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

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ID: 730480
Weight: 3.09ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 27.66
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ID: 713390
Weight: 15.85ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 133.14
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ID: 698498
Weight: 0.84ct
Size: 6 x 4.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 5.04
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ID: 694844
Weight: 4.33ct
Size: 11.5 x 10.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 29.93
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ID: 707100
Weight: 1.70ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.08
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ID: 485192
Weight: 2.32ct (total)
Size: 8.4 x 8.2 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 12.25
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ID: 466427
Weight: 5.09ct (total)
Size: 8 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 171.02
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ID: 722374
Weight: 21.38ct
Size: 32.7 x 15.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 76.97
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ID: 686720
Weight: 8.53ct (total)
Size: 20.2 x 10.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 25.18
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ID: 674625
Weight: 16.50ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 42.58
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ID: 564683
Weight: 4.11ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 27.13
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ID: 735775
Weight: 42.42ct
Size: 39.9 x 21.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 35.12
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ID: 718581
Weight: 5.42ct
Size: 12 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 24.40
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ID: 690636
Weight: 0.38ct
Size: 3.9 x 3.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.48
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ID: 450983
Weight: 3.00ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 27.72
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ID: 463311
Weight: 4.34ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 34.37
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ID: 715097
Weight: 3.39ct (total)
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 8.78
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ID: 656649
Weight: 1.71ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 28.73
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ID: 505932
Weight: avg. 0.64 ct / each
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Price: $ 3.50
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ID: 537518
Weight: 0.95ct
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 21.29
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ID: 439417
Weight: 3.52ct (total)
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 45.85
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ID: 723381
Weight: 1.60ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.36
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ID: 385664
Weight: 4.66ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 10 pcs
Price: $ 30.76
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ID: 458267
Weight: 1.97ct (total)
Size: 4.4 x 3.5 mm
Clarity: VS
Content: 6 pcs
Price: $ 260.04
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ID: 640104
Weight: 0.74ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 7.99
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ID: 687056
Weight: 2.49ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 23.90
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ID: 724681
Weight: 0.29ct
Size: 5.5 x 3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 48.72
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ID: 471777
Weight: 11.06ct
Size: 14 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 2,919.84
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ID: 672119
Weight: 0.83ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 19.92
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ID: 696474
Weight: 59.54ct
Size: 38.1 x 25 mm
Clarity: Opaque
Content: 1 pc
Price: $ 107.17
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ID: 705838
Weight: 1.52ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 12.77
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ID: 721933
Weight: 4.50ct
Size: 12.6 x 9.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 5.40
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ID: 385562
Weight: 4.83ct
Size: 13 x 7.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.37
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ID: 674112
Weight: 2.77ct
Size: 12 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 43.15
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ID: 438805
Weight: 1.69ct
Size: 6.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 44.62
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ID: 659999
Weight: 1.42ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 34.08
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ID: 694283
Weight: 0.99ct
Size: 10.3 x 3.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 29.70
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ID: 711013
Weight: 1.18ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 23.57
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ID: 682434
Weight: 11.01ct
Size: 16 x 13.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 66.06
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ID: 446744
Weight: 5.19ct
Size: 13 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 17.14
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ID: 730436
Weight: 1.64ct
Size: 7.9 x 6.5 mm
Clarity: VS
Content: 1 pc
Price: $ 275.52
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ID: 453670
Weight: 4.02ct
Size: 11.5 x 10.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 37.14
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ID: 711001
Weight: 11.39ct
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 30.35
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ID: 595272
Weight: 11.02ct
Size: 16 x 16 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 43.64
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ID: 453727
Weight: 3.54ct
Size: 11.8 x 9 mm
Clarity: VVS
Content: 1 pc
Price: $ 32.71
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ID: 485334
Weight: 7.08ct (total)
Size: 9 x 9 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 18.70
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ID: 710447
Weight: 1.64ct
Size: 7.2 x 5.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 29.39
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ID: 471979
Weight: 3.24ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 272.16
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ID: 735769
Weight: 12.36ct
Size: 23.5 x 14.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 10.24
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ID: 655919
Weight: 16.00ct
Size: 35.3 x 15.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 81.79
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ID: 697852
Weight: 3.78ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 22.68
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ID: 475664
Weight: 6.32ct
Size: 16 x 12 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 58.39
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ID: 659454
Weight: 1.92ct
Size: 7.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.61
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ID: 486715
Weight: 7.07ct
Size: 13.6 x 10.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 72.14
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ID: 575204
Weight: 1.24ct
Size: 8.1 x 6.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 130.94
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ID: 691399
Weight: 14.01ct
Size: 16.3 x 11.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.48
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ID: 411819
Weight: 5.52ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 5 pcs
Price: $ 255.02
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ID: 663986
Weight: 1.07ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS
Price: $ 7.49
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ID: 619973
Weight: 5.46ct
Size: 12 x 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 27.60
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ID: 644280
Weight: 1.36ct
Size: 9 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 11.42
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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

Site is easy to navigate - details on cut, polish, and finish work and techniques were helpful. 3d view or wireframe diagram of stones would be nice.

Posted By Tb in August, 2024
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

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

Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson in May, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

The website was nice and I bought some gems

Posted By Jay in December, 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 love the quality, package and info of your gems.

Posted By Diana in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love gemstones. My father was a jeweler & I used to shop for stones for him.

Posted By Andie 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

Site is easy to navigate - details on cut, polish, and finish work and techniques were helpful. 3d view or wireframe diagram of stones would be nice.

Posted By Tb in August, 2024
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

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

Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson in May, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

The website was nice and I bought some gems

Posted By Jay in December, 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 love the quality, package and info of your gems.

Posted By Diana in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love gemstones. My father was a jeweler & I used to shop for stones for him.

Posted By Andie 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