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

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ID: 565262
Weight: 22.00ct
Size: 27.6 x 12.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 16.55
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ID: 387559
Weight: 4.50ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 10 pcs
Price: $ 29.70
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ID: 472494
Weight: 27.43ct (total)
Size: 22.6 x 11.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 54.32
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ID: 606486
Weight: 21.66ct (total)
Size: 20.8 x 10.6 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 33.74
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ID: 693389
Weight: 5.98ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 21.53
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ID: 446273
Weight: 10.58ct
Size: 21.2 x 12.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 38.09
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ID: 431094
Weight: 3.04ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 32.06
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ID: 650599
Weight: 0.87ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 7.31
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ID: 610076
Weight: 16.49ct
Size: 22.9 x 18.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.67
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ID: 656163
Weight: 1.26ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 30.24
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ID: 381490
Weight: 2.03ct
Size: 22.2 x 3.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 48.72
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ID: 533861
Weight: 2.78ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 25.69
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ID: 720980
Weight: 35.50ct
Size: 31.8 x 20.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.60
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ID: 637897
Weight: 0.60ct
Size: 7.7 x 4.4 mm
Clarity: VS
Content: 1 pc
Price: $ 72.98
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ID: 712426
Weight: 12.84ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 34.20
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ID: 485894
Weight: 6.78ct
Size: 14 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 56.95
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ID: 431735
Weight: 1.87ct
Size: 6.6 x 6.6 mm
Clarity: VS
Content: 1 pc
Price: $ 44.44
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ID: 705457
Weight: 44.21ct
Size: 27.5 x 16.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.85
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ID: 730987
Weight: 4.70ct
Size: 12.2 x 10.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.59
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ID: 465923
Weight: 3.94ct (total)
Size: 12.1 x 6.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 41.60
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ID: 567681
Weight: 1.39ct
Size: 5.4 x 5.4 mm
Clarity: SI
Content: 1 pc
Price: $ 31.19
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ID: 736697
Weight: 1.65ct
Size: 10.3 x 7.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.55
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ID: 708516
Weight: 1.29ct
Size: 7.6 x 6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 26.64
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ID: 642107
Weight: 1.32ct
Size: 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 61.78
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ID: 699052
Weight: 1.18ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 9.91
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ID: 723884
Weight: 8.11ct
Size: 13 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 9.64
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ID: 678068
Weight: 10.42ct
Size: 21.8 x 16.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.88
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ID: 338198
Weight: 8.46ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 39.08
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ID: 407997
Weight: 8.38ct
Size: 13 x 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 19.80
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ID: 730037
Weight: 3.54ct
Size: 15 x 10 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 339.84
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ID: 693367
Weight: 45.45ct
Size: 35.9 x 18.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.63
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ID: 493908
Weight: 2.19ct (total)
Size: 5.9 x 3 mm
Clarity: VS
Content: 10 pcs
Price: $ 17.34
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ID: 726874
Weight: 0.52ct
Size: 6.7 x 4.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 15.60
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ID: 378394
Weight: 2.45ct (total)
Size: 5.4 x 4.7 mm
Clarity: VVS-VS
Content: 4 pcs
Price: $ 131.38
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ID: 548054
Weight: 5.92ct
Size: 11.7 x 9.6 mm
Clarity: SI
Content: 1 pc
Price: $ 234.43
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ID: 595288
Weight: 2.91ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 76.82
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ID: 450384
Weight: 9.54ct
Size: 18.1 x 12.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 88.15
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ID: 478671
Weight: 0.81ct
Size: 6.3 x 4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.26
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ID: 418433
Weight: 12.94ct
Size: 15 x 13.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 25.62
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ID: 662881
Weight: 1.69ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 14.20
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ID: 704883
Weight: 1.70ct
Size: 11.1 x 8.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 51.00
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ID: 719007
Weight: 0.63ct
Size: 5.2 x 4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 11.34
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ID: 658629
Weight: 8.91ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.69
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ID: 446523
Weight: 2.08ct (total)
Size: 9 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 19.21
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ID: 642102
Weight: 1.11ct
Size: 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 51.95
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ID: 464123
Weight: 9.61ct
Size: 15 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 19.03
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ID: 602295
Weight: 2.54ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 23.47
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ID: 688129
Weight: 0.86ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.26
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ID: 481065
Weight: 26.81ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 26.54
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ID: 687145
Weight: 9.92ct (total)
Size: 10 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 29.04
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ID: 710223
Weight: 2.78ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 23.35
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ID: 306926
Weight: 2.23ct
Size: 8.3 x 6.6 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 8.23
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ID: 492790
Weight: 4.76ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.43
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ID: 447780
Weight: 28.27ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 111.95
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ID: 709197
Weight: 2.28ct
Size: 13.9 x 6.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 19.15
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ID: 466986
Weight: 0.55ct
Size: 8 x 4.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.94
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ID: 718644
Weight: 15.73ct
Size: 36.4 x 16.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 94.38
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ID: 392462
Weight: 6.69ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 44.16
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ID: 639107
Weight: 1.30ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 10.92
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ID: 693764
Weight: 6.14ct
Size: 13.4 x 10.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.10
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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

Muy serios y muy oportunos para el envo

Posted By Veronica in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

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

Overall Rating -> 8 star ratings

The website was nice and I bought some gems

Posted By Jay in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I was looking for a site with every type of gem I could want for setting in luxury blades and assumed I would need to look outside the US, but GemSelect made it easy to get everything I wanted without leaving the house! Wide enough selection that I do not feel the need to look elsewhere and pricing the same.

Posted By Razormane in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Excellent selection and easy to use, well done site

Posted By Steph in December, 2024
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

Overall Rating -> 10 star ratings

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
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 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

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

Muy serios y muy oportunos para el envo

Posted By Veronica in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

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

Overall Rating -> 8 star ratings

The website was nice and I bought some gems

Posted By Jay in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I was looking for a site with every type of gem I could want for setting in luxury blades and assumed I would need to look outside the US, but GemSelect made it easy to get everything I wanted without leaving the house! Wide enough selection that I do not feel the need to look elsewhere and pricing the same.

Posted By Razormane in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Excellent selection and easy to use, well done site

Posted By Steph in December, 2024
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

Overall Rating -> 10 star ratings

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
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 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

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