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

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ID: 398133
Weight: 1.45ct
Size: 17.7 x 3.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 42.11
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ID: 689814
Weight: 0.06ct
Size: 2.4 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 34.98
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ID: 666769
Weight: 1.29ct
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 26.46
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ID: 692419
Weight: 28.03ct
Size: 21.5 x 20.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.18
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ID: 708206
Weight: 23.40ct
Size: 22.9 x 14.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.20
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ID: 687571
Weight: 6.38ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.66
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ID: 632483
Weight: 1.54ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 11.09
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ID: 568987
Weight: 0.89ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 8.22
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ID: 692815
Weight: 33.23ct
Size: 37 x 11.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.97
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ID: 464394
Weight: 4.57ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 42.23
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ID: 714971
Weight: 12.54ct
Size: 16 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 32.51
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ID: 558479
Weight: 2.52ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 9.59
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ID: 550838
Weight: 1.67ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 12.56
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ID: 501548
Weight: 37.02ct (total)
Size: 37.5 x 13.1 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 146.60
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ID: 689099
Weight: 0.07ct
Size: 2.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 40.81
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ID: 536832
Weight: 0.74ct
Size: 5.4 x 4.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 30.49
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ID: 501888
Weight: 2.64ct (total)
Size: 6.9 x 6.2 mm
Clarity: VS
Content: 5 pcs
Price: $ 20.90
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ID: 306489
Weight: 51.32ct
Size: 24.4 x 21.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 81.29
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ID: 587270
Weight: 1.28ct
Size: 7.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 107.52
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ID: 730233
Weight: 12.42ct
Size: 16.5 x 11 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.94
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ID: 712571
Weight: 1.65ct
Size: 7.7 x 5.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 32.95
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ID: 724810
Weight: 0.71ct
Size: 10.4 x 2.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 29.82
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ID: 684560
Weight: 0.80ct
Size: 5.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 1.15
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ID: 723015
Weight: 0.50ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.00
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ID: 408181
Weight: 10.90ct
Size: 14 x 14 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.75
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ID: 727476
Weight: 0.90ct
Size: 6 x 4.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 16.20
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ID: 715477
Weight: 1.47ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 14.11
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ID: 522792
Weight: 16.24ct
Size: 32 x 7.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.78
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ID: 623867
Weight: 2.78ct
Size: 8.3 x 7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 16.68
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ID: 446949
Weight: 1.90ct
Size: 7.9 x 6.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 89.78
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ID: 413607
Weight: 3.37ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 22.25
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ID: 650387
Weight: 10.65ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.54
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ID: 456779
Weight: 4.11ct
Size: 12.2 x 8.7 mm
Clarity: VS
Content: 1 pc
Price: $ 37.98
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ID: 314628
Weight: 2.32ct (total)
Size: 3 x 3 mm (calibrated)
Clarity: Transparent
Content: 20 pcs
Price: $ 43.38
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ID: 348909
Weight: 30.00ct
Size: 34.2 x 19.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.60
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ID: 724007
Weight: 10.84ct
Size: 16.7 x 11 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.88
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ID: 460473
Weight: 4.49ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 59.27
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ID: 632000
Weight: 12.66ct
Size: 23.4 x 14 mm
Clarity: Opaque
Content: 1 pc
Price: $ 57.58
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ID: 708449
Weight: 1.52ct
Size: 7.8 x 5.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 31.39
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ID: 517840
Weight: 1.18ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 99.12
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ID: 704570
Weight: 1.96ct
Size: 12.1 x 8.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 58.80
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ID: 493859
Weight: 1.77ct
Size: 11.8 x 6 mm
Clarity: VS
Price: $ 11.68
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ID: 698764
Weight: 1.06ct
Size: 6.6 x 5.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 6.36
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ID: 718605
Weight: 10.71ct
Size: 24.8 x 15.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 64.26
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ID: 529580
Weight: 7.37ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 29.18
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ID: 685511
Weight: 3.09ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 29.66
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ID: 420288
Weight: 20.92ct
Size: 24 x 17 mm
Clarity: Translucent
Content: 1 pc
Price: $ 69.04
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ID: 674271
Weight: 20.24ct
Size: 22.3 x 17.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 364.32
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ID: 662982
Weight: 3.83ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 9.19
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ID: 491656
Weight: 56.06ct (total)
Size: 18.6 x 15.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 65.86
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ID: 734709
Weight: 2.19ct
Size: 7.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.14
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ID: 717936
Weight: 1.71ct (total)
Size: 5.9 x 4.9 mm
Clarity: VS
Content: 2 pcs
Price: $ 51.30
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ID: 620769
Weight: 1.31ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 32.86
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ID: 553603
Weight: 7.01ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 37.01
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ID: 398276
Weight: 3.12ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 123.55
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ID: 673700
Weight: 0.79ct
Size: 8.4 x 6.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 33.18
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ID: 691187
Weight: 0.60ct
Size: 5 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 50.40
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ID: 685866
Weight: 1.58ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 29.09
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ID: 443357
Weight: 4.56ct
Size: 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 14.99
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ID: 325960
Weight: 3.30ct
Size: 9.3 x 7.9 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 11.76
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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

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I just bought some mystic quartz. Checkout was smooth and pleasant

Posted By Jay in July, 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 -> 10 star ratings

Easy and convenient

Posted By Butch in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I enjoy doing buisness with GemSelect. It is always a pleasure and you get what you ordered!

Posted By Ballpark in December, 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

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 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

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

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

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I just bought some mystic quartz. Checkout was smooth and pleasant

Posted By Jay in July, 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 -> 10 star ratings

Easy and convenient

Posted By Butch in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I enjoy doing buisness with GemSelect. It is always a pleasure and you get what you ordered!

Posted By Ballpark in December, 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

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 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

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

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