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

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ID: 543907
Weight: 0.22ct
Size: 3.8 mm
Clarity: VS
Content: 1 pc
Price: $ 398.48
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ID: 491768
Weight: 58.28ct (total)
Size: 23.7 x 19 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 68.47
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ID: 728243
Weight: 2.49ct (total)
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 14.94
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ID: 701747
Weight: 7.51ct
Size: 16.6 x 7.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 45.06
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ID: 398214
Weight: 1.76ct
Size: 23.7 x 3.1 mm
Clarity: VS
Content: 1 pc
Price: $ 46.46
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ID: 478269
Weight: 9.65ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 88.40
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ID: 540947
Weight: 2.59ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 68.28
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ID: 721564
Weight: 0.77ct
Size: 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 36.96
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ID: 439019
Weight: 2.14ct
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 132.77
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ID: 706809
Weight: 38.07ct
Size: 38.6 x 24.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.56
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ID: 557844
Weight: 1.45ct
Size: 6.8 x 5.8 mm
Clarity: VS
Content: 1 pc
Price: $ 122.90
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ID: 487385
Weight: 19.06ct
Size: 23.7 x 16.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.09
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ID: 606867
Weight: 24.15ct (total)
Size: 16.9 x 13.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 37.62
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ID: 683642
Weight: 5.86ct
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 54.29
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ID: 663125
Weight: 1.12ct
Size: 6.7 x 5.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 6.72
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ID: 718634
Weight: 6.64ct
Size: 12 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 29.88
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ID: 348360
Weight: 24.72ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 118.66
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ID: 380945
Weight: 1.45ct
Size: 8.7 x 5.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 95.70
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ID: 490738
Weight: 5.50ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 39.94
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ID: 606430
Weight: 4.49ct
Size: 15.1 x 9.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 59.27
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ID: 381957
Weight: 3.82ct (total)
Size: 3.7 mm
Clarity: VS
Content: 20 pcs
Price: $ 202.14
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ID: 691644
Weight: 18.24ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 17.72
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ID: 662149
Weight: 2.28ct
Size: 7 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.50
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ID: 662717
Weight: 1.96ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 16.46
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ID: 730472
Weight: 0.99ct
Size: 9.3 x 4.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 59.40
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ID: 446992
Weight: 2.26ct
Size: 8.1 x 7.6 mm
Clarity: VS
Content: 1 pc
Price: $ 97.09
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ID: 691431
Weight: 1.21ct
Size: 10 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 65.34
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ID: 712446
Weight: 4.91ct (total)
Size: 12 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 13.08
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ID: 599827
Weight: 2.69ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 20.71
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ID: 420169
Weight: 25.64ct
Size: 22.8 x 17.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 50.77
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ID: 737121
Weight: 25.69ct
Size: 41 x 8.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 2.57
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ID: 640514
Weight: 1.30ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 37.44
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ID: 563594
Weight: 2.81ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 18.55
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ID: 383840
Weight: 1.80ct
Size: 15.1 x 3.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 45.38
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ID: 719753
Weight: 1.70ct
Size: 7 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 51.00
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ID: 350914
Weight: 3.79ct (total)
Size: 3.5 x 3.5 mm
Clarity: VS-SI
Content: 15 pcs
Price: $ 35.02
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ID: 381955
Weight: 3.07ct (total)
Size: 3.3 mm
Clarity: VS
Content: 20 pcs
Price: $ 162.47
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ID: 346888
Weight: 1.43ct
Size: 17.4 x 3.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 58.14
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ID: 736783
Weight: 5.37ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 26.85
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ID: 386334
Weight: 10.44ct
Size: 19 x 8.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 41.34
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ID: 712353
Weight: 2.43ct
Size: 9.8 x 6.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 6.47
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ID: 717917
Weight: 2.13ct (total)
Size: 6 x 4.8 mm
Clarity: VVS
Content: 2 pcs
Price: $ 63.90
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ID: 534228
Weight: 1.56ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.10
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ID: 693258
Weight: 9.22ct
Size: 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 22.13
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ID: 674980
Weight: 21.20ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 19.08
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ID: 701950
Weight: 10.21ct
Size: 15.8 x 9.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 61.26
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ID: 427646
Weight: 2.18ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 14.39
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ID: 690771
Weight: 1.68ct
Size: 7 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 100.80
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ID: 436743
Weight: 2.67ct
Size: 10.4 x 7.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 8.68
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ID: 397929
Weight: 9.33ct (total)
Size: 8.5 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 61.58
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ID: 636185
Weight: 0.98ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 28.22
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ID: 712525
Weight: 2.40ct
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.40
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ID: 621026
Weight: 4.37ct (total)
Size: 12 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 40.38
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ID: 645884
Weight: 12.38ct
Size: 20.9 x 18.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.63
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ID: 700090
Weight: 13.48ct
Size: 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.94
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ID: 730062
Weight: 5.24ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 46.91
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ID: 719759
Weight: 4.21ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 126.30
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ID: 382052
Weight: 1.57ct
Size: 6 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 4,418.17
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ID: 538356
Weight: 1.64ct
Size: 11.4 x 4.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 149.38
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ID: 542565
Weight: 1.27ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 10.06
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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

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

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
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 -> 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 -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
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

It was very good and concise.

Posted By Whydothey in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight 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

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

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

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
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 -> 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 -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
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

It was very good and concise.

Posted By Whydothey in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight 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