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

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ID: 720369
Weight: 0.94ct
Size: 5.8 x 4.9 mm
Clarity: VS
Content: 1 pc
Price: $ 90.48
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ID: 718460
Weight: 0.61ct
Size: 5.2 x 4 mm
Clarity: VVS
Content: 1 pc
Price: $ 18.30
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ID: 563565
Weight: 0.79ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 17.72
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ID: 639892
Weight: 0.68ct
Size: 6.1 x 4.2 mm
Clarity: VVS
Price: $ 5.71
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ID: 314619
Weight: 2.90ct (total)
Size: 3 x 3 mm (calibrated)
Clarity: Transparent
Content: 20 pcs
Price: $ 65.08
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ID: 342025
Weight: 3.86ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 37.45
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ID: 650056
Weight: 1.00ct (total)
Size: 5.4 x 5.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.40
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ID: 390932
Weight: 1.60ct
Size: 7.9 x 6.3 mm
Clarity: VS
Content: 1 pc
Price: $ 57.42
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ID: 622732
Weight: 1.08ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 19.96
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ID: 471972
Weight: 1.97ct
Size: 8 x 6.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 520.08
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ID: 698495
Weight: 3.52ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 29.57
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ID: 693758
Weight: 51.77ct
Size: 26.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.04
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ID: 682347
Weight: 23.30ct
Size: 25.2 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 223.68
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ID: 539677
Weight: 2.53ct (total)
Size: 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 49.39
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ID: 714770
Weight: 0.83ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 44.82
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ID: 567415
Weight: 0.16ct (total)
Size: 2.6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 344.63
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ID: 682342
Weight: 19.40ct
Size: 21.8 x 13.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 186.24
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ID: 616051
Weight: 0.89ct
Size: 6.9 x 4.8 mm
Clarity: SI
Content: 1 pc
Price: $ 22.32
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ID: 334759
Weight: 8.96ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 59.14
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ID: 427685
Weight: 2.47ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 16.31
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ID: 456985
Weight: 8.81ct
Size: 16.4 x 9.2 mm
Clarity: VS
Content: 1 pc
Price: $ 38.76
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ID: 706383
Weight: 7.32ct
Size: 12.8 x 11.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.93
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ID: 721392
Weight: 0.54ct
Size: 8 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 9.72
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ID: 409971
Weight: 2.69ct (total)
Size: 7.5 x 5 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 12.85
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ID: 413005
Weight: 2.82ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 3 pcs
Price: $ 74.45
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ID: 708752
Weight: 1.47ct
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.36
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ID: 433676
Weight: 6.30ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 41.58
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ID: 736132
Weight: 9.84ct
Size: 22.8 x 15 mm
Clarity: Translucent
Content: 1 pc
Price: $ 243.13
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ID: 408132
Weight: 10.22ct
Size: 14 x 14 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 24.14
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ID: 711964
Weight: 1.89ct
Size: 9 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.04
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ID: 683066
Weight: 8.48ct
Size: 20.9 x 10 mm
Clarity: Transparent
Content: 1 pc
Price: $ 81.41
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ID: 332929
Weight: 19.49ct
Size: 18 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.88
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ID: 615299
Weight: 1.14ct
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 12.04
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ID: 640372
Weight: 0.85ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 24.48
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ID: 704642
Weight: 1.21ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 36.30
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ID: 656577
Weight: 3.45ct
Size: 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 20.70
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ID: 635454
Weight: 0.92ct
Size: 5.9 x 5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 16.86
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ID: 663771
Weight: 1.02ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Price: $ 8.57
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ID: 435426
Weight: 8.58ct
Size: 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 28.09
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ID: 700094
Weight: 7.92ct
Size: 12.9 x 12.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 7.61
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ID: 619369
Weight: 5.06ct
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 25.58
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ID: 677974
Weight: 0.22ct (total)
Size: 2.3 x 2.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 132.00
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ID: 368921
Weight: 2.23ct
Size: 8.5 x 7.7 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 14.48
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ID: 357454
Weight: 4.01ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 26.47
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ID: 649886
Weight: 1.77ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 14.87
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ID: 693011
Weight: 38.92ct
Size: 47.7 x 9.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.02
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ID: 515495
Weight: 19.94ct
Size: 20.4 x 14.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.32
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ID: 430873
Weight: 5.26ct
Size: 13.5 x 7.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 13.68
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ID: 575433
Weight: 2.98ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 86.54
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ID: 460524
Weight: 3.59ct
Size: 13 x 9 mm (calibrated)
Clarity: VS
Price: $ 33.17
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ID: 385254
Weight: 4.33ct
Size: 21.6 x 10.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 38.98
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ID: 707114
Weight: 2.05ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.92
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ID: 672302
Weight: 0.73ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 17.52
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ID: 645470
Weight: 34.05ct
Size: 33.7 x 24 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.44
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ID: 610350
Weight: 22.13ct (total)
Size: 21.6 x 17.6 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 29.21
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ID: 530502
Weight: 2.83ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 24.29
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ID: 542975
Weight: 0.90ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.50
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ID: 620781
Weight: 1.32ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 12.19
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ID: 663120
Weight: 1.83ct
Size: 7.3 x 6.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 10.98
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ID: 735197
Weight: 1.96ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 94.08
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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 -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 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 -> 10 star ratings

easy site to navigate

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

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 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

Overall Rating -> 10 star ratings

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have ordered from Genselect before and always had a great experience. My go to source!

Posted By Kycaver in October, 2024
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

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. 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 -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 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 -> 10 star ratings

easy site to navigate

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

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 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

Overall Rating -> 10 star ratings

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have ordered from Genselect before and always had a great experience. My go to source!

Posted By Kycaver in October, 2024
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

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. 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