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

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ID: 726066
Weight: 0.42ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 4.03
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ID: 309433
Weight: 0.79ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 44.84
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ID: 605442
Weight: 30.24ct (total)
Size: 19.4 x 13.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 47.10
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ID: 413696
Weight: 10.78ct
Size: 14 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 355.74
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ID: 694809
Weight: 2.63ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.26
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ID: 381791
Weight: 3.79ct (total)
Size: 3.7 mm
Clarity: VS
Content: 20 pcs
Price: $ 200.56
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ID: 558493
Weight: 7.38ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 55.82
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ID: 704838
Weight: 22.71ct
Size: 36.2 x 9.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 2.72
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ID: 704644
Weight: 1.27ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 38.10
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ID: 460350
Weight: 3.45ct
Size: 13 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 31.88
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ID: 625272
Weight: 0.84ct
Size: 6.5 x 4.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 3.32
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ID: 348379
Weight: 2.13ct
Size: 18.6 x 3.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 98.41
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ID: 707901
Weight: 2.40ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 3.97
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ID: 386699
Weight: 4.24ct
Size: 17.7 x 9.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 34.30
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ID: 704695
Weight: 33.66ct
Size: 39.5 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 8.08
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ID: 481594
Weight: 21.10ct
Size: 18.6 x 16.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 30.36
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ID: 418461
Weight: 10.44ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 20.68
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ID: 435754
Weight: 2.15ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.20
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ID: 465980
Weight: 8.95ct
Size: 14 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 17.72
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ID: 443226
Weight: 10.77ct (total)
Size: 11 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 35.40
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ID: 651758
Weight: 13.53ct
Size: 22.6 x 14.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 24.84
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ID: 715746
Weight: 0.71ct
Size: 5.5 x 4.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 45.16
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ID: 686764
Weight: 0.35ct
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 16.80
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ID: 730304
Weight: 104.76ct
Size: 56.7 x 35.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 100.57
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ID: 379182
Weight: 1.74ct (total)
Size: 8 x 5 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 104.20
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ID: 479948
Weight: 4.09ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 37.79
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ID: 499724
Weight: 2.95ct (total)
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 15.02
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ID: 499240
Weight: 1.86ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 33.40
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ID: 712058
Weight: 8.52ct (total)
Size: 12 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 22.69
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ID: 486987
Weight: 22.52ct
Size: 24.9 x 16.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.87
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ID: 686282
Weight: 6.34ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 7.61
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ID: 358530
Weight: 1.90ct
Size: 7.3 x 6.5 mm
Clarity: VS
Content: 1 pc
Price: $ 62.70
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ID: 661898
Weight: 1.97ct
Size: 8 mm (calibrated)
Clarity: VVS
Price: $ 16.55
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ID: 479516
Weight: 16.04ct (total)
Size: 18.8 x 11.9 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 29.22
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ID: 676022
Weight: 5.68ct
Size: 17.9 x 10.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 16.15
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ID: 709902
Weight: 0.51ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Price: $ 4.28
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ID: 360632
Weight: 8.40ct
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 44.35
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ID: 531509
Weight: 1.53ct
Size: 6.7 x 5.9 mm
Clarity: VS
Content: 1 pc
Price: $ 153.58
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ID: 587760
Weight: 1.56ct
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 41.18
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ID: 726149
Weight: 0.34ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 3.26
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ID: 731993
Weight: 1.18ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 45.31
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ID: 647744
Weight: 1.05ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 27.72
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ID: 735220
Weight: 2.04ct
Size: 8.3 x 6.7 mm
Clarity: VS
Content: 1 pc
Price: $ 97.92
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ID: 427129
Weight: 2.38ct (total)
Size: 9 x 6 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 18.85
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ID: 605907
Weight: 26.39ct (total)
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 41.10
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ID: 479608
Weight: 2.35ct (total)
Size: 10.1 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 24.82
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ID: 525364
Weight: 1.66ct
Size: 6.7 x 6.5 mm
Clarity: VS
Content: 1 pc
Price: $ 306.77
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ID: 723587
Weight: 1.96ct
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 18.82
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ID: 622767
Weight: 0.82ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 15.16
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ID: 590828
Weight: 7.95ct (total)
Size: 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 13.02
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ID: 701288
Weight: 3.58ct
Size: 14.3 x 6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.48
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ID: 662169
Weight: 12.62ct
Size: 26 x 15.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.37
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ID: 485670
Weight: 5.46ct
Size: 13 x 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 7.21
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ID: 700194
Weight: 0.84ct
Size: 5.2 x 5.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 36.19
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ID: 479971
Weight: 4.31ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 39.83
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ID: 692692
Weight: 35.36ct
Size: 35 x 25.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.22
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ID: 485130
Weight: 4.73ct (total)
Size: 9 x 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 24.97
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ID: 722821
Weight: 0.53ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 15.90
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ID: 554644
Weight: 0.92ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 7.28
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ID: 632505
Weight: 2.35ct
Size: 10 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 16.92
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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

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

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 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

Overall Rating -> 10 star ratings

love these guys been ordering since 2000 maybe

Posted By JHT in April, 2025
Source: Bizrate

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 -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Always excellent quality and service from GemSelect

Posted By Mike B. in September, 2024
Source: Bizrate

Overall Rating -> 7 star ratings

Okay thank you.

Posted By Bepc61 in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Muy serios y muy oportunos para el envo

Posted By Veronica 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 -> 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

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 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

Overall Rating -> 10 star ratings

love these guys been ordering since 2000 maybe

Posted By JHT in April, 2025
Source: Bizrate

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 -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Always excellent quality and service from GemSelect

Posted By Mike B. in September, 2024
Source: Bizrate

Overall Rating -> 7 star ratings

Okay thank you.

Posted By Bepc61 in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Muy serios y muy oportunos para el envo

Posted By Veronica 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