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

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ID: 678147
Weight: 5.31ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.74
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ID: 403854
Weight: 5.50ct
Size: 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 29.04
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ID: 555838
Weight: 1.39ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.53
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ID: 735010
Weight: 11.38ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 68.28
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ID: 462961
Weight: 4.11ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 32.56
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ID: 328242
Weight: 14.37ct (total)
Size: 12 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 94.85
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ID: 545596
Weight: 1.51ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.98
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ID: 609447
Weight: 19.86ct
Size: 28.6 x 19 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.22
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ID: 728063
Weight: 1.04ct
Size: 6.8 x 6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 6.24
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ID: 530303
Weight: 1.18ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 37.38
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ID: 721897
Weight: 38.25ct
Size: 36.7 x 22.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 45.90
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ID: 387952
Weight: 3.03ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 20.00
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ID: 446223
Weight: 12.93ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 102.41
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ID: 603008
Weight: 2.23ct
Size: 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 64.76
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ID: 460926
Weight: 4.07ct
Size: 12 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 37.61
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ID: 659862
Weight: 1.14ct
Size: 6 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 2.75
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ID: 473502
Weight: 0.57ct
Size: 6.8 x 4.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 41.39
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ID: 551609
Weight: 1.27ct
Size: 7.6 x 5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.78
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ID: 694819
Weight: 15.55ct
Size: 16 x 12 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 466.50
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ID: 480407
Weight: 4.02ct (total)
Size: 5.5 x 5.3 mm
Clarity: Transparent
Content: 10 pcs
Price: $ 8.48
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ID: 366592
Weight: 1.02ct
Size: 7.4 x 5.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 143.22
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ID: 711845
Weight: 0.40ct
Size: 6 x 4 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 1.07
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ID: 636166
Weight: 2.60ct
Size: 9.4 x 7.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 7.61
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ID: 439411
Weight: 3.24ct (total)
Size: 5.1 x 3.2 mm
Clarity: VS
Content: 10 pcs
Price: $ 42.22
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ID: 479291
Weight: 2.30ct (total)
Size: 10.1 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 24.29
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ID: 369036
Weight: 55.92ct
Size: 34.2 x 24.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 46.97
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ID: 480171
Weight: 6.42ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: Translucent
Content: 10 pcs
Price: $ 13.56
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ID: 595252
Weight: 0.72ct
Size: 7.8 x 5.4 mm
Clarity: VS
Content: 1 pc
Price: $ 66.53
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ID: 485343
Weight: 7.84ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 20.70
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ID: 735243
Weight: 2.47ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 118.56
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ID: 465981
Weight: 6.40ct
Size: 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.67
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ID: 431460
Weight: 1.60ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 16.87
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ID: 699841
Weight: 1.06ct
Size: 6.2 x 5.5 mm
Clarity: VS
Content: 1 pc
Price: $ 38.05
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ID: 505357
Weight: 2.26ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 20.88
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ID: 643797
Weight: 0.86ct
Size: 6.4 x 5.4 mm
Clarity: VVS
Price: $ 7.22
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ID: 713745
Weight: 0.78ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.10
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ID: 645229
Weight: 4.24ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 24.07
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ID: 731987
Weight: 2.58ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 99.07
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ID: 497504
Weight: 1.66ct
Size: 7.9 x 6.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 43.82
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ID: 450999
Weight: 2.53ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 23.38
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ID: 698902
Weight: 2.38ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 19.99
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ID: 490308
Weight: 1.32ct
Size: 6.6 x 6.3 mm
Clarity: VS
Content: 1 pc
Price: $ 125.46
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ID: 685474
Weight: 5.30ct
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 7.63
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ID: 559406
Weight: 2.08ct
Size: 7 x 7 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 42.68
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ID: 391229
Weight: 1.15ct
Size: 7.6 x 5.3 mm
Clarity: SI
Content: 1 pc
Price: $ 68.32
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ID: 451199
Weight: 1.51ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 13.96
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ID: 457218
Weight: 1.64ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 15.16
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ID: 698514
Weight: 33.97ct
Size: 25 x 18 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 40.76
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ID: 489154
Weight: 2.32ct (total)
Size: 5 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 45.94
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ID: 491885
Weight: 38.35ct (total)
Size: 28.1 x 12.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 45.05
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ID: 449690
Weight: 5.54ct (total)
Size: 7.5 x 6.4 mm
Clarity: Transparent
Content: 4 pcs
Price: $ 36.56
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ID: 684067
Weight: 0.43ct
Size: 4.7 x 3.7 mm
Clarity: VS
Content: 1 pc
Price: $ 18.06
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ID: 600695
Weight: 32.92ct
Size: 24.1 x 18.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 24.77
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ID: 662988
Weight: 14.78ct (total)
Size: 23.1 x 11.6 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.46
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ID: 503753
Weight: 4.68ct (total)
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 43.25
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ID: 719436
Weight: 0.72ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 6.05
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ID: 612048
Weight: 1.09ct
Size: 5.6 x 5.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 7.20
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ID: 668698
Weight: 0.57ct
Size: 4.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 547.20
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ID: 489940
Weight: 5.29ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 34.98
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ID: 396648
Weight: 1.17ct
Size: 8.3 x 4.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 61.47
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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 -> 9 star ratings

I love wide range of stones. Always have my preference.

Posted By Ray in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mm Thanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have bought from you before and have found your gems exceed my expectations. I have been very satisfied with all gems sent to me. I will be back. Thanks....

Posted By Dork in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very professional site

Posted By JR in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great site always looking for great deals and find them on this site

Posted By IRO5812 in July, 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

I trust this company to deliver exactly what is offered. I have never had to return a selection of Gems. I appreciate the company's detailed description of their product. It helps this customer find mounts before the gems arrive. Any day of the year one can find a wide selection of gems, be it by price, color, cut, lot or single. Pricing does not jump all over the place and stays reasonable. Be assured your items will arrive in perfect condition as the company's shipping department does a great job.

Posted By Miss Sherrie in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I was looking for

Posted By Lincolnpremier in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

This is a wonderful website

Posted By Bryan Diaz in September, 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 -> 9 star ratings

I love wide range of stones. Always have my preference.

Posted By Ray in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mm Thanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have bought from you before and have found your gems exceed my expectations. I have been very satisfied with all gems sent to me. I will be back. Thanks....

Posted By Dork in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very professional site

Posted By JR in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great site always looking for great deals and find them on this site

Posted By IRO5812 in July, 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

I trust this company to deliver exactly what is offered. I have never had to return a selection of Gems. I appreciate the company's detailed description of their product. It helps this customer find mounts before the gems arrive. Any day of the year one can find a wide selection of gems, be it by price, color, cut, lot or single. Pricing does not jump all over the place and stays reasonable. Be assured your items will arrive in perfect condition as the company's shipping department does a great job.

Posted By Miss Sherrie in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I was looking for

Posted By Lincolnpremier in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

This is a wonderful website

Posted By Bryan Diaz in September, 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