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

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ID: 722756
Weight: 7.64ct
Size: 19 x 9.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 64.18
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ID: 565099
Weight: 0.20ct (total)
Size: 3 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 437.80
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ID: 380373
Weight: 16.11ct
Size: 27.2 x 13.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 31.90
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ID: 693353
Weight: 45.90ct
Size: 33.7 x 24.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.94
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ID: 350506
Weight: 3.16ct (total)
Size: 3 x 3 mm (calibrated)
Clarity: Transparent
Content: 20 pcs
Price: $ 72.17
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ID: 594089
Weight: 1.41ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 28.14
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ID: 686709
Weight: 10.83ct (total)
Size: 18.1 x 12.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 31.97
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ID: 438015
Weight: 1.12ct
Size: 19.7 x 3 mm
Clarity: VS
Content: 1 pc
Price: $ 36.96
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ID: 552534
Weight: 1.01ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 9.34
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ID: 638367
Weight: 1.12ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 26.88
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ID: 660666
Weight: 1.45ct
Size: 7.8 x 6.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.80
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ID: 408177
Weight: 11.09ct
Size: 13 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 26.21
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ID: 721925
Weight: 37.29ct
Size: 30.5 x 21.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 44.75
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ID: 417591
Weight: 2.43ct (total)
Size: 4.7 mm
Clarity: VS
Content: 4 pcs
Price: $ 99.43
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ID: 710027
Weight: 0.79ct
Size: 10.1 x 4.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 6.64
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ID: 669872
Weight: 48.21ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 144.64
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ID: 668820
Weight: 9.87ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 59.22
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ID: 686130
Weight: 5.80ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 6.96
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ID: 608187
Weight: 1.33ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 12.29
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ID: 680733
Weight: 1.21ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 36.30
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ID: 487159
Weight: 6.46ct
Size: 16 x 9.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 65.92
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ID: 359950
Weight: 4.05ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 26.74
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ID: 376689
Weight: 1.75ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 19.78
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ID: 382707
Weight: 34.38ct
Size: 28.1 x 21.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 68.08
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ID: 732856
Weight: 1.00ct
Size: 6.3 x 6.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 8.40
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ID: 689008
Weight: 4.18ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 23.03
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ID: 724877
Weight: 0.78ct
Size: 9.4 x 3 mm
Clarity: VS
Content: 1 pc
Price: $ 32.76
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ID: 497075
Weight: 2.49ct
Size: 9.1 x 7.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 44.74
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ID: 714889
Weight: 4.85ct
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 121.25
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ID: 682001
Weight: 4.79ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 5.75
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ID: 332054
Weight: 5.10ct
Size: 10.5 x 10.3 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 16.84
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ID: 458632
Weight: 0.81ct (total)
Size: 4.7 x 3.7 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 175.87
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ID: 735251
Weight: 2.29ct
Size: 8.1 x 6.4 mm
Clarity: VS
Content: 1 pc
Price: $ 109.92
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ID: 735817
Weight: 42.14ct
Size: 37.5 x 18.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 34.90
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ID: 554289
Weight: 1.18ct
Size: 6.9 x 4.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.15
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ID: 692004
Weight: 0.29ct (total)
Size: 3 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 11.05
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ID: 610323
Weight: 5.65ct
Size: 22 x 9 mm
Clarity: Transparent
Price: $ 7.46
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ID: 711426
Weight: 0.46ct
Size: 6 x 4 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 1.22
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ID: 720371
Weight: 0.97ct
Size: 6.5 x 4.9 mm
Clarity: VS
Content: 1 pc
Price: $ 93.36
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ID: 699793
Weight: 44.25ct
Size: 42 x 27.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.89
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ID: 658554
Weight: 17.61ct
Size: 17.1 x 17 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.78
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ID: 510888
Weight: avg. 4.54 ct / each
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Price: $ 29.94
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ID: 662729
Weight: 23.58ct (total)
Size: 21.9 x 12.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 16.69
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ID: 477573
Weight: 1.96ct (total)
Size: 5 mm (calibrated)
Clarity: Transparent
Content: 5 pcs
Price: $ 55.14
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ID: 650117
Weight: 9.18ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 6.50
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ID: 397420
Weight: 5.58ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Price: $ 36.83
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ID: 384145
Weight: 7.83ct
Size: 17.1 x 10.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 23.49
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ID: 659280
Weight: 8.35ct
Size: 19.5 x 9.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.04
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ID: 504846
Weight: 0.71ct
Size: 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 42.60
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ID: 523439
Weight: 19.30ct
Size: 23.7 x 15.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 152.86
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ID: 691749
Weight: 0.51ct (total)
Size: 3.6 x 3.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 19.44
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ID: 659269
Weight: 16.23ct
Size: 28.1 x 16.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 38.95
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ID: 418275
Weight: 5.79ct
Size: 13.9 x 10 mm
Clarity: Translucent
Content: 1 pc
Price: $ 11.46
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ID: 492797
Weight: 5.32ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.48
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ID: 411426
Weight: 2.35ct
Size: 10 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 70.01
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ID: 602691
Weight: 3.45ct
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 31.88
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ID: 683364
Weight: 4.40ct
Size: 12 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 40.76
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ID: 659166
Weight: 2.53ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 6.07
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ID: 640700
Weight: 0.32ct
Size: 5 x 3 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 15.36
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ID: 535289
Weight: 1.14ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 45.14
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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

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 -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I'm happy.

Posted By Ray in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 2024
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

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

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 -> 7 star ratings

Excited to see

Posted By Ss in December, 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

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

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 -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I'm happy.

Posted By Ray in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 2024
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

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

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 -> 7 star ratings

Excited to see

Posted By Ss in December, 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

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