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

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ID: 724892
Weight: 0.79ct
Size: 5.9 x 3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 33.18
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ID: 716070
Weight: 18.55ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 178.08
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ID: 650670
Weight: 26.87ct
Size: 28.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 75.77
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ID: 693865
Weight: 2.65ct
Size: 11 x 8.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 7.95
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ID: 409704
Weight: 13.54ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 89.36
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ID: 648251
Weight: 17.14ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 9.88
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ID: 492210
Weight: 8.52ct
Size: 19.4 x 13.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 32.05
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ID: 672915
Weight: 4.33ct (total)
Size: 16 x 6.7 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 12.22
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ID: 466281
Weight: 7.58ct
Size: 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.01
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ID: 727092
Weight: 1.29ct
Size: 9.2 x 4.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 77.40
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ID: 532371
Weight: 7.15ct
Size: 12.5 x 10.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 51.91
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ID: 492626
Weight: 10.99ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 79.50
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ID: 367837
Weight: 4.64ct
Size: 13.7 x 8.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 31.30
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ID: 694426
Weight: 31.15ct
Size: 31.6 x 21.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 33.65
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ID: 450399
Weight: 4.59ct
Size: 12.6 x 10.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 42.41
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ID: 729951
Weight: 6.37ct
Size: 15 x 10 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 611.52
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ID: 687073
Weight: 0.17ct
Size: 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 8.16
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ID: 567236
Weight: 2.42ct
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 54.30
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ID: 453393
Weight: 1.82ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 16.81
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ID: 551163
Weight: 2.91ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.89
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ID: 635165
Weight: 1.98ct
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 52.27
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ID: 646855
Weight: 1.20ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 31.68
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ID: 529126
Weight: 21.42ct
Size: 29.5 x 9.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 14.14
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ID: 712405
Weight: 3.96ct
Size: 14 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 10.55
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ID: 428216
Weight: 3.53ct (total)
Size: 8 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 9.32
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ID: 677846
Weight: 1.09ct
Size: 4.6 x 4.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 748.13
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ID: 691171
Weight: 0.58ct
Size: 5 x 4.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 48.72
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ID: 541917
Weight: 2.10ct
Size: 9 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 19.40
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ID: 707834
Weight: 5.34ct
Size: 14.2 x 9.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 38.45
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ID: 727999
Weight: 0.04ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.50
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ID: 699597
Weight: 25.73ct
Size: 37 x 14 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.90
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ID: 707892
Weight: 3.53ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.84
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ID: 681855
Weight: 0.21ct
Size: 3.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 120.36
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ID: 714073
Weight: 0.35ct
Size: 4.2 mm
Clarity: SI
Content: 1 pc
Price: $ 10.50
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ID: 731025
Weight: 14.76ct (total)
Size: 18.8 x 14.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.09
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ID: 713737
Weight: 1.08ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 9.07
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ID: 730031
Weight: 0.27ct
Size: 5 x 3 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 12.96
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ID: 699631
Weight: 0.74ct
Size: 5.7 x 4.9 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 44.40
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ID: 569268
Weight: 2.14ct
Size: 8 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 42.54
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ID: 713455
Weight: 1.50ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 25.20
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ID: 586787
Weight: 2.94ct
Size: 18 x 7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 27.17
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ID: 664131
Weight: 0.90ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 7.56
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ID: 462687
Weight: 1.81ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 95.57
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ID: 706942
Weight: 1.63ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 3.91
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ID: 346797
Weight: 1.44ct
Size: 16 x 3.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 58.55
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ID: 533948
Weight: 2.02ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.18
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ID: 471442
Weight: 28.34ct
Size: 30.8 x 20.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.20
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ID: 439558
Weight: 5.31ct
Size: 15 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 105.14
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ID: 454810
Weight: 30.16ct (total)
Size: 20.3 x 13.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 39.82
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ID: 725654
Weight: 1.16ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 45.95
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ID: 455579
Weight: 2.70ct
Size: 12.2 x 6.1 mm
Clarity: VS
Content: 1 pc
Price: $ 24.95
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ID: 471872
Weight: 6.02ct
Size: 13 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 1,188.00
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ID: 620842
Weight: 1.53ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 14.14
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ID: 712068
Weight: 1.13ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 22.56
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ID: 718449
Weight: 0.08ct (total)
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 76.80
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ID: 382693
Weight: 11.67ct
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 23.10
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ID: 644275
Weight: 0.89ct
Size: 6.5 x 5.5 mm
Clarity: VVS
Price: $ 7.48
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ID: 708000
Weight: 15.51ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 14.89
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ID: 368481
Weight: 2.94ct
Size: 9.6 x 7.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 19.25
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ID: 387556
Weight: 4.83ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 10 pcs
Price: $ 31.88
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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

Very good Hoping you will increase your inventory especially in the 6mm Thanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
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

Overall Rating -> 10 star ratings

I really liked the email, and the link that help return me to the site. I didnt have access to my card info while checking out and I had to put my phone away so I lost the tab. Fortunately, since I did give an email- they sent me a link that brought me back to where I was. Greatly appreciated

Posted By Jag in January, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and convenient

Posted By Butch in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect website simple to use. I recommend it to non-trade clients looking for gems.

Posted By GemJocky in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

So far, my experience was great...Thanks

Posted By Kaydi in May, 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

Very good Hoping you will increase your inventory especially in the 6mm Thanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
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

Overall Rating -> 10 star ratings

I really liked the email, and the link that help return me to the site. I didnt have access to my card info while checking out and I had to put my phone away so I lost the tab. Fortunately, since I did give an email- they sent me a link that brought me back to where I was. Greatly appreciated

Posted By Jag in January, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and convenient

Posted By Butch in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect website simple to use. I recommend it to non-trade clients looking for gems.

Posted By GemJocky in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

So far, my experience was great...Thanks

Posted By Kaydi in May, 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