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

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ID: 478035
Weight: 30.95ct
Size: 34.3 x 18 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.65
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ID: 393510
Weight: 6.95ct
Size: 12 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 45.88
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ID: 433951
Weight: 2.47ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 16.31
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ID: 475806
Weight: 6.76ct
Size: 16 x 13.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 70.85
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ID: 712935
Weight: 0.92ct
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 18.37
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ID: 305964
Weight: 4.47ct (total)
Size: 10.3 x 6.7 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 29.51
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ID: 453769
Weight: 3.25ct
Size: 13 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 30.04
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ID: 736371
Weight: 30.90ct
Size: 28.7 x 20 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.05
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ID: 348994
Weight: 2.83ct
Size: 19.2 x 4 mm
Clarity: VS
Content: 1 pc
Price: $ 93.40
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ID: 708048
Weight: 15.33ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 14.71
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ID: 701307
Weight: 22.18ct
Size: 23.5 x 12.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 133.08
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ID: 710230
Weight: 5.84ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 49.06
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ID: 554037
Weight: 22.05ct
Size: 15 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 26.78
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ID: 646750
Weight: 0.52ct
Size: 6.6 x 4.7 mm
Clarity: VS
Content: 1 pc
Price: $ 4.37
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ID: 682998
Weight: 9.76ct
Size: 14.4 x 11.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 58.56
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ID: 463151
Weight: 4.59ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 36.35
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ID: 423098
Weight: 14.10ct (total)
Size: 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 26.98
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ID: 482196
Weight: 23.49ct (total)
Size: 22 x 14.9 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 30.38
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ID: 573269
Weight: avg. 0.26 ct / each
Size: 6.1 x 3.1 mm
Clarity: VS
Price: $ 2.25
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ID: 359784
Weight: 28.97ct
Size: 22.3 x 16.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 76.48
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ID: 730851
Weight: 18.50ct
Size: 23.4 x 15.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.64
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ID: 722150
Weight: 18.56ct
Size: 27.8 x 16.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 66.82
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ID: 512896
Weight: 1.80ct
Size: 9 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 38.94
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ID: 561914
Weight: 0.80ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 6.08
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ID: 387702
Weight: 1.93ct (total)
Size: 4 x 3 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 171.41
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ID: 646613
Weight: 0.61ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 5.12
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ID: 725196
Weight: 54.31ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 195.52
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ID: 697616
Weight: 0.71ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 4.26
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ID: 720976
Weight: 0.47ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 8.46
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ID: 387567
Weight: 3.78ct
Size: 12.4 x 9.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 243.65
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ID: 712201
Weight: 2.54ct
Size: 12 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.77
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ID: 704702
Weight: 26.99ct
Size: 32.8 x 10.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 6.48
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ID: 717197
Weight: 1.48ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 30.19
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ID: 663119
Weight: 1.09ct
Size: 6.2 x 5.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 6.54
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ID: 682030
Weight: 0.94ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 16.92
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ID: 551482
Weight: 3.03ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.36
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ID: 376789
Weight: 2.62ct
Size: 8.5 x 6.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 24.20
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ID: 431565
Weight: 1.56ct
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 37.07
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ID: 487910
Weight: 19.96ct
Size: 20.9 x 19.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.76
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ID: 492857
Weight: 6.16ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 44.57
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ID: 611908
Weight: 5.41ct
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 21.42
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ID: 321225
Weight: 1.96ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 103.49
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ID: 392918
Weight: 8.14ct (total)
Size: 12 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 53.72
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ID: 687211
Weight: 0.43ct
Size: 6 x 4.2 mm
Clarity: VS
Price: $ 4.13
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ID: 662827
Weight: 0.86ct
Size: 5.9 x 5.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 5.16
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ID: 717960
Weight: 1.03ct
Size: 6 x 4.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 30.90
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ID: 505832
Weight: 1.36ct
Size: 10 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 36.29
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ID: 706337
Weight: 9.83ct
Size: 16.4 x 9.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 293.95
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ID: 700745
Weight: 1.11ct
Size: 6.3 x 5.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 47.82
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ID: 464258
Weight: 3.70ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 34.19
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ID: 722453
Weight: 13.00ct
Size: 18.7 x 14.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 109.20
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ID: 717175
Weight: 1.55ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 31.62
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ID: 494575
Weight: 3.41ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 28.64
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ID: 523600
Weight: 24.91ct
Size: 31.8 x 21.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.32
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ID: 618137
Weight: 4.61ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 138.30
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ID: 390979
Weight: 1.77ct
Size: 8.5 x 6.9 mm
Clarity: VS
Content: 1 pc
Price: $ 63.53
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ID: 689168
Weight: 0.87ct
Size: 9.1 x 5.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 8.35
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ID: 660667
Weight: 1.19ct
Size: 7.4 x 5.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.56
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ID: 555441
Weight: 0.45ct
Size: 4.6 x 4.5 mm
Clarity: VS
Content: 1 pc
Price: $ 20.46
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ID: 701037
Weight: 36.70ct
Size: 28.5 x 18 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.82
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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 -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love browsing the site and everything is easy to find. There is just so much I get lost for hours. Sometimes I wish there were videos of some gems, but other than that I love shopping with GemSelect and I have referred the site to many people many times. I work in the jewelry industry myself and I love to show off what Ive had made with my gems from GemSelect! Thank you

Posted By Antennaesglow in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones. .

Posted By Steven M. in February, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

great experience

Posted By T in December, 2024
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

Muy serios y muy oportunos para el envo

Posted By Veronica 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

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 -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love browsing the site and everything is easy to find. There is just so much I get lost for hours. Sometimes I wish there were videos of some gems, but other than that I love shopping with GemSelect and I have referred the site to many people many times. I work in the jewelry industry myself and I love to show off what Ive had made with my gems from GemSelect! Thank you

Posted By Antennaesglow in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones. .

Posted By Steven M. in February, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

great experience

Posted By T in December, 2024
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

Muy serios y muy oportunos para el envo

Posted By Veronica 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