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

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ID: 651754
Weight: 10.83ct
Size: 22.6 x 20.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.88
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ID: 685563
Weight: 2.29ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Price: $ 21.98
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ID: 457130
Weight: 5.70ct
Size: 13.4 x 8.1 mm
Clarity: VS
Price: $ 30.10
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ID: 735086
Weight: 4.31ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 20.69
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ID: 634653
Weight: 1.02ct (total)
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 18.36
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ID: 443377
Weight: 11.05ct (total)
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 36.31
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ID: 602897
Weight: 1.47ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 13.58
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ID: 701760
Weight: 25.38ct
Size: 19.1 x 13.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 152.28
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ID: 512167
Weight: 1.61ct
Size: 9.3 x 4.8 mm
Clarity: VS
Content: 1 pc
Price: $ 133.31
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ID: 692350
Weight: 13.19ct
Size: 16 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 110.80
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ID: 718848
Weight: 0.73ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 13.14
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ID: 525640
Weight: 46.14ct
Size: 30.1 x 24 mm
Clarity: Transparent
Content: 1 pc
Price: $ 100.49
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ID: 722787
Weight: 0.57ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 17.10
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ID: 693397
Weight: 2.71ct
Size: 10.7 x 6.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.76
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ID: 722815
Weight: 0.56ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 16.80
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ID: 648664
Weight: 7.74ct (total)
Size: 12.4 x 8.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 13.93
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ID: 621214
Weight: 9.87ct
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 23.69
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ID: 706964
Weight: 1.25ct
Size: 10 x 5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 3.00
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ID: 483838
Weight: 23.26ct
Size: 20 mm (calibrated)
Clarity: Opaque
Price: $ 34.08
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ID: 674272
Weight: 13.85ct
Size: 26.7 x 11.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 249.30
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ID: 720235
Weight: 0.96ct
Size: 6 x 4.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 69.12
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ID: 737117
Weight: 25.24ct
Size: 36.6 x 10.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 2.52
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ID: 658740
Weight: 17.50ct
Size: 16 x 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 25.62
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ID: 514801
Weight: 2.13ct
Size: 9 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 36.55
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ID: 422912
Weight: 3.16ct (total)
Size: 8 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 25.03
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ID: 691351
Weight: 0.57ct
Size: 4.8 x 4.6 mm
Clarity: VS
Content: 1 pc
Price: $ 47.88
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ID: 672584
Weight: 1.60ct
Size: 9.1 x 6.6 mm
Clarity: VS
Content: 1 pc
Price: $ 38.40
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ID: 674097
Weight: 12.33ct
Size: 25.8 x 9.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 221.94
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ID: 655921
Weight: 11.83ct
Size: 23.4 x 22.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 60.48
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ID: 417489
Weight: 4.06ct
Size: 8.9 x 8.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 803.88
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ID: 662687
Weight: 1.26ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 30.24
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ID: 515613
Weight: 24.15ct
Size: 30.2 x 20.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.57
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ID: 678004
Weight: 1.11ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 9.32
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ID: 706928
Weight: 1.55ct
Size: 7.3 x 7.2 mm
Clarity: VS-SI
Price: $ 14.88
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ID: 721739
Weight: 24.63ct
Size: 23.9 x 17.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.56
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ID: 735797
Weight: 31.92ct
Size: 36.8 x 17.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 26.42
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ID: 656087
Weight: 1.21ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 29.04
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ID: 466223
Weight: 7.00ct (total)
Size: 11.7 x 5.9 mm
Clarity: VVS-VS
Content: 4 pcs
Price: $ 73.92
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ID: 705451
Weight: 29.26ct
Size: 21.2 x 15.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 27.04
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ID: 682523
Weight: 8.99ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 53.94
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ID: 689587
Weight: 0.97ct
Size: 9.1 x 5 mm
Clarity: VS
Content: 1 pc
Price: $ 9.31
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ID: 451154
Weight: 1.50ct (total)
Size: 5.3 x 5.2 mm
Clarity: VS
Content: 2 pcs
Price: $ 13.86
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ID: 675439
Weight: 7.08ct
Size: 14 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 20.14
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ID: 680740
Weight: 1.38ct
Size: 7.1 x 5.2 mm
Clarity: SI
Content: 1 pc
Price: $ 41.40
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ID: 699538
Weight: 0.81ct
Size: 5.6 x 5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.90
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ID: 713839
Weight: 1.20ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 10.08
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ID: 460575
Weight: 4.47ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 49.17
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ID: 696445
Weight: 18.60ct
Size: 27.7 x 14.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 33.48
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ID: 431102
Weight: 2.52ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 26.57
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ID: 479466
Weight: 2.51ct (total)
Size: 10.1 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 26.51
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ID: 656197
Weight: 0.85ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 20.40
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ID: 650443
Weight: 23.01ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 64.88
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ID: 390598
Weight: 22.63ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 35.86
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ID: 394389
Weight: 5.44ct
Size: 11 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 35.90
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ID: 606555
Weight: 77.23ct
Size: 36.5 x 31.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 47.92
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ID: 699143
Weight: 21.52ct
Size: 25.4 x 10.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 25.82
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ID: 606014
Weight: 7.57ct
Size: 16 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 99.92
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ID: 493806
Weight: 4.28ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 30.67
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ID: 697694
Weight: 11.47ct (total)
Size: 15.1 x 9.2 mm
Clarity: VVS
Content: 2 pcs
Price: $ 82.58
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ID: 671927
Weight: 1.17ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 28.08
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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

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good shopping experience. Website is relatively easy to use. Prices are good.

Posted By Bleep in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

love these guys been ordering since 2000 maybe

Posted By JHT in April, 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 -> 8 star ratings

Easy website to navigate, lots of different varieties and options to choose from.

Posted By Brian in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All Good

Posted By Boru 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 -> 10 star ratings

Ive been looking for a place to buy loose gemstones for years and was thrilled when I found this site

Posted By Bern in October, 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

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good shopping experience. Website is relatively easy to use. Prices are good.

Posted By Bleep in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

love these guys been ordering since 2000 maybe

Posted By JHT in April, 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 -> 8 star ratings

Easy website to navigate, lots of different varieties and options to choose from.

Posted By Brian in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All Good

Posted By Boru 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 -> 10 star ratings

Ive been looking for a place to buy loose gemstones for years and was thrilled when I found this site

Posted By Bern in October, 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