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

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ID: 695364
Weight: 17.67ct
Size: 15.4 x 11.4 mm
Clarity: VS
Content: 1 pc
Price: $ 530.10
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ID: 733047
Weight: 0.56ct
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 23.52
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ID: 446095
Weight: 4.23ct
Size: 11.7 x 8.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 30.88
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ID: 420006
Weight: 9.73ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 38.53
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ID: 706853
Weight: 2.43ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.83
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ID: 713824
Weight: 18.37ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 154.31
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ID: 619102
Weight: 2.73ct
Size: 13.1 x 8 mm
Clarity: VVS
Content: 1 pc
Price: $ 12.55
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ID: 493016
Weight: 5.55ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 40.14
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ID: 464455
Weight: 4.42ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 40.84
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ID: 727369
Weight: 0.68ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 12.24
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ID: 719628
Weight: 1.10ct
Size: 6 x 4.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 19.80
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ID: 700906
Weight: 0.43ct
Size: 4.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 25.80
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ID: 712467
Weight: 1.44ct
Size: 10.2 x 5.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 3.84
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ID: 692525
Weight: 17.93ct
Size: 18.1 x 13.9 mm
Clarity: VS
Content: 1 pc
Price: $ 150.61
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ID: 411896
Weight: 1.14ct
Size: 8 x 5.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 75.24
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ID: 333329
Weight: 11.71ct
Size: 21.7 x 10.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 170.03
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ID: 737912
Weight: 1.22ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 61.00
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ID: 514129
Weight: 7.00ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 65.88
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ID: 667171
Weight: 1.44ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 29.53
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ID: 708413
Weight: 2.58ct
Size: 14 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 78.14
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ID: 720394
Weight: 1.08ct
Size: 5.9 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 155.52
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ID: 465324
Weight: 4.20ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 36.77
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ID: 556702
Weight: 3.02ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 25.28
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ID: 691069
Weight: 0.69ct
Size: 5 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 41.40
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ID: 713851
Weight: 0.77ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.94
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ID: 485284
Weight: 3.32ct (total)
Size: 7.6 x 7.5 mm
Clarity: Translucent
Content: 4 pcs
Price: $ 17.53
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ID: 551276
Weight: 3.04ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.44
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ID: 482212
Weight: 25.11ct (total)
Size: 20.8 x 12.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 32.48
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ID: 333640
Weight: 15.10ct (total)
Size: 15.2 x 11 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 219.25
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ID: 493866
Weight: 4.33ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 31.03
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ID: 714890
Weight: 5.96ct
Size: 12.4 x 9.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 178.80
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ID: 606779
Weight: 2.83ct
Size: 10.5 x 9.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 37.36
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ID: 699155
Weight: 16.07ct
Size: 21.4 x 14.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 19.28
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ID: 721050
Weight: 0.56ct
Size: 8 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 4.70
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ID: 485339
Weight: 4.23ct (total)
Size: 9 x 9 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 22.33
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ID: 690250
Weight: 93.75ct
Size: 27.8 x 24.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 69.60
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ID: 370102
Weight: 1.14ct
Size: 15.5 x 3.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 24.43
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ID: 449670
Weight: 8.34ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 55.04
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ID: 547389
Weight: 0.94ct
Size: 6.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 7.04
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ID: 463393
Weight: 4.63ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 36.67
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ID: 394630
Weight: 1.16ct
Size: 8 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 57.02
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ID: 705958
Weight: 1.25ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 10.50
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ID: 590766
Weight: 8.92ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 83.95
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ID: 706890
Weight: 2.41ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.78
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ID: 711424
Weight: 0.50ct
Size: 6 x 4 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 1.33
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ID: 698561
Weight: 3.29ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.64
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ID: 712714
Weight: 8.16ct (total)
Size: 12 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 21.74
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ID: 485188
Weight: 6.16ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 32.52
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ID: 566426
Weight: 2.21ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 50.27
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ID: 503382
Weight: 6.21ct
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 40.44
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ID: 393282
Weight: 3.76ct
Size: 10 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 24.82
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ID: 709191
Weight: 0.48ct
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 20.16
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ID: 473188
Weight: 0.77ct
Size: 8.5 x 5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 55.91
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ID: 393473
Weight: 8.35ct
Size: 13 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 55.12
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ID: 707733
Weight: 11.59ct
Size: 18 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 83.45
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ID: 663094
Weight: 21.10ct (total)
Size: 19.8 x 17.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 14.94
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ID: 712249
Weight: 1.16ct
Size: 7 x 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 27.84
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ID: 304524
Weight: 0.95ct
Size: 6.9 x 5.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 94.06
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ID: 446121
Weight: 4.09ct
Size: 13 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 29.86
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ID: 724548
Weight: 0.41ct
Size: 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 68.88
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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

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
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 -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar 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

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

It was easy to find what I wanted

Posted By Villian in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very professional site

Posted By JR in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring

Posted By Desertchick in April, 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

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
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 -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar 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

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

It was easy to find what I wanted

Posted By Villian in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very professional site

Posted By JR in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring

Posted By Desertchick in April, 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