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

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ID: 660353
Weight: 1.64ct
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 39.36
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ID: 476697
Weight: 16.47ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.91
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ID: 730485
Weight: 47.50ct
Size: 35.5 x 24.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 45.60
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ID: 543730
Weight: 0.87ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.04
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ID: 377684
Weight: 5.27ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 5 pcs
Price: $ 135.02
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ID: 400238
Weight: 4.24ct (total)
Size: 7.5 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 13.99
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ID: 450485
Weight: 5.68ct
Size: 12.6 x 10.4 mm
Clarity: VS
Content: 1 pc
Price: $ 52.49
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ID: 624235
Weight: 1.98ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 143.75
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ID: 685621
Weight: 0.09ct (total)
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 31.50
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ID: 727469
Weight: 0.23ct
Size: 3.9 x 3 mm
Clarity: VS
Content: 1 pc
Price: $ 9.66
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ID: 706885
Weight: 1.98ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.75
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ID: 720325
Weight: 1.21ct
Size: 6.9 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 116.46
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ID: 730134
Weight: 21.30ct
Size: 25.2 x 16 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.45
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ID: 657905
Weight: 0.81ct
Size: 6.7 x 4.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 3.89
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ID: 383478
Weight: 1.22ct
Size: 18.6 x 3 mm
Clarity: VS
Content: 1 pc
Price: $ 30.89
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ID: 558216
Weight: 3.39ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.63
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ID: 560862
Weight: 0.94ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 8.69
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ID: 548101
Weight: 1.61ct
Size: 7.3 x 5.9 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 32.62
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ID: 369571
Weight: 1.62ct
Size: 9 x 7.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 69.35
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ID: 662013
Weight: 1.06ct
Size: 9 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 2.56
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ID: 691182
Weight: 3.03ct
Size: 8.7 x 8 mm
Clarity: VVS
Content: 1 pc
Price: $ 100.46
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ID: 608484
Weight: 7.34ct (total)
Size: 10 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 135.65
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ID: 721574
Weight: 0.73ct
Size: 6.5 x 4.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 29.20
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ID: 394758
Weight: 5.53ct
Size: 11 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 36.50
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ID: 364098
Weight: 10.41ct
Size: 22.2 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 27.48
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ID: 534143
Weight: 3.07ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.31
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ID: 592969
Weight: 1.36ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 44.88
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ID: 501474
Weight: 8.30ct
Size: 16 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 34.84
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ID: 433947
Weight: 4.29ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 28.32
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ID: 346803
Weight: 1.46ct
Size: 12.2 x 3.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 59.35
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ID: 687680
Weight: 13.97ct
Size: 20.4 x 12.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.24
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ID: 602705
Weight: 1.53ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 14.14
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ID: 612254
Weight: 1.25ct
Size: 6.4 x 5.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 8.26
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ID: 479833
Weight: 4.01ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 37.06
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ID: 713437
Weight: 0.77ct
Size: 7.3 x 5.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 6.47
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ID: 721048
Weight: 0.57ct
Size: 8 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 4.79
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ID: 477793
Weight: 5.31ct
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 37.30
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ID: 694864
Weight: 2.52ct
Size: 9.1 x 5.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 75.60
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ID: 714358
Weight: 0.32ct
Size: 4 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 9.60
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ID: 725697
Weight: 0.87ct
Size: 5.8 x 5.6 mm
Clarity: VS
Content: 1 pc
Price: $ 73.86
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ID: 625113
Weight: 0.82ct
Size: 6.6 x 4.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 3.25
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ID: 341540
Weight: 4.81ct (total)
Size: 3.5 x 3.5 mm
Clarity: VS-SI
Content: 20 pcs
Price: $ 42.23
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ID: 479667
Weight: 2.35ct (total)
Size: 9.8 x 5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 24.82
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ID: 716448
Weight: 2.69ct
Size: 11.4 x 7.1 mm
Clarity: VS
Content: 1 pc
Price: $ 387.36
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ID: 721561
Weight: 22.03ct
Size: 33.5 x 21.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 79.31
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ID: 413305
Weight: 2.86ct (total)
Size: 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 75.50
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ID: 701024
Weight: 0.42ct
Size: 4.3 mm
Clarity: SI
Content: 1 pc
Price: $ 25.20
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ID: 724016
Weight: 17.08ct
Size: 14.9 x 13.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.29
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ID: 589310
Weight: 3.46ct
Size: 11.2 x 8.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 104.32
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ID: 583686
Weight: 2.77ct
Size: 10.6 x 8.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 7.31
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ID: 416145
Weight: 1.44ct
Size: 11.4 x 3.8 mm
Clarity: VS
Content: 1 pc
Price: $ 45.62
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ID: 350912
Weight: 3.57ct (total)
Size: 3.5 x 3.5 mm
Clarity: VS-SI
Content: 15 pcs
Price: $ 32.99
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ID: 727857
Weight: 0.85ct
Size: 6 x 5.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 5.10
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ID: 548714
Weight: 25.41ct
Size: 23 x 17.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 40.25
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ID: 686520
Weight: 0.25ct
Size: 5.5 x 2.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 16.50
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ID: 492369
Weight: 7.28ct
Size: 15.1 x 12.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 27.40
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ID: 533864
Weight: 2.90ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.80
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ID: 716096
Weight: 3.27ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 31.39
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ID: 679954
Weight: 28.85ct
Size: 23.8 x 16.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 276.96
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ID: 688282
Weight: 3.31ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 3.97
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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 was looking for a site with every type of gem I could want for setting in luxury blades and assumed I would need to look outside the US, but GemSelect made it easy to get everything I wanted without leaving the house! Wide enough selection that I do not feel the need to look elsewhere and pricing the same.

Posted By Razormane in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 2025
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

Good shopping experience. Website is relatively easy to use. Prices are good.

Posted By Bleep in August, 2024
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 -> 10 star ratings

It was easy to find what I wanted

Posted By Villian in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

This is a wonderful website

Posted By Bryan Diaz in September, 2024
Source: Bizrate

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

I enjoy doing buisness with GemSelect. It is always a pleasure and you get what you ordered!

Posted By Ballpark in December, 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 was looking for a site with every type of gem I could want for setting in luxury blades and assumed I would need to look outside the US, but GemSelect made it easy to get everything I wanted without leaving the house! Wide enough selection that I do not feel the need to look elsewhere and pricing the same.

Posted By Razormane in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 2025
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

Good shopping experience. Website is relatively easy to use. Prices are good.

Posted By Bleep in August, 2024
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 -> 10 star ratings

It was easy to find what I wanted

Posted By Villian in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

This is a wonderful website

Posted By Bryan Diaz in September, 2024
Source: Bizrate

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

I enjoy doing buisness with GemSelect. It is always a pleasure and you get what you ordered!

Posted By Ballpark in December, 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