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

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ID: 595205
Weight: 1.45ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 12.76
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ID: 718116
Weight: 0.02ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 19.20
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ID: 386330
Weight: 6.24ct (total)
Size: 16.8 x 8.3 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 55.52
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ID: 494879
Weight: 4.27ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 30.72
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ID: 481847
Weight: 60.25ct
Size: 49.4 x 18.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 60.44
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ID: 426617
Weight: 20.64ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 95.35
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ID: 626166
Weight: 1.10ct
Size: 7 x 4.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.36
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ID: 698615
Weight: 3.00ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 25.20
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ID: 660297
Weight: 1.62ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 3.91
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ID: 624223
Weight: 47.57ct
Size: 35.1 x 25.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 53.09
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ID: 482159
Weight: 2.17ct
Size: 8.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 15.65
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ID: 534220
Weight: 3.23ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 29.84
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ID: 534778
Weight: 3.49ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 27.64
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ID: 568507
Weight: 3.66ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 35.12
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ID: 362493
Weight: 2.25ct
Size: 23.4 x 3.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 74.26
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ID: 646932
Weight: 0.66ct (total)
Size: 3.8 mm
Clarity: VS
Content: 2 pcs
Price: $ 19.80
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ID: 655864
Weight: 1.65ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 39.60
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ID: 418340
Weight: 9.92ct
Size: 17.6 x 11.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 19.64
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ID: 619132
Weight: 16.30ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 43.03
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ID: 389514
Weight: 3.11ct (total)
Size: 8.1 x 6.9 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 20.53
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ID: 472647
Weight: 30.85ct
Size: 28.5 x 24 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.73
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ID: 599805
Weight: 4.40ct
Size: 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 57.50
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ID: 647642
Weight: 12.36ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 16.32
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ID: 673272
Weight: 26.04ct
Size: 30 x 22 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 31.25
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ID: 688652
Weight: 1.15ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 34.50
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ID: 314938
Weight: 1.53ct
Size: 10.1 x 7.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 84.83
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ID: 556569
Weight: 3.11ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 26.03
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ID: 643791
Weight: 1.25ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 30.00
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ID: 656275
Weight: 1.93ct
Size: 8 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 3.01
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ID: 454762
Weight: 29.27ct (total)
Size: 21.5 x 17.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 35.12
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ID: 542765
Weight: 0.57ct
Size: 6.2 x 4.2 mm
Clarity: VS
Content: 1 pc
Price: $ 25.43
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ID: 737508
Weight: 0.74ct
Size: 5.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 18.50
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ID: 451029
Weight: 1.61ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 14.88
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ID: 556573
Weight: 3.35ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 28.03
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ID: 649913
Weight: 0.94ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 7.90
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ID: 288934
Weight: 5.07ct
Size: 13.3 x 8.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 35.14
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ID: 663067
Weight: 4.68ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.23
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ID: 478136
Weight: 19.43ct
Size: 28.5 x 19.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.60
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ID: 560854
Weight: 1.88ct
Size: 8.5 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 163.79
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ID: 718873
Weight: 0.60ct
Size: 5.2 x 4.1 mm
Clarity: VVS
Price: $ 10.80
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ID: 435376
Weight: 4.28ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 33.90
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ID: 527280
Weight: 0.92ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.50
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ID: 686276
Weight: 5.97ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 7.16
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ID: 696043
Weight: 2.47ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 6.82
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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: 704360
Weight: 0.83ct
Size: 8.5 x 4.4 mm
Clarity: SI
Content: 1 pc
Price: $ 27.28
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ID: 715842
Weight: 4.11ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 39.46
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ID: 690746
Weight: 3.78ct
Size: 14.3 x 11.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 88.76
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ID: 365497
Weight: 1.29ct
Size: 7.1 x 5.9 mm
Clarity: VS
Price: $ 39.40
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ID: 661989
Weight: 1.97ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 16.55
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ID: 387809
Weight: 4.82ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 10 pcs
Price: $ 31.81
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ID: 721638
Weight: 20.47ct
Size: 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 24.56
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ID: 556627
Weight: 1.87ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.66
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ID: 713830
Weight: 20.06ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 168.50
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ID: 578716
Weight: 2.13ct
Size: 9 x 6.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 14.06
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ID: 448643
Weight: 15.27ct
Size: 20.6 x 13 mm
Clarity: Translucent
Content: 1 pc
Price: $ 50.39
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ID: 692912
Weight: 19.16ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 160.94
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ID: 699021
Weight: 3.06ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.70
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ID: 681887
Weight: 10.65ct
Size: 15.1 x 12.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 63.90
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ID: 728224
Weight: 0.04ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.50
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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

It is a good experience, it is easy to view the item, and easy to check out.

Posted By Neo in November, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.

Posted By Salvo in July, 2025
Source: Bizrate

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 -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 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 -> 10 star ratings

Enjoyed shopping.

Posted By Chris 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 -> 9 star ratings

It is a good experience, it is easy to view the item, and easy to check out.

Posted By Neo in November, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.

Posted By Salvo in July, 2025
Source: Bizrate

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 -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 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 -> 10 star ratings

Enjoyed shopping.

Posted By Chris 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