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

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ID: 640374
Weight: 1.25ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.00
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ID: 694199
Weight: 18.92ct
Size: 24.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 56.76
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ID: 718991
Weight: 0.65ct
Size: 5.2 x 4.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 11.70
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ID: 688308
Weight: 0.60ct
Size: 5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 1.75
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ID: 656677
Weight: 0.80ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 13.44
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ID: 668215
Weight: avg. 0.04 ct / each
Size: 2 mm (calibrated)
Clarity: Opaque
Price: $ 16.85
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ID: 685692
Weight: 0.83ct
Size: 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 15.28
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ID: 515435
Weight: 31.70ct
Size: 35.1 x 22 mm
Clarity: Opaque
Content: 1 pc
Price: $ 53.26
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ID: 352431
Weight: 8.06ct
Size: 19.2 x 9.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 74.47
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ID: 697416
Weight: 19.10ct
Size: 26.2 x 12.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.07
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ID: 626291
Weight: 0.75ct
Size: 5.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 15.17
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ID: 493339
Weight: 8.54ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.29
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ID: 430955
Weight: 6.15ct
Size: 13.4 x 10.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 16.00
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ID: 557198
Weight: 3.24ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 27.11
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ID: 435743
Weight: 7.58ct
Size: 14 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 24.82
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ID: 431650
Weight: 1.38ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 14.56
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ID: 664887
Weight: 0.76ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 8.21
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ID: 592760
Weight: 1.43ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.42
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ID: 712894
Weight: 4.32ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 62.21
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ID: 724144
Weight: 1.73ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 16.61
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ID: 407802
Weight: 11.60ct
Size: 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 30.62
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ID: 721882
Weight: 15.45ct
Size: 17.8 x 15.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.54
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ID: 401529
Weight: 27.10ct
Size: 22.2 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 48.78
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ID: 687135
Weight: 24.06ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.87
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ID: 700714
Weight: 0.73ct
Size: 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 43.80
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ID: 734698
Weight: 31.31ct
Size: 22.3 x 17.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 300.58
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ID: 460993
Weight: 7.29ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 67.36
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ID: 698547
Weight: 0.85ct
Size: 5.6 x 5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 5.10
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ID: 706461
Weight: 25.06ct
Size: 20.1 x 17.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 51.12
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ID: 478378
Weight: 0.82ct
Size: 8.4 x 4.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.68
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ID: 498095
Weight: 25.17ct (total)
Size: 20 x 13.3 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 28.80
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ID: 650201
Weight: 10.95ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.75
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ID: 657087
Weight: 4.05ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 23.04
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ID: 687092
Weight: 9.27ct (total)
Size: 24.3 x 11.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 27.36
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ID: 727954
Weight: 1.22ct
Size: 6.6 x 5.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 7.32
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ID: 462258
Weight: 3.25ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 21.46
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ID: 692666
Weight: 34.70ct
Size: 33.6 x 24.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.15
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ID: 426923
Weight: 8.89ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 41.08
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ID: 726839
Weight: 1.56ct
Size: 10.5 x 4.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 93.60
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ID: 562672
Weight: 3.70ct
Size: 11.2 x 8.3 mm
Clarity: SI
Content: 1 pc
Price: $ 195.36
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ID: 713703
Weight: 15.03ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 126.25
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ID: 617896
Weight: 13.16ct
Size: 17 x 17 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 86.86
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ID: 492541
Weight: 8.15ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 58.96
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ID: 688650
Weight: 2.04ct
Size: 10 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 61.20
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ID: 700387
Weight: 0.75ct
Size: 5.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 45.00
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ID: 467815
Weight: 7.00ct
Size: 15.4 x 7.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 1,663.20
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ID: 727481
Weight: 0.60ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 10.80
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ID: 680682
Weight: 1.10ct
Size: 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 33.00
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ID: 517052
Weight: 14.12ct
Size: 23.8 x 10.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 16.60
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ID: 597460
Weight: 2.09ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 137.94
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ID: 734735
Weight: 3.56ct
Size: 10.1 x 7.5 mm
Clarity: VS
Content: 1 pc
Price: $ 149.52
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ID: 541134
Weight: 7.12ct
Size: 11.5 x 11.4 mm
Clarity: VVS
Price: $ 10.63
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ID: 546886
Weight: 2.97ct
Size: 8.8 x 8.5 mm
Clarity: VS
Content: 1 pc
Price: $ 23.52
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ID: 551885
Weight: 0.96ct
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 3.61
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ID: 349690
Weight: 1.83ct
Size: 20.9 x 3.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 53.15
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ID: 718266
Weight: 1.05ct
Size: 6 x 4.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 31.50
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ID: 679951
Weight: 54.55ct
Size: 30 x 22 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 523.68
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ID: 382941
Weight: 13.30ct
Size: 22.7 x 12.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 52.67
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ID: 710315
Weight: 5.37ct
Size: 13 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 15.66
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ID: 540927
Weight: 3.52ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 23.23
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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

went well

Posted By Doug in May, 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 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

Overall Rating -> 10 star ratings

I really liked the email, and the link that help return me to the site. I didnt have access to my card info while checking out and I had to put my phone away so I lost the tab. Fortunately, since I did give an email- they sent me a link that brought me back to where I was. Greatly appreciated

Posted By Jag in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Always excellent quality and service from GemSelect

Posted By Mike B. 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

love these guys been ordering since 2000 maybe

Posted By JHT in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good products

Posted By Brave in October, 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

went well

Posted By Doug in May, 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 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

Overall Rating -> 10 star ratings

I really liked the email, and the link that help return me to the site. I didnt have access to my card info while checking out and I had to put my phone away so I lost the tab. Fortunately, since I did give an email- they sent me a link that brought me back to where I was. Greatly appreciated

Posted By Jag in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Always excellent quality and service from GemSelect

Posted By Mike B. 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

love these guys been ordering since 2000 maybe

Posted By JHT in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good products

Posted By Brave in October, 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