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

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

Discover loose untreated gemstones in our curated selection. Find unheated sapphires, untreated rubies, and virgin untreated stones, our collection highlights the beauty of nature’s finest treasures. Perfect for engagement rings, heirloom pieces, or collectors, our certified untreated gems and GIA-certified natural gems ensure authenticity and quality. Experience the allure of authentic untreated crystals and precious untreated gemstones today.

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ID: 643669
Weight: 6.35ct
Size: 25.3 x 9.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 53.34
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ID: 679064
Weight: 21.38ct
Size: 20.5 x 15.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 64.57
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ID: 521011
Weight: 89.42ct
Size: 31.8 x 26.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 236.06
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ID: 488302
Weight: 92.51ct
Size: 56.4 x 32 mm
Clarity: Opaque
Content: 1 pc
Price: $ 68.39
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ID: 523599
Weight: 27.42ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 27.86
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ID: 555336
Weight: 2.48ct
Size: 8.7 x 6.7 mm
Clarity: SI
Content: 1 pc
Price: $ 65.47
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ID: 432549
Weight: 42.57ct
Size: 26.4 x 26.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 34.06
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ID: 602281
Weight: 1.70ct
Size: 7 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 56.10
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ID: 636150
Weight: 14.98ct
Size: 20.2 x 13.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 104.86
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ID: 407379
Weight: 8.95ct
Size: 14 x 14 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 489.94
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ID: 693425
Weight: 6.30ct
Size: 12 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 174.07
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ID: 691884
Weight: 0.51ct
Size: 4.9 x 4.2 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 30.60
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ID: 521579
Weight: 23.14ct
Size: 23.8 x 16.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 183.26
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ID: 367970
Weight: 4.18ct
Size: 9.9 x 9.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 27.36
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ID: 522842
Weight: 9.89ct
Size: 17.3 x 11.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 261.10
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ID: 601888
Weight: 22.62ct (total)
Size: 21 x 15.6 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 109.39
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ID: 693714
Weight: 2.61ct
Size: 10.8 x 6.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 7.83
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ID: 476802
Weight: 34.00ct
Size: 19 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 122.40
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ID: 699678
Weight: 10.55ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.87
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ID: 540981
Weight: avg. 0.87 ct / each
Size: 7 mm (calibrated)
Clarity: Transparent
Price: $ 21.71
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ID: 636448
Weight: 13.24ct
Size: 21.6 x 16.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 63.55
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ID: 701067
Weight: 1.37ct
Size: 6.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 82.20
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ID: 333540
Weight: 5.25ct
Size: 12 x 10 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 630.00
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ID: 206335
Weight: 3.45ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS-SI
Content: 9 pcs
Price: $ 204.94
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ID: 517254
Weight: 25.48ct
Size: 33.4 x 18.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.23
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ID: 410344
Weight: 2.36ct (total)
Size: 7.5 x 5.1 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 11.27
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ID: 694297
Weight: 29.21ct
Size: 33.6 x 18.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 73.03
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ID: 559502
Weight: 1.87ct
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 7.12
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ID: 521442
Weight: 25.27ct
Size: 32.3 x 14.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 200.14
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ID: 599325
Weight: 12.91ct
Size: 16 x 16 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 35.51
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ID: 481303
Weight: 48.61ct
Size: 40 x 22.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 69.30
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ID: 333933
Weight: 32.10ct
Size: 22.5 x 16.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 693.36
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ID: 499380
Weight: 1.99ct (total)
Size: 7.5 x 5.6 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 7.88
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ID: 349478
Weight: 1.39ct
Size: 7.5 x 6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 192.66
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ID: 453541
Weight: 9.99ct
Size: 17.5 x 9.6 mm
Clarity: VS
Content: 1 pc
Price: $ 329.68
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ID: 522212
Weight: 57.58ct
Size: 44.5 x 28.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 58.52
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ID: 526850
Weight: 2.47ct
Size: 8.8 x 7.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 149.44
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ID: 322581
Weight: 49.22ct
Size: 30.5 x 20.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 59.06
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ID: 691651
Weight: 83.34ct
Size: 54.9 x 31 mm
Clarity: Opaque
Content: 1 pc
Price: $ 60.00
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ID: 685584
Weight: 42.68ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 42.50
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ID: 608483
Weight: 7.14ct (total)
Size: 10 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 131.95
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ID: 348781
Weight: 73.69ct
Size: 43 x 25.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 97.27
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ID: 514331
Weight: 29.23ct (total)
Size: 21.7 x 14.7 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 76.40
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ID: 675394
Weight: 2.71ct
Size: 11.9 x 9.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 87.61
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ID: 679953
Weight: 31.99ct
Size: 23.1 x 15.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 255.92
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ID: 411623
Weight: 3.06ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 141.37
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ID: 493535
Weight: 4.57ct
Size: 12.2 x 9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 30.17
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ID: 506050
Weight: 46.77ct
Size: 27 x 20 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 257.24
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ID: 628027
Weight: 15.88ct
Size: 23.1 x 12.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 133.39
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ID: 497474
Weight: 2.54ct
Size: 8.6 x 8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 16.76
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ID: 395337
Weight: 12.80ct
Size: 14 x 14 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 70.40
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ID: 631671
Weight: 14.60ct
Size: 27.7 x 14.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 66.40
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ID: 596896
Weight: 6.59ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 78.31
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ID: 517047
Weight: 1.25ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 30.25
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ID: 510935
Weight: 31.95ct (total)
Size: 22.3 x 11.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 68.75
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ID: 573422
Weight: 1.90ct
Size: 13 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 75.24
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ID: 678129
Weight: 0.14ct
Size: 2.6 x 2.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 84.00
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ID: 493507
Weight: 3.65ct
Size: 11.4 x 8.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.25
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ID: 533869
Weight: 3.38ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 26.03
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ID: 519984
Weight: 48.66ct
Size: 21.3 x 18.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 57.17
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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

It was easy to find what I wanted

Posted By Villian in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones..

Posted By Steven M. in February, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good. I ts very user friendly.

Posted By Shalini in June, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I did not have any problems

Posted By Clilrichard in January, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 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 -> 10 star ratings

Great website, no hassle, easy check out and found everything I needed quickly

Posted By Chris 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

It was easy to find what I wanted

Posted By Villian in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones..

Posted By Steven M. in February, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good. I ts very user friendly.

Posted By Shalini in June, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I did not have any problems

Posted By Clilrichard in January, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 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 -> 10 star ratings

Great website, no hassle, easy check out and found everything I needed quickly

Posted By Chris 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