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

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ID: 707936
Weight: 3.03ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.02
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ID: 707130
Weight: 2.18ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.23
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ID: 685338
Weight: 0.33ct
Size: 4.6 x 3.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 13.86
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ID: 734740
Weight: 8.16ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 342.72
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ID: 714414
Weight: 0.48ct
Size: 8.5 x 3.9 mm
Clarity: VS
Content: 1 pc
Price: $ 21.60
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ID: 498896
Weight: 1.67ct (total)
Size: 4.9 x 3.8 mm
Clarity: VS-SI
Content: 4 pcs
Price: $ 220.44
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ID: 648021
Weight: 6.00ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 10.80
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ID: 315239
Weight: 1.88ct
Size: 11.4 x 8.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 99.26
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ID: 681981
Weight: 12.70ct
Size: 16 x 13.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 76.20
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ID: 619985
Weight: 3.20ct
Size: 10.9 x 8.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 42.24
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ID: 609447
Weight: 19.86ct
Size: 28.6 x 19 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.22
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ID: 400794
Weight: 4.57ct
Size: 10 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.17
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ID: 479373
Weight: 2.39ct (total)
Size: 10 x 5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 25.24
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ID: 414601
Weight: 6.87ct
Size: 11.7 x 11.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 45.35
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ID: 491626
Weight: 10.69ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 31.32
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ID: 482278
Weight: 1.75ct
Size: 8.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 12.62
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ID: 384726
Weight: 7.35ct
Size: 25.2 x 12.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 66.26
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ID: 477123
Weight: 2.45ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 17.64
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ID: 435565
Weight: 9.98ct
Size: 18 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 32.68
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ID: 650892
Weight: 23.87ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 14.33
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ID: 673253
Weight: 6.58ct (total)
Size: 16.6 x 10.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 18.55
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ID: 674888
Weight: 10.16ct
Size: 16.7 x 14.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.21
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ID: 671929
Weight: 1.00ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.00
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ID: 727473
Weight: 0.41ct
Size: 4.8 x 4 mm
Clarity: VS
Content: 1 pc
Price: $ 17.22
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ID: 599843
Weight: 23.20ct
Size: 29 x 20.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.45
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ID: 697871
Weight: 0.55ct
Size: 4.7 x 4.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 33.00
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ID: 345665
Weight: 21.29ct
Size: 22.8 x 13.2 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 30.45
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ID: 648935
Weight: 15.81ct
Size: 15.4 x 13.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.93
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ID: 705327
Weight: 3.85ct
Size: 12.3 x 8.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 3.55
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ID: 475681
Weight: 4.44ct
Size: 12.5 x 9.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 46.54
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ID: 546507
Weight: 2.34ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 30.89
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ID: 689676
Weight: 2.57ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 24.67
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ID: 699278
Weight: 1.19ct
Size: 6.4 x 6.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 7.14
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ID: 635367
Weight: 2.00ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS
Price: $ 16.80
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ID: 727033
Weight: 0.49ct
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 14.70
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ID: 450418
Weight: 8.04ct
Size: 15.2 x 10.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 74.29
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ID: 557207
Weight: 3.07ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 25.69
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ID: 400834
Weight: 5.40ct
Size: 10.6 x 10.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 35.64
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ID: 475148
Weight: 2.15ct (total)
Size: 6.6 x 4.6 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 8.52
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ID: 640580
Weight: 1.51ct
Size: 7.2 x 6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 9.97
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ID: 714175
Weight: 0.47ct
Size: 4.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 14.10
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ID: 730288
Weight: 0.80ct
Size: 5.1 x 4.8 mm
Clarity: VS
Content: 1 pc
Price: $ 48.00
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ID: 638889
Weight: 1.19ct
Size: 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 28.56
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ID: 410363
Weight: 6.21ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 40.99
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ID: 347680
Weight: 3.28ct
Size: 22.8 x 4.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 181.85
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ID: 712044
Weight: 3.20ct (total)
Size: 9 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 8.52
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ID: 716436
Weight: 10.14ct
Size: 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 97.34
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ID: 338239
Weight: 9.91ct
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 32.71
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ID: 359294
Weight: 2.82ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 18.61
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ID: 693530
Weight: 1.67ct
Size: 8.3 x 5.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 100.20
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ID: 401206
Weight: 7.27ct
Size: 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.99
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ID: 735098
Weight: 1.29ct
Size: 8 x 6 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 77.40
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ID: 664028
Weight: 1.00ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 21.60
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ID: 664027
Weight: 2.32ct
Size: 10.6 x 7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 11.14
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ID: 728244
Weight: 2.73ct (total)
Size: 6.9 x 5.9 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 16.38
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ID: 346284
Weight: 2.79ct (total)
Size: 2.4 x 2.4 mm
Clarity: VVS-VS
Content: 30 pcs
Price: $ 313.04
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ID: 642618
Weight: 0.95ct
Size: 6.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 44.46
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ID: 733065
Weight: 0.57ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 4.79
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ID: 656210
Weight: 21.37ct
Size: 29.5 x 24.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 109.25
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ID: 447689
Weight: 13.27ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 52.55
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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

I love the quality, package and info of your gems.

Posted By Diana in April, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I did not have any problems

Posted By Clilrichard in January, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 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

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

This was a great time as always. The only problem I had was deciding between all the beautiful and affordable stones that met my requirements. I love shopping for sapphires!

Posted By Phoenix in August, 2024
Source: Bizrate

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

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have bought from you before and have found your gems exceed my expectations. I have been very satisfied with all gems sent to me. I will be back. Thanks....

Posted By Dork 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

I love the quality, package and info of your gems.

Posted By Diana in April, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I did not have any problems

Posted By Clilrichard in January, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 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

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

This was a great time as always. The only problem I had was deciding between all the beautiful and affordable stones that met my requirements. I love shopping for sapphires!

Posted By Phoenix in August, 2024
Source: Bizrate

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

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have bought from you before and have found your gems exceed my expectations. I have been very satisfied with all gems sent to me. I will be back. Thanks....

Posted By Dork 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