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

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ID: 694483
Weight: 28.57ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 30.85
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ID: 625514
Weight: 1.41ct
Size: 7.3 x 5.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 5.58
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ID: 572186
Weight: 3.02ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.90
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ID: 717436
Weight: 14.42ct
Size: 19.9 x 14.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 27.52
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ID: 431533
Weight: 2.50ct
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 59.40
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ID: 678131
Weight: 0.30ct
Size: 3 x 3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 180.00
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ID: 565153
Weight: 0.16ct (total)
Size: 2.8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 350.23
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ID: 579544
Weight: 3.19ct
Size: 10.7 x 7.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 52.64
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ID: 545091
Weight: 1.97ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.69
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ID: 619779
Weight: 17.72ct (total)
Size: 16 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 46.78
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ID: 497301
Weight: 2.60ct
Size: 8.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 15.60
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ID: 650598
Weight: 0.82ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 6.89
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ID: 682340
Weight: 9.87ct
Size: 21.7 x 9.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 94.75
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ID: 503749
Weight: 4.68ct (total)
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 43.25
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ID: 702031
Weight: 5.28ct
Size: 16.6 x 7.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.68
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ID: 479049
Weight: 2.28ct (total)
Size: 10.1 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 24.07
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ID: 668695
Weight: 0.52ct
Size: 4.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 499.20
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ID: 430097
Weight: 2.04ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 85.68
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ID: 394921
Weight: 5.58ct
Size: 10.5 x 10.5 mm
Clarity: VVS-VS
Price: $ 36.83
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ID: 350278
Weight: 1.47ct
Size: 17.2 x 3.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 42.68
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ID: 648256
Weight: 15.06ct
Size: 20.8 x 15.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 8.68
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ID: 388094
Weight: 3.05ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 20.14
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ID: 673570
Weight: 6.42ct
Size: 16.8 x 11.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 115.56
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ID: 715447
Weight: 1.42ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.63
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ID: 721716
Weight: 0.62ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 11.16
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ID: 266275
Weight: 22.07ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 80.11
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ID: 430947
Weight: 6.36ct
Size: 14.6 x 8.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 16.54
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ID: 699562
Weight: 31.41ct
Size: 32.5 x 22.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 26.39
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ID: 497625
Weight: 46.22ct
Size: 38.4 x 24.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 61.01
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ID: 650587
Weight: 6.57ct (total)
Size: 11.1 x 9.9 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 41.78
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ID: 530269
Weight: 6.98ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 27.64
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ID: 635172
Weight: 14.63ct
Size: 22.3 x 18.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.12
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ID: 337589
Weight: 6.64ct (total)
Size: 4.5 mm (calibrated)
Clarity: Transparent
Content: 10 pcs
Price: $ 61.36
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ID: 582784
Weight: 1.80ct
Size: 9.6 x 7.4 mm
Clarity: VS
Content: 1 pc
Price: $ 95.04
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ID: 413677
Weight: 10.75ct
Size: 14 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 295.63
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ID: 720164
Weight: 0.96ct
Size: 6.2 x 5.3 mm
Clarity: VS
Content: 1 pc
Price: $ 172.80
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ID: 712001
Weight: 12.83ct
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 34.18
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ID: 721522
Weight: 9.53ct
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.44
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ID: 488560
Weight: 42.66ct
Size: 37.1 x 23.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.54
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ID: 701122
Weight: 39.34ct
Size: 30.9 x 20.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 33.05
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ID: 383711
Weight: 1.95ct
Size: 23.1 x 3.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 44.70
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ID: 693552
Weight: 2.69ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 89.18
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ID: 650883
Weight: 19.22ct
Size: 26.4 x 18 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.53
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ID: 727276
Weight: 0.92ct
Size: 5.2 x 4.7 mm
Clarity: VS
Content: 1 pc
Price: $ 55.20
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ID: 401917
Weight: 0.90ct
Size: 6.4 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 101.54
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ID: 713065
Weight: 4.96ct (total)
Size: 12 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 13.21
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ID: 418246
Weight: 5.83ct
Size: 13.2 x 10.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 30.78
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ID: 645954
Weight: 17.33ct
Size: 23.8 x 18.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.78
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ID: 725888
Weight: 1.45ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 13.92
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ID: 676231
Weight: 5.03ct
Size: 18.8 x 11.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.30
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ID: 673467
Weight: 5.61ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 33.66
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ID: 687407
Weight: 6.42ct
Size: 23.5 x 9.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.79
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ID: 623561
Weight: 1.57ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Price: $ 14.51
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ID: 408096
Weight: 6.34ct
Size: 13 mm (calibrated)
Clarity: VVS
Price: $ 14.99
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ID: 367159
Weight: 7.12ct
Size: 15.4 x 9.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 48.41
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ID: 625166
Weight: 1.14ct
Size: 8.2 x 6.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 30.10
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ID: 737370
Weight: 1.90ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 85.50
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ID: 721835
Weight: 21.45ct
Size: 18.7 x 16.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.74
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ID: 455164
Weight: 19.75ct (total)
Size: 16.2 x 10.2 mm
Clarity: Transparent
Content: 4 pcs
Price: $ 33.11
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ID: 460911
Weight: 2.74ct
Size: 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 25.32
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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 found exactly what I was looking for and ordered it. I like how you give information on the stones I'm buying. Glad I found you!

Posted By TheP in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

love these guys been ordering since 2000 maybe

Posted By JHT in April, 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

All Good

Posted By Boru in July, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I love wide range of stones. Always have my preference.

Posted By Ray in April, 2025
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

Overall Rating -> 10 star ratings

Easy and convenient

Posted By Butch in September, 2024
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 -> 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

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 found exactly what I was looking for and ordered it. I like how you give information on the stones I'm buying. Glad I found you!

Posted By TheP in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

love these guys been ordering since 2000 maybe

Posted By JHT in April, 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

All Good

Posted By Boru in July, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I love wide range of stones. Always have my preference.

Posted By Ray in April, 2025
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

Overall Rating -> 10 star ratings

Easy and convenient

Posted By Butch in September, 2024
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 -> 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

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