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

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ID: 497476
Weight: 3.06ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 20.20
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ID: 333886
Weight: 10.69ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 44.90
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ID: 714345
Weight: 0.29ct
Size: 4 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 8.70
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ID: 707955
Weight: 3.76ct
Size: 14.2 x 10.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 3.61
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ID: 533349
Weight: 2.89ct
Size: 9.6 x 7.9 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 54.40
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ID: 464433
Weight: 2.34ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 21.62
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ID: 499207
Weight: 2.04ct
Size: 11.9 x 5.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 367.20
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ID: 672117
Weight: 0.63ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.12
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ID: 648883
Weight: 16.38ct
Size: 22.5 x 17.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.43
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ID: 709372
Weight: 0.90ct
Size: 10.2 x 4.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 7.56
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ID: 476070
Weight: 6.69ct
Size: 16 x 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 61.81
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ID: 351412
Weight: 6.24ct
Size: 18 x 9.4 mm
Clarity: VS
Content: 1 pc
Price: $ 57.66
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ID: 659435
Weight: 19.68ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 47.23
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ID: 569303
Weight: 2.27ct
Size: 8 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 45.13
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ID: 505066
Weight: 8.25ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 54.46
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ID: 606569
Weight: 4.70ct
Size: 11 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 62.04
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ID: 685879
Weight: 0.81ct
Size: 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 14.92
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ID: 398244
Weight: 3.26ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 21.52
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ID: 722449
Weight: 15.24ct
Size: 26.7 x 11.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 128.02
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ID: 715413
Weight: 0.43ct
Size: 5.2 x 4.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 27.35
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ID: 546930
Weight: 2.33ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 36.91
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ID: 696886
Weight: 2.05ct
Size: 12.3 x 9.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 62.11
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ID: 387809
Weight: 4.82ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 10 pcs
Price: $ 31.81
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ID: 712158
Weight: 2.74ct
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 7.30
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ID: 536194
Weight: 1.39ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Price: $ 11.00
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ID: 705736
Weight: 0.74ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS
Price: $ 6.22
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ID: 636909
Weight: 0.63ct
Size: 7.8 x 5.6 mm
Clarity: VS
Content: 1 pc
Price: $ 33.26
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ID: 688368
Weight: 0.25ct
Size: 4.2 mm
Clarity: VS
Content: 1 pc
Price: $ 12.00
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ID: 407987
Weight: 6.72ct
Size: 11 x 11 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.88
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ID: 491079
Weight: 5.82ct (total)
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 4 pcs
Price: $ 17.14
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ID: 449249
Weight: 1.07ct
Size: 15.2 x 3.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 42.37
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ID: 697448
Weight: 0.33ct
Size: 3.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 7.13
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ID: 454007
Weight: 1.24ct
Size: 9.4 x 4.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 52.38
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ID: 385164
Weight: 6.63ct
Size: 21.5 x 11.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 59.69
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ID: 698604
Weight: 3.99ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 33.52
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ID: 691417
Weight: 4.52ct
Size: 10.3 x 8.3 mm
Clarity: VS
Content: 1 pc
Price: $ 149.87
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ID: 672916
Weight: 10.29ct (total)
Size: 15.5 x 11.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 29.02
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ID: 517336
Weight: 26.42ct
Size: 17 x 17 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 31.03
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ID: 693975
Weight: 2.53ct
Size: 7.5 x 6.6 mm
Clarity: VS
Content: 1 pc
Price: $ 83.88
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ID: 574307
Weight: 1.72ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.89
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ID: 694267
Weight: 0.66ct
Size: 7.1 x 3.8 mm
Clarity: VS
Content: 1 pc
Price: $ 19.80
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ID: 686613
Weight: 3.04ct
Size: 10.4 x 8.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 3.65
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ID: 699057
Weight: 3.25ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 27.30
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ID: 577724
Weight: 21.45ct
Size: 30.2 x 13.4 mm
Clarity: VS
Content: 1 pc
Price: $ 198.20
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ID: 725299
Weight: 21.31ct
Size: 22.1 x 13.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 76.72
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ID: 390086
Weight: 20.61ct
Size: 24.8 x 16.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 49.46
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ID: 562895
Weight: 4.93ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 45.55
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ID: 493012
Weight: 5.20ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 37.62
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ID: 673583
Weight: 0.11ct (total)
Size: 2.3 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 60.06
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ID: 560346
Weight: 4.38ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 40.48
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ID: 648854
Weight: 6.12ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 11.02
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ID: 534180
Weight: 2.34ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.26
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ID: 643673
Weight: 1.29ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 30.96
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ID: 705179
Weight: 2.05ct
Size: 9.1 x 6.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 1.90
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ID: 400860
Weight: 3.97ct
Size: 9.5 x 9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 26.21
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ID: 553002
Weight: 7.36ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 38.86
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ID: 656143
Weight: 17.18ct
Size: 26.4 x 21.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 87.83
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ID: 700383
Weight: 0.77ct
Size: 5.2 mm
Clarity: SI
Content: 1 pc
Price: $ 46.20
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ID: 724973
Weight: 20.46ct
Size: 21.2 x 19 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.33
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ID: 655563
Weight: 1.26ct
Size: 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 30.24
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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 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 -> 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

I enjoy doing buisness with GemSelect. It is always a pleasure and you get what you ordered!

Posted By Ballpark in December, 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

Great site always looking for great deals and find them on this site

Posted By IRO5812 in July, 2024
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 -> 8 star ratings

great experience

Posted By T in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

there are a large number of gems to choose from i have ordered before and these objects are precious to me that my light reflect in them and fills the stones they are there when i need to reflect on life

Posted By Kickbass.2 in January, 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

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 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 -> 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

I enjoy doing buisness with GemSelect. It is always a pleasure and you get what you ordered!

Posted By Ballpark in December, 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

Great site always looking for great deals and find them on this site

Posted By IRO5812 in July, 2024
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 -> 8 star ratings

great experience

Posted By T in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

there are a large number of gems to choose from i have ordered before and these objects are precious to me that my light reflect in them and fills the stones they are there when i need to reflect on life

Posted By Kickbass.2 in January, 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

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