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

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ID: 733059
Weight: 0.38ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 3.19
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ID: 635831
Weight: 6.23ct
Size: 16.2 x 10.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.24
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ID: 668701
Weight: 0.59ct
Size: 5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 566.40
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ID: 401591
Weight: 2.22ct (total)
Size: 4.5 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 90.84
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ID: 734803
Weight: 6.03ct
Size: 12 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 253.26
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ID: 521572
Weight: 23.33ct
Size: 23.3 x 16.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 184.78
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ID: 625395
Weight: 1.79ct (total)
Size: 5.8 mm
Clarity: VS
Content: 2 pcs
Price: $ 33.23
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ID: 438458
Weight: 1.46ct
Size: 6.5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 38.54
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ID: 698904
Weight: 0.91ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 7.64
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ID: 712436
Weight: 6.59ct
Size: 17.8 x 10.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 17.56
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ID: 730338
Weight: 0.73ct
Size: 5.8 x 4.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 43.80
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ID: 500846
Weight: 7.50ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 52.84
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ID: 472534
Weight: 8.13ct
Size: 13.2 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.20
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ID: 506017
Weight: 44.51ct
Size: 24.8 x 20.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 352.52
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ID: 477568
Weight: 1.92ct (total)
Size: 5 mm (calibrated)
Clarity: Translucent
Content: 5 pcs
Price: $ 54.01
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ID: 262423
Weight: 0.61ct
Size: 7 x 3.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 76.10
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ID: 358157
Weight: 3.97ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 26.21
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ID: 650046
Weight: 0.87ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 7.31
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ID: 582535
Weight: 33.71ct (total)
Size: 17.6 x 16.6 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 48.49
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ID: 679238
Weight: 11.24ct
Size: 16.7 x 13.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 67.44
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ID: 558051
Weight: 1.07ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 8.47
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ID: 727891
Weight: 1.94ct
Size: 7.5 x 6.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 11.64
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ID: 434341
Weight: 1.67ct
Size: 6.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 44.09
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ID: 544255
Weight: 1.83ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.64
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ID: 712460
Weight: 5.45ct
Size: 16 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 14.52
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ID: 291474
Weight: 11.04ct
Size: 22.6 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.08
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ID: 546505
Weight: 2.49ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 32.87
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ID: 424838
Weight: 0.84ct
Size: 9.3 x 4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 33.26
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ID: 547777
Weight: 1.77ct
Size: 7 x 7 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 35.87
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ID: 448966
Weight: 2.80ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 18.48
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ID: 718989
Weight: 0.96ct
Size: 5.9 x 4.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 17.28
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ID: 379377
Weight: 1.13ct
Size: 10.3 x 4.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 126.10
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ID: 695154
Weight: 2.74ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 6.30
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ID: 312856
Weight: 17.07ct
Size: 28.4 x 13 mm
Clarity: Opaque
Content: 1 pc
Price: $ 56.34
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ID: 371638
Weight: 6.59ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 43.50
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ID: 711022
Weight: 17.29ct
Size: 18 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 145.24
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ID: 673484
Weight: 1.51ct
Size: 7.4 x 5.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.24
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ID: 662866
Weight: 3.60ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 86.40
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ID: 681910
Weight: 0.51ct
Size: 5.8 x 3.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 9.18
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ID: 713395
Weight: 15.58ct
Size: 18 x 13 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 130.87
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ID: 716433
Weight: 3.88ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 37.25
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ID: 386579
Weight: 9.07ct (total)
Size: 16.9 x 7.4 mm
Clarity: Translucent
Content: 4 pcs
Price: $ 80.69
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ID: 521227
Weight: 20.26ct
Size: 33.2 x 8.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.37
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ID: 526766
Weight: 0.94ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.92
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ID: 713414
Weight: 0.77ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 12.94
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ID: 727822
Weight: 1.23ct
Size: 7.1 x 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 42.72
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ID: 533100
Weight: 1.43ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 41.41
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ID: 593778
Weight: 1.35ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.95
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ID: 491472
Weight: 39.77ct
Size: 33.3 x 26.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.34
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ID: 205892
Weight: 2.26ct (total)
Size: 4 mm (calibrated)
Clarity: VS-SI
Content: 9 pcs
Price: $ 134.24
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ID: 727298
Weight: 0.43ct
Size: 5 x 4 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 18.06
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ID: 730061
Weight: 4.67ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 41.81
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ID: 712246
Weight: 1.39ct
Size: 7.3 x 5.9 mm
Clarity: VS
Content: 1 pc
Price: $ 33.36
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ID: 715543
Weight: 3.71ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 35.62
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ID: 447805
Weight: 22.19ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 87.88
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ID: 453471
Weight: 5.87ct
Size: 15.9 x 7.3 mm
Clarity: VS
Content: 1 pc
Price: $ 193.72
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ID: 551440
Weight: 2.97ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.81
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ID: 636193
Weight: 1.40ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 40.32
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ID: 393070
Weight: 2.18ct
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 57.55
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ID: 458411
Weight: 1.12ct (total)
Size: 4.4 x 3.5 mm
Clarity: VS
Content: 4 pcs
Price: $ 147.84
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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

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

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

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 was looking for a site with every type of gem I could want for setting in luxury blades and assumed I would need to look outside the US, but GemSelect made it easy to get everything I wanted without leaving the house! Wide enough selection that I do not feel the need to look elsewhere and pricing the same.

Posted By Razormane in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Muy serios y muy oportunos para el envo

Posted By Veronica in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
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 -> 10 star ratings

easy site to navigate

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

Overall Rating -> 10 star ratings

I have bought many stones from GemsSelect and have been very satisfied with all!I will continue to buy and recommend this site!

Posted By DG in July, 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 -> 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

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

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 was looking for a site with every type of gem I could want for setting in luxury blades and assumed I would need to look outside the US, but GemSelect made it easy to get everything I wanted without leaving the house! Wide enough selection that I do not feel the need to look elsewhere and pricing the same.

Posted By Razormane in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Muy serios y muy oportunos para el envo

Posted By Veronica in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
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 -> 10 star ratings

easy site to navigate

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

Overall Rating -> 10 star ratings

I have bought many stones from GemsSelect and have been very satisfied with all!I will continue to buy and recommend this site!

Posted By DG in July, 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