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

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ID: 725889
Weight: 1.40ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 13.44
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ID: 656107
Weight: 1.63ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 39.12
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ID: 725199
Weight: 39.39ct
Size: 28.1 x 18.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 141.80
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ID: 451689
Weight: 4.10ct (total)
Size: 2.1 mm (calibrated)
Clarity: VS
Content: 100 pcs
Price: $ 216.48
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ID: 531167
Weight: 3.30ct
Size: 10.3 x 6.3 mm
Clarity: VS
Content: 1 pc
Price: $ 196.02
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ID: 433347
Weight: 29.70ct
Size: 28.7 x 21.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 47.44
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ID: 491215
Weight: 6.91ct
Size: 19.5 x 10.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.34
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ID: 730219
Weight: 0.72ct
Size: 5.3 x 4.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 43.20
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ID: 517807
Weight: 1.86ct
Size: 8 x 6.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 40.91
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ID: 737874
Weight: 1.44ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 72.00
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ID: 735013
Weight: 4.75ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.50
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ID: 727293
Weight: 0.29ct
Size: 4.9 x 3.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 12.18
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ID: 554584
Weight: 1.07ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 40.55
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ID: 558534
Weight: 2.57ct (total)
Size: 7.1 x 5.4 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 9.77
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ID: 714483
Weight: 0.51ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.54
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ID: 578716
Weight: 2.13ct
Size: 9 x 6.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 14.06
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ID: 430737
Weight: 7.30ct
Size: 15 x 9.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 18.98
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ID: 721748
Weight: 21.77ct
Size: 23.3 x 19.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.12
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ID: 734955
Weight: 4.81ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 24.05
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ID: 655058
Weight: 7.46ct
Size: 14.5 x 11.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.18
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ID: 713705
Weight: 14.30ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 120.12
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ID: 497818
Weight: 3.62ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 24.98
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ID: 476421
Weight: 6.76ct
Size: 16 x 12 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 62.46
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ID: 651761
Weight: 11.31ct
Size: 26.6 x 15.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.76
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ID: 712926
Weight: 1.04ct
Size: 8 x 5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 2.77
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ID: 416323
Weight: 0.83ct
Size: 16.5 x 2.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 26.29
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ID: 475297
Weight: 4.31ct
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 39.83
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ID: 460835
Weight: 2.31ct
Size: 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 21.35
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ID: 455344
Weight: 23.51ct (total)
Size: 15.8 x 10.6 mm
Clarity: Transparent
Content: 4 pcs
Price: $ 39.42
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ID: 706402
Weight: 8.96ct
Size: 13.4 x 11.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.23
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ID: 414895
Weight: 5.93ct
Size: 11 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 39.14
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ID: 380995
Weight: 1.70ct
Size: 6.5 x 8.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 112.20
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ID: 527847
Weight: 0.87ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.19
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ID: 689333
Weight: 1.40ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 13.44
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ID: 712220
Weight: 0.73ct
Size: 5.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 14.58
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ID: 478677
Weight: 0.92ct
Size: 6.2 x 4.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.92
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ID: 612310
Weight: 1.34ct
Size: 7.5 x 4.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 6.19
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ID: 711812
Weight: 6.44ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.16
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ID: 500701
Weight: 13.54ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 104.92
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ID: 416176
Weight: 1.16ct
Size: 15.8 x 2.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.74
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ID: 482174
Weight: 1.89ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 13.62
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ID: 356234
Weight: 4.31ct (total)
Size: 5 x 3 mm (calibrated)
Clarity: VVS-VS
Content: 20 pcs
Price: $ 28.45
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ID: 713962
Weight: 1.77ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 14.87
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ID: 453125
Weight: 4.88ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 45.10
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ID: 348921
Weight: 63.72ct
Size: 33.8 x 26 mm
Clarity: Opaque
Content: 1 pc
Price: $ 53.52
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ID: 410270
Weight: 4.26ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 28.12
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ID: 713755
Weight: 0.93ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.62
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ID: 673719
Weight: 6.61ct
Size: 15 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 95.09
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ID: 713738
Weight: 0.81ct
Size: 7 x 5.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 6.80
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ID: 724541
Weight: 0.94ct
Size: 10 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 28.20
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ID: 638876
Weight: 1.86ct
Size: 6.9 x 6.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 11.16
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ID: 520547
Weight: 4.45ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.12
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ID: 493395
Weight: 1.54ct (total)
Size: 5.9 x 3 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 10.16
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ID: 376695
Weight: 2.00ct
Size: 8.3 x 7.2 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 22.60
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ID: 431428
Weight: 1.32ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 13.93
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ID: 551060
Weight: 3.85ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 28.98
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ID: 460339
Weight: 3.59ct
Size: 13 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 33.17
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ID: 699609
Weight: 0.34ct
Size: 4 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 20.40
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ID: 493971
Weight: 8.74ct
Size: 11.4 x 10.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.58
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ID: 704823
Weight: 1.82ct
Size: 12 x 8.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 54.60
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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 -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Love the ease of access. Easy to find what you are looking for, and fair pricing.

Posted By NickBehnke in October, 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

Overall Rating -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones..

Posted By Steven M. in February, 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 -> 10 star ratings

I have bought many stones from GemsSelect and have been very satisfied with all!I will continue to buy and recommend this site!

Posted By DG in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

It was my second time so I understand what it is to do

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!

Posted By Leo in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

So far, my experience was great...Thanks

Posted By Kaydi 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 -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Love the ease of access. Easy to find what you are looking for, and fair pricing.

Posted By NickBehnke in October, 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

Overall Rating -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones..

Posted By Steven M. in February, 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 -> 10 star ratings

I have bought many stones from GemsSelect and have been very satisfied with all!I will continue to buy and recommend this site!

Posted By DG in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

It was my second time so I understand what it is to do

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!

Posted By Leo in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

So far, my experience was great...Thanks

Posted By Kaydi 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