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

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ID: 699276
Weight: 1.62ct
Size: 6.8 x 6.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 9.72
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ID: 422571
Weight: 8.20ct
Size: 16.5 x 13.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 32.47
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ID: 534258
Weight: 1.48ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.68
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ID: 391211
Weight: 1.12ct
Size: 7.5 x 5.3 mm
Clarity: SI
Content: 1 pc
Price: $ 55.44
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ID: 541535
Weight: 3.16ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 63.49
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ID: 718033
Weight: 1.00ct
Size: 5.8 x 4.9 mm
Clarity: VS
Content: 1 pc
Price: $ 30.00
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ID: 603060
Weight: 2.90ct
Size: 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 38.28
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ID: 737357
Weight: 4.46ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 200.70
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ID: 460695
Weight: 2.78ct
Size: 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.69
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ID: 490704
Weight: 5.61ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 40.74
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ID: 678875
Weight: 6.10ct
Size: 17 x 11.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 36.60
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ID: 694683
Weight: 0.45ct
Size: 5 x 3.3 mm
Clarity: VS
Content: 1 pc
Price: $ 16.20
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ID: 474579
Weight: 1.64ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 15.16
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ID: 503529
Weight: 3.05ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 8 pcs
Price: $ 28.19
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ID: 720805
Weight: 0.46ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 3.86
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ID: 682438
Weight: 8.77ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.77
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ID: 427090
Weight: 2.30ct (total)
Size: 9 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 18.22
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ID: 713939
Weight: 0.80ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 13.44
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ID: 464247
Weight: 4.59ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 38.56
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ID: 612259
Weight: 0.58ct
Size: 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.65
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ID: 698543
Weight: 1.07ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 8.99
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ID: 559913
Weight: 4.38ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 40.48
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ID: 533561
Weight: 2.40ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 17.40
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ID: 439303
Weight: 9.58ct
Size: 19.6 x 10 mm
Clarity: Transparent
Content: 1 pc
Price: $ 22.87
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ID: 710483
Weight: 9.85ct
Size: 15 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 313.24
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ID: 707884
Weight: 5.58ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 5.35
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ID: 689045
Weight: 1.04ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.20
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ID: 416184
Weight: 1.76ct
Size: 16.4 x 3.6 mm
Clarity: VS
Content: 1 pc
Price: $ 55.75
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ID: 716128
Weight: 3.86ct (total)
Size: 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 37.06
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ID: 720257
Weight: 1.23ct
Size: 6.8 x 5.6 mm
Clarity: VS
Content: 1 pc
Price: $ 118.39
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ID: 587282
Weight: 1.23ct
Size: 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 113.65
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ID: 569906
Weight: 2.30ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 14.11
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ID: 655528
Weight: 2.04ct
Size: 12 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 3.18
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ID: 699661
Weight: 1.08ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 10.37
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ID: 684038
Weight: 0.47ct (total)
Size: 4 x 3.2 mm
Clarity: VS
Content: 2 pcs
Price: $ 19.74
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ID: 735998
Weight: 21.10ct
Size: 34.8 x 16.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 17.47
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ID: 721410
Weight: 45.32ct
Size: 31.8 x 21.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 54.38
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ID: 472164
Weight: 7.32ct
Size: 12.8 x 10.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 28.99
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ID: 435841
Weight: 3.03ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 28.06
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ID: 719563
Weight: 0.76ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 6.38
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ID: 534208
Weight: 0.93ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 8.59
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ID: 696394
Weight: 18.51ct
Size: 28.8 x 19.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.33
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ID: 318387
Weight: 1.09ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 60.43
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ID: 428656
Weight: 33.71ct
Size: 30.3 x 28.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.82
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ID: 545701
Weight: 2.17ct
Size: 7.4 x 6.3 mm
Clarity: VS
Content: 1 pc
Price: $ 197.64
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ID: 535296
Weight: 1.43ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 51.48
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ID: 688995
Weight: 1.26ct
Size: 12.1 x 4.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 12.10
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ID: 736774
Weight: 4.72ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 212.40
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ID: 701310
Weight: 7.20ct
Size: 19.7 x 6.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 43.20
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ID: 351754
Weight: 3.18ct (total)
Size: 4.9 x 4.7 mm
Clarity: Transparent
Content: 10 pcs
Price: $ 83.95
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ID: 400681
Weight: 3.82ct
Size: 9 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 25.21
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ID: 396019
Weight: 9.63ct
Size: 13 x 13 mm (calibrated)
Clarity: VVS-VS
Price: $ 18.37
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ID: 384726
Weight: 7.35ct
Size: 25.2 x 12.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 66.26
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ID: 472212
Weight: 18.94ct
Size: 26.6 x 12 mm
Clarity: Translucent
Content: 1 pc
Price: $ 50.00
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ID: 724936
Weight: 24.85ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 89.46
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ID: 715547
Weight: 5.84ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 56.06
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ID: 720043
Weight: 5.28ct
Size: 10.3 x 8.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 158.40
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ID: 669086
Weight: 19.04ct
Size: 17 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 411.26
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ID: 385547
Weight: 10.12ct (total)
Size: 19.2 x 9.8 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 89.90
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ID: 461071
Weight: 3.71ct
Size: 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 34.28
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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

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

Muy serios y muy oportunos para el envo

Posted By Veronica 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 -> 9 star ratings

Site is easy to navigate - details on cut, polish, and finish work and techniques were helpful. 3d view or wireframe diagram of stones would be nice.

Posted By Tb in August, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Everything went well, the payment options are easily declined but, but once sorted out, everything is smooth. I have bought from GemSelect before and am consistently satisfied with them.

Posted By Gabe in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
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

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

Muy serios y muy oportunos para el envo

Posted By Veronica 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 -> 9 star ratings

Site is easy to navigate - details on cut, polish, and finish work and techniques were helpful. 3d view or wireframe diagram of stones would be nice.

Posted By Tb in August, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Everything went well, the payment options are easily declined but, but once sorted out, everything is smooth. I have bought from GemSelect before and am consistently satisfied with them.

Posted By Gabe in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
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