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

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ID: 472120
Weight: 15.08ct
Size: 18 x 14.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 139.34
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ID: 308852
Weight: 5.20ct (total)
Size: 8.6 x 7.6 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 19.22
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ID: 504005
Weight: 2.27ct
Size: 7.7 x 7.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 16.00
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ID: 700596
Weight: 0.58ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Price: $ 5.57
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ID: 433863
Weight: 4.52ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 29.83
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ID: 447171
Weight: 1.79ct
Size: 7.1 x 6.6 mm
Clarity: VS
Content: 1 pc
Price: $ 84.59
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ID: 470959
Weight: 2.78ct
Size: 9 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 25.69
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ID: 456211
Weight: 3.74ct
Size: 13 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.56
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ID: 572483
Weight: 2.61ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.12
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ID: 724137
Weight: 7.19ct
Size: 11.2 x 8.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 8.54
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ID: 606435
Weight: 5.30ct
Size: 15.1 x 9.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 69.96
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ID: 718143
Weight: 0.73ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 21.90
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ID: 391930
Weight: 2.59ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 62.16
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ID: 724891
Weight: 0.58ct
Size: 7.4 x 3.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 24.36
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ID: 671119
Weight: 21.49ct
Size: 25 x 18 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 55.44
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ID: 735096
Weight: 1.26ct
Size: 8 x 6 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 75.60
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ID: 381851
Weight: 2.21ct (total)
Size: 5.5 x 4.2 mm
Clarity: VVS-VS
Content: 4 pcs
Price: $ 155.92
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ID: 392686
Weight: 13.75ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 90.76
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ID: 416284
Weight: 1.24ct
Size: 16.2 x 3.7 mm
Clarity: VS
Content: 1 pc
Price: $ 39.29
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ID: 675190
Weight: 18.09ct
Size: 22.3 x 17.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 46.67
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ID: 397453
Weight: 0.90ct
Size: 6.5 x 4.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 56.65
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ID: 711275
Weight: 30.89ct
Size: 26.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 61.54
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ID: 690298
Weight: 8.09ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 31.26
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ID: 561965
Weight: 9.67ct
Size: 19.1 x 10 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.52
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ID: 721800
Weight: 20.40ct
Size: 17 x 15.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 24.48
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ID: 499170
Weight: 2.09ct
Size: 11.6 x 5.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 413.82
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ID: 688365
Weight: 0.39ct
Size: 7.6 x 3.9 mm
Clarity: VS
Content: 1 pc
Price: $ 18.72
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ID: 495362
Weight: 1.80ct
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 38.58
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ID: 704842
Weight: 38.56ct
Size: 39.8 x 11 mm
Clarity: Opaque
Content: 1 pc
Price: $ 4.63
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ID: 194848
Weight: 25.50ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 95.94
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ID: 492070
Weight: 9.87ct
Size: 16.5 x 13.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 37.13
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ID: 387504
Weight: 2.13ct (total)
Size: 4 x 3 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 189.17
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ID: 471600
Weight: 1.23ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 46.33
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ID: 706369
Weight: 15.87ct
Size: 16.3 x 15 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.38
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ID: 464444
Weight: 2.64ct (total)
Size: 4.2 x 4.2 mm
Clarity: VS
Content: 6 pcs
Price: $ 24.40
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ID: 675384
Weight: 1.47ct
Size: 11.1 x 6.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 4.18
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ID: 619969
Weight: 3.97ct
Size: 12 x 1.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 20.08
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ID: 551368
Weight: 1.63ct
Size: 7.2 x 5.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 6.14
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ID: 376855
Weight: 4.84ct (total)
Size: 6.5 x 5.6 mm
Clarity: Transparent
Content: 4 pcs
Price: $ 37.63
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ID: 553719
Weight: 1.82ct
Size: 8.2 x 6.5 mm
Clarity: SI
Content: 1 pc
Price: $ 41.14
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ID: 710817
Weight: 1.28ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 25.56
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ID: 678348
Weight: 3.36ct
Size: 10 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.06
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ID: 695447
Weight: 17.22ct
Size: 19.2 x 13.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.50
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ID: 720886
Weight: 1.38ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 11.59
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ID: 627994
Weight: 1.18ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 21.70
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ID: 573136
Weight: 4.09ct (total)
Size: 12 x 5.8 mm
Clarity: VVS
Content: 2 pcs
Price: $ 43.19
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ID: 505538
Weight: 6.92ct
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 95.24
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ID: 439744
Weight: 0.84ct
Size: 5.5 x 5.5 mm
Clarity: VS
Content: 1 pc
Price: $ 31.04
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ID: 389719
Weight: 3.91ct (total)
Size: 8.2 x 7.3 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 25.81
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ID: 426457
Weight: 9.22ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 42.60
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ID: 706381
Weight: 6.67ct
Size: 10.8 x 10.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.61
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ID: 719808
Weight: 1.07ct
Size: 5.9 x 4.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 19.26
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ID: 497207
Weight: 32.36ct
Size: 30.3 x 20.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.92
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ID: 438839
Weight: 2.79ct (total)
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 54.68
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ID: 394822
Weight: 7.77ct
Size: 12 x 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 51.29
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ID: 712152
Weight: 3.44ct (total)
Size: 9 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 9.17
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ID: 704821
Weight: 2.02ct
Size: 14.1 x 8.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 60.60
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ID: 626585
Weight: 0.56ct
Size: 5.8 x 3.8 mm
Clarity: VS
Content: 1 pc
Price: $ 22.18
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ID: 718160
Weight: 0.73ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 21.90
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ID: 496499
Weight: 2.27ct
Size: 9 x 7.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 47.30
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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 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

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 -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.

Posted By Nate in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have ordered from Genselect before and always had a great experience. My go to source!

Posted By Kycaver in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Had no difficulty with the website. The only difficulty I had today was making the choice of what I wanted to purchase. There are just so many delicious stones to choose from!!

Posted By Desertchick in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Muy serios y muy oportunos para el envo

Posted By Veronica in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
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 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

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 -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.

Posted By Nate in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have ordered from Genselect before and always had a great experience. My go to source!

Posted By Kycaver in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Had no difficulty with the website. The only difficulty I had today was making the choice of what I wanted to purchase. There are just so many delicious stones to choose from!!

Posted By Desertchick in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Muy serios y muy oportunos para el envo

Posted By Veronica in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
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