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

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ID: 604523
Weight: 18.27ct
Size: 26.2 x 17 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.30
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ID: 494740
Weight: 3.72ct
Size: 14.6 x 9.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.90
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ID: 464426
Weight: 3.47ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 32.06
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ID: 663371
Weight: 3.91ct
Size: 12.1 x 18.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 32.84
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ID: 606485
Weight: 19.51ct (total)
Size: 18.3 x 12.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 30.38
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ID: 396083
Weight: 3.83ct
Size: 8.5 x 8.4 mm
Clarity: VS
Content: 1 pc
Price: $ 187.81
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ID: 325788
Weight: 5.21ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 5 pcs
Price: $ 200.59
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ID: 408215
Weight: 8.07ct
Size: 11.5 x 11.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 19.08
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ID: 534772
Weight: 3.26ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.82
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ID: 710383
Weight: 2.83ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 19.81
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ID: 542546
Weight: 0.93ct (total)
Size: 6.1 x 4.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.82
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ID: 712906
Weight: 1.99ct
Size: 8.4 x 7.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 47.76
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ID: 721643
Weight: 4.89ct
Size: 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 5.87
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ID: 692685
Weight: 10.71ct
Size: 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 10.28
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ID: 426015
Weight: 2.13ct
Size: 8.8 x 7.4 mm
Clarity: VS
Content: 1 pc
Price: $ 97.03
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ID: 626627
Weight: 20.81ct
Size: 19.1 x 13.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 109.06
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ID: 411822
Weight: 4.04ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 186.65
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ID: 610321
Weight: 5.63ct
Size: 22 x 8.9 mm
Clarity: Transparent
Price: $ 7.43
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ID: 670670
Weight: 1.06ct (total)
Size: 4.2 x 4.1 mm
Clarity: VS
Content: 2 pcs
Price: $ 6.36
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ID: 727935
Weight: 0.74ct
Size: 5.4 x 5.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.44
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ID: 724754
Weight: 0.49ct (total)
Size: 5.3 x 3.2 mm
Clarity: VS
Content: 2 pcs
Price: $ 82.32
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ID: 475017
Weight: 1.72ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 15.89
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ID: 711985
Weight: 4.53ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 65.23
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ID: 662014
Weight: 0.97ct
Size: 9 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 2.34
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ID: 655359
Weight: 1.79ct
Size: 14.9 x 4.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 15.04
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ID: 685508
Weight: 28.06ct
Size: 19.5 x 16.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 120.20
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ID: 721327
Weight: 0.98ct
Size: 6.5 x 5.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 47.04
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ID: 595027
Weight: 2.59ct
Size: 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 68.38
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ID: 629453
Weight: 22.20ct
Size: 20.9 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 117.48
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ID: 501559
Weight: 1.51ct
Size: 9.3 x 4.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 45.30
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ID: 684440
Weight: 4.33ct
Size: 9.7 x 9.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 41.57
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ID: 605566
Weight: 23.52ct
Size: 23.4 x 15.8 mm
Clarity: VS
Content: 1 pc
Price: $ 217.32
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ID: 529579
Weight: 7.26ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 28.75
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ID: 691557
Weight: 1.75ct
Size: 10.9 x 7.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 94.50
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ID: 608360
Weight: 2.92ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: SI
Content: 2 pcs
Price: $ 73.24
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ID: 681828
Weight: 6.57ct
Size: 13.8 x 9.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 7.88
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ID: 681726
Weight: 0.98ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 17.64
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ID: 725627
Weight: 1.71ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 67.74
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ID: 328838
Weight: 18.30ct
Size: 18 x 13 mm (calibrated)
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 28.99
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ID: 705987
Weight: 0.80ct
Size: 6.4 x 6.3 mm
Clarity: VVS-VS
Price: $ 6.72
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ID: 450788
Weight: 5.41ct
Size: 19 x 8.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 49.99
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ID: 685887
Weight: 1.41ct
Size: 7.7 x 6.1 mm
Clarity: VS
Content: 1 pc
Price: $ 25.96
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ID: 733413
Weight: 3.19ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 28.82
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ID: 446021
Weight: 6.22ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 45.41
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ID: 565127
Weight: 0.14ct (total)
Size: 2.7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 306.46
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ID: 716075
Weight: 0.76ct
Size: 6.6 x 5 mm
Clarity: VVS
Content: 1 pc
Price: $ 48.34
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ID: 676315
Weight: 18.55ct
Size: 18.2 x 15.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 58.06
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ID: 721025
Weight: 27.44ct
Size: 28.4 x 22.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.93
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ID: 686708
Weight: 2.70ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 3.24
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ID: 658240
Weight: 23.09ct
Size: 15.9 x 15.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 33.80
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ID: 401366
Weight: 22.67ct
Size: 22.2 x 16 mm
Clarity: Opaque
Content: 1 pc
Price: $ 44.89
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ID: 451321
Weight: 1.43ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 13.21
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ID: 421034
Weight: 16.46ct
Size: 20.7 x 16.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 65.18
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ID: 722999
Weight: 1.17ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 35.10
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ID: 706774
Weight: 1.92ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.61
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ID: 475066
Weight: 1.89ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.46
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ID: 724879
Weight: 0.90ct
Size: 9 x 4 mm
Clarity: VS
Content: 1 pc
Price: $ 37.80
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ID: 392335
Weight: 7.43ct
Size: 12.6 x 12.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 49.04
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ID: 532238
Weight: 6.70ct
Size: 12.5 x 10.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 48.65
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ID: 464465
Weight: 4.13ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 38.16
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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

Good. I ts very user friendly.

Posted By Shalini in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and convenient

Posted By Butch in September, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!

Posted By Leo in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones. .

Posted By Steven M. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

excellent deals-excellent service-fair prices

Posted By JD in April, 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

I'm happy.

Posted By Ray in January, 2025
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 -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 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

Good. I ts very user friendly.

Posted By Shalini in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and convenient

Posted By Butch in September, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!

Posted By Leo in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones. .

Posted By Steven M. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

excellent deals-excellent service-fair prices

Posted By JD in April, 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

I'm happy.

Posted By Ray in January, 2025
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 -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 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