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

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ID: 446745
Weight: 5.25ct
Size: 13 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 17.32
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ID: 662166
Weight: 6.12ct
Size: 14.9 x 11.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.09
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ID: 691645
Weight: 33.59ct
Size: 35.4 x 25.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.65
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ID: 723012
Weight: 0.52ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.60
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ID: 550828
Weight: 1.09ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Price: $ 8.20
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ID: 691833
Weight: 2.29ct
Size: 7.3 x 6.6 mm
Clarity: VS
Content: 1 pc
Price: $ 75.92
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ID: 725853
Weight: 0.64ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 6.14
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ID: 485323
Weight: 3.25ct
Size: 10 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.16
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ID: 480849
Weight: 5.96ct (total)
Size: 4.9 x 4.8 mm
Clarity: Transparent
Content: 30 pcs
Price: $ 50.98
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ID: 662832
Weight: 0.84ct
Size: 6 x 5.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 6.18
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ID: 542085
Weight: 0.96ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 10.14
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ID: 610074
Weight: 11.00ct
Size: 27 x 13.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.45
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ID: 721352
Weight: 16.88ct
Size: 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 20.26
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ID: 688790
Weight: 1.70ct
Size: 10 x 7.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 51.00
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ID: 606933
Weight: 27.60ct (total)
Size: 20.2 x 13.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 43.00
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ID: 545248
Weight: 2.88ct
Size: 7.9 x 7.3 mm
Clarity: VS
Content: 1 pc
Price: $ 218.59
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ID: 594681
Weight: 1.59ct
Size: 7.8 x 6.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 37.78
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ID: 586313
Weight: 2.58ct
Size: 10.2 x 7.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 154.80
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ID: 345951
Weight: 16.85ct
Size: 16.3 x 14.7 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 28.91
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ID: 460645
Weight: 3.27ct
Size: 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 30.22
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ID: 429868
Weight: 1.83ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 36.24
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ID: 439961
Weight: 3.69ct (total)
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 7.31
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ID: 435922
Weight: 8.80ct
Size: 14 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 28.80
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ID: 531003
Weight: 3.31ct
Size: 9 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 30.59
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ID: 724915
Weight: 0.50ct
Size: 17.8 x 2.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 21.00
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ID: 685863
Weight: 1.60ct
Size: 7.9 x 6.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 29.45
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ID: 696440
Weight: 55.46ct
Size: 37.6 x 26 mm
Clarity: Opaque
Content: 1 pc
Price: $ 99.83
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ID: 382642
Weight: 21.12ct
Size: 23.8 x 17.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 83.64
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ID: 596475
Weight: 16.38ct
Size: 17.1 x 12.6 mm
Clarity: VS
Content: 1 pc
Price: $ 144.43
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ID: 711517
Weight: 0.88ct
Size: 5.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 17.57
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ID: 711819
Weight: 10.31ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 27.47
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ID: 423137
Weight: 36.32ct (total)
Size: 8.5 mm
Clarity: Translucent
Content: 8 pcs
Price: $ 47.94
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ID: 730342
Weight: 0.70ct
Size: 10.3 x 3.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 42.00
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ID: 486009
Weight: 2.88ct
Size: 9.1 x 6.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 26.62
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ID: 618134
Weight: 3.87ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 127.72
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ID: 500212
Weight: 2.01ct (total)
Size: 2.1 mm (calibrated)
Clarity: Transparent
Content: 30 pcs
Price: $ 13.27
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ID: 431481
Weight: 1.72ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 18.13
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ID: 714765
Weight: 0.34ct
Size: 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 18.36
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ID: 687170
Weight: 6.62ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.94
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ID: 366562
Weight: 1.02ct
Size: 7.6 x 5.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 143.22
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ID: 633040
Weight: 16.00ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 85.06
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ID: 687193
Weight: 1.04ct (total)
Size: 6 x 4.2 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 22.46
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ID: 674469
Weight: 0.66ct
Size: 8 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 4.75
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ID: 570065
Weight: 3.40ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 25.04
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ID: 686826
Weight: 2.72ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 3.26
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ID: 450970
Weight: 1.33ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 12.29
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ID: 682555
Weight: 0.56ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 10.08
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ID: 528889
Weight: 1.68ct
Size: 7.9 x 6.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 33.26
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ID: 725010
Weight: 6.36ct
Size: 11.9 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 7.25
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ID: 624229
Weight: 1.01ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 73.33
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ID: 341509
Weight: 7.59ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 10 pcs
Price: $ 77.14
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ID: 384188
Weight: 21.22ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 84.04
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ID: 310980
Weight: 3.06ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 177.72
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ID: 590925
Weight: 1.03ct
Size: 6 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 20.82
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ID: 520886
Weight: 2.10ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 19.40
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ID: 715334
Weight: 0.87ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 125.28
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ID: 518313
Weight: 28.42ct
Size: 22.5 x 15.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 30.35
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ID: 466228
Weight: 3.61ct (total)
Size: 12 x 6.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 38.12
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ID: 711813
Weight: 6.76ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 18.01
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ID: 472043
Weight: 42.70ct
Size: 32 x 18.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 18.04
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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

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 -> 10 star ratings

I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.

Posted By Desertchick in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Had no difficulty with the website. The only difficulty I had today was making the choice of what I wanted to purchase. There are just so many delicious stones to choose from!!

Posted By Desertchick in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

very good

Posted By Son Gift in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

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

Posted By Ibie in February, 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 -> 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

Good products

Posted By Brave in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoyed shopping.

Posted By Chris in March, 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 -> 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 -> 10 star ratings

I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.

Posted By Desertchick in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Had no difficulty with the website. The only difficulty I had today was making the choice of what I wanted to purchase. There are just so many delicious stones to choose from!!

Posted By Desertchick in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

very good

Posted By Son Gift in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

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

Posted By Ibie in February, 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 -> 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

Good products

Posted By Brave in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoyed shopping.

Posted By Chris in March, 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