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

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ID: 622336
Weight: 6.12ct
Size: 13 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 103.88
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ID: 736373
Weight: 34.01ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 31.97
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ID: 385584
Weight: 3.16ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 20.86
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ID: 538012
Weight: 0.90ct
Size: 11.8 x 3.2 mm
Clarity: VS
Content: 1 pc
Price: $ 81.97
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ID: 474556
Weight: 28.79ct
Size: 31.9 x 18.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.00
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ID: 672124
Weight: 1.01ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 24.24
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ID: 727887
Weight: 1.75ct
Size: 7.5 x 6.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 10.50
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ID: 716403
Weight: 0.64ct
Size: 6.9 x 4.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 40.70
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ID: 518203
Weight: 1.48ct
Size: 7.6 x 6.3 mm
Clarity: VS
Content: 1 pc
Price: $ 29.30
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ID: 737383
Weight: 1.98ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 89.10
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ID: 470845
Weight: 12.12ct
Size: 12.3 x 11.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 559.94
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ID: 418771
Weight: 5.08ct
Size: 15 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 9.14
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ID: 495365
Weight: 1.56ct
Size: 7.9 x 6.5 mm
Clarity: VS
Content: 1 pc
Price: $ 33.43
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ID: 490899
Weight: 5.21ct
Size: 17.9 x 7.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.39
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ID: 699530
Weight: 0.69ct
Size: 5.2 x 5.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 6.62
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ID: 672055
Weight: 2.13ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 51.12
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ID: 661847
Weight: 5.68ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 6.82
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ID: 477119
Weight: 2.40ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 19.01
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ID: 722776
Weight: 1.10ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 33.00
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ID: 453537
Weight: 4.54ct
Size: 13.8 x 7.2 mm
Clarity: VS
Content: 1 pc
Price: $ 149.82
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ID: 691366
Weight: 0.80ct
Size: 5.7 x 5.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 48.00
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ID: 346703
Weight: 48.59ct
Size: 31.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 64.14
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ID: 623112
Weight: 1.70ct
Size: 6.6 x 6.6 mm
Clarity: VS
Content: 1 pc
Price: $ 32.50
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ID: 647340
Weight: 0.43ct
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 15.48
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ID: 714456
Weight: 0.64ct
Size: 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 19.20
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ID: 695556
Weight: 17.11ct
Size: 17.3 x 13.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 118.26
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ID: 645950
Weight: 8.68ct
Size: 22.4 x 11.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 27.08
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ID: 498319
Weight: 1.34ct
Size: 10 x 5.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.15
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ID: 449294
Weight: 0.76ct
Size: 11.5 x 3.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 30.10
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ID: 358407
Weight: 4.06ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 26.80
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ID: 420273
Weight: 11.60ct
Size: 20.5 x 14.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 30.62
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ID: 707745
Weight: 5.71ct
Size: 12.7 x 12.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 41.11
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ID: 656673
Weight: 0.80ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 13.44
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ID: 701893
Weight: 5.29ct
Size: 14.5 x 7.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.45
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ID: 474033
Weight: 1.98ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 18.30
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ID: 394611
Weight: 5.33ct (total)
Size: 8.6 x 8.5 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 35.18
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ID: 418463
Weight: 9.94ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 19.68
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ID: 643515
Weight: 0.86ct
Size: 9.8 x 4.1 mm
Clarity: VVS
Price: $ 7.22
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ID: 205808
Weight: 2.39ct (total)
Size: 4 mm (calibrated)
Clarity: VS-SI
Content: 9 pcs
Price: $ 141.97
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ID: 734692
Weight: 56.97ct
Size: 27 x 20 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 546.91
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ID: 643533
Weight: 10.08ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 90.05
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ID: 709077
Weight: 2.97ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 61.33
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ID: 531215
Weight: 8.11ct
Size: 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 11.66
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ID: 719920
Weight: 0.88ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 7.39
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ID: 635162
Weight: 1.33ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 35.11
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ID: 360169
Weight: 0.99ct
Size: 6.9 x 5.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 95.84
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ID: 548000
Weight: 1.58ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 521.40
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ID: 533714
Weight: 2.71ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 25.04
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ID: 728192
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
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ID: 720849
Weight: 1.37ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 11.51
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ID: 551664
Weight: 2.79ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 25.19
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ID: 333668
Weight: 11.00ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 21.78
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ID: 552284
Weight: 4.19ct
Size: 14.2 x 9.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 8.18
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ID: 662738
Weight: 1.34ct
Size: 7.3 x 6 mm
Clarity: VS
Content: 1 pc
Price: $ 32.16
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ID: 722688
Weight: 21.04ct
Size: 24.7 x 14.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 176.74
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ID: 631709
Weight: 9.29ct
Size: 16 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 111.48
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ID: 551891
Weight: 1.21ct
Size: 7.5 x 5.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.56
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ID: 733077
Weight: 0.44ct
Size: 5 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 18.48
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ID: 618937
Weight: 1.06ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 50.27
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ID: 479644
Weight: 1.24ct
Size: 9.9 x 4.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.09
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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

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

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 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 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

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

easy site to navigate

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

Overall Rating -> 10 star ratings

I enjoy doing buisness with GemSelect. It is always a pleasure and you get what you ordered!

Posted By Ballpark in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring

Posted By Desertchick in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Loved everything. High quality, quick shipping, and authentication included.

Posted By Chris 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

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

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 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 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

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

easy site to navigate

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

Overall Rating -> 10 star ratings

I enjoy doing buisness with GemSelect. It is always a pleasure and you get what you ordered!

Posted By Ballpark in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring

Posted By Desertchick in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Loved everything. High quality, quick shipping, and authentication included.

Posted By Chris 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