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

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ID: 722696
Weight: 5.47ct
Size: 19.8 x 9.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 45.95
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ID: 466003
Weight: 6.55ct
Size: 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.97
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ID: 461262
Weight: 3.61ct
Size: 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 33.36
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ID: 646969
Weight: 0.90ct
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 32.40
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ID: 539890
Weight: 3.38ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.30
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ID: 569249
Weight: 0.88ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.14
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ID: 678317
Weight: 6.88ct
Size: 19.1 x 12.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 8.51
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ID: 543965
Weight: 2.13ct
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 42.85
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ID: 591705
Weight: 7.33ct
Size: 15.7 x 10 mm
Clarity: Opaque
Content: 1 pc
Price: $ 68.99
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ID: 495703
Weight: 1.33ct
Size: 6.7 x 6.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 97.12
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ID: 710848
Weight: 0.54ct
Size: 6 x 4 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 1.44
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ID: 509922
Weight: 0.69ct
Size: 6.2 x 4.2 mm
Clarity: VS
Content: 1 pc
Price: $ 27.32
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ID: 693220
Weight: 5.07ct
Size: 10.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 5.07
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ID: 647254
Weight: 19.10ct
Size: 16.9 x 14.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 45.84
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ID: 472871
Weight: 6.37ct
Size: 12.3 x 9.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.22
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ID: 696128
Weight: 45.29ct
Size: 31 x 28.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 30.98
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ID: 721539
Weight: 0.58ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 10.44
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ID: 721362
Weight: 18.21ct
Size: 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 21.85
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ID: 606862
Weight: 25.48ct (total)
Size: 19.6 x 12.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 39.70
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ID: 719975
Weight: 0.79ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 6.64
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ID: 530296
Weight: 1.66ct
Size: 8.6 x 5.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 144.62
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ID: 725671
Weight: 0.46ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 4.42
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ID: 727341
Weight: 0.57ct
Size: 5 x 4 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 23.94
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ID: 717345
Weight: 1.57ct
Size: 6.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 78.50
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ID: 698584
Weight: 5.86ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 49.22
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ID: 504669
Weight: 2.20ct
Size: 7.7 x 7.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 15.52
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ID: 394903
Weight: 4.60ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 30.36
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ID: 472729
Weight: 5.69ct
Size: 20.2 x 13.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.94
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ID: 546341
Weight: 1.42ct (total)
Size: 7.2 x 5.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 11.24
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ID: 387249
Weight: 4.73ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 37.46
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ID: 478540
Weight: 0.64ct
Size: 7 x 4.3 mm
Clarity: VS
Content: 1 pc
Price: $ 27.07
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ID: 673099
Weight: 1.35ct
Size: 8 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 32.40
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ID: 456856
Weight: 3.48ct
Size: 11.5 x 7.5 mm
Clarity: VS
Price: $ 18.37
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ID: 669205
Weight: 12.45ct
Size: 18 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 268.92
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ID: 662709
Weight: 1.77ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 14.87
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ID: 724705
Weight: 0.18ct
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 25.20
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ID: 380212
Weight: 2.01ct
Size: 8 x 7.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 129.89
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ID: 662981
Weight: 3.89ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 9.34
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ID: 686140
Weight: 0.15ct
Size: 5 x 3 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 7.20
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ID: 645651
Weight: 21.44ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.86
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ID: 463002
Weight: 4.84ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 38.33
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ID: 675402
Weight: 3.10ct
Size: 12.4 x 9.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 120.26
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ID: 714935
Weight: 1.34ct
Size: 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 3.47
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ID: 555865
Weight: 0.69ct
Size: 6.5 x 4.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 18.22
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ID: 668449
Weight: 15.04ct
Size: 20.4 x 10.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 90.24
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ID: 715348
Weight: 26.47ct
Size: 20 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 254.11
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ID: 542533
Weight: 0.67ct
Size: 6.1 x 5 mm
Clarity: VS
Content: 1 pc
Price: $ 29.88
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ID: 493536
Weight: 4.65ct
Size: 12.1 x 8.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 30.70
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ID: 454722
Weight: 11.78ct
Size: 19 x 13.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 19.75
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ID: 683362
Weight: 4.57ct
Size: 10.9 x 9.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.34
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ID: 460542
Weight: 4.18ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 55.18
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ID: 601886
Weight: 16.59ct (total)
Size: 20.1 x 13.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 88.26
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ID: 518679
Weight: 33.60ct
Size: 24.5 x 17.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.47
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ID: 694759
Weight: 2.20ct
Size: 7.3 x 5.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 66.00
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ID: 733139
Weight: 3.41ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.82
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ID: 715021
Weight: 9.31ct (total)
Size: 10 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 24.13
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ID: 328598
Weight: 12.31ct
Size: 15.1 x 13.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.50
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ID: 695476
Weight: 1.76ct
Size: 7.7 x 6.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 52.80
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ID: 700554
Weight: 34.04ct
Size: 33.5 x 20.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 28.60
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ID: 623819
Weight: 0.72ct
Size: 5 x 5 mm (calibrated)
Clarity: Transparent
Price: $ 7.61
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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

I love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.

Posted By Bryan De David in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.

Posted By Desertchick in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga in May, 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

Great site always looking for great deals and find them on this site

Posted By IRO5812 in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

This is a wonderful website

Posted By Bryan Diaz in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring

Posted By Desertchick in April, 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

I love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.

Posted By Bryan De David in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.

Posted By Desertchick in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga in May, 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

Great site always looking for great deals and find them on this site

Posted By IRO5812 in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

This is a wonderful website

Posted By Bryan Diaz in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring

Posted By Desertchick in April, 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