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

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ID: 521243
Weight: 11.88ct
Size: 19.5 x 12.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 94.09
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ID: 536165
Weight: 1.42ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Price: $ 11.24
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ID: 733089
Weight: 1.00ct
Size: 7.1 x 5.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 42.00
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ID: 655895
Weight: 0.81ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 19.44
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ID: 534241
Weight: 2.70ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 21.38
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ID: 656544
Weight: 1.49ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 25.03
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ID: 335831
Weight: 14.75ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 97.36
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ID: 660328
Weight: 3.44ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 8.29
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ID: 725441
Weight: 1.02ct
Size: 12 x 3.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 42.84
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ID: 718254
Weight: 0.91ct
Size: 6 x 5 mm
Clarity: VS
Content: 1 pc
Price: $ 27.30
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ID: 697782
Weight: 27.04ct
Size: 33.3 x 10.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 3.24
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ID: 594973
Weight: 10.82ct
Size: 15 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 42.85
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ID: 332932
Weight: 19.98ct
Size: 18 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 31.66
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ID: 672297
Weight: 1.07ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.68
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ID: 730825
Weight: 9.76ct
Size: 14 x 12.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 19.91
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ID: 498614
Weight: 0.82ct
Size: 5.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 43.30
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ID: 387831
Weight: 2.75ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 18.16
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ID: 434053
Weight: 5.17ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 34.13
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ID: 663011
Weight: 0.98ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 18.82
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ID: 706934
Weight: 4.70ct
Size: 11 x 11 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 45.12
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ID: 372496
Weight: 2.18ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 14.39
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ID: 543847
Weight: 2.19ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.46
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ID: 706357
Weight: 11.19ct
Size: 15 x 12.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.82
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ID: 484134
Weight: 4.55ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 30.04
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ID: 543701
Weight: 2.12ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.99
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ID: 648467
Weight: 2.55ct (total)
Size: 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 21.42
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ID: 727019
Weight: 0.70ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 12.60
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ID: 639857
Weight: 0.25ct
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 12.00
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ID: 712676
Weight: 9.64ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 25.68
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ID: 683425
Weight: 5.32ct
Size: 13.4 x 9.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 49.28
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ID: 339806
Weight: 1.56ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 35.00
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ID: 667703
Weight: 2.54ct
Size: 9 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 52.09
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ID: 620990
Weight: 2.16ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 2 pcs
Price: $ 49.25
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ID: 569242
Weight: 0.88ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 8.14
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ID: 682343
Weight: 11.64ct
Size: 21.3 x 11.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 111.74
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ID: 690273
Weight: 55.16ct
Size: 31.4 x 20.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 60.00
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ID: 389595
Weight: 2.91ct (total)
Size: 7.5 x 6.2 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 19.21
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ID: 516177
Weight: 22.78ct
Size: 17.3 x 14.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.76
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ID: 720240
Weight: 1.48ct
Size: 6.9 x 6.7 mm
Clarity: SI
Content: 1 pc
Price: $ 106.56
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ID: 730040
Weight: 2.35ct
Size: 14 x 7.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 225.60
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ID: 394904
Weight: 4.75ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.36
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ID: 498617
Weight: 0.78ct
Size: 5.3 mm
Clarity: VS
Content: 1 pc
Price: $ 41.18
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ID: 685602
Weight: 0.09ct (total)
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 31.50
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ID: 479580
Weight: 1.21ct
Size: 10.1 x 5.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.78
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ID: 482183
Weight: 1.95ct
Size: 8.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 14.06
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ID: 642906
Weight: 1.05ct
Size: 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 49.14
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ID: 712779
Weight: 8.26ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 22.01
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ID: 672475
Weight: 27.98ct
Size: 32.8 x 19.3 mm
Clarity: Translucent
Price: $ 33.58
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ID: 707917
Weight: 11.07ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.63
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ID: 309342
Weight: 0.75ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 42.58
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ID: 691999
Weight: 0.32ct (total)
Size: 3.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 12.20
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ID: 483670
Weight: 1.25ct
Size: 6.5 x 5.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 99.00
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ID: 646932
Weight: 0.66ct (total)
Size: 3.8 mm
Clarity: VS
Content: 2 pcs
Price: $ 19.80
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ID: 543750
Weight: 1.60ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 32.18
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ID: 526865
Weight: 0.97ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.96
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ID: 663107
Weight: 4.63ct
Size: 12 x 9.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.11
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ID: 685589
Weight: 22.48ct
Size: 26.2 x 17.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.39
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ID: 693026
Weight: 25.86ct
Size: 35.2 x 9.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.31
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ID: 400841
Weight: 4.32ct
Size: 10 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 28.51
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ID: 474578
Weight: 1.76ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 16.26
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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 good Hoping you will increase your inventory especially in the 6mmThanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia 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

Overall Rating -> 10 star ratings

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.

Posted By LeAnn 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

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I like the way your website shows us what stone were buying as well the easy way to navigate the site. also knowing the stones are real...

Posted By RED in January, 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

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

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia 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

Overall Rating -> 10 star ratings

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.

Posted By LeAnn 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

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I like the way your website shows us what stone were buying as well the easy way to navigate the site. also knowing the stones are real...

Posted By RED in January, 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

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