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

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ID: 712018
Weight: 12.79ct
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 34.07
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ID: 735048
Weight: 0.07ct
Size: 3.5 x 2.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 58.80
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ID: 347761
Weight: 26.95ct
Size: 20 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 32.34
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ID: 428211
Weight: 3.84ct (total)
Size: 8 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 8.45
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ID: 328751
Weight: 20.28ct
Size: 18 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 32.12
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ID: 699579
Weight: 5.71ct
Size: 15.6 x 10.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 5.48
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ID: 455782
Weight: 2.50ct
Size: 12 x 6.2 mm
Clarity: VS
Content: 1 pc
Price: $ 23.10
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ID: 692503
Weight: 20.96ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 176.06
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ID: 367743
Weight: 4.41ct
Size: 13.4 x 7.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 29.75
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ID: 453464
Weight: 1.16ct
Size: 8 x 5.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 63.80
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ID: 727230
Weight: 0.73ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.14
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ID: 725874
Weight: 0.74ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 7.10
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ID: 500688
Weight: 113.52ct
Size: 29.4 x 26 mm
Clarity: Transparent
Content: 1 pc
Price: $ 224.77
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ID: 626753
Weight: 1.26ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 12.40
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ID: 454362
Weight: 0.91ct
Size: 11.2 x 4.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.94
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ID: 712807
Weight: 1.36ct
Size: 7.7 x 5.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 27.16
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ID: 693986
Weight: 1.61ct
Size: 8.2 x 5.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 96.60
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ID: 677975
Weight: 0.31ct (total)
Size: 2.7 x 2.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 186.00
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ID: 422744
Weight: 0.68ct
Size: 6.6 x 3.8 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 26.08
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ID: 558252
Weight: 7.54ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 57.02
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ID: 386700
Weight: 5.46ct
Size: 20.1 x 9.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 44.16
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ID: 389842
Weight: 2.85ct (total)
Size: 2.4 mm (calibrated)
Clarity: VS-SI
Content: 40 pcs
Price: $ 266.69
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ID: 716404
Weight: 0.31ct
Size: 4.7 x 4.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 19.72
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ID: 463893
Weight: 3.98ct
Size: 10.5 mm
Clarity: VVS-VS
Price: $ 7.88
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ID: 673945
Weight: 4.75ct
Size: 13 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 68.34
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ID: 700368
Weight: 0.85ct
Size: 6.4 x 4.9 mm
Clarity: VS
Content: 1 pc
Price: $ 36.62
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ID: 734950
Weight: 4.62ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 27.72
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ID: 705988
Weight: 0.69ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Price: $ 5.80
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ID: 440418
Weight: 0.95ct
Size: 6.4 x 5.8 mm
Clarity: VS
Content: 1 pc
Price: $ 29.26
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ID: 647380
Weight: 1.66ct
Size: 8.6 x 6.1 mm
Clarity: VS
Content: 1 pc
Price: $ 37.85
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ID: 328606
Weight: 11.36ct
Size: 16 x 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 17.99
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ID: 640374
Weight: 1.25ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.00
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ID: 694756
Weight: 5.06ct
Size: 9.7 x 8.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 151.80
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ID: 500855
Weight: 8.50ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 65.87
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ID: 737349
Weight: 3.91ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 175.95
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ID: 550791
Weight: 46.16ct
Size: 39.1 x 16.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 73.12
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ID: 721582
Weight: 30.98ct
Size: 28.9 x 20.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 37.18
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ID: 604480
Weight: 1.92ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 55.75
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ID: 392443
Weight: 6.68ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 26.45
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ID: 727384
Weight: 0.46ct
Size: 8 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 13.80
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ID: 710420
Weight: 2.82ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 23.69
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ID: 723265
Weight: 1.72ct
Size: 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 16.51
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ID: 454187
Weight: 0.77ct
Size: 9.2 x 3.8 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 32.52
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ID: 730974
Weight: 1.60ct
Size: 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 12.80
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ID: 553493
Weight: 1.76ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 10.60
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ID: 691554
Weight: 0.70ct
Size: 11.4 x 4.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 37.80
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ID: 712296
Weight: 2.30ct (total)
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 45.92
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ID: 687916
Weight: 2.10ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 2.52
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ID: 699832
Weight: 0.70ct
Size: 6.2 x 4.5 mm
Clarity: VS
Content: 1 pc
Price: $ 30.16
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ID: 422982
Weight: 46.04ct (total)
Size: 15 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 48.61
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ID: 484341
Weight: 5.28ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 69.70
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ID: 619984
Weight: 4.56ct
Size: 13 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 60.19
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ID: 720984
Weight: 26.98ct
Size: 21.3 x 15.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.38
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ID: 566475
Weight: 0.64ct
Size: 6 x 4 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 16.06
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ID: 598433
Weight: 34.74ct
Size: 31.1 x 20.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.68
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ID: 712356
Weight: 5.13ct
Size: 16 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 13.67
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ID: 362416
Weight: 2.18ct
Size: 23 x 3.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 71.94
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ID: 392185
Weight: 13.89ct
Size: 15 x 15 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 91.68
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ID: 418267
Weight: 6.25ct
Size: 15 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 12.38
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ID: 606512
Weight: 1.96ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.17
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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 really liked the email, and the link that help return me to the site. I didnt have access to my card info while checking out and I had to put my phone away so I lost the tab. Fortunately, since I did give an email- they sent me a link that brought me back to where I was. Greatly appreciated

Posted By Jag in January, 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

I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.

Posted By Sam in March, 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

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

I was able to find what I was looking for

Posted By Lincolnpremier in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It's mostly good, only some item's are easier to find through the search than the menu

Posted By Wayne in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

So far, my experience was great...Thanks

Posted By Kaydi in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 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 really liked the email, and the link that help return me to the site. I didnt have access to my card info while checking out and I had to put my phone away so I lost the tab. Fortunately, since I did give an email- they sent me a link that brought me back to where I was. Greatly appreciated

Posted By Jag in January, 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

I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.

Posted By Sam in March, 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

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

I was able to find what I was looking for

Posted By Lincolnpremier in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It's mostly good, only some item's are easier to find through the search than the menu

Posted By Wayne in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

So far, my experience was great...Thanks

Posted By Kaydi in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 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