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

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ID: 292898
Weight: 19.64ct
Size: 20.2 x 14.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 71.29
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ID: 644659
Weight: 1.21ct
Size: 7 x 6.1 mm
Clarity: VS
Content: 1 pc
Price: $ 29.04
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ID: 617609
Weight: 31.50ct
Size: 33 x 21.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.94
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ID: 715788
Weight: 0.48ct
Size: 7.4 x 4 mm
Clarity: VVS
Content: 1 pc
Price: $ 30.53
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ID: 481212
Weight: 22.57ct
Size: 34.1 x 15.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 29.80
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ID: 657299
Weight: 1.08ct
Size: 6.1 x 5.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 5.18
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ID: 713711
Weight: 1.08ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 9.07
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ID: 706932
Weight: 2.29ct
Size: 8.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 21.98
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ID: 476892
Weight: 48.56ct (total)
Size: 38 x 20.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 82.06
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ID: 533139
Weight: 1.77ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Price: $ 14.09
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ID: 724734
Weight: 0.24ct
Size: 4.2 mm
Clarity: VS
Content: 1 pc
Price: $ 40.32
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ID: 725634
Weight: 0.77ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 7.39
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ID: 448146
Weight: 3.66ct (total)
Size: 8 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 19.32
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ID: 698529
Weight: 2.94ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 24.70
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ID: 635390
Weight: 0.82ct
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 18.04
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ID: 477272
Weight: 4.05ct
Size: 13.3 x 8.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 32.08
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ID: 542069
Weight: 5.91ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 83.15
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ID: 341873
Weight: 3.78ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 36.67
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ID: 669202
Weight: 13.80ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.56
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ID: 474445
Weight: 19.84ct
Size: 17.8 x 13.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 35.84
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ID: 713672
Weight: 1.15ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 8.05
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ID: 735047
Weight: 0.15ct
Size: 3.2 x 2.8 mm
Clarity: SI
Content: 1 pc
Price: $ 126.00
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ID: 712792
Weight: 4.79ct (total)
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 12.76
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ID: 461976
Weight: 3.92ct (total)
Size: 12 x 6.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 46.73
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ID: 625510
Weight: 1.05ct
Size: 6.7 x 4.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.16
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ID: 737914
Weight: 1.00ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 50.00
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ID: 688254
Weight: 0.25ct
Size: 3.8 x 3.8 mm
Clarity: VS
Content: 1 pc
Price: $ 16.50
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ID: 366327
Weight: 1.01ct
Size: 9 x 4.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 141.89
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ID: 594846
Weight: 13.37ct
Size: 17 x 13.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 111.12
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ID: 541613
Weight: 1.24ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 9.82
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ID: 708651
Weight: 1.62ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 33.46
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ID: 387141
Weight: 8.75ct
Size: 15.1 x 12.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 34.66
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ID: 387763
Weight: 2.78ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 18.35
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ID: 619770
Weight: 17.09ct (total)
Size: 16 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 45.12
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ID: 567279
Weight: 6.73ct
Size: 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 20.34
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ID: 708053
Weight: 16.40ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 15.74
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ID: 718039
Weight: 33.43ct
Size: 32.8 x 25.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 120.35
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ID: 712337
Weight: 2.55ct
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.79
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ID: 719576
Weight: 0.64ct
Size: 5.2 x 4.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 11.52
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ID: 708317
Weight: 5.33ct
Size: 16.8 x 9.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 38.38
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ID: 712553
Weight: 3.65ct
Size: 11.7 x 9.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 52.56
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ID: 570041
Weight: 2.31ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 54.89
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ID: 693381
Weight: 33.16ct
Size: 37.2 x 10.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.94
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ID: 562896
Weight: 3.67ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 33.91
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ID: 477361
Weight: 7.79ct
Size: 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 61.69
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ID: 732564
Weight: 7.72ct
Size: 15.8 x 10.1 mm
Clarity: VS
Content: 1 pc
Price: $ 277.92
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ID: 635046
Weight: 1.55ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 44.64
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ID: 693894
Weight: 113.87ct
Size: 58.6 x 41.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 68.33
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ID: 332920
Weight: 22.65ct
Size: 19.8 x 16.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 35.88
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ID: 700991
Weight: 0.58ct
Size: 5.3 x 4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 20.82
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ID: 718110
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.80
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ID: 550751
Weight: 1.50ct
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 18.12
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ID: 480943
Weight: 3.41ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 28.64
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ID: 712877
Weight: 1.18ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 23.57
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ID: 486241
Weight: 5.67ct
Size: 13.7 x 11 mm
Clarity: Translucent
Content: 1 pc
Price: $ 47.63
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ID: 559178
Weight: 1.36ct (total)
Size: 6.7 x 3.7 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 5.17
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ID: 735238
Weight: 2.27ct
Size: 8.5 x 7 mm
Clarity: VS
Content: 1 pc
Price: $ 108.96
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ID: 701293
Weight: 6.09ct
Size: 11.4 x 8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.54
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ID: 659277
Weight: 32.69ct
Size: 28.2 x 21.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 78.46
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ID: 371501
Weight: 7.47ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 49.31
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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 trust this company to deliver exactly what is offered. I have never had to return a selection of Gems. I appreciate the company's detailed description of their product. It helps this customer find mounts before the gems arrive. Any day of the year one can find a wide selection of gems, be it by price, color, cut, lot or single. Pricing does not jump all over the place and stays reasonable. Be assured your items will arrive in perfect condition as the company's shipping department does a great job.

Posted By Miss Sherrie in August, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

Love the ease of access. Easy to find what you are looking for, and fair pricing.

Posted By NickBehnke in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 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 -> 10 star ratings

GemSelect website simple to use. I recommend it to non-trade clients looking for gems.

Posted By GemJocky in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to find what I wanted

Posted By Villian in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I found the website easy to work with. The gemstones are lovely.

Posted By Sophie-Tiger in September, 2024
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

went well

Posted By Doug in May, 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 trust this company to deliver exactly what is offered. I have never had to return a selection of Gems. I appreciate the company's detailed description of their product. It helps this customer find mounts before the gems arrive. Any day of the year one can find a wide selection of gems, be it by price, color, cut, lot or single. Pricing does not jump all over the place and stays reasonable. Be assured your items will arrive in perfect condition as the company's shipping department does a great job.

Posted By Miss Sherrie in August, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

Love the ease of access. Easy to find what you are looking for, and fair pricing.

Posted By NickBehnke in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 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 -> 10 star ratings

GemSelect website simple to use. I recommend it to non-trade clients looking for gems.

Posted By GemJocky in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to find what I wanted

Posted By Villian in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I found the website easy to work with. The gemstones are lovely.

Posted By Sophie-Tiger in September, 2024
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

went well

Posted By Doug in May, 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