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

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ID: 648266
Weight: 1.00ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 26.40
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ID: 367010
Weight: 7.86ct
Size: 14.6 x 9.5 mm
Clarity: VS
Content: 1 pc
Price: $ 53.44
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ID: 297884
Weight: 3.37ct (total)
Size: 3 x 3 mm (calibrated)
Clarity: Transparent/Translucent
Content: 20 pcs
Price: $ 115.66
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ID: 618036
Weight: 32.04ct
Size: 30 x 20.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.06
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ID: 695446
Weight: 32.51ct
Size: 34.9 x 19.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.94
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ID: 678329
Weight: 3.46ct
Size: 8.9 x 8.4 mm
Clarity: VS
Content: 1 pc
Price: $ 124.56
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ID: 547638
Weight: 2.04ct
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 41.33
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ID: 705186
Weight: 2.77ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 2.56
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ID: 573468
Weight: 3.20ct (total)
Size: 12 x 5.9 mm
Clarity: VVS
Content: 2 pcs
Price: $ 33.79
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ID: 698528
Weight: 2.85ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.94
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ID: 486197
Weight: 6.03ct
Size: 14.4 x 11 mm
Clarity: Translucent
Content: 1 pc
Price: $ 50.65
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ID: 710441
Weight: 0.86ct
Size: 5.8 x 4.8 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 15.41
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ID: 706772
Weight: 1.12ct
Size: 10 x 5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 2.69
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ID: 430731
Weight: 1.86ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 61.38
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ID: 707162
Weight: 5.20ct (total)
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 12.48
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ID: 708043
Weight: 4.99ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 4.79
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ID: 416200
Weight: 0.96ct
Size: 15.2 x 2.7 mm
Clarity: VS
Content: 1 pc
Price: $ 30.41
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ID: 658615
Weight: 11.12ct
Size: 20.2 x 14.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.82
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ID: 532326
Weight: 5.47ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 43.32
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ID: 376787
Weight: 10.32ct (total)
Size: 8.8 x 7.7 mm
Clarity: Transparent
Content: 4 pcs
Price: $ 95.35
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ID: 605816
Weight: 21.87ct (total)
Size: 20.7 x 11.9 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 34.07
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ID: 453165
Weight: 1.68ct
Size: 9 x 6.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 110.88
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ID: 512015
Weight: 27.96ct
Size: 26.5 x 18.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 26.84
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ID: 414406
Weight: 13.83ct
Size: 15 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 365.11
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ID: 627961
Weight: 12.38ct
Size: 25 x 18 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 74.28
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ID: 394739
Weight: 1.70ct
Size: 9.5 x 4.8 mm
Clarity: VS
Content: 1 pc
Price: $ 83.57
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ID: 341161
Weight: 1.52ct (total)
Size: 4.8 x 4.7 mm
Clarity: Transparent
Content: 5 pcs
Price: $ 34.10
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ID: 546476
Weight: 1.49ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 11.80
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ID: 673295
Weight: 1.14ct
Size: 7.2 x 5.2 mm
Clarity: SI
Content: 1 pc
Price: $ 27.36
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ID: 730360
Weight: 0.32ct
Size: 5 x 3 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 15.36
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ID: 681803
Weight: 13.11ct
Size: 21.4 x 15.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 125.86
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ID: 458622
Weight: 4.85ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 44.82
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ID: 516566
Weight: 1.28ct
Size: 7.1 x 6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 25.34
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ID: 518305
Weight: 33.91ct
Size: 21.5 x 13.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.84
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ID: 719347
Weight: 2.29ct
Size: 9.5 x 6.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 68.70
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ID: 472335
Weight: 13.38ct
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 123.64
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ID: 456505
Weight: 2.76ct
Size: 9.5 x 7.8 mm
Clarity: VS
Content: 1 pc
Price: $ 25.50
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ID: 552242
Weight: 2.78ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 25.69
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ID: 513195
Weight: 0.95ct
Size: 6.1 x 5.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 68.98
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ID: 710348
Weight: 2.86ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 24.02
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ID: 718309
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.80
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ID: 440420
Weight: 0.86ct
Size: 6 x 4.8 mm
Clarity: VS
Content: 1 pc
Price: $ 31.79
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ID: 693035
Weight: 24.21ct
Size: 35.7 x 9.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 8.71
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ID: 349569
Weight: 1.61ct
Size: 16.9 x 3.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 46.75
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ID: 418314
Weight: 7.00ct
Size: 14.8 x 10.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 13.86
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ID: 458342
Weight: 1.70ct (total)
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 224.40
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ID: 650203
Weight: 10.04ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.10
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ID: 722383
Weight: 4.75ct
Size: 17.4 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.10
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ID: 379180
Weight: 1.67ct (total)
Size: 8 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 100.02
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ID: 453794
Weight: 2.44ct
Size: 10.7 x 7.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 22.55
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ID: 723886
Weight: 72.25ct
Size: 24.9 x 22.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 85.84
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ID: 634234
Weight: 13.88ct (total)
Size: 16.8 x 12.9 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 63.13
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ID: 377591
Weight: 27.19ct (total)
Size: 18.2 x 11.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 179.46
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ID: 497952
Weight: 23.96ct
Size: 19 x 14.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.57
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ID: 529577
Weight: 7.04ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 27.88
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ID: 606516
Weight: 1.79ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 4.73
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ID: 601364
Weight: 3.96ct (total)
Size: 12 x 5.8 mm
Clarity: VVS
Content: 2 pcs
Price: $ 26.14
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ID: 697116
Weight: 2.63ct
Size: 14 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 79.69
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ID: 691218
Weight: 0.50ct
Size: 4.6 x 3.8 mm
Clarity: VS
Content: 1 pc
Price: $ 42.00
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ID: 682800
Weight: 11.42ct
Size: 16.8 x 12.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 68.52
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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 -> 9 star ratings

Site is easy to navigate - details on cut, polish, and finish work and techniques were helpful. 3d view or wireframe diagram of stones would be nice.

Posted By Tb in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson 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 -> 9 star ratings

I love the gems!

Posted By MM in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I enjoy doing buisness with GemSelect. It is always a pleasure and you get what you ordered!

Posted By Ballpark in December, 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

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

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 -> 9 star ratings

Site is easy to navigate - details on cut, polish, and finish work and techniques were helpful. 3d view or wireframe diagram of stones would be nice.

Posted By Tb in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson 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 -> 9 star ratings

I love the gems!

Posted By MM in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I enjoy doing buisness with GemSelect. It is always a pleasure and you get what you ordered!

Posted By Ballpark in December, 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

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

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