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

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ID: 692512
Weight: 25.46ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 213.86
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ID: 528265
Weight: 4.09ct
Size: 13 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 29.58
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ID: 684385
Weight: 1.21ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 11.62
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ID: 732838
Weight: 0.47ct
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 19.74
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ID: 435152
Weight: 72.98ct
Size: 43.6 x 28.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 144.50
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ID: 692379
Weight: 14.89ct
Size: 16 x 16 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 14.29
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ID: 600567
Weight: 3.27ct
Size: 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 12.95
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ID: 677917
Weight: 3.81ct
Size: 10 x 8.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 32.00
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ID: 656157
Weight: 1.45ct
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.80
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ID: 696051
Weight: 0.62ct
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 22.32
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ID: 710767
Weight: 1.39ct
Size: 10 x 5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 3.71
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ID: 737123
Weight: 33.09ct
Size: 40.1 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 3.31
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ID: 376281
Weight: 4.00ct (total)
Size: 6.7 x 6.6 mm
Clarity: VVS-VS
Content: 4 pcs
Price: $ 36.96
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ID: 588568
Weight: 6.74ct
Size: 14.9 x 11 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 26.69
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ID: 537742
Weight: 1.19ct
Size: 9.8 x 4.3 mm
Clarity: SI
Content: 1 pc
Price: $ 108.38
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ID: 662093
Weight: 3.87ct
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 9.34
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ID: 636579
Weight: 6.35ct
Size: 15.1 x 11.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.24
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ID: 567283
Weight: 7.00ct
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 21.16
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ID: 713906
Weight: 19.45ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 163.38
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ID: 482195
Weight: 26.68ct (total)
Size: 21.8 x 13.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 34.52
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ID: 502123
Weight: 1.59ct
Size: 14.4 x 3.9 mm
Clarity: VS
Content: 1 pc
Price: $ 52.48
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ID: 517605
Weight: 0.83ct
Size: 5.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 32.87
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ID: 658537
Weight: 4.42ct
Size: 25 x 7.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.91
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ID: 450663
Weight: 7.11ct
Size: 14.8 x 11.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 65.70
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ID: 413503
Weight: 6.42ct
Size: 11 x 11 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 21.19
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ID: 453936
Weight: 1.15ct
Size: 10.7 x 4.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 48.58
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ID: 693509
Weight: 1.98ct
Size: 7.2 x 5.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 65.65
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ID: 574897
Weight: 2.44ct
Size: 10 x 7 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 58.56
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ID: 315325
Weight: 1.54ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 85.38
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ID: 694824
Weight: 27.18ct
Size: 32.5 x 19.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.00
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ID: 557205
Weight: 2.07ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 17.32
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ID: 559190
Weight: 1.96ct
Size: 7.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 7.44
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ID: 409132
Weight: 8.55ct
Size: 15 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 264.50
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ID: 720044
Weight: 6.49ct
Size: 14 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 194.70
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ID: 693319
Weight: 0.90ct
Size: 8.2 x 3.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 54.00
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ID: 376856
Weight: 8.53ct (total)
Size: 8.1 x 7 mm
Clarity: Transparent
Content: 4 pcs
Price: $ 60.29
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ID: 736700
Weight: 1.02ct
Size: 7.9 x 6.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 7.14
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ID: 655157
Weight: 0.84ct
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 7.06
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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: 664598
Weight: 1.15ct
Size: 7.9 x 5.6 mm
Clarity: VS
Content: 1 pc
Price: $ 12.42
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ID: 453863
Weight: 2.65ct
Size: 10 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 24.49
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ID: 720356
Weight: 0.93ct
Size: 6.7 x 4.9 mm
Clarity: VS
Content: 1 pc
Price: $ 89.52
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ID: 467881
Weight: 5.69ct (total)
Size: 3 mm (calibrated)
Clarity: Transparent
Content: 30 pcs
Price: $ 37.56
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ID: 484930
Weight: 31.95ct
Size: 19 x 16.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 17.57
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ID: 371745
Weight: 4.80ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 5 pcs
Price: $ 31.68
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ID: 482530
Weight: 49.70ct
Size: 32.6 x 24.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.08
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ID: 600423
Weight: 6.12ct
Size: 14 x 10.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 27.40
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ID: 701112
Weight: 29.85ct
Size: 31.4 x 18.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 16.12
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ID: 683636
Weight: 7.00ct
Size: 16.4 x 11.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 64.85
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ID: 485366
Weight: 5.21ct
Size: 14 x 14 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 13.75
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ID: 649037
Weight: 2.17ct
Size: 10 x 8.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.47
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ID: 475782
Weight: 4.66ct
Size: 15 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 43.06
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ID: 467274
Weight: 1.72ct
Size: 11.4 x 7.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 90.82
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ID: 393890
Weight: 0.78ct
Size: 5.3 x 5.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.82
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ID: 474875
Weight: 4.17ct
Size: 19.3 x 12.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.57
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ID: 639993
Weight: 5.08ct
Size: 11.5 x 8.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 25.18
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ID: 454934
Weight: 2.32ct
Size: 11.7 x 6.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 21.43
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ID: 478830
Weight: 0.47ct
Size: 7.2 x 4.2 mm
Clarity: VS
Content: 1 pc
Price: $ 34.13
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ID: 692363
Weight: 34.52ct
Size: 27.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.06
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ID: 624232
Weight: 0.89ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 64.62
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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 easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very professional site

Posted By JR in January, 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

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

I like the way your website shows us what stone were buying as well the easy way to navigate the site. also knowing the stones are real...

Posted By RED in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Had no difficulty with the website. The only difficulty I had today was making the choice of what I wanted to purchase. There are just so many delicious stones to choose from!!

Posted By Desertchick in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I was looking for

Posted By Lincolnpremier in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Loved everything. High quality, quick shipping, and authentication included.

Posted By Chris in March, 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

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 easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very professional site

Posted By JR in January, 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

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

I like the way your website shows us what stone were buying as well the easy way to navigate the site. also knowing the stones are real...

Posted By RED in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Had no difficulty with the website. The only difficulty I had today was making the choice of what I wanted to purchase. There are just so many delicious stones to choose from!!

Posted By Desertchick in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I was looking for

Posted By Lincolnpremier in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Loved everything. High quality, quick shipping, and authentication included.

Posted By Chris in March, 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

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