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

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ID: 363913
Weight: 16.24ct
Size: 31 x 14.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.16
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ID: 689598
Weight: 1.50ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 45.00
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ID: 584968
Weight: 33.12ct
Size: 30.4 x 26.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 96.18
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ID: 655067
Weight: 25.63ct
Size: 27.1 x 14.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 79.66
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ID: 515615
Weight: 18.22ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 30.61
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ID: 391871
Weight: 29.73ct (total)
Size: 33.9 x 13.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 58.87
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ID: 737283
Weight: 2.13ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 95.85
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ID: 680951
Weight: 4.08ct
Size: 11 x 9 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 122.40
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ID: 445545
Weight: 3.46ct
Size: 12.2 x 8.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 22.84
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ID: 515433
Weight: 24.21ct
Size: 30.2 x 20.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.67
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ID: 512181
Weight: 1.89ct
Size: 13.2 x 4.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 172.14
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ID: 725562
Weight: 2.45ct (total)
Size: 7.2 x 6.2 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 97.04
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ID: 712144
Weight: 19.10ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 50.88
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ID: 409438
Weight: 11.03ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 52.56
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ID: 389488
Weight: 2.36ct (total)
Size: 7.3 x 6.1 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 15.58
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ID: 497556
Weight: 1.96ct
Size: 9 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 51.74
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ID: 699028
Weight: 3.20ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 26.88
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ID: 547626
Weight: 2.17ct
Size: 6.5 x 6.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 43.97
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ID: 492964
Weight: 4.19ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 30.31
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ID: 438360
Weight: 1.68ct
Size: 6.5 mm (calibrated)
Clarity: VS
Price: $ 44.35
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ID: 431365
Weight: 2.37ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 25.00
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ID: 447524
Weight: 77.89ct (total)
Size: 16.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 205.63
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ID: 464348
Weight: 2.72ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 25.13
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ID: 446736
Weight: 5.27ct
Size: 13 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.40
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ID: 412174
Weight: 2.53ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 16.70
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ID: 645755
Weight: 1.02ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 25.87
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ID: 333907
Weight: 10.67ct
Size: 21.5 x 11.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 61.82
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ID: 387772
Weight: 2.91ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 19.21
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ID: 558037
Weight: 1.23ct
Size: 6.5 x 6.1 mm
Clarity: VS
Content: 1 pc
Price: $ 125.86
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ID: 608851
Weight: 62.18ct (total)
Size: 25.4 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 97.67
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ID: 501484
Weight: 10.10ct
Size: 20.5 x 13.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 42.40
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ID: 706984
Weight: 2.25ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.40
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ID: 482237
Weight: 2.53ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 18.23
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ID: 392227
Weight: 8.43ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 50.58
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ID: 666912
Weight: 86.71ct
Size: 55.7 x 38 mm
Clarity: Transparent
Content: 1 pc
Price: $ 1,560.78
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ID: 673065
Weight: 1.14ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 27.36
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ID: 592189
Weight: 0.76ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 25.08
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ID: 472698
Weight: 2.62ct
Size: 13.1 x 9.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 30.23
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ID: 712031
Weight: 3.98ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 10.61
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ID: 449050
Weight: 19.01ct
Size: 25 x 15.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 25.09
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ID: 613435
Weight: 0.54ct
Size: 4.8 mm
Clarity: VS
Content: 1 pc
Price: $ 34.13
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ID: 665019
Weight: 10.07ct
Size: 15.6 x 13.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 84.59
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ID: 489718
Weight: 2.79ct (total)
Size: 4.5 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 55.25
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ID: 522193
Weight: 19.98ct
Size: 24.6 x 14.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 158.24
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ID: 443316
Weight: 5.23ct
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.18
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ID: 466391
Weight: 11.36ct (total)
Size: 8.5 mm (calibrated)
Clarity: Transparent
Content: 6 pcs
Price: $ 419.87
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ID: 520639
Weight: 1.27ct
Size: 9.9 x 5.1 mm
Clarity: VS
Content: 1 pc
Price: $ 70.40
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ID: 727901
Weight: 0.03ct
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
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ID: 707988
Weight: 5.04ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 8.35
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ID: 586417
Weight: 1.95ct
Size: 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 128.70
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ID: 721720
Weight: 0.64ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 11.52
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ID: 674092
Weight: 1.34ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 56.28
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ID: 538968
Weight: 7.37ct
Size: 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 19.45
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ID: 427746
Weight: 2.27ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 14.99
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ID: 725621
Weight: 1.03ct (total)
Size: 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 40.80
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ID: 712145
Weight: 8.24ct (total)
Size: 12 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 21.95
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ID: 517074
Weight: 37.03ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 43.51
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ID: 364694
Weight: 7.22ct
Size: 16 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 47.65
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ID: 700709
Weight: 0.27ct
Size: 3.8 mm
Clarity: SI
Content: 1 pc
Price: $ 16.20
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ID: 306922
Weight: 2.77ct
Size: 9.1 x 8.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 10.25
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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 -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

So far, my experience was great...Thanks

Posted By Kaydi in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

This is a wonderful website

Posted By Bryan Diaz in September, 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 -> 9 star ratings

It is a good experience, it is easy to view the item, and easy to check out.

Posted By Neo in November, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I love the gems!

Posted By MM in April, 2025
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 -> 8 star ratings

great experience

Posted By T in December, 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 -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

So far, my experience was great...Thanks

Posted By Kaydi in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

This is a wonderful website

Posted By Bryan Diaz in September, 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 -> 9 star ratings

It is a good experience, it is easy to view the item, and easy to check out.

Posted By Neo in November, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I love the gems!

Posted By MM in April, 2025
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 -> 8 star ratings

great experience

Posted By T in December, 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