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

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ID: 704694
Weight: 30.27ct
Size: 39.9 x 9.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 3.64
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ID: 348303
Weight: 2.23ct
Size: 21.7 x 3.7 mm
Clarity: VS
Content: 1 pc
Price: $ 103.03
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ID: 599849
Weight: 34.78ct
Size: 32.4 x 21.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.16
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ID: 655800
Weight: 1.48ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 35.52
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ID: 608817
Weight: 4.80ct
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 44.35
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ID: 712394
Weight: 16.78ct
Size: 21.2 x 16.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 140.95
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ID: 604028
Weight: 19.39ct
Size: 26.8 x 16.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.47
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ID: 706479
Weight: 17.00ct
Size: 16.7 x 14.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.68
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ID: 595012
Weight: 5.66ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 74.71
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ID: 596683
Weight: 37.10ct
Size: 24.3 x 19.9 mm
Clarity: VS
Content: 1 pc
Price: $ 327.13
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ID: 688366
Weight: 0.21ct
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 10.08
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ID: 733090
Weight: 0.72ct
Size: 6.9 x 4.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 30.24
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ID: 453164
Weight: 1.85ct
Size: 8.7 x 6.3 mm
Clarity: VS
Content: 1 pc
Price: $ 122.10
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ID: 555091
Weight: 3.70ct
Size: 14 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 7.27
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ID: 427341
Weight: 2.48ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 16.37
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ID: 515008
Weight: 1.84ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 17.00
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ID: 726005
Weight: 0.36ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 3.46
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ID: 502178
Weight: 2.24ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 17.74
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ID: 474958
Weight: 2.70ct (total)
Size: 6.2 x 4.2 mm
Clarity: VVS-VS
Content: 4 pcs
Price: $ 89.10
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ID: 474774
Weight: 2.33ct
Size: 13 x 8.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 12.30
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ID: 520004
Weight: 0.97ct
Size: 9 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 89.63
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ID: 646982
Weight: 11.20ct
Size: 22.4 x 16 mm
Clarity: Translucent
Content: 1 pc
Price: $ 6.72
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ID: 698786
Weight: 0.85ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 7.14
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ID: 497060
Weight: 1.92ct
Size: 8.5 x 6.8 mm
Clarity: VS
Content: 1 pc
Price: $ 34.49
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ID: 723003
Weight: 1.11ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 33.30
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ID: 411816
Weight: 2.90ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 133.98
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ID: 448964
Weight: 2.80ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 18.48
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ID: 678326
Weight: 6.95ct
Size: 21.2 x 14.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 8.59
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ID: 531042
Weight: 4.10ct
Size: 10.9 x 8.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 35.18
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ID: 701918
Weight: 6.87ct
Size: 17 x 7.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.22
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ID: 686464
Weight: 0.54ct
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 11.66
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ID: 554029
Weight: 32.75ct
Size: 19 x 18.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.77
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ID: 490601
Weight: 3.25ct (total)
Size: 5.5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 38.27
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ID: 662696
Weight: 2.13ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 51.12
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ID: 423029
Weight: 40.58ct (total)
Size: 14 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 53.57
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ID: 708513
Weight: 1.70ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 35.11
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ID: 554640
Weight: 1.08ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 8.56
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ID: 687414
Weight: 5.19ct
Size: 21.7 x 7.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.32
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ID: 454362
Weight: 0.91ct
Size: 11.2 x 4.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.94
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ID: 312945
Weight: 26.92ct
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 42.64
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ID: 662828
Weight: 0.78ct
Size: 5.9 x 5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.68
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ID: 694222
Weight: 0.69ct
Size: 8.7 x 3.7 mm
Clarity: VS
Content: 1 pc
Price: $ 20.10
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ID: 677981
Weight: 19.81ct
Size: 23.8 x 17 mm
Clarity: Transparent
Content: 1 pc
Price: $ 20.21
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ID: 520551
Weight: 4.14ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.26
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ID: 471387
Weight: 5.39ct
Size: 11.3 x 10.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 21.35
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ID: 692160
Weight: 0.69ct
Size: 5 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 41.40
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ID: 645486
Weight: 9.83ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 48.60
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ID: 731019
Weight: 12.44ct (total)
Size: 16.4 x 14.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 8.51
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ID: 735188
Weight: 2.65ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 106.00
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ID: 673104
Weight: 1.59ct
Size: 8 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 38.16
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ID: 542971
Weight: 0.98ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 10.34
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ID: 431795
Weight: 2.60ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 27.42
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ID: 707900
Weight: 2.79ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.62
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ID: 519620
Weight: 1.33ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 122.89
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ID: 479753
Weight: 3.18ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 29.39
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ID: 634910
Weight: 4.64ct
Size: 12 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 23.83
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ID: 461086
Weight: 7.40ct
Size: 14.4 x 10.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 62.16
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ID: 569274
Weight: 2.38ct
Size: 9 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 47.30
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ID: 351403
Weight: 6.54ct
Size: 18 x 9.4 mm
Clarity: VS
Content: 1 pc
Price: $ 60.43
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ID: 520548
Weight: 4.53ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.86
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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

Loved everything. High quality, quick shipping, and authentication included.

Posted By Chris in March, 2025
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

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

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 -> 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

Im not a jeweler, I buy for my personal use. My dad was a jewelry maker and I love gemstones.

Posted By Andie in September, 2024
Source: Bizrate

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

Easy and convenient

Posted By Butch in September, 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

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

Loved everything. High quality, quick shipping, and authentication included.

Posted By Chris in March, 2025
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

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

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 -> 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

Im not a jeweler, I buy for my personal use. My dad was a jewelry maker and I love gemstones.

Posted By Andie in September, 2024
Source: Bizrate

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

Easy and convenient

Posted By Butch in September, 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

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