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

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ID: 682345
Weight: 20.54ct
Size: 21 x 14.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 197.18
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ID: 602870
Weight: 3.09ct
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 28.55
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ID: 400083
Weight: 6.10ct (total)
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 20.14
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ID: 546332
Weight: 1.49ct
Size: 10.6 x 7.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 59.00
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ID: 732855
Weight: 0.90ct
Size: 6.3 x 6.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 7.56
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ID: 672083
Weight: 1.51ct
Size: 7.6 x 5.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 5.44
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ID: 696810
Weight: 0.56ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Price: $ 3.36
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ID: 712646
Weight: 2.68ct
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 7.14
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ID: 685628
Weight: 0.08ct (total)
Size: 1.9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 28.01
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ID: 680713
Weight: 1.01ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 30.30
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ID: 416294
Weight: 0.80ct
Size: 12.9 x 2.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.34
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ID: 389486
Weight: 2.53ct (total)
Size: 6.6 x 5.9 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 16.70
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ID: 660219
Weight: 2.04ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 48.96
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ID: 451429
Weight: 4.78ct
Size: 12 x 11.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 37.86
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ID: 639073
Weight: 0.97ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 24.32
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ID: 364077
Weight: 19.96ct
Size: 18.1 x 16.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 39.52
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ID: 619137
Weight: 16.61ct (total)
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 39.86
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ID: 378629
Weight: 9.76ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 38.65
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ID: 575183
Weight: 0.71ct
Size: 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 74.98
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ID: 683153
Weight: 4.50ct
Size: 12 x 8.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.69
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ID: 682032
Weight: 0.86ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.48
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ID: 499337
Weight: 2.60ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 24.02
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ID: 502960
Weight: 1.54ct
Size: 15 x 3.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 50.82
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ID: 585379
Weight: 15.40ct
Size: 16 x 16 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 145.55
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ID: 612064
Weight: 1.04ct
Size: 7 x 6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 24.55
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ID: 671992
Weight: 0.85ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 20.40
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ID: 412449
Weight: 5.02ct
Size: 12.6 x 9.5 mm
Clarity: VS
Content: 1 pc
Price: $ 1,153.00
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ID: 529420
Weight: 7.32ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 28.99
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ID: 687151
Weight: 1.42ct
Size: 7 x 7 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 13.63
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ID: 460599
Weight: 3.16ct
Size: 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 29.20
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ID: 446028
Weight: 5.53ct
Size: 14.3 x 10.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 40.37
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ID: 724871
Weight: 0.88ct
Size: 10.7 x 3.1 mm
Clarity: VS
Content: 1 pc
Price: $ 36.96
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ID: 277022
Weight: 37.19ct
Size: 32.6 x 23.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 49.21
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ID: 720266
Weight: 0.82ct
Size: 6.1 x 4.8 mm
Clarity: VS
Content: 1 pc
Price: $ 78.92
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ID: 418889
Weight: 4.61ct
Size: 15 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 9.13
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ID: 448378
Weight: 1.49ct
Size: 8 mm (calibrated)
Clarity: VVS-VS
Price: $ 7.87
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ID: 400708
Weight: 4.76ct
Size: 10 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 31.42
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ID: 602224
Weight: 3.45ct
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 31.88
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ID: 724856
Weight: 27.55ct
Size: 24.4 x 16.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 99.18
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ID: 575437
Weight: 3.11ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 90.31
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ID: 694220
Weight: 0.91ct
Size: 14.1 x 3.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 27.30
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ID: 567101
Weight: 45.93ct
Size: 38.1 x 22.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 103.67
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ID: 733045
Weight: 0.48ct
Size: 9.1 x 4.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 20.16
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ID: 449876
Weight: 2.41ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 21.11
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ID: 350839
Weight: 1.81ct
Size: 16.3 x 3.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 52.56
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ID: 612866
Weight: 7.27ct
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.79
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ID: 712459
Weight: 3.93ct
Size: 12 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 10.46
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ID: 688012
Weight: 19.73ct
Size: 17 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 57.77
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ID: 717018
Weight: 6.67ct
Size: 14.5 x 10.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.73
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ID: 492788
Weight: 5.41ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.14
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ID: 708257
Weight: 1.81ct
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 37.38
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ID: 697217
Weight: 0.54ct (total)
Size: 3.8 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 11.66
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ID: 348790
Weight: 44.33ct
Size: 39.2 x 18.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 58.51
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ID: 610317
Weight: 5.64ct
Size: 22.2 x 8.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 7.44
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ID: 450994
Weight: 2.87ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 26.52
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ID: 388633
Weight: 1.06ct
Size: 8.5 x 4.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 68.06
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ID: 694846
Weight: 4.77ct
Size: 11.5 x 10.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 32.98
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ID: 600293
Weight: 19.44ct
Size: 23.9 x 14.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.68
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ID: 678051
Weight: 0.29ct (total)
Size: 2.5 x 2.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 174.00
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ID: 692136
Weight: 0.31ct
Size: 4 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 18.60
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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

I always enjoy the selection and the unique cuts I can find here. I would love to see more hex cuts tho! Maybe some rose cuts too!

Posted By Blkfower83 in October, 2024
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 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

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 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

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

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

All Good

Posted By Boru in July, 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

I always enjoy the selection and the unique cuts I can find here. I would love to see more hex cuts tho! Maybe some rose cuts too!

Posted By Blkfower83 in October, 2024
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 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

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 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

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

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

All Good

Posted By Boru in July, 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