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

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ID: 520553
Weight: 4.73ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 43.70
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ID: 567111
Weight: 4.46ct
Size: 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 13.48
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ID: 675889
Weight: 3.67ct
Size: 21.8 x 6.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.44
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ID: 463893
Weight: 3.98ct
Size: 10.5 mm
Clarity: VVS-VS
Price: $ 7.88
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ID: 534216
Weight: 3.19ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 29.47
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ID: 643787
Weight: 0.94ct
Size: 6.6 x 5.4 mm
Clarity: VS
Content: 1 pc
Price: $ 22.56
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ID: 681897
Weight: 12.50ct
Size: 27.2 x 9.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 120.00
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ID: 673559
Weight: 0.92ct
Size: 9.4 x 7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 38.64
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ID: 472295
Weight: 24.85ct
Size: 20.6 x 16.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 229.62
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ID: 393165
Weight: 7.74ct (total)
Size: 12 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 51.08
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ID: 736787
Weight: 4.01ct
Size: 13 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 20.05
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ID: 730981
Weight: 0.91ct
Size: 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 8.74
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ID: 613460
Weight: 0.68ct
Size: 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 42.97
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ID: 546363
Weight: 41.66ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 33.00
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ID: 531862
Weight: 3.71ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 19.58
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ID: 513699
Weight: 22.08ct
Size: 26.5 x 16.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.15
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ID: 681900
Weight: 14.37ct
Size: 22.4 x 11.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 137.95
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ID: 674626
Weight: 14.20ct
Size: 17.3 x 14.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 30.53
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ID: 353787
Weight: 4.74ct (total)
Size: 5.1 x 4.1 mm
Clarity: VS
Content: 10 pcs
Price: $ 50.05
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ID: 612071
Weight: 10.52ct
Size: 16 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 41.66
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ID: 448519
Weight: 32.86ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 65.06
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ID: 700719
Weight: 23.42ct
Size: 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 22.49
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ID: 466179
Weight: 7.69ct
Size: 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.23
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ID: 733087
Weight: 0.55ct
Size: 5 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 23.10
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ID: 401141
Weight: 28.02ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 55.48
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ID: 693786
Weight: 79.22ct
Size: 45.3 x 25.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 55.14
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ID: 684224
Weight: 0.97ct (total)
Size: 5.1 x 4.2 mm
Clarity: VS
Content: 2 pcs
Price: $ 40.74
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ID: 624901
Weight: 2.62ct
Size: 12.5 x 8.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 7.92
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ID: 700082
Weight: 1.46ct
Size: 6.7 x 5.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 87.60
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ID: 530492
Weight: 2.60ct
Size: 12 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 22.31
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ID: 673062
Weight: 23.00ct
Size: 27.6 x 16.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 27.60
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ID: 482227
Weight: 2.23ct
Size: 8.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 16.08
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ID: 645866
Weight: 5.14ct
Size: 11.2 x 9.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 16.03
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ID: 367827
Weight: 5.42ct
Size: 15.4 x 7.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.56
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ID: 435371
Weight: 5.00ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 39.60
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ID: 569740
Weight: 4.40ct
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 32.41
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ID: 384114
Weight: 12.71ct
Size: 18.3 x 11.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 50.33
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ID: 571511
Weight: 1.76ct
Size: 11.8 x 5.1 mm
Clarity: VS
Content: 1 pc
Price: $ 11.62
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ID: 558052
Weight: 0.99ct (total)
Size: 4.2 x 4.2 mm
Clarity: VS
Content: 2 pcs
Price: $ 7.84
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ID: 622560
Weight: 1.52ct
Size: 7.7 x 6.4 mm
Clarity: VS
Content: 1 pc
Price: $ 31.96
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ID: 616022
Weight: 1.15ct
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 12.14
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ID: 393193
Weight: 13.64ct (total)
Size: 12 x 12 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 90.02
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ID: 478681
Weight: 0.85ct
Size: 6.6 x 5 mm
Clarity: VS
Content: 1 pc
Price: $ 35.94
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ID: 721864
Weight: 36.37ct
Size: 25.2 x 20.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 43.64
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ID: 658609
Weight: 12.79ct
Size: 19.5 x 14 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.72
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ID: 629949
Weight: 7.48ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 62.83
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ID: 657622
Weight: 8.75ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.50
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ID: 737375
Weight: 2.12ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 95.40
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ID: 398358
Weight: 3.49ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 138.20
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ID: 721182
Weight: 1.22ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 10.25
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ID: 622535
Weight: 1.30ct
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 29.17
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ID: 716438
Weight: 22.11ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 212.26
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ID: 593886
Weight: 16.58ct (total)
Size: 20.5 x 12.2 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 43.78
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ID: 524257
Weight: 0.70ct (total)
Size: 6.9 x 3.4 mm
Clarity: VS
Content: 2 pcs
Price: $ 7.39
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ID: 696803
Weight: 0.67ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 4.02
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ID: 345983
Weight: 17.48ct
Size: 18.1 x 15.1 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 29.99
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ID: 730359
Weight: 0.27ct
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 12.96
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ID: 709316
Weight: 39.89ct
Size: 23.8 x 18.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 143.60
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ID: 718133
Weight: 1.07ct (total)
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 32.10
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ID: 682429
Weight: 6.30ct
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 37.80
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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

I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!

Posted By Leo in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found the website easy to work with. The gemstones are lovely.

Posted By Sophie-Tiger 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 have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.

Posted By Sam in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have bought many stones from GemsSelect and have been very satisfied with all!I will continue to buy and recommend this site!

Posted By DG in July, 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

Awesome

Posted By D in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Muy serios y muy oportunos para el envo

Posted By Veronica in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Great experience shopping and finding what I was looking for, the only improvement I could think of would be allowing to filter more than one size at a time.

Posted By Tlicious04 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 -> 9 star ratings

I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!

Posted By Leo in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found the website easy to work with. The gemstones are lovely.

Posted By Sophie-Tiger 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 have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.

Posted By Sam in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have bought many stones from GemsSelect and have been very satisfied with all!I will continue to buy and recommend this site!

Posted By DG in July, 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

Awesome

Posted By D in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Muy serios y muy oportunos para el envo

Posted By Veronica in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Great experience shopping and finding what I was looking for, the only improvement I could think of would be allowing to filter more than one size at a time.

Posted By Tlicious04 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