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

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ID: 492619
Weight: 5.04ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.46
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ID: 725727
Weight: 0.35ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 3.36
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ID: 528685
Weight: 1.38ct
Size: 7.4 x 5.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 120.23
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ID: 622740
Weight: 0.37ct
Size: 4.6 x 4 mm
Clarity: VS
Content: 1 pc
Price: $ 24.42
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ID: 456692
Weight: 1.96ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 18.11
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ID: 722645
Weight: 15.29ct
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 128.44
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ID: 718560
Weight: 16.75ct
Size: 26.6 x 15.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 100.50
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ID: 662145
Weight: 1.63ct
Size: 7 x 7 mm (calibrated)
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 3.94
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ID: 462486
Weight: 1.64ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 86.59
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ID: 544252
Weight: 1.14ct
Size: 7.7 x 7.6 mm
Clarity: VVS-VS
Price: $ 8.50
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ID: 488752
Weight: 2.01ct (total)
Size: 8 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 10.61
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ID: 704851
Weight: 1.57ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 47.10
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ID: 366684
Weight: 8.48ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 48.41
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ID: 348240
Weight: 53.88ct
Size: 43.3 x 28.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 71.12
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ID: 547554
Weight: 3.08ct
Size: 9 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 20.33
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ID: 661902
Weight: 1.86ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.62
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ID: 639865
Weight: 0.42ct
Size: 5.3 x 3.7 mm
Clarity: VS
Content: 1 pc
Price: $ 22.18
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ID: 685244
Weight: 14.20ct
Size: 23.8 x 17.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.15
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ID: 675900
Weight: 1.11ct
Size: 6.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 3.16
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ID: 724753
Weight: 0.17ct (total)
Size: 2.9 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 23.80
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ID: 461174
Weight: 4.54ct
Size: 12 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.95
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ID: 715451
Weight: 0.44ct
Size: 5 x 4.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 27.98
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ID: 686069
Weight: 0.20ct (total)
Size: 2.6 x 2.6 mm
Clarity: VS
Content: 2 pcs
Price: $ 9.60
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ID: 417149
Weight: 8.17ct
Size: 16 x 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 16.19
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ID: 519743
Weight: 1.36ct
Size: 6.5 x 5.4 mm
Clarity: VS
Content: 1 pc
Price: $ 120.64
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ID: 728204
Weight: 0.82ct
Size: 6 x 5.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.92
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ID: 438973
Weight: 7.05ct
Size: 23.1 x 8.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 20.20
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ID: 620834
Weight: 1.52ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 12.77
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ID: 368578
Weight: 1.90ct
Size: 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 12.35
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ID: 645479
Weight: 24.48ct
Size: 20 x 16 mm
Clarity: Opaque
Content: 1 pc
Price: $ 121.03
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ID: 423105
Weight: 25.32ct (total)
Size: 9 mm (calibrated)
Clarity: Transparent
Content: 5 pcs
Price: $ 33.42
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ID: 650081
Weight: 2.15ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 18.06
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ID: 530088
Weight: 1.20ct
Size: 7.5 x 4.6 mm
Clarity: VS
Content: 1 pc
Price: $ 104.54
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ID: 447538
Weight: 2.00ct
Size: 7.4 x 7.2 mm
Clarity: VS
Content: 1 pc
Price: $ 94.88
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ID: 660636
Weight: 8.43ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 10.12
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ID: 658558
Weight: 18.36ct
Size: 16.8 x 14.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.88
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ID: 434051
Weight: 5.78ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 38.15
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ID: 712450
Weight: 10.96ct (total)
Size: 16 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 29.20
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ID: 392693
Weight: 15.15ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 100.00
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ID: 710787
Weight: 29.36ct
Size: 23.1 x 18 mm
Clarity: Opaque
Content: 1 pc
Price: $ 52.85
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ID: 711609
Weight: 1.07ct
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 21.36
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ID: 582755
Weight: 5.39ct
Size: 13 x 10 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.46
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ID: 599134
Weight: 6.04ct
Size: 12 x 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 19.93
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ID: 572112
Weight: 1.24ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 35.71
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ID: 554209
Weight: 0.93ct
Size: 7.5 x 5.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 24.55
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ID: 484354
Weight: 1.20ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 15.84
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ID: 566488
Weight: 17.33ct (total)
Size: 20.8 x 13.9 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 39.58
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ID: 524595
Weight: 1.27ct
Size: 6.3 x 6.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 125.74
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ID: 376669
Weight: 1.83ct
Size: 8 x 6.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 14.23
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ID: 548025
Weight: 2.13ct
Size: 8 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 43.16
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ID: 655963
Weight: 11.75ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 18.34
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ID: 706907
Weight: 3.72ct
Size: 14 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 8.93
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ID: 713701
Weight: 15.91ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 133.64
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ID: 565668
Weight: 0.93ct
Size: 6.5 x 4.7 mm
Clarity: VS
Content: 1 pc
Price: $ 21.16
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ID: 721620
Weight: 6.51ct
Size: 19.1 x 13.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.44
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ID: 711837
Weight: 16.25ct
Size: 16.8 x 13.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.38
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ID: 656170
Weight: 1.29ct
Size: 10 x 5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 2.02
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ID: 597476
Weight: 26.52ct
Size: 17.7 x 16.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 69.96
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ID: 494418
Weight: 1.77ct
Size: 12 x 6.1 mm
Clarity: VS
Content: 1 pc
Price: $ 14.02
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ID: 501536
Weight: 24.82ct (total)
Size: 22.5 x 22.4 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 49.14
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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

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones..

Posted By Steven M. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Everything went well, the payment options are easily declined but, but once sorted out, everything is smooth. I have bought from GemSelect before and am consistently satisfied with them.

Posted By Gabe in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 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

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones. .

Posted By Steven M. in February, 2025
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

Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Site is easy to navigate - details on cut, polish, and finish work and techniques were helpful. 3d view or wireframe diagram of stones would be nice.

Posted By Tb in August, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I did not have any problems

Posted By Clilrichard in January, 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

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones..

Posted By Steven M. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Everything went well, the payment options are easily declined but, but once sorted out, everything is smooth. I have bought from GemSelect before and am consistently satisfied with them.

Posted By Gabe in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 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

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones. .

Posted By Steven M. in February, 2025
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

Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Site is easy to navigate - details on cut, polish, and finish work and techniques were helpful. 3d view or wireframe diagram of stones would be nice.

Posted By Tb in August, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I did not have any problems

Posted By Clilrichard in January, 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