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

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ID: 309485
Weight: 0.76ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 43.14
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ID: 711223
Weight: 2.04ct
Size: 8.3 x 6.9 mm
Clarity: VS
Content: 1 pc
Price: $ 48.96
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ID: 609115
Weight: 2.04ct (total)
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 37.70
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ID: 508968
Weight: 30.81ct
Size: 20.2 x 16.6 mm
Clarity: IF
Content: 1 pc
Price: $ 284.69
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ID: 715844
Weight: 3.66ct
Size: 11.7 x 9.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 35.14
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ID: 567425
Weight: 0.18ct (total)
Size: 2.8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 387.70
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ID: 505880
Weight: 263.05ct
Size: 39.1 x 35 mm
Clarity: Translucent
Content: 1 pc
Price: $ 520.85
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ID: 727359
Weight: 0.32ct
Size: 6.6 x 5.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 9.60
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ID: 659870
Weight: 1.35ct
Size: 6 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 3.25
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ID: 402348
Weight: 13.44ct
Size: 21.9 x 14.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 56.94
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ID: 718186
Weight: 1.06ct
Size: 6.1 x 4.9 mm
Clarity: VS
Content: 1 pc
Price: $ 31.80
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ID: 640733
Weight: 2.03ct
Size: 8.2 x 6.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 13.40
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ID: 397032
Weight: 6.30ct (total)
Size: 9 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 35.35
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ID: 718044
Weight: 22.31ct
Size: 28.9 x 13.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 80.32
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ID: 655265
Weight: 9.90ct
Size: 19.3 x 19.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.18
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ID: 548018
Weight: 1.64ct
Size: 6.3 x 6.1 mm
Clarity: SI
Content: 1 pc
Price: $ 33.23
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ID: 367182
Weight: 7.39ct
Size: 14.1 x 9.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 50.24
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ID: 637115
Weight: 0.75ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 39.60
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ID: 385583
Weight: 2.92ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 19.27
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ID: 409701
Weight: 10.67ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 50.84
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ID: 569998
Weight: 2.55ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 18.78
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ID: 448910
Weight: 4.31ct
Size: 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 14.22
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ID: 400139
Weight: 5.40ct (total)
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 17.82
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ID: 463150
Weight: 4.56ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 36.12
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ID: 711613
Weight: 1.27ct
Size: 7.5 x 5.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 25.36
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ID: 730454
Weight: 29.73ct
Size: 39.3 x 31.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 28.54
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ID: 408817
Weight: 8.78ct
Size: 14.8 x 12.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.56
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ID: 382948
Weight: 11.54ct
Size: 19.8 x 13.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 45.70
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ID: 730226
Weight: 2.76ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 24.71
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ID: 458682
Weight: 1.79ct (total)
Size: 4.3 x 3.4 mm
Clarity: VS
Content: 6 pcs
Price: $ 236.28
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ID: 639584
Weight: 0.33ct
Size: 5.1 x 3.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 34.06
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ID: 688135
Weight: 0.89ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 8.54
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ID: 689090
Weight: 1.88ct (total)
Size: 9.1 x 5.1 mm
Clarity: VS
Content: 2 pcs
Price: $ 18.05
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ID: 624924
Weight: 2.25ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 41.77
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ID: 716329
Weight: 12.49ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 119.90
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ID: 605446
Weight: 30.55ct (total)
Size: 16 x 16 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 47.59
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ID: 490367
Weight: 6.80ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 49.37
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ID: 727853
Weight: 1.09ct
Size: 6.1 x 5.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 6.54
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ID: 206360
Weight: 3.76ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS-SI
Content: 9 pcs
Price: $ 223.34
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ID: 599816
Weight: 1.82ct
Size: 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 23.78
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ID: 464419
Weight: 4.28ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 39.55
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ID: 645883
Weight: 8.17ct
Size: 18 x 17.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.49
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ID: 431218
Weight: 2.80ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 29.53
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ID: 382610
Weight: 9.78ct
Size: 16.3 x 11.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 25.82
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ID: 662972
Weight: 1.34ct
Size: 7.3 x 6.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 8.04
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ID: 600312
Weight: 3.36ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 43.91
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ID: 497345
Weight: 4.94ct
Size: 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 32.60
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ID: 484038
Weight: 29.84ct
Size: 27.9 x 18.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 59.09
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ID: 428015
Weight: 44.93ct
Size: 29.7 x 25.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.73
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ID: 673200
Weight: 11.27ct
Size: 14.9 x 13.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 67.62
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ID: 640387
Weight: 1.31ct
Size: 6.8 x 6.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 8.65
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ID: 505204
Weight: avg. 0.47 ct / each
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Price: $ 3.62
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ID: 543751
Weight: 2.15ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 43.26
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ID: 583861
Weight: 3.64ct
Size: 13 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 9.61
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ID: 564822
Weight: 9.94ct
Size: 17.4 x 14.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 39.36
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ID: 664267
Weight: 1.73ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 12.46
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ID: 699540
Weight: 0.79ct
Size: 6.1 x 4.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.03
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ID: 511089
Weight: 7.50ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 59.40
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ID: 686128
Weight: 5.66ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 6.79
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ID: 725870
Weight: 0.66ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 6.34
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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

Its been a long time since Ive made any purchases Im satisfied with the quality.

Posted By Hard Case in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 2024
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

I always enjoy the selection and the unique cuts I can find here. I would love to see more hex cuts tho! Maybe some rose cuts too!

Posted By Blkfower83 in October, 2024
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

Helpselect accomplished all personal growth goals

Posted By Mike in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.

Posted By Bryan De David in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 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

Its been a long time since Ive made any purchases Im satisfied with the quality.

Posted By Hard Case in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 2024
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

I always enjoy the selection and the unique cuts I can find here. I would love to see more hex cuts tho! Maybe some rose cuts too!

Posted By Blkfower83 in October, 2024
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

Helpselect accomplished all personal growth goals

Posted By Mike in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.

Posted By Bryan De David in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 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