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

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ID: 693379
Weight: 27.74ct
Size: 35.2 x 10 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.98
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ID: 474614
Weight: 29.83ct (total)
Size: 21.9 x 15.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 70.87
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ID: 405075
Weight: 13.29ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 87.72
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ID: 481110
Weight: 24.36ct
Size: 26.3 x 23.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.73
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ID: 416573
Weight: 7.02ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 30.89
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ID: 475801
Weight: 3.36ct
Size: 11.5 x 10.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 35.22
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ID: 710389
Weight: 5.77ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.82
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ID: 632823
Weight: 2.24ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 16.13
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ID: 513989
Weight: 2.80ct
Size: 10.5 x 7.8 mm
Clarity: VS
Content: 1 pc
Price: $ 22.18
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ID: 477482
Weight: 4.44ct
Size: 11 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 31.97
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ID: 722732
Weight: 23.96ct
Size: 29 x 15.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 201.26
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ID: 680920
Weight: 1.24ct
Size: 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 37.20
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ID: 672056
Weight: 1.77ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 42.48
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ID: 454040
Weight: 1.22ct
Size: 12.8 x 4.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 51.53
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ID: 533541
Weight: 1.37ct (total)
Size: 6.4 x 4.3 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 4.50
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ID: 471530
Weight: 5.82ct
Size: 15.5 x 10.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 50.26
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ID: 500690
Weight: 15.11ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 117.08
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ID: 451004
Weight: 2.63ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 24.30
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ID: 552429
Weight: 6.81ct
Size: 19 x 13.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 17.98
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ID: 694562
Weight: 16.89ct
Size: 22.4 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.24
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ID: 624142
Weight: 3.23ct
Size: 9.1 x 7.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 21.32
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ID: 408035
Weight: 13.94ct
Size: 15 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 32.94
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ID: 667064
Weight: 1.71ct
Size: 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 35.06
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ID: 639576
Weight: 5.35ct
Size: 11.4 x 9.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 26.52
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ID: 418442
Weight: 11.81ct
Size: 17.2 x 12.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 23.39
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ID: 712717
Weight: 11.14ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 29.68
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ID: 447677
Weight: 1.21ct
Size: 6.6 x 5.3 mm
Clarity: VS
Content: 1 pc
Price: $ 768.79
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ID: 726030
Weight: 1.98ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 78.43
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ID: 725883
Weight: 1.47ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 14.11
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ID: 573249
Weight: 1.00ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 24.00
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ID: 431641
Weight: 1.45ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 15.30
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ID: 451040
Weight: 1.50ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 13.86
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ID: 685650
Weight: 8.96ct
Size: 16.6 x 14.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 11.51
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ID: 674884
Weight: 51.20ct
Size: 26.2 x 20.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 132.10
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ID: 477053
Weight: 27.40ct
Size: 17 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 108.50
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ID: 713686
Weight: 1.66ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 27.89
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ID: 694315
Weight: 0.94ct
Size: 14.6 x 3.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 28.20
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ID: 500847
Weight: 7.78ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 54.80
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ID: 697569
Weight: 1.93ct
Size: 11 x 8.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 58.48
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ID: 730476
Weight: 5.31ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 47.53
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ID: 551282
Weight: 3.09ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.90
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ID: 712929
Weight: 1.68ct
Size: 9 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.48
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ID: 333637
Weight: 17.76ct (total)
Size: 15.3 x 11.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 234.43
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ID: 322103
Weight: 1.50ct (total)
Size: 4 mm (calibrated)
Clarity: VVS-VS
Content: 5 pcs
Price: $ 197.51
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ID: 460279
Weight: 2.38ct (total)
Size: 4.5 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 55.67
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ID: 459913
Weight: 4.53ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.86
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ID: 721639
Weight: 7.41ct
Size: 11.5 x 11 mm
Clarity: Opaque
Content: 1 pc
Price: $ 7.41
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ID: 680686
Weight: 1.36ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 40.80
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ID: 565167
Weight: 0.19ct (total)
Size: 3 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 415.91
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ID: 426708
Weight: 9.58ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 44.26
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ID: 718213
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.80
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ID: 401142
Weight: 29.70ct
Size: 22 x 16.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 58.81
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ID: 643577
Weight: 4.02ct (total)
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 10.61
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ID: 668971
Weight: 13.74ct
Size: 17.1 x 13.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 82.44
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ID: 610070
Weight: 17.02ct
Size: 24.7 x 15.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.70
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ID: 533977
Weight: 3.54ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 32.71
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ID: 435569
Weight: 12.09ct
Size: 18 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 39.58
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ID: 491649
Weight: 30.35ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 26.83
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ID: 712099
Weight: 3.55ct
Size: 14 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 9.46
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ID: 715509
Weight: 0.40ct
Size: 4.7 x 3.8 mm
Clarity: VS
Content: 1 pc
Price: $ 25.44
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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

I wish there were options for jewelry settings

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

very good

Posted By Son Gift in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Everything went well, the payment options are easily declined but, but once sorted out, everything is smooth. I have bought from GemSelect before and am consistently satisfied with them.

Posted By Gabe in August, 2024
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 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 -> 10 star ratings

Awesome

Posted By D in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

This is a wonderful website

Posted By Bryan Diaz in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Im not a jeweler, I buy for my personal use. My dad was a jewelry maker and I love gemstones.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I have bought from you before and have found your gems exceed my expectations. I have been very satisfied with all gems sent to me. I will be back. Thanks....

Posted By Dork in September, 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

I wish there were options for jewelry settings

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

very good

Posted By Son Gift in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Everything went well, the payment options are easily declined but, but once sorted out, everything is smooth. I have bought from GemSelect before and am consistently satisfied with them.

Posted By Gabe in August, 2024
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 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 -> 10 star ratings

Awesome

Posted By D in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

This is a wonderful website

Posted By Bryan Diaz in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Im not a jeweler, I buy for my personal use. My dad was a jewelry maker and I love gemstones.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I have bought from you before and have found your gems exceed my expectations. I have been very satisfied with all gems sent to me. I will be back. Thanks....

Posted By Dork in September, 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