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

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ID: 574047
Weight: 1.07ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 9.42
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ID: 635659
Weight: 4.25ct
Size: 12.9 x 9.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 29.75
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ID: 692979
Weight: 25.91ct
Size: 33.5 x 9.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.32
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ID: 252119
Weight: 0.51ct
Size: 4.5 x 4.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 63.62
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ID: 347663
Weight: 3.01ct
Size: 22.4 x 4 mm
Clarity: VS
Content: 1 pc
Price: $ 178.80
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ID: 459753
Weight: 7.49ct
Size: 13 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 59.32
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ID: 635495
Weight: 5.96ct
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 50.06
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ID: 506049
Weight: 52.90ct
Size: 27 x 20 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 349.14
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ID: 418034
Weight: 2.80ct (total)
Size: 5.8 x 5.7 mm
Clarity: VS
Content: 2 pcs
Price: $ 73.92
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ID: 462255
Weight: 3.14ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 17.27
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ID: 636399
Weight: 9.04ct
Size: 15 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 26.47
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ID: 650432
Weight: 23.73ct
Size: 28.2 x 20 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.24
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ID: 600726
Weight: 0.62ct
Size: 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 37.44
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ID: 691578
Weight: 49.70ct
Size: 38.7 x 22.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 48.31
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ID: 691470
Weight: 0.67ct
Size: 4.5 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 40.20
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ID: 390555
Weight: 1.68ct (total)
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 108.13
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ID: 508983
Weight: 33.42ct
Size: 24.7 x 16 mm
Clarity: VVS
Content: 1 pc
Price: $ 264.68
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ID: 695365
Weight: 2.49ct
Size: 7.2 x 6 mm
Clarity: VS
Content: 1 pc
Price: $ 62.25
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ID: 720042
Weight: 5.83ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 145.75
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ID: 687813
Weight: 2.44ct
Size: 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 2.44
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ID: 410548
Weight: 9.92ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 54.56
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ID: 636241
Weight: 5.91ct
Size: 13.2 x 11.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 49.64
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ID: 392402
Weight: 7.70ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 50.82
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ID: 478006
Weight: 7.23ct
Size: 16 x 12 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 66.24
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ID: 552522
Weight: 7.90ct
Size: 17.7 x 11.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 15.43
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ID: 606562
Weight: 2.89ct
Size: 9 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 31.79
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ID: 545751
Weight: 1.34ct
Size: 6.7 x 5.9 mm
Clarity: VS
Content: 1 pc
Price: $ 119.70
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ID: 656168
Weight: 1.53ct
Size: 10 x 5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 2.39
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ID: 460789
Weight: 2.64ct
Size: 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.40
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ID: 566208
Weight: 1.05ct
Size: 6 x 4.3 mm
Clarity: VS
Content: 1 pc
Price: $ 23.89
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ID: 701099
Weight: 1.05ct
Size: 7.6 x 4.9 mm
Clarity: VS
Content: 1 pc
Price: $ 45.24
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ID: 636588
Weight: 6.16ct
Size: 10.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 29.57
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ID: 319451
Weight: 3.98ct
Size: 12.8 x 8.5 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 10.51
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ID: 437683
Weight: 2.05ct
Size: 8.7 x 6.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 94.72
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ID: 591875
Weight: 19.64ct
Size: 23.4 x 16.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 129.62
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ID: 682704
Weight: 0.58ct
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 10.44
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ID: 640315
Weight: 0.62ct
Size: 5.9 x 4.5 mm
Clarity: VS
Content: 1 pc
Price: $ 32.74
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ID: 540058
Weight: 3.54ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 22.08
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ID: 682161
Weight: 6.22ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 6.22
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ID: 692439
Weight: 0.75ct
Size: 7.5 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 362.63
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ID: 500405
Weight: 2.09ct
Size: 8.3 x 6.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 89.66
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ID: 415621
Weight: 2.04ct
Size: 8.9 x 6.5 mm
Clarity: VS
Content: 1 pc
Price: $ 79.56
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ID: 719613
Weight: 0.83ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 6.97
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ID: 676219
Weight: 13.95ct
Size: 20.1 x 14.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 150.66
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ID: 503728
Weight: avg. 1.26 ct / each
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Price: $ 36.59
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ID: 392989
Weight: 4.08ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 107.71
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ID: 431237
Weight: 3.56ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 84.59
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ID: 691883
Weight: 0.70ct
Size: 5.4 x 4.4 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 42.00
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ID: 622559
Weight: 1.06ct
Size: 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 22.30
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ID: 714467
Weight: 2.25ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 652.50
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ID: 425947
Weight: 5.65ct
Size: 11.8 x 9 mm
Clarity: VVS
Content: 1 pc
Price: $ 40.68
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ID: 705202
Weight: 26.09ct
Size: 23.8 x 17.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 69.19
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ID: 702346
Weight: avg. 0.06 ct / each
Size: 2.3 mm (calibrated)
Clarity: Opaque
Price: $ 19.21
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ID: 458402
Weight: 1.46ct (total)
Size: 4.5 x 3.6 mm
Clarity: VS
Content: 4 pcs
Price: $ 192.72
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ID: 699670
Weight: 5.65ct
Size: 12 x 10.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 4.52
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ID: 635667
Weight: 5.67ct
Size: 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 47.63
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ID: 505827
Weight: 2.74ct
Size: 12 x 9.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 69.05
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ID: 379760
Weight: 2.69ct (total)
Size: 4.2 mm
Clarity: VS
Content: 6 pcs
Price: $ 152.40
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ID: 691467
Weight: 0.77ct
Size: 5.6 x 5 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 46.20
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ID: 419856
Weight: 1.13ct
Size: 6.5 x 5.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 54.24
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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

Excellent selection and easy to use, well done site

Posted By Steph in December, 2024
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 -> 10 star ratings

Great website, no hassle, easy check out and found everything I needed quickly

Posted By Chris in September, 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

I like the way your website shows us what stone were buying as well the easy way to navigate the site. also knowing the stones are real...

Posted By RED in January, 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

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I trust this company to deliver exactly what is offered. I have never had to return a selection of Gems. I appreciate the company's detailed description of their product. It helps this customer find mounts before the gems arrive. Any day of the year one can find a wide selection of gems, be it by price, color, cut, lot or single. Pricing does not jump all over the place and stays reasonable. Be assured your items will arrive in perfect condition as the company's shipping department does a great job.

Posted By Miss Sherrie in August, 2024
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

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

Excellent selection and easy to use, well done site

Posted By Steph in December, 2024
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 -> 10 star ratings

Great website, no hassle, easy check out and found everything I needed quickly

Posted By Chris in September, 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

I like the way your website shows us what stone were buying as well the easy way to navigate the site. also knowing the stones are real...

Posted By RED in January, 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

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I trust this company to deliver exactly what is offered. I have never had to return a selection of Gems. I appreciate the company's detailed description of their product. It helps this customer find mounts before the gems arrive. Any day of the year one can find a wide selection of gems, be it by price, color, cut, lot or single. Pricing does not jump all over the place and stays reasonable. Be assured your items will arrive in perfect condition as the company's shipping department does a great job.

Posted By Miss Sherrie in August, 2024
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

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