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

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ID: 656096
Weight: 10.41ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.24
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ID: 721826
Weight: 0.61ct
Size: 8 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 10.98
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ID: 734994
Weight: 2.70ct
Size: 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.50
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ID: 424775
Weight: 0.76ct
Size: 6.9 x 4.2 mm
Clarity: VS
Content: 1 pc
Price: $ 30.10
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ID: 443085
Weight: 3.37ct (total)
Size: 8 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 8.09
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ID: 387675
Weight: 2.79ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 18.42
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ID: 437318
Weight: 3.74ct (total)
Size: 8 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 7.40
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ID: 516182
Weight: 30.37ct
Size: 18.8 x 16.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.68
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ID: 458264
Weight: 1.91ct (total)
Size: 4.3 x 3.4 mm
Clarity: VS
Content: 6 pcs
Price: $ 252.12
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ID: 396081
Weight: 4.46ct
Size: 8.9 x 8.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 218.71
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ID: 590920
Weight: 15.85ct
Size: 15.3 x 14.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.81
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ID: 322365
Weight: 4.70ct (total)
Size: 8.5 x 7.1 mm
Clarity: Transparent/Translucent
Content: 2 pcs
Price: $ 31.02
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ID: 640660
Weight: 0.20ct
Size: 5 x 3 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 9.60
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ID: 617772
Weight: 1.62ct
Size: 7.9 x 6.6 mm
Clarity: VS
Content: 1 pc
Price: $ 34.45
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ID: 479668
Weight: 2.06ct (total)
Size: 10 x 5.1 mm
Clarity: VVS
Content: 2 pcs
Price: $ 21.76
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ID: 464352
Weight: 3.82ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 35.29
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ID: 673930
Weight: 14.11ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 202.99
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ID: 492918
Weight: 5.30ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 38.33
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ID: 706445
Weight: 8.51ct
Size: 12.8 x 12.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.36
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ID: 648156
Weight: 51.51ct
Size: 41.1 x 31.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 101.99
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ID: 673887
Weight: 2.83ct
Size: 12 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 44.09
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ID: 372503
Weight: 1.99ct
Size: 11.2 x 6.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 13.14
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ID: 539708
Weight: 2.19ct
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 42.76
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ID: 358194
Weight: 1.68ct
Size: 7.3 x 5.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 44.58
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ID: 720318
Weight: 1.02ct
Size: 7.1 x 4.3 mm
Clarity: VS
Content: 1 pc
Price: $ 98.17
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ID: 449715
Weight: 2.34ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 15.44
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ID: 401662
Weight: 3.11ct (total)
Size: 5 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 127.26
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ID: 464483
Weight: 2.71ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 25.04
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ID: 640012
Weight: 0.23ct
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 11.04
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ID: 523838
Weight: 10.20ct
Size: 18 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 80.78
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ID: 498638
Weight: 4.53ct (total)
Size: 10 x 5.1 mm
Clarity: VVS-VS
Content: 4 pcs
Price: $ 47.83
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ID: 371146
Weight: 10.07ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 18.72
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ID: 634898
Weight: 0.85ct
Size: 8 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 22.44
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ID: 711532
Weight: 6.89ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 18.36
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ID: 630676
Weight: 7.30ct
Size: 15 x 9.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 61.32
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ID: 687922
Weight: 8.85ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.62
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ID: 542082
Weight: 0.88ct (total)
Size: 6 x 4.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.45
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ID: 679127
Weight: 3.06ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.70
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ID: 682492
Weight: 9.23ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.08
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ID: 685670
Weight: 1.02ct
Size: 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 18.78
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ID: 706788
Weight: 1.29ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 12.38
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ID: 523999
Weight: 13.08ct
Size: 21.5 x 14.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 103.60
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ID: 554288
Weight: 1.47ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 38.81
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ID: 675844
Weight: 6.36ct
Size: 15 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 38.16
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ID: 431644
Weight: 1.72ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 18.13
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ID: 449816
Weight: 2.15ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 20.80
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ID: 617771
Weight: 1.69ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 35.94
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ID: 492376
Weight: 7.31ct
Size: 16.6 x 13.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 27.49
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ID: 724419
Weight: 0.54ct
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 16.20
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ID: 428006
Weight: 48.53ct
Size: 32 x 27.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.92
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ID: 720889
Weight: 1.41ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 11.84
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ID: 699233
Weight: 0.90ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 7.56
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ID: 377677
Weight: 4.11ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 105.31
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ID: 708815
Weight: 4.16ct
Size: 14 x 10.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 126.00
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ID: 478614
Weight: 0.50ct
Size: 4.6 x 4.6 mm
Clarity: VS
Content: 1 pc
Price: $ 21.14
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ID: 663358
Weight: 1.20ct
Size: 7.2 x 6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.80
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ID: 643663
Weight: 1.90ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.96
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ID: 733131
Weight: 2.98ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 26.93
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ID: 693354
Weight: 46.45ct
Size: 28.5 x 20.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.33
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ID: 725566
Weight: 2.44ct (total)
Size: 7.1 x 6.2 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 96.65
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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

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 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

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I'm happy.

Posted By Ray in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I like the way your website shows us what stone were buying as well the easy way to navigate the site. also knowing the stones are real...

Posted By RED in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar

Posted By TheP in January, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It is a good experience, it is easy to view the item, and easy to check out.

Posted By Neo in November, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mm Thanks

Posted By Ibie in February, 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 -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 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

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I'm happy.

Posted By Ray in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I like the way your website shows us what stone were buying as well the easy way to navigate the site. also knowing the stones are real...

Posted By RED in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar

Posted By TheP in January, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It is a good experience, it is easy to view the item, and easy to check out.

Posted By Neo in November, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mm Thanks

Posted By Ibie in February, 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