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

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ID: 521722
Weight: 2.40ct
Size: 8.4 x 7.4 mm
Clarity: VS
Content: 1 pc
Price: $ 285.12
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ID: 434938
Weight: 54.00ct
Size: 39.1 x 28 mm
Clarity: Opaque
Content: 1 pc
Price: $ 106.92
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ID: 411719
Weight: 4.11ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 189.89
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ID: 431594
Weight: 1.50ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 15.82
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ID: 721945
Weight: 1.08ct (total)
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 19.44
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ID: 368087
Weight: 3.67ct (total)
Size: 7.5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 24.02
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ID: 612069
Weight: 12.11ct
Size: 16 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 47.95
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ID: 638185
Weight: 1.32ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 31.68
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ID: 528807
Weight: 1.88ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 163.79
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ID: 697646
Weight: 18.92ct
Size: 27.1 x 13 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.94
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ID: 566569
Weight: 1.10ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 7.26
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ID: 692964
Weight: 28.80ct
Size: 34.1 x 10.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.37
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ID: 455379
Weight: 1.90ct
Size: 9.8 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 17.56
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ID: 393960
Weight: 42.91ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 41.20
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ID: 714421
Weight: 0.38ct
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 20.52
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ID: 701916
Weight: 9.72ct
Size: 21.1 x 6.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 58.32
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ID: 594890
Weight: 17.04ct
Size: 17 x 17 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 224.93
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ID: 694436
Weight: 12.80ct (total)
Size: 15.2 x 9.3 mm
Clarity: VVS
Content: 2 pcs
Price: $ 107.52
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ID: 715434
Weight: 3.97ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.11
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ID: 680945
Weight: 3.07ct
Size: 11.2 x 7.2 mm
Clarity: SI
Content: 1 pc
Price: $ 92.10
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ID: 475876
Weight: 4.52ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.76
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ID: 660194
Weight: 14.35ct (total)
Size: 14.4 x 10.6 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 17.22
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ID: 664611
Weight: 2.47ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 53.35
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ID: 691926
Weight: 0.67ct
Size: 5.3 x 4.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 56.28
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ID: 594574
Weight: 1.25ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 24.95
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ID: 482164
Weight: 2.19ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 15.79
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ID: 692690
Weight: 37.66ct
Size: 30.8 x 23.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.60
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ID: 411458
Weight: 2.08ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 61.98
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ID: 383707
Weight: 1.40ct
Size: 21.9 x 3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 32.09
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ID: 527535
Weight: 9.22ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 66.70
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ID: 548057
Weight: 5.59ct
Size: 12.2 x 10.8 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 184.47
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ID: 479292
Weight: 2.37ct (total)
Size: 10.1 x 5.1 mm
Clarity: VS
Content: 2 pcs
Price: $ 25.03
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ID: 486186
Weight: 2.82ct
Size: 9.5 x 7.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 26.05
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ID: 698896
Weight: 3.18ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 26.71
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ID: 719496
Weight: 0.76ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 6.38
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ID: 662710
Weight: 1.98ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 16.63
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ID: 428544
Weight: 3.53ct
Size: 12.3 x 8.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 27.96
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ID: 546901
Weight: 1.19ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.42
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ID: 639553
Weight: 3.49ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 29.32
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ID: 732494
Weight: 0.48ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 4.03
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ID: 725586
Weight: 1.45ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 13.92
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ID: 519516
Weight: 2.20ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 20.33
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ID: 626636
Weight: 11.28ct
Size: 23.9 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 59.11
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ID: 691904
Weight: 0.26ct
Size: 4.6 x 3.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.91
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ID: 720233
Weight: 1.40ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 100.80
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ID: 707129
Weight: 2.37ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.69
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ID: 694862
Weight: 7.05ct
Size: 17.4 x 6.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 211.50
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ID: 724956
Weight: 1.71ct
Size: 8 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 71.82
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ID: 669209
Weight: 10.04ct
Size: 18 x 11.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 216.86
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ID: 428074
Weight: 6.74ct
Size: 15.7 x 10.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 53.38
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ID: 570388
Weight: 1.62ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 38.50
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ID: 672182
Weight: 0.99ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.76
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ID: 560579
Weight: 4.49ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.48
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ID: 685906
Weight: 29.91ct
Size: 31.3 x 20.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 16.15
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ID: 567688
Weight: 1.46ct
Size: 6.3 x 6.2 mm
Clarity: VS
Content: 1 pc
Price: $ 32.76
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ID: 467971
Weight: 5.33ct (total)
Size: 3.2 mm
Clarity: Transparent
Content: 30 pcs
Price: $ 35.18
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ID: 610303
Weight: 11.08ct (total)
Size: 22 x 8.8 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 14.63
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ID: 682128
Weight: 15.56ct
Size: 31.3 x 12.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 149.38
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ID: 485599
Weight: 21.95ct (total)
Size: 13 x 13 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 28.98
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ID: 606436
Weight: 7.23ct
Size: 17 x 11.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 95.44
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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

It was very good and concise.

Posted By Whydothey in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones. .

Posted By Steven M. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good. I ts very user friendly.

Posted By Shalini in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Nice website I just don't know much about the quality until I receive the stone.

Posted By Becky in December, 2024
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

This was a great time as always. The only problem I had was deciding between all the beautiful and affordable stones that met my requirements. I love shopping for sapphires!

Posted By Phoenix in August, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 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

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

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

It was very good and concise.

Posted By Whydothey in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones. .

Posted By Steven M. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good. I ts very user friendly.

Posted By Shalini in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Nice website I just don't know much about the quality until I receive the stone.

Posted By Becky in December, 2024
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

This was a great time as always. The only problem I had was deciding between all the beautiful and affordable stones that met my requirements. I love shopping for sapphires!

Posted By Phoenix in August, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 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

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

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