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

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ID: 686043
Weight: 4.05ct
Size: 10.5 x 8.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 4.86
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ID: 478270
Weight: 8.70ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 79.70
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ID: 451562
Weight: 4.76ct (total)
Size: 2.2 mm (calibrated)
Clarity: VS
Content: 100 pcs
Price: $ 209.44
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ID: 376472
Weight: 2.00ct
Size: 7.7 x 6.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 15.55
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ID: 657960
Weight: 15.78ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 18.94
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ID: 573145
Weight: 4.09ct (total)
Size: 12.1 x 6.1 mm
Clarity: VVS
Content: 2 pcs
Price: $ 43.19
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ID: 418551
Weight: 4.93ct
Size: 12 x 8.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 26.03
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ID: 737875
Weight: 0.68ct
Size: 7 x 6.5 mm
Clarity: VS
Content: 1 pc
Price: $ 34.00
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ID: 713719
Weight: 1.05ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 7.35
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ID: 528794
Weight: 1.49ct
Size: 8.5 x 5.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 129.80
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ID: 671643
Weight: 5.58ct
Size: 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 10.04
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ID: 337631
Weight: 6.32ct (total)
Size: 4.5 mm (calibrated)
Clarity: Transparent
Content: 10 pcs
Price: $ 58.39
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ID: 710228
Weight: 5.50ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 46.20
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ID: 459979
Weight: 3.76ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 34.74
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ID: 712226
Weight: 0.95ct
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 18.97
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ID: 541914
Weight: 2.07ct
Size: 9 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 19.13
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ID: 666405
Weight: 2.87ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 58.86
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ID: 721156
Weight: 0.40ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 3.36
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ID: 699733
Weight: 0.27ct
Size: 3.9 x 3.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 16.20
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ID: 687042
Weight: 7.19ct
Size: 14.2 x 10.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 8.63
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ID: 695362
Weight: 4.60ct
Size: 11.1 x 8.6 mm
Clarity: VS
Content: 1 pc
Price: $ 138.00
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ID: 418324
Weight: 7.98ct
Size: 15.3 x 10.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 15.80
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ID: 694811
Weight: 2.12ct
Size: 7.5 x 5.5 mm
Clarity: VS
Content: 1 pc
Price: $ 53.00
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ID: 670939
Weight: 0.73ct
Size: 6 x 4 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 26.28
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ID: 661897
Weight: 1.79ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.04
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ID: 314559
Weight: 1.61ct
Size: 15.2 x 6.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 85.01
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ID: 722791
Weight: 0.57ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 17.10
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ID: 464221
Weight: 4.13ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 38.16
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ID: 497246
Weight: 2.80ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 25.87
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ID: 555603
Weight: 1.21ct
Size: 6.8 x 4.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 31.94
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ID: 492533
Weight: 6.37ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 46.08
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ID: 715514
Weight: 2.83ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 27.17
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ID: 691649
Weight: 25.64ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 24.92
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ID: 350531
Weight: 3.34ct (total)
Size: 3.2 x 3.2 mm
Clarity: Transparent
Content: 20 pcs
Price: $ 76.27
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ID: 678088
Weight: 0.82ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Price: $ 6.89
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ID: 727921
Weight: 3.18ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 7.63
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ID: 464020
Weight: 5.56ct
Size: 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 11.00
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ID: 661819
Weight: 2.40ct
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 57.60
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ID: 664825
Weight: 1.16ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 12.53
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ID: 395405
Weight: 1.11ct
Size: 10.1 x 3.9 mm
Clarity: VS
Content: 1 pc
Price: $ 69.88
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ID: 456628
Weight: 2.41ct
Size: 12.3 x 7.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 22.27
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ID: 695837
Weight: 0.43ct
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 15.48
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ID: 493498
Weight: 3.59ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Translucent
Content: 5 pcs
Price: $ 33.17
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ID: 483815
Weight: 0.76ct
Size: 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 50.16
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ID: 478016
Weight: 1.02ct
Size: 11.2 x 4.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 134.64
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ID: 719610
Weight: 0.79ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 6.64
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ID: 502122
Weight: 6.65ct
Size: 15 x 11.2 mm
Clarity: VS
Content: 1 pc
Price: $ 899.30
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ID: 692632
Weight: 89.63ct
Size: 28.5 x 27.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 37.64
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ID: 475976
Weight: 5.54ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 38.90
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ID: 406990
Weight: 12.01ct
Size: 14 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 44.71
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ID: 715094
Weight: 3.84ct (total)
Size: 7.5 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 9.95
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ID: 479076
Weight: 2.16ct (total)
Size: 10 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 22.81
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ID: 457165
Weight: 7.29ct
Size: 14.1 x 9.8 mm
Clarity: VS
Content: 1 pc
Price: $ 38.50
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ID: 471781
Weight: 12.25ct
Size: 17.7 x 13.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 1,131.90
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ID: 627479
Weight: 1.66ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.52
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ID: 697048
Weight: 46.64ct
Size: 33.6 x 25.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.90
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ID: 617921
Weight: 1.66ct
Size: 7.9 x 6.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 35.29
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ID: 496421
Weight: 2.40ct
Size: 8.8 x 7.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 50.03
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ID: 686092
Weight: 3.47ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 4.16
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ID: 422066
Weight: 4.79ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.35
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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

Great experience shopping and finding what I was looking for, the only improvement I could think of would be allowing to filter more than one size at a time.

Posted By Tlicious04 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

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Loved the lot buy options

Posted By BDG in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

It was my second time so I understand what it is to do

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.

Posted By Desertchick in March, 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

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

Posted By Ibie in February, 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

Great experience shopping and finding what I was looking for, the only improvement I could think of would be allowing to filter more than one size at a time.

Posted By Tlicious04 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

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Loved the lot buy options

Posted By BDG in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

It was my second time so I understand what it is to do

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.

Posted By Desertchick in March, 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

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

Posted By Ibie in February, 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