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

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ID: 475296
Weight: 4.76ct
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 43.98
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ID: 700119
Weight: 0.80ct
Size: 5.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 48.00
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ID: 622081
Weight: 2.11ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Price: $ 17.72
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ID: 597450
Weight: 1.03ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 67.98
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ID: 658776
Weight: 0.74ct
Size: 6.3 x 4.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 3.55
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ID: 545036
Weight: 5.63ct (total)
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 41.99
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ID: 486654
Weight: 3.79ct
Size: 14.7 x 6.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.68
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ID: 672595
Weight: 9.78ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 27.58
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ID: 416188
Weight: 1.70ct
Size: 20.5 x 3.1 mm
Clarity: VS
Content: 1 pc
Price: $ 53.86
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ID: 677988
Weight: 7.56ct
Size: 15.5 x 13.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.35
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ID: 493323
Weight: 3.14ct (total)
Size: 5 x 2.6 mm
Clarity: VS
Content: 20 pcs
Price: $ 20.72
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ID: 711441
Weight: 2.85ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 56.90
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ID: 433910
Weight: 4.94ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 32.60
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ID: 478058
Weight: 6.34ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 52.80
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ID: 700051
Weight: 0.84ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 8.06
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ID: 514532
Weight: 16.47ct
Size: 20.6 x 14.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 43.04
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ID: 725629
Weight: 0.95ct
Size: 6.1 x 5.3 mm
Clarity: VS
Content: 1 pc
Price: $ 80.65
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ID: 724934
Weight: 33.66ct
Size: 26.6 x 18.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 121.18
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ID: 720788
Weight: 0.52ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 4.37
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ID: 400246
Weight: 2.94ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 9.71
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ID: 671076
Weight: 18.23ct
Size: 21.8 x 14.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 47.03
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ID: 445899
Weight: 6.03ct
Size: 13 x 10 mm
Clarity: VVS
Content: 1 pc
Price: $ 44.03
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ID: 685249
Weight: 17.96ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 17.89
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ID: 552564
Weight: 5.88ct
Size: 15.6 x 11.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 15.53
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ID: 683999
Weight: 0.47ct
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 19.74
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ID: 388717
Weight: 4.84ct
Size: 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.94
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ID: 416044
Weight: 2.59ct
Size: 19.2 x 4.4 mm
Clarity: VS
Content: 1 pc
Price: $ 85.48
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ID: 683632
Weight: 4.35ct
Size: 12.2 x 8.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.30
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ID: 728207
Weight: 0.82ct
Size: 5.5 x 5.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.92
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ID: 705597
Weight: 2.37ct
Size: 8.9 x 6.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 2.18
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ID: 418123
Weight: 7.49ct
Size: 12.3 x 10.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 39.55
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ID: 694724
Weight: 5.02ct
Size: 9.5 x 8.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 150.60
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ID: 715573
Weight: 12.22ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 117.31
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ID: 499247
Weight: 1.95ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 35.00
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ID: 501881
Weight: 2.99ct (total)
Size: 6.8 x 5.9 mm
Clarity: VS
Content: 5 pcs
Price: $ 23.68
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ID: 446597
Weight: 1.27ct
Size: 9 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 8.39
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ID: 697873
Weight: 0.60ct
Size: 4.6 x 4.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 36.00
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ID: 478618
Weight: 0.75ct
Size: 6.5 x 4.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.72
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ID: 548396
Weight: 14.60ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 54.73
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ID: 422885
Weight: 0.73ct
Size: 7.2 x 4.2 mm
Clarity: VS
Content: 1 pc
Price: $ 28.00
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ID: 491734
Weight: 19.22ct (total)
Size: 20.1 x 10.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 18.46
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ID: 706363
Weight: 16.04ct
Size: 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 32.72
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ID: 685517
Weight: 1.80ct
Size: 7.6 x 7.5 mm
Clarity: VVS
Price: $ 17.28
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ID: 727023
Weight: 0.81ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 14.58
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ID: 595046
Weight: 17.95ct
Size: 18.4 x 17.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 71.09
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ID: 655767
Weight: 0.90ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 21.60
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ID: 485140
Weight: 4.91ct (total)
Size: 11 x 11 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 25.92
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ID: 411742
Weight: 1.40ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 64.68
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ID: 451015
Weight: 1.58ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 14.60
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ID: 474078
Weight: 10.89ct
Size: 16.7 x 10.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 43.13
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ID: 720367
Weight: 1.05ct
Size: 6.7 x 4.7 mm
Clarity: VS
Content: 1 pc
Price: $ 101.06
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ID: 385353
Weight: 12.95ct
Size: 17.3 x 10.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 341.88
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ID: 715567
Weight: 11.40ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 109.44
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ID: 586444
Weight: 1.46ct
Size: 7.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 96.36
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ID: 517070
Weight: 33.59ct
Size: 23.2 x 18 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.47
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ID: 435788
Weight: 6.71ct
Size: 15 x 11 mm
Clarity: Translucent
Content: 1 pc
Price: $ 21.96
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ID: 691112
Weight: 3.50ct
Size: 16 x 10.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 189.00
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ID: 602226
Weight: 11.21ct (total)
Size: 21.1 x 10.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 59.64
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ID: 391873
Weight: 24.06ct (total)
Size: 33.5 x 12.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 47.64
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ID: 737114
Weight: 13.28ct
Size: 25.9 x 17.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.72
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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 have bought many stones from GemsSelect and have been very satisfied with all!I will continue to buy and recommend this site!

Posted By DG in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Excellent selection and easy to use, well done site

Posted By Steph in December, 2024
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

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

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

It was very good and concise.

Posted By Whydothey in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia in March, 2025
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

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

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 have bought many stones from GemsSelect and have been very satisfied with all!I will continue to buy and recommend this site!

Posted By DG in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Excellent selection and easy to use, well done site

Posted By Steph in December, 2024
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

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

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

It was very good and concise.

Posted By Whydothey in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia in March, 2025
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

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

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