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

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ID: 392383
Weight: 8.75ct
Size: 13 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 57.76
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ID: 493653
Weight: 6.52ct (total)
Size: 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 23.23
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ID: 464441
Weight: 2.65ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 24.49
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ID: 718173
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.80
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ID: 426921
Weight: 9.91ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 45.78
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ID: 723050
Weight: 76.92ct
Size: 37.4 x 30.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 646.13
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ID: 539797
Weight: 0.84ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.87
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ID: 523442
Weight: 9.59ct
Size: 23.4 x 9.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 75.95
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ID: 710420
Weight: 2.82ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 23.69
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ID: 732480
Weight: 6.80ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 61.44
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ID: 668544
Weight: 6.48ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.78
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ID: 463987
Weight: 4.87ct
Size: 12 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 8.77
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ID: 640382
Weight: 1.22ct
Size: 6.6 x 5.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 8.05
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ID: 416007
Weight: 2.01ct
Size: 23 x 3.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 66.34
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ID: 540209
Weight: 1.22ct
Size: 8.7 x 6.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 36.37
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ID: 392716
Weight: 14.31ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 94.45
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ID: 682138
Weight: 0.81ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 14.58
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ID: 737388
Weight: 2.27ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 102.15
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ID: 722767
Weight: 0.61ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 18.30
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ID: 655372
Weight: 5.27ct
Size: 12.9 x 10.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 69.56
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ID: 514536
Weight: 29.14ct (total)
Size: 21.3 x 13 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 76.16
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ID: 731123
Weight: 22.58ct
Size: 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 27.64
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ID: 657301
Weight: 1.10ct
Size: 7.1 x 4.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 5.28
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ID: 389134
Weight: 2.19ct
Size: 8.4 x 7.4 mm
Clarity: VS
Content: 1 pc
Price: $ 172.81
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ID: 710352
Weight: 1.00ct
Size: 6.3 x 5 mm
Clarity: VS
Content: 1 pc
Price: $ 17.92
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ID: 431091
Weight: 2.84ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 29.95
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ID: 499266
Weight: 1.84ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 33.02
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ID: 314738
Weight: 1.54ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 81.31
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ID: 400097
Weight: 4.80ct (total)
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 15.84
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ID: 736366
Weight: 0.07ct
Size: 2.6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 24.06
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ID: 479217
Weight: 17.67ct (total)
Size: 15 x 10 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 32.18
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ID: 449001
Weight: 6.17ct
Size: 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 20.35
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ID: 725677
Weight: 0.47ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 4.51
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ID: 695902
Weight: 7.13ct
Size: 11.9 x 8.6 mm
Clarity: VS
Content: 1 pc
Price: $ 213.90
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ID: 489419
Weight: 2.98ct (total)
Size: 5 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 59.00
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ID: 731023
Weight: 14.53ct (total)
Size: 20.2 x 13.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 9.94
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ID: 490558
Weight: 3.53ct (total)
Size: 5.7 mm
Clarity: VS
Content: 4 pcs
Price: $ 37.79
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ID: 606869
Weight: 1.80ct (total)
Size: 9.2 x 5.2 mm
Clarity: VS
Content: 2 pcs
Price: $ 11.88
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ID: 567453
Weight: 0.21ct (total)
Size: 3 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 452.32
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ID: 521450
Weight: 31.46ct
Size: 30.3 x 16.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 249.17
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ID: 680960
Weight: 1.13ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 33.90
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ID: 692809
Weight: 42.53ct
Size: 40.8 x 11.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.31
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ID: 693742
Weight: 0.58ct
Size: 6.2 x 4.9 mm
Clarity: VS
Content: 1 pc
Price: $ 34.80
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ID: 718676
Weight: 5.77ct
Size: 12 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 25.97
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ID: 650082
Weight: 2.15ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 18.06
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ID: 492545
Weight: 9.49ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 68.65
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ID: 592965
Weight: 1.45ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 47.86
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ID: 376642
Weight: 3.94ct (total)
Size: 7.8 x 7 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 36.41
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ID: 698565
Weight: 2.89ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.28
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ID: 516711
Weight: 1.60ct
Size: 10.4 x 6.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 147.84
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ID: 697647
Weight: 25.12ct
Size: 28.9 x 14 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.18
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ID: 387132
Weight: 5.21ct
Size: 12 x 8.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.27
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ID: 558627
Weight: 1.31ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 118.98
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ID: 714217
Weight: 0.77ct
Size: 5.2 mm
Clarity: SI
Content: 1 pc
Price: $ 23.10
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ID: 634930
Weight: 1.31ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 28.81
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ID: 717004
Weight: 27.92ct
Size: 27.5 x 20.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 53.27
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ID: 650130
Weight: 1.49ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 12.52
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ID: 683359
Weight: 6.28ct
Size: 12.7 x 11.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 58.18
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ID: 358674
Weight: 6.40ct
Size: 18.1 x 9.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 51.53
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ID: 710335
Weight: 8.23ct
Size: 13.4 x 11.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 261.72
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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

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good products

Posted By Brave in October, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 2025
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

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 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

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 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

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good products

Posted By Brave in October, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 2025
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

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 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

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 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