to source!

Posted By Kycaver in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Nice website I just don't know much about the quality until I receive the stone.

Posted By Becky in December, 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

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 -> 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 -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Loved everything. High quality, quick shipping, and authentication included.

Posted By Chris in March, 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