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

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ID: 286633
Weight: 4.19ct (total)
Size: 8 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 5 pcs
Price: $ 29.04
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ID: 495453
Weight: 19.91ct (total)
Size: 18.7 x 11.9 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 28.38
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ID: 636965
Weight: 25.09ct (total)
Size: 19.9 x 10.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 90.32
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ID: 727212
Weight: 0.61ct
Size: 8 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 18.30
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ID: 719015
Weight: 0.59ct
Size: 5.2 x 4 mm
Clarity: VVS
Content: 1 pc
Price: $ 10.62
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ID: 693962
Weight: 4.31ct
Size: 12.5 x 9.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.52
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ID: 529750
Weight: 1.33ct
Size: 8.2 x 7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.13
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ID: 712871
Weight: 2.83ct
Size: 14.3 x 7.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 7.54
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ID: 724729
Weight: 0.33ct
Size: 6.9 x 3.7 mm
Clarity: VS
Content: 1 pc
Price: $ 55.44
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ID: 486352
Weight: 26.70ct
Size: 29 x 26.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 27.14
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ID: 439009
Weight: 2.95ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 183.02
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ID: 659280
Weight: 8.35ct
Size: 19.5 x 9.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.04
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ID: 730366
Weight: 0.21ct
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 10.08
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ID: 727961
Weight: 2.48ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 5.95
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ID: 735039
Weight: 0.12ct
Size: 4 x 3 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 100.80
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ID: 645214
Weight: 2.29ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 5.50
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ID: 460842
Weight: 2.40ct
Size: 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 22.18
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ID: 384892
Weight: 4.00ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.96
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ID: 659978
Weight: 3.26ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 7.86
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ID: 341896
Weight: 4.22ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 40.94
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ID: 732480
Weight: 6.80ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 61.44
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ID: 455389
Weight: 1.62ct
Size: 9.9 x 5.1 mm
Clarity: VS
Content: 1 pc
Price: $ 14.96
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ID: 619774
Weight: 13.52ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 35.69
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ID: 500846
Weight: 7.50ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 52.84
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ID: 700178
Weight: 0.30ct
Size: 3.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 18.00
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ID: 558077
Weight: 3.61ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 27.31
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ID: 544839
Weight: 1.54ct
Size: 8.4 x 8.2 mm
Clarity: VVS-VS
Price: $ 11.48
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ID: 706477
Weight: 19.18ct
Size: 17.4 x 15.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.13
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ID: 645886
Weight: 19.03ct
Size: 25.7 x 23.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 59.38
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ID: 714087
Weight: 1.38ct (total)
Size: 5.2 mm
Clarity: SI
Content: 2 pcs
Price: $ 41.40
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ID: 480689
Weight: 2.20ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 20.33
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ID: 691815
Weight: 0.45ct
Size: 4.8 x 4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.50
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ID: 504915
Weight: 7.67ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 50.63
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ID: 477094
Weight: 1.30ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 10.30
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ID: 564403
Weight: 0.93ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 14.16
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ID: 724504
Weight: 0.46ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.80
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ID: 461604
Weight: 1.30ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 55.16
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ID: 325875
Weight: 9.02ct (total)
Size: 9.5 x 6.6 mm
Clarity: Transparent/Translucent
Content: 4 pcs
Price: $ 32.15
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ID: 661851
Weight: 6.28ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.54
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ID: 683101
Weight: 0.69ct
Size: 8.1 x 4.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 12.42
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ID: 720798
Weight: 0.46ct
Size: 8 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 3.86
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ID: 492860
Weight: 5.07ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.67
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ID: 422571
Weight: 8.20ct
Size: 16.5 x 13.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 32.47
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ID: 498894
Weight: 2.04ct (total)
Size: 5 x 4 mm (calibrated)
Clarity: VS-SI
Content: 4 pcs
Price: $ 269.28
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ID: 450613
Weight: 2.15ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 18.06
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ID: 431242
Weight: 3.40ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 80.78
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ID: 721817
Weight: 20.03ct
Size: 26.6 x 18.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 72.11
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ID: 684526
Weight: 0.05ct
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 17.51
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ID: 484263
Weight: 5.43ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 59.73
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ID: 324055
Weight: 3.55ct (total)
Size: 8 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 5 pcs
Price: $ 26.84
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ID: 589847
Weight: 3.60ct (total)
Size: 12.1 x 6 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 76.03
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ID: 520877
Weight: 2.11ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 19.50
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ID: 409414
Weight: 6.62ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 31.55
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ID: 352552
Weight: 4.88ct
Size: 16.3 x 8.4 mm
Clarity: VS
Content: 1 pc
Price: $ 45.10
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ID: 529074
Weight: 1.89ct
Size: 6.7 x 6.1 mm
Clarity: VVS-VS
Price: $ 164.65
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ID: 517365
Weight: 1.04ct
Size: 6.8 x 5.9 mm
Clarity: VS
Content: 1 pc
Price: $ 92.24
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ID: 622970
Weight: 0.83ct
Size: 6.5 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 17.45
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ID: 635373
Weight: 3.00ct
Size: 10.9 x 8.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 79.20
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ID: 304573
Weight: 7.26ct
Size: 12 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 46.01
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ID: 323468
Weight: 11.12ct
Size: 15.2 x 13.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.60
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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

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love, and have always loved, your website.

Posted By Aberabic in July, 2025
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 -> 9 star ratings

I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!

Posted By Leo in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All Good

Posted By Boru in July, 2024
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

Excellent selection and easy to use, well done site

Posted By Steph in December, 2024
Source: Bizrate

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

Always excellent quality and service from GemSelect

Posted By Mike B. 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 -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love, and have always loved, your website.

Posted By Aberabic in July, 2025
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 -> 9 star ratings

I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!

Posted By Leo in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All Good

Posted By Boru in July, 2024
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

Excellent selection and easy to use, well done site

Posted By Steph in December, 2024
Source: Bizrate

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

Always excellent quality and service from GemSelect

Posted By Mike B. 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