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

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ID: 724760
Weight: 1.00ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 30.00
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ID: 481929
Weight: 4.75ct (total)
Size: 6 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 136.57
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ID: 651952
Weight: 7.95ct
Size: 14 x 10.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 24.71
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ID: 442374
Weight: 1.90ct
Size: 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.80
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ID: 727030
Weight: 0.71ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 12.78
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ID: 543506
Weight: 0.66ct
Size: 5.6 x 4.4 mm
Clarity: VS
Content: 1 pc
Price: $ 17.89
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ID: 712795
Weight: 4.73ct (total)
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 12.60
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ID: 710470
Weight: 21.73ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 691.02
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ID: 640040
Weight: 1.95ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 16.38
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ID: 413956
Weight: 2.13ct
Size: 9.5 x 7.4 mm
Clarity: SI
Content: 1 pc
Price: $ 281.16
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ID: 720357
Weight: 1.07ct
Size: 6.8 x 5.5 mm
Clarity: VS
Content: 1 pc
Price: $ 102.98
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ID: 395047
Weight: 3.29ct
Size: 9.6 x 9.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 21.72
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ID: 404003
Weight: 57.41ct
Size: 23.8 x 21 mm
Clarity: Opaque
Content: 1 pc
Price: $ 227.34
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ID: 675003
Weight: 2.80ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.52
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ID: 691918
Weight: 0.70ct
Size: 5.6 x 4.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 58.80
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ID: 395316
Weight: 10.19ct
Size: 14 x 14 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 67.26
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ID: 688218
Weight: 5.61ct (total)
Size: 11.8 x 11.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 16.56
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ID: 414296
Weight: 5.77ct
Size: 11 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 34.62
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ID: 370698
Weight: 15.53ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 22.34
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ID: 454594
Weight: 0.71ct
Size: 9.6 x 4.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 29.99
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ID: 471867
Weight: 4.11ct
Size: 12 x 9.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 1,085.04
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ID: 510635
Weight: 1.23ct
Size: 7.5 x 6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 63.47
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ID: 639275
Weight: 50.94ct
Size: 26.9 x 21.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 427.90
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ID: 427581
Weight: 2.52ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 16.63
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ID: 709990
Weight: 0.40ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 3.36
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ID: 449610
Weight: 4.80ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 31.68
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ID: 730308
Weight: 2.83ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 25.33
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ID: 503444
Weight: 2.96ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 27.35
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ID: 499250
Weight: 1.78ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.96
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ID: 725845
Weight: 0.45ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 3.60
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ID: 725865
Weight: 2.38ct (total)
Size: 7.1 x 6.1 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 94.27
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ID: 594825
Weight: 1.05ct
Size: 5 x 5 mm (calibrated)
Clarity: SI
Price: $ 24.95
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ID: 435849
Weight: 5.98ct
Size: 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 19.57
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ID: 396012
Weight: 10.26ct
Size: 14 x 14 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 21.53
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ID: 668003
Weight: 18.75ct
Size: 17.6 x 15.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 112.50
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ID: 675185
Weight: 2.78ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.35
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ID: 464246
Weight: 3.48ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 32.16
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ID: 453370
Weight: 3.22ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 29.75
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ID: 453757
Weight: 3.63ct
Size: 12.7 x 8.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 33.54
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ID: 726003
Weight: 0.43ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 3.44
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ID: 716052
Weight: 3.07ct
Size: 12 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 29.47
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ID: 694865
Weight: 3.84ct
Size: 10 x 7.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 115.20
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ID: 718315
Weight: 1.26ct (total)
Size: 5.2 x 4.1 mm
Clarity: VVS
Content: 2 pcs
Price: $ 37.80
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ID: 659816
Weight: 1.83ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 4.42
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ID: 528917
Weight: 23.75ct
Size: 33.3 x 9.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 15.68
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ID: 721919
Weight: 48.77ct
Size: 36.2 x 21.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 58.52
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ID: 721590
Weight: 18.02ct
Size: 17.1 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.62
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ID: 635644
Weight: 1.22ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 26.83
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ID: 552298
Weight: 10.77ct
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 28.43
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ID: 726155
Weight: 0.45ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 4.32
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ID: 695047
Weight: 12.50ct
Size: 15.9 x 12.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 6.90
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ID: 512415
Weight: avg. 0.84 ct / each
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Price: $ 6.50
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ID: 470045
Weight: 46.12ct (total)
Size: 14 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 28.78
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ID: 603135
Weight: 4.13ct
Size: 12 x 8.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 272.58
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ID: 540028
Weight: 0.89ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.40
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ID: 531841
Weight: 11.06ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 11.10
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ID: 585103
Weight: 4.00ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 26.40
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ID: 669506
Weight: 21.84ct
Size: 22.2 x 14.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 65.52
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ID: 498099
Weight: 23.94ct (total)
Size: 18.5 x 14.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 32.87
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ID: 463848
Weight: 11.92ct
Size: 16 mm (calibrated)
Clarity: VVS
Price: $ 23.60
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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 always enjoy the selection and the unique cuts I can find here. I would love to see more hex cuts tho! Maybe some rose cuts too!

Posted By Blkfower83 in October, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love browsing the site and everything is easy to find. There is just so much I get lost for hours. Sometimes I wish there were videos of some gems, but other than that I love shopping with GemSelect and I have referred the site to many people many times. I work in the jewelry industry myself and I love to show off what Ive had made with my gems from GemSelect! Thank you

Posted By Antennaesglow in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Muy serios y muy oportunos para el envo

Posted By Veronica in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I found exactly what I was looking for and ordered it. I like how you give information on the stones I'm buying. Glad I found you!

Posted By TheP in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.

Posted By Sam in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I love wide range of stones. Always have my preference.

Posted By Ray in April, 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

I always enjoy the selection and the unique cuts I can find here. I would love to see more hex cuts tho! Maybe some rose cuts too!

Posted By Blkfower83 in October, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love browsing the site and everything is easy to find. There is just so much I get lost for hours. Sometimes I wish there were videos of some gems, but other than that I love shopping with GemSelect and I have referred the site to many people many times. I work in the jewelry industry myself and I love to show off what Ive had made with my gems from GemSelect! Thank you

Posted By Antennaesglow in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Muy serios y muy oportunos para el envo

Posted By Veronica in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I found exactly what I was looking for and ordered it. I like how you give information on the stones I'm buying. Glad I found you!

Posted By TheP in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.

Posted By Sam in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I love wide range of stones. Always have my preference.

Posted By Ray in April, 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