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

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ID: 454361
Weight: 1.00ct
Size: 11.3 x 4.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 42.24
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ID: 422918
Weight: 3.27ct (total)
Size: 8 x 5 mm (calibrated)
Clarity: VS
Content: 5 pcs
Price: $ 25.90
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ID: 474833
Weight: 28.88ct (total)
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 68.62
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ID: 687749
Weight: 6.70ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.04
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ID: 544825
Weight: 0.93ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.62
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ID: 720982
Weight: 39.54ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 47.45
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ID: 462260
Weight: 3.13ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 20.66
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ID: 357377
Weight: 4.32ct (total)
Size: 5.5 mm (calibrated)
Clarity: VS
Content: 5 pcs
Price: $ 204.77
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ID: 414694
Weight: 7.81ct
Size: 12 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 51.55
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ID: 396130
Weight: 5.46ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 267.74
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ID: 677861
Weight: 0.07ct
Size: 2 x 1.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.00
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ID: 350718
Weight: 1.77ct
Size: 20.6 x 3.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 51.40
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ID: 718994
Weight: 0.66ct
Size: 5.2 x 4.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 11.88
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ID: 683426
Weight: 4.60ct
Size: 13.6 x 8.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.61
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ID: 659858
Weight: 2.72ct
Size: 7 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 6.56
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ID: 684529
Weight: 0.05ct
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 17.51
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ID: 725756
Weight: 1.42ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 13.63
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ID: 698611
Weight: 3.02ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 25.37
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ID: 403728
Weight: 31.28ct
Size: 28.3 x 21.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 37.54
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ID: 724292
Weight: 2.96ct (total)
Size: 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 28.42
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ID: 717925
Weight: 2.16ct (total)
Size: 6 x 4.9 mm
Clarity: VVS
Content: 2 pcs
Price: $ 64.80
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ID: 548277
Weight: 12.41ct
Size: 15.6 x 13.3 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 491.44
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ID: 730442
Weight: 0.27ct
Size: 5 x 3 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 12.96
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ID: 390450
Weight: 1.10ct
Size: 8.2 x 5.5 mm
Clarity: VS
Content: 1 pc
Price: $ 55.06
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ID: 712040
Weight: 7.68ct (total)
Size: 14 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 20.46
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ID: 718310
Weight: 1.22ct (total)
Size: 5.2 x 4.2 mm
Clarity: VVS
Content: 2 pcs
Price: $ 36.60
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ID: 712490
Weight: 2.53ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.74
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ID: 605449
Weight: 25.55ct (total)
Size: 19.8 x 13.6 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 39.80
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ID: 347282
Weight: 1.57ct
Size: 22.9 x 2.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 62.17
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ID: 704936
Weight: 36.40ct
Size: 39.6 x 11.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 8.74
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ID: 270459
Weight: 18.43ct
Size: 23.8 x 14.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 60.83
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ID: 602288
Weight: 2.76ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 25.50
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ID: 485963
Weight: 5.19ct
Size: 13.1 x 9.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 43.60
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ID: 394829
Weight: 12.10ct
Size: 15 x 15 mm (calibrated)
Clarity: VVS
Price: $ 47.92
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ID: 335828
Weight: 15.01ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 99.07
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ID: 684250
Weight: 8.15ct
Size: 17.8 x 11.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 10.46
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ID: 392109
Weight: 23.65ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 62.44
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ID: 613308
Weight: 0.44ct
Size: 5 x 4 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 18.00
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ID: 660572
Weight: 2.06ct
Size: 7 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.97
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ID: 480324
Weight: 2.24ct
Size: 8 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 20.70
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ID: 715697
Weight: 2.84ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.26
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ID: 664164
Weight: 1.21ct
Size: 7.7 x 5.8 mm
Clarity: VS
Price: $ 13.07
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ID: 719071
Weight: 3.09ct
Size: 8.6 x 6.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 92.70
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ID: 735792
Weight: 45.38ct
Size: 39.4 x 22.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 37.57
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ID: 553490
Weight: 1.77ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 10.66
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ID: 462368
Weight: 1.95ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 102.96
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ID: 707986
Weight: 9.19ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.82
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ID: 456290
Weight: 3.17ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 29.29
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ID: 366371
Weight: 1.17ct
Size: 7.5 x 5.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 164.36
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ID: 730362
Weight: 0.25ct
Size: 5 x 3 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 12.00
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ID: 487025
Weight: 10.09ct
Size: 17.1 x 11.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 102.96
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ID: 648285
Weight: 0.63ct
Size: 7.2 x 5.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.68
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ID: 721095
Weight: 1.23ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 10.33
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ID: 446585
Weight: 3.53ct
Size: 12 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 11.64
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ID: 706414
Weight: 14.41ct
Size: 15.1 x 13.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.40
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ID: 357322
Weight: 4.16ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 27.46
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ID: 680732
Weight: 1.00ct
Size: 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 30.00
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ID: 694524
Weight: 11.71ct
Size: 15 x 15 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 98.36
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ID: 636576
Weight: 6.31ct
Size: 15.1 x 11 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.14
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ID: 447380
Weight: 18.24ct
Size: 29.1 x 17.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 262.66
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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

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 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 -> 7 star ratings

Okay thank you.

Posted By Bepc61 in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.

Posted By LeAnn in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
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 just bought some mystic quartz. Checkout was smooth and pleasant

Posted By Jay in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Good products

Posted By Brave in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 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

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 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 -> 7 star ratings

Okay thank you.

Posted By Bepc61 in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.

Posted By LeAnn in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
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 just bought some mystic quartz. Checkout was smooth and pleasant

Posted By Jay in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Good products

Posted By Brave in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 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