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

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ID: 698703
Weight: 3.39ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.48
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ID: 367977
Weight: 4.88ct (total)
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 31.94
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ID: 687207
Weight: 0.37ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 14.80
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ID: 554277
Weight: 27.12ct
Size: 25 x 16.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.94
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ID: 710262
Weight: 8.53ct
Size: 14 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 24.88
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ID: 418270
Weight: 6.44ct
Size: 14.4 x 10.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 12.76
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ID: 474964
Weight: 2.68ct (total)
Size: 6.2 x 4.2 mm
Clarity: VVS-VS
Content: 4 pcs
Price: $ 88.44
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ID: 490786
Weight: 3.93ct (total)
Size: 5.7 mm
Clarity: VS
Content: 5 pcs
Price: $ 46.28
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ID: 658295
Weight: 12.72ct
Size: 25.6 x 16.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 45.79
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ID: 718491
Weight: 17.25ct
Size: 15 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.90
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ID: 697221
Weight: 0.51ct (total)
Size: 3.7 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 11.02
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ID: 690276
Weight: 17.50ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 37.20
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ID: 691469
Weight: 0.64ct
Size: 5 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 38.40
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ID: 512895
Weight: 2.01ct
Size: 8.8 x 6.6 mm
Clarity: VS
Content: 1 pc
Price: $ 43.48
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ID: 468827
Weight: 1.77ct (total)
Size: 3.2 mm
Clarity: VS-SI
Content: 10 pcs
Price: $ 93.46
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ID: 377597
Weight: 26.18ct (total)
Size: 18.2 x 11.9 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 172.79
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ID: 713721
Weight: 0.70ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 11.76
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ID: 455263
Weight: 1.40ct
Size: 9.7 x 5.1 mm
Clarity: VS
Content: 1 pc
Price: $ 12.94
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ID: 538237
Weight: 1.62ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 12.83
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ID: 707920
Weight: 11.24ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.79
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ID: 686321
Weight: 0.62ct
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 13.39
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ID: 664645
Weight: 1.90ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 41.04
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ID: 539128
Weight: 4.11ct (total)
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 54.25
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ID: 566173
Weight: 2.05ct
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 46.62
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ID: 698719
Weight: 1.78ct
Size: 7.5 x 6.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 10.68
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ID: 713960
Weight: 1.74ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 14.62
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ID: 577054
Weight: 13.86ct
Size: 17 x 17 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 128.06
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ID: 734758
Weight: 3.13ct
Size: 10.7 x 8.5 mm
Clarity: VS
Content: 1 pc
Price: $ 131.46
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ID: 563867
Weight: 1.59ct
Size: 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 35.68
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ID: 644269
Weight: 1.52ct
Size: 7.6 x 6.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.48
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ID: 557203
Weight: 3.12ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 26.11
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ID: 664504
Weight: 1.95ct
Size: 9.6 x 6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 9.36
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ID: 705605
Weight: 0.67ct
Size: 5.1 x 4.3 mm
Clarity: VS
Content: 1 pc
Price: $ 27.34
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ID: 720968
Weight: 0.56ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 10.08
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ID: 694537
Weight: 23.31ct
Size: 24.6 x 19.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.18
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ID: 691760
Weight: 4.17ct
Size: 13.9 x 10.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 225.18
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ID: 410067
Weight: 2.53ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 12.10
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ID: 699134
Weight: 1.56ct (total)
Size: 7.1 x 5.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 13.10
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ID: 707856
Weight: 10.21ct
Size: 14.9 x 11.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 73.51
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ID: 482043
Weight: 11.22ct
Size: 12.7 x 11.6 mm
Clarity: VS
Content: 1 pc
Price: $ 281.40
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ID: 344980
Weight: 9.15ct
Size: 11.7 x 10.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.50
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ID: 489726
Weight: 2.52ct (total)
Size: 4.5 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 49.90
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ID: 704546
Weight: 2.86ct
Size: 13.3 x 8.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 85.80
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ID: 571163
Weight: 0.91ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 8.41
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ID: 520037
Weight: 4.92ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 36.17
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ID: 706925
Weight: 2.20ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.28
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ID: 715508
Weight: 0.36ct
Size: 4.8 x 3.8 mm
Clarity: VS
Content: 1 pc
Price: $ 22.90
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ID: 714197
Weight: 0.93ct
Size: 7.8 x 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 50.22
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ID: 715363
Weight: 1.31ct
Size: 10.2 x 4.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 83.32
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ID: 718855
Weight: 0.68ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 12.24
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ID: 555562
Weight: 21.42ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 26.02
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ID: 718113
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.80
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ID: 338543
Weight: 1.60ct
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 91.38
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ID: 517053
Weight: 19.85ct
Size: 22.9 x 11.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.33
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ID: 388796
Weight: 1.19ct
Size: 8.2 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 76.40
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ID: 653426
Weight: 18.68ct
Size: 23.2 x 16.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 58.06
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ID: 715773
Weight: 0.63ct
Size: 6 x 3.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 40.07
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ID: 714858
Weight: 9.29ct
Size: 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 24.08
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ID: 459451
Weight: 9.60ct
Size: 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 19.01
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ID: 481914
Weight: 3.33ct (total)
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 15 pcs
Price: $ 211.56
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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 -> 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

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 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

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

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoyed shopping.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great experience shopping and finding what I was looking for, the only improvement I could think of would be allowing to filter more than one size at a time.

Posted By Tlicious04 in September, 2024
Source: Bizrate

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

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 -> 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

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 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

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

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoyed shopping.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great experience shopping and finding what I was looking for, the only improvement I could think of would be allowing to filter more than one size at a time.

Posted By Tlicious04 in September, 2024
Source: Bizrate

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

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