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

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ID: 431803
Weight: 2.18ct
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 51.79
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ID: 544430
Weight: 0.84ct
Size: 6.3 x 4.8 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 44.35
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ID: 704523
Weight: 1.54ct
Size: 9.1 x 7.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 38.50
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ID: 392809
Weight: 6.84ct
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 45.14
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ID: 686298
Weight: 0.23ct
Size: 3.6 x 3.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.18
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ID: 689588
Weight: 0.81ct
Size: 9.1 x 4.9 mm
Clarity: VS
Content: 1 pc
Price: $ 7.78
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ID: 474831
Weight: 24.67ct (total)
Size: 18.9 x 11.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 58.62
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ID: 708438
Weight: 1.63ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 33.66
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ID: 681876
Weight: 18.58ct
Size: 25 x 13.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 178.37
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ID: 408185
Weight: 10.54ct
Size: 13 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 24.91
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ID: 384116
Weight: 16.23ct
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 32.12
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ID: 460483
Weight: 3.28ct
Size: 13 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 30.31
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ID: 635850
Weight: 1.70ct
Size: 8.5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 44.88
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ID: 536193
Weight: 1.57ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Price: $ 12.43
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ID: 534723
Weight: 2.53ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 20.04
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ID: 687426
Weight: 3.64ct (total)
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 10.66
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ID: 597762
Weight: 4.63ct
Size: 16.6 x 7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 61.12
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ID: 498851
Weight: 0.93ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 32.04
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ID: 525283
Weight: 1.57ct
Size: 7.5 x 6.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 290.14
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ID: 570398
Weight: 2.08ct
Size: 7 x 7 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 49.42
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ID: 662980
Weight: 4.76ct
Size: 12.4 x 10.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.42
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ID: 650724
Weight: 1.72ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 14.45
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ID: 593188
Weight: 1.30ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.02
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ID: 325979
Weight: 2.64ct
Size: 9 x 8 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 9.41
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ID: 708633
Weight: 4.14ct
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 125.39
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ID: 600432
Weight: 50.10ct
Size: 32 mm
Clarity: Opaque
Content: 1 pc
Price: $ 37.70
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ID: 733149
Weight: 3.48ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 26.20
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ID: 712749
Weight: 2.14ct
Size: 8.6 x 7.2 mm
Clarity: VS
Content: 1 pc
Price: $ 51.36
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ID: 358453
Weight: 3.91ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 25.81
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ID: 678121
Weight: 0.17ct
Size: 2.5 x 2.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 102.00
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ID: 479068
Weight: 2.48ct (total)
Size: 10 x 5.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 26.18
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ID: 656059
Weight: 3.14ct
Size: 16 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 26.38
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ID: 534150
Weight: 1.68ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 15.53
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ID: 586419
Weight: 1.52ct
Size: 7.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 100.32
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ID: 668882
Weight: 5.64ct
Size: 11.6 x 8.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 6.77
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ID: 545247
Weight: 2.66ct
Size: 9.9 x 6.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 242.27
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ID: 408111
Weight: 7.61ct
Size: 12 x 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 17.98
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ID: 669509
Weight: 7.49ct
Size: 14.8 x 13.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.48
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ID: 518688
Weight: 23.36ct
Size: 20.2 x 16 mm
Clarity: Opaque
Content: 1 pc
Price: $ 27.44
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ID: 680687
Weight: 1.07ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 32.10
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ID: 721859
Weight: 31.44ct
Size: 23.1 x 20.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 37.73
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ID: 727081
Weight: 0.85ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.30
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ID: 480077
Weight: 6.20ct (total)
Size: 5.7 x 5.7 mm
Clarity: Translucent
Content: 10 pcs
Price: $ 13.09
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ID: 558496
Weight: 7.09ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 53.63
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ID: 635156
Weight: 2.84ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 74.98
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ID: 653421
Weight: 8.03ct
Size: 20.5 x 10.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 24.96
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ID: 417592
Weight: 2.29ct (total)
Size: 4.5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 93.71
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ID: 701232
Weight: 1.05ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 37.80
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ID: 598630
Weight: 1.49ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 29.51
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ID: 650873
Weight: 3.47ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 22.07
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ID: 599856
Weight: 20.58ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 15.48
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ID: 728189
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
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ID: 708321
Weight: 8.27ct
Size: 15.8 x 12.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 59.54
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ID: 672481
Weight: 15.68ct
Size: 26.2 x 12.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 15.68
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ID: 693759
Weight: 60.24ct
Size: 35.3 x 24.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.93
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ID: 724925
Weight: 0.62ct
Size: 14.6 x 2.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 26.04
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ID: 637197
Weight: 0.71ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 37.49
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ID: 681912
Weight: 0.67ct
Size: 6.7 x 4.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 12.06
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ID: 724299
Weight: 2.72ct (total)
Size: 7 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 26.11
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ID: 719017
Weight: 0.62ct
Size: 5.1 x 4.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 11.16
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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

So far, my experience was great...Thanks

Posted By Kaydi in May, 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 -> 10 star ratings

Good. I ts very user friendly.

Posted By Shalini in June, 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

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

I like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.

Posted By Nate in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Love the ease of access. Easy to find what you are looking for, and fair pricing.

Posted By NickBehnke in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love browsing the site and everything is easy to find. There is just so much I get lost for hours. Sometimes I wish there were videos of some gems, but other than that I love shopping with GemSelect and I have referred the site to many people many times. I work in the jewelry industry myself and I love to show off what Ive had made with my gems from GemSelect! Thank you

Posted By Antennaesglow 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

So far, my experience was great...Thanks

Posted By Kaydi in May, 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 -> 10 star ratings

Good. I ts very user friendly.

Posted By Shalini in June, 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

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

I like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.

Posted By Nate in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Love the ease of access. Easy to find what you are looking for, and fair pricing.

Posted By NickBehnke in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love browsing the site and everything is easy to find. There is just so much I get lost for hours. Sometimes I wish there were videos of some gems, but other than that I love shopping with GemSelect and I have referred the site to many people many times. I work in the jewelry industry myself and I love to show off what Ive had made with my gems from GemSelect! Thank you

Posted By Antennaesglow 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