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

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ID: 404300
Weight: 10.50ct
Size: 16.5 x 13.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 34.66
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ID: 662734
Weight: 1.51ct
Size: 7.5 x 6.2 mm
Clarity: VS
Content: 1 pc
Price: $ 36.24
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ID: 704530
Weight: 1.59ct
Size: 9.3 x 7.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 47.70
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ID: 606807
Weight: 16.72ct
Size: 21 x 13 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.04
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ID: 420136
Weight: 23.40ct
Size: 24.2 x 19.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 61.78
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ID: 692687
Weight: 6.25ct
Size: 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.00
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ID: 639427
Weight: 3.66ct
Size: 12.1 x 7.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 18.14
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ID: 706780
Weight: 2.11ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.06
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ID: 451261
Weight: 3.28ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 30.31
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ID: 728048
Weight: 0.80ct
Size: 6.2 x 5.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.80
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ID: 721021
Weight: 28.89ct
Size: 27.9 x 18.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.67
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ID: 724829
Weight: 15.33ct
Size: 16.3 x 14.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.47
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ID: 493875
Weight: 5.04ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 36.13
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ID: 674964
Weight: 9.96ct
Size: 18.8 x 13.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.69
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ID: 694552
Weight: 12.80ct
Size: 15 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 107.52
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ID: 636645
Weight: 1.41ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 31.02
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ID: 694401
Weight: 16.45ct
Size: 16 x 16 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 138.18
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ID: 522926
Weight: 68.68ct
Size: 46.2 x 28.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 69.80
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ID: 405224
Weight: 7.13ct
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 50.26
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ID: 618774
Weight: 21.64ct (total)
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 51.94
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ID: 728059
Weight: 1.81ct
Size: 7.4 x 6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 10.86
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ID: 457950
Weight: 3.74ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 34.56
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ID: 706908
Weight: 1.27ct
Size: 10 x 5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 3.05
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ID: 615759
Weight: 2.40ct (total)
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 25.34
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ID: 715542
Weight: 3.76ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.10
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ID: 514721
Weight: 23.20ct
Size: 33 x 9.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 16.85
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ID: 608868
Weight: 2.91ct (total)
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 53.77
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ID: 532518
Weight: 3.59ct
Size: 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 26.08
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ID: 449618
Weight: 2.63ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 17.36
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ID: 407437
Weight: 16.43ct
Size: 15.2 x 12.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 43.38
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ID: 479675
Weight: 2.54ct (total)
Size: 10.1 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 26.82
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ID: 475033
Weight: 1.49ct
Size: 8.1 x 5.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 5.90
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ID: 714110
Weight: 0.39ct
Size: 4 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 11.70
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ID: 712291
Weight: 2.07ct (total)
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 41.33
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ID: 499259
Weight: 1.94ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 34.82
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ID: 479323
Weight: 2.80ct (total)
Size: 10.2 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 29.57
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ID: 719474
Weight: 0.61ct
Size: 5.2 x 4.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 10.98
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ID: 416067
Weight: 1.60ct
Size: 19.8 x 3.2 mm
Clarity: VS
Content: 1 pc
Price: $ 50.69
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ID: 708225
Weight: 3.48ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.76
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ID: 621931
Weight: 9.72ct
Size: 17.6 x 11.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 45.42
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ID: 664640
Weight: 1.36ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 29.38
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ID: 692412
Weight: 38.90ct
Size: 36.4 x 20.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.34
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ID: 737134
Weight: 2.12ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 95.40
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ID: 681824
Weight: 3.08ct
Size: 9.6 x 7.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 3.70
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ID: 709096
Weight: 0.73ct
Size: 5.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 15.07
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ID: 348659
Weight: 3.35ct (total)
Size: 3.8 x 3.7 mm
Clarity: VVS-VS
Content: 10 pcs
Price: $ 30.96
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ID: 492184
Weight: 5.12ct
Size: 14.3 x 10.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 19.26
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ID: 604844
Weight: 3.77ct
Size: 12 x 9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 49.76
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ID: 737180
Weight: 42.52ct
Size: 44.2 x 11 mm
Clarity: Opaque
Content: 1 pc
Price: $ 4.25
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ID: 422014
Weight: 3.85ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 25.42
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ID: 690259
Weight: 12.80ct
Size: 20.1 x 13 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.20
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ID: 548020
Weight: 1.40ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 28.37
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ID: 482145
Weight: 29.06ct (total)
Size: 24.5 x 13.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 37.60
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ID: 734998
Weight: 5.95ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 29.75
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ID: 608283
Weight: 4.68ct
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 36.04
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ID: 721577
Weight: 47.05ct
Size: 27.2 x 24.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 56.46
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ID: 460530
Weight: 3.12ct
Size: 13 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 28.82
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ID: 233278
Weight: 50.59ct
Size: 32.9 x 26.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 66.78
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ID: 388103
Weight: 2.97ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 19.61
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ID: 390903
Weight: 9.08ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 17.98
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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

Great website, no hassle, easy check out and found everything I needed quickly

Posted By Chris in September, 2024
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

Very professional site

Posted By JR in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Always excellent quality and service from GemSelect

Posted By Mike B. in September, 2024
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

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

Very good Hoping you will increase your inventory especially in the 6mm Thanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I love wide range of stones. Always have my preference.

Posted By Ray in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good shopping experience. Website is relatively easy to use. Prices are good.

Posted By Bleep in August, 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

Great website, no hassle, easy check out and found everything I needed quickly

Posted By Chris in September, 2024
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

Very professional site

Posted By JR in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Always excellent quality and service from GemSelect

Posted By Mike B. in September, 2024
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

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

Very good Hoping you will increase your inventory especially in the 6mm Thanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I love wide range of stones. Always have my preference.

Posted By Ray in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good shopping experience. Website is relatively easy to use. Prices are good.

Posted By Bleep in August, 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