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

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ID: 421927
Weight: 2.48ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 130.94
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ID: 691356
Weight: 0.71ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 59.64
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ID: 707850
Weight: 6.08ct
Size: 13 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 43.78
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ID: 634644
Weight: 1.16ct (total)
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 20.88
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ID: 572775
Weight: 0.43ct
Size: 7 x 5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.03
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ID: 606006
Weight: 4.26ct
Size: 16 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 56.23
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ID: 712335
Weight: 3.83ct
Size: 12 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 10.20
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ID: 712761
Weight: 7.98ct (total)
Size: 14 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 21.26
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ID: 480133
Weight: 2.04ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 18.85
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ID: 708068
Weight: 21.60ct (total)
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 17.28
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ID: 712798
Weight: 22.48ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 59.89
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ID: 310832
Weight: 4.23ct (total)
Size: 4 mm (calibrated)
Clarity: VS-SI
Content: 18 pcs
Price: $ 251.27
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ID: 710388
Weight: 1.30ct
Size: 8.5 x 7.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 3.79
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ID: 631639
Weight: 6.33ct
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 75.96
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ID: 306332
Weight: 2.34ct (total)
Size: 5.1 x 3.6 mm
Clarity: VVS-VS
Content: 5 pcs
Price: $ 39.31
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ID: 711103
Weight: 3.17ct (total)
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 63.30
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ID: 691772
Weight: 10.95ct
Size: 13.8 x 11.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.67
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ID: 591675
Weight: 3.50ct (total)
Size: 8 x 8 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 36.96
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ID: 400798
Weight: 4.41ct
Size: 9.5 x 9.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 29.11
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ID: 605810
Weight: 22.01ct (total)
Size: 20.1 x 11.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 34.28
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ID: 724762
Weight: 2.79ct (total)
Size: 10 x 5 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 83.70
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ID: 672121
Weight: 0.67ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 16.08
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ID: 491250
Weight: 6.84ct
Size: 18.3 x 9.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.14
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ID: 713967
Weight: 1.79ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 30.07
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ID: 391622
Weight: 0.98ct
Size: 10.9 x 4.6 mm
Clarity: VS
Content: 1 pc
Price: $ 62.70
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ID: 732598
Weight: 0.49ct
Size: 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 18.82
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ID: 399660
Weight: 4.69ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 154.78
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ID: 489709
Weight: 2.44ct (total)
Size: 4.5 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 48.31
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ID: 685285
Weight: 14.65ct
Size: 19 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 21.10
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ID: 384537
Weight: 13.73ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 54.37
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ID: 632405
Weight: 2.79ct
Size: 17.9 x 7.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 20.09
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ID: 363881
Weight: 13.44ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 88.70
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ID: 585111
Weight: 1.99ct (total)
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 10.95
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ID: 447785
Weight: 23.40ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 92.66
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ID: 475566
Weight: 18.89ct
Size: 31.5 x 21.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 37.40
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ID: 658139
Weight: 48.69ct
Size: 35.2 x 21.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 99.91
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ID: 547787
Weight: 1.72ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 34.85
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ID: 679180
Weight: 2.81ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 23.60
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ID: 623790
Weight: 0.92ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 66.79
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ID: 692149
Weight: 0.20ct
Size: 3.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.62
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ID: 435495
Weight: 9.61ct
Size: 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 31.45
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ID: 519990
Weight: 30.10ct
Size: 31.2 x 12.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.36
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ID: 734701
Weight: 3.53ct (total)
Size: 9.9 x 4.8 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 148.26
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ID: 482557
Weight: 4.86ct (total)
Size: 4.8 x 3 mm
Clarity: VS
Content: 20 pcs
Price: $ 320.76
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ID: 668706
Weight: 7.91ct
Size: 23.6 x 7.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 170.86
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ID: 721821
Weight: 0.51ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 9.18
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ID: 478843
Weight: 0.59ct
Size: 8.8 x 4 mm
Clarity: VVS
Content: 1 pc
Price: $ 42.84
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ID: 712746
Weight: 2.18ct
Size: 8.6 x 7.1 mm
Clarity: VS
Content: 1 pc
Price: $ 52.32
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ID: 607777
Weight: 2.18ct
Size: 8 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 54.67
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ID: 692477
Weight: 18.77ct
Size: 18.1 x 14 mm
Clarity: VVS
Content: 1 pc
Price: $ 157.67
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ID: 660402
Weight: 1.54ct
Size: 7 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 3.72
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ID: 705696
Weight: 0.25ct
Size: 4.2 x 3.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 10.20
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ID: 465852
Weight: 4.54ct (total)
Size: 12.1 x 6.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 47.94
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ID: 475666
Weight: 6.59ct
Size: 15.6 x 11.4 mm
Clarity: VS
Content: 1 pc
Price: $ 60.89
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ID: 711726
Weight: 17.00ct
Size: 20.6 x 16.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 30.60
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ID: 645451
Weight: 12.54ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 30.10
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ID: 622965
Weight: 1.10ct
Size: 7.1 x 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 21.02
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ID: 392845
Weight: 9.85ct (total)
Size: 12 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 65.02
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ID: 692966
Weight: 31.56ct
Size: 33 x 11.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.36
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ID: 715705
Weight: 0.68ct
Size: 5.3 x 4.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 43.25
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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 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 -> 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

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

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 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

Its been a long time since Ive made any purchases Im satisfied with the quality.

Posted By Hard Case in December, 2024
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 -> 10 star ratings

I like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.

Posted By Nate in March, 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 -> 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 -> 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

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

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 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

Its been a long time since Ive made any purchases Im satisfied with the quality.

Posted By Hard Case in December, 2024
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 -> 10 star ratings

I like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.

Posted By Nate in March, 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