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

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ID: 712672
Weight: 9.42ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 25.09
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ID: 710318
Weight: 1.43ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 25.62
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ID: 497062
Weight: 2.33ct
Size: 8.7 x 7.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 41.86
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ID: 612057
Weight: 1.21ct
Size: 6.9 x 6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 28.55
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ID: 702032
Weight: 11.71ct
Size: 14.2 x 11.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.26
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ID: 481878
Weight: 1.24ct
Size: 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 35.65
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ID: 698787
Weight: 0.92ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 7.73
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ID: 711710
Weight: 31.15ct
Size: 25.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 82.98
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ID: 608482
Weight: 7.22ct (total)
Size: 10 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 133.43
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ID: 534200
Weight: 1.11ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 10.26
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ID: 662725
Weight: 26.26ct (total)
Size: 27.6 x 15.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 18.59
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ID: 399400
Weight: 13.77ct
Size: 31.9 x 12.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 28.90
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ID: 619970
Weight: 7.14ct
Size: 12 x 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 32.82
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ID: 449129
Weight: 4.07ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 26.87
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ID: 413509
Weight: 5.33ct
Size: 11 x 11 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 17.58
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ID: 393366
Weight: 1.57ct (total)
Size: 3 x 1.8 mm
Clarity: VS
Content: 20 pcs
Price: $ 113.99
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ID: 451381
Weight: 1.70ct (total)
Size: 4.6 x 4.5 mm
Clarity: VS
Content: 3 pcs
Price: $ 15.71
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ID: 650424
Weight: 30.49ct
Size: 31.6 x 22.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.30
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ID: 592972
Weight: 1.22ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 40.26
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ID: 421929
Weight: 2.60ct (total)
Size: 6.5 x 5 mm
Clarity: VVS-VS
Content: 4 pcs
Price: $ 137.28
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ID: 525351
Weight: 1.32ct
Size: 7.2 x 6.1 mm
Clarity: VVS-VS
Price: $ 203.28
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ID: 691753
Weight: 0.52ct (total)
Size: 3.8 x 3.6 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 19.82
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ID: 454901
Weight: 8.54ct
Size: 19.3 x 12.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 14.33
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ID: 715684
Weight: 1.05ct
Size: 10.4 x 3.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 66.78
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ID: 410761
Weight: 5.41ct
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Price: $ 35.71
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ID: 394765
Weight: 4.99ct
Size: 10.6 x 10.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 32.94
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ID: 660021
Weight: 1.35ct
Size: 6 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 3.25
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ID: 463977
Weight: 4.41ct
Size: 11 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 8.74
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ID: 559416
Weight: 2.26ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 46.38
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ID: 420296
Weight: 14.11ct
Size: 19.2 x 13.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 50.80
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ID: 713741
Weight: 0.93ct
Size: 7.8 x 6.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 7.81
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ID: 620849
Weight: 3.96ct (total)
Size: 12.1 x 6 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 41.82
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ID: 413450
Weight: 1.85ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 17.10
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ID: 345976
Weight: 15.24ct
Size: 17.8 x 15 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 26.15
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ID: 431154
Weight: 2.99ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 71.04
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ID: 386326
Weight: 6.65ct (total)
Size: 16.9 x 7.5 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 59.16
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ID: 481138
Weight: 45.70ct
Size: 35.3 x 26 mm
Clarity: Opaque
Content: 1 pc
Price: $ 45.25
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ID: 395274
Weight: 3.70ct
Size: 9.6 x 9.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 24.42
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ID: 670889
Weight: 1.34ct
Size: 7 x 4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 40.20
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ID: 685509
Weight: 0.66ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 6.34
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ID: 449642
Weight: 4.14ct (total)
Size: 7.1 x 5.5 mm
Clarity: Transparent
Content: 4 pcs
Price: $ 27.32
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ID: 697628
Weight: 24.02ct
Size: 25 x 24.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 16.43
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ID: 725755
Weight: 1.14ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 10.94
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ID: 706806
Weight: 2.38ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.71
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ID: 511250
Weight: 0.79ct
Size: 10.2 x 4.6 mm
Clarity: VS
Content: 1 pc
Price: $ 46.93
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ID: 499551
Weight: 52.60ct
Size: 43.8 x 18.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 48.60
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ID: 414897
Weight: 5.96ct
Size: 10.6 x 10.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 39.34
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ID: 715762
Weight: 13.11ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 125.86
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ID: 471973
Weight: 4.32ct
Size: 11.2 x 8.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 362.88
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ID: 599837
Weight: 9.16ct
Size: 16 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 40.99
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ID: 721641
Weight: 11.90ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 14.28
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ID: 532316
Weight: 4.85ct
Size: 15 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 38.41
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ID: 708421
Weight: 3.83ct
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 116.00
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ID: 505190
Weight: 13.46ct
Size: 16 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 28.08
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ID: 367205
Weight: 6.14ct
Size: 13 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.74
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ID: 526875
Weight: 3.62ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 26.18
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ID: 643812
Weight: 2.64ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 6.97
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ID: 392909
Weight: 2.28ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 60.19
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ID: 466308
Weight: 5.49ct (total)
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 184.46
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ID: 478457
Weight: 1.93ct (total)
Size: 6 mm (calibrated)
Clarity: Translucent
Content: 3 pcs
Price: $ 89.17
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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 -> 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 found the website easy to work with. The gemstones are lovely.

Posted By Sophie-Tiger in September, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 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

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

I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.

Posted By Sam in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Great site always looking for great deals and find them on this site

Posted By IRO5812 in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very professional site

Posted By JR in January, 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 -> 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 found the website easy to work with. The gemstones are lovely.

Posted By Sophie-Tiger in September, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 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

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

I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.

Posted By Sam in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Great site always looking for great deals and find them on this site

Posted By IRO5812 in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very professional site

Posted By JR in January, 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