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

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ID: 359621
Weight: 23.78ct
Size: 22.2 x 16 mm
Clarity: Opaque
Content: 1 pc
Price: $ 62.78
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ID: 409446
Weight: 12.52ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 59.66
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ID: 556852
Weight: 2.97ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 24.85
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ID: 479930
Weight: 3.93ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 36.31
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ID: 455351
Weight: 23.84ct (total)
Size: 17.1 x 11.1 mm
Clarity: Transparent
Content: 4 pcs
Price: $ 39.97
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ID: 398859
Weight: 6.81ct (total)
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 62.93
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ID: 450965
Weight: 1.78ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 16.45
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ID: 688297
Weight: 0.71ct
Size: 5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 2.08
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ID: 545062
Weight: 1.59ct (total)
Size: 6.3 x 4.2 mm
Clarity: SI-I1
Content: 2 pcs
Price: $ 41.98
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ID: 632710
Weight: 2.80ct
Size: 18 x 7 mm
Clarity: VVS
Content: 1 pc
Price: $ 20.16
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ID: 672916
Weight: 10.29ct (total)
Size: 15.5 x 11.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 29.02
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ID: 371107
Weight: 26.64ct (total)
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 35.16
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ID: 455130
Weight: 23.04ct (total)
Size: 21.3 x 12.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 30.41
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ID: 544787
Weight: 2.32ct
Size: 9 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 176.09
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ID: 675198
Weight: 16.51ct
Size: 19.6 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.60
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ID: 450795
Weight: 4.86ct
Size: 12.7 x 10.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 44.90
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ID: 685930
Weight: 1.45ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.69
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ID: 672458
Weight: 2.35ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 56.40
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ID: 490559
Weight: 5.89ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 42.77
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ID: 658555
Weight: 12.01ct
Size: 23.6 x 14.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.58
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ID: 696439
Weight: 72.20ct
Size: 49.2 x 26.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 129.96
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ID: 692967
Weight: 31.47ct
Size: 36.9 x 10.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.33
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ID: 604622
Weight: 1.26ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 11.64
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ID: 526767
Weight: 0.75ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 7.92
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ID: 706913
Weight: 2.40ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.76
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ID: 594086
Weight: 1.41ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 28.14
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ID: 470957
Weight: 2.35ct
Size: 9 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 21.72
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ID: 693549
Weight: 98.41ct
Size: 50.7 x 29.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 59.05
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ID: 367026
Weight: 7.78ct
Size: 14.1 x 9.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 52.90
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ID: 655868
Weight: 7.30ct
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.39
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ID: 463351
Weight: 4.66ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 36.91
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ID: 735126
Weight: 0.78ct
Size: 6.4 x 5.7 mm
Clarity: SI
Content: 1 pc
Price: $ 46.80
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ID: 286635
Weight: 3.36ct (total)
Size: 7.7 x 5 mm
Clarity: VVS-VS
Content: 5 pcs
Price: $ 23.28
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ID: 413699
Weight: 11.13ct
Size: 14 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 367.30
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ID: 711727
Weight: 32.84ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 59.11
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ID: 475220
Weight: 1.79ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 16.54
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ID: 366565
Weight: 1.15ct
Size: 7.7 x 6.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 146.80
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ID: 431211
Weight: 2.96ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 31.22
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ID: 720549
Weight: 0.80ct
Size: 5.9 x 4.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 77.00
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ID: 737678
Weight: 27.31ct
Size: 33.8 x 10.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 2.73
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ID: 320775
Weight: 3.11ct (total)
Size: 5.7 x 3.5 mm
Clarity: VS
Content: 7 pcs
Price: $ 67.18
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ID: 554054
Weight: 0.78ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 6.18
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ID: 453822
Weight: 3.17ct
Size: 12 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 29.29
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ID: 711648
Weight: 2.47ct
Size: 12 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.58
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ID: 487389
Weight: 62.15ct
Size: 48.4 x 29 mm
Clarity: Opaque
Content: 1 pc
Price: $ 45.94
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ID: 699113
Weight: 3.02ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.37
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ID: 493813
Weight: 3.62ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 25.96
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ID: 664139
Weight: 1.06ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Price: $ 8.90
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ID: 736583
Weight: 30.71ct
Size: 22.5 x 19.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 43.30
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ID: 719571
Weight: 0.57ct
Size: 5.2 x 4 mm
Clarity: VVS
Content: 1 pc
Price: $ 10.26
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ID: 471059
Weight: 1.63ct
Size: 8.4 x 8.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 15.06
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ID: 668713
Weight: 10.03ct
Size: 23.9 x 9.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 216.65
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ID: 722110
Weight: 0.74ct
Size: 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 35.52
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ID: 668892
Weight: 8.92ct
Size: 16.9 x 10.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 192.67
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ID: 692987
Weight: 29.23ct
Size: 39.9 x 9.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.52
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ID: 722750
Weight: 23.63ct
Size: 27.3 x 15.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 198.49
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ID: 721766
Weight: 0.63ct
Size: 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.24
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ID: 501982
Weight: 1.74ct
Size: 15.9 x 4.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 52.20
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ID: 391487
Weight: 27.99ct
Size: 33.2 x 20.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.95
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ID: 526865
Weight: 0.97ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.96
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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 -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.

Posted By Salvo in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to find what I wanted

Posted By Villian in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Was a good experience.

Posted By Tim in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

very good

Posted By Son Gift in January, 2025
Source: Bizrate

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

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 -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.

Posted By Salvo in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to find what I wanted

Posted By Villian in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Was a good experience.

Posted By Tim in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

very good

Posted By Son Gift in January, 2025
Source: Bizrate

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

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