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

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ID: 648153
Weight: 15.75ct
Size: 28.8 x 17.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.19
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ID: 727300
Weight: 1.00ct
Size: 9.2 x 6.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 30.00
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ID: 650686
Weight: 1.55ct (total)
Size: 6.3 x 6.2 mm
Clarity: VVS
Content: 2 pcs
Price: $ 13.02
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ID: 458606
Weight: 1.77ct (total)
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 233.64
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ID: 364129
Weight: 19.77ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 52.19
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ID: 696047
Weight: 0.45ct
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 16.20
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ID: 453839
Weight: 4.19ct
Size: 12 x 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 27.66
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ID: 722993
Weight: 1.16ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 34.80
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ID: 728026
Weight: 1.15ct
Size: 6.9 x 5.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 6.90
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ID: 710306
Weight: 2.98ct
Size: 13.4 x 11 mm
Clarity: Opaque
Content: 1 pc
Price: $ 8.69
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ID: 736600
Weight: 35.56ct
Size: 30.2 x 17.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 33.43
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ID: 346570
Weight: 4.48ct
Size: 12.2 x 7.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 3,010.56
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ID: 361971
Weight: 16.19ct
Size: 20 x 14.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 42.74
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ID: 480064
Weight: 1.97ct
Size: 8 x 8 mm (calibrated)
Clarity: Transparent
Price: $ 18.20
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ID: 685869
Weight: 1.10ct
Size: 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 20.24
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ID: 647348
Weight: 0.65ct
Size: 7.5 x 6.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 23.40
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ID: 691109
Weight: 1.56ct
Size: 16.4 x 6.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 84.24
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ID: 656081
Weight: 1.15ct
Size: 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 27.60
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ID: 484844
Weight: 30.43ct
Size: 38.8 x 15.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 30.12
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ID: 537740
Weight: 1.01ct
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 29.87
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ID: 418247
Weight: 5.38ct
Size: 12.6 x 8.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 28.40
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ID: 397420
Weight: 5.58ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Price: $ 36.83
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ID: 424327
Weight: 7.97ct
Size: 11.7 x 9.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 273.95
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ID: 711460
Weight: 31.45ct
Size: 25.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 69.82
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ID: 472312
Weight: 50.37ct
Size: 38.9 x 26.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 27.94
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ID: 693558
Weight: 1.83ct
Size: 6.7 x 5.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 60.67
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ID: 669508
Weight: 7.27ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 21.82
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ID: 606858
Weight: 34.39ct (total)
Size: 22.8 x 12.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 53.57
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ID: 608433
Weight: 8.38ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 129.05
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ID: 715396
Weight: 10.92ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 104.83
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ID: 394679
Weight: 13.29ct
Size: 15 x 15 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 52.63
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ID: 438066
Weight: 0.99ct
Size: 16.5 x 3 mm
Clarity: VS
Content: 1 pc
Price: $ 32.68
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ID: 609393
Weight: 5.03ct
Size: 11.5 x 9.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 51.46
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ID: 624891
Weight: 3.23ct
Size: 12 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 9.77
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ID: 635365
Weight: 2.06ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS
Price: $ 17.30
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ID: 461278
Weight: 3.46ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 31.97
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ID: 423098
Weight: 14.10ct (total)
Size: 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 26.98
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ID: 541802
Weight: avg. 0.07 ct / each
Size: 2.1 mm (calibrated)
Clarity: Transparent
Price: $ 0.49
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ID: 534697
Weight: 2.89ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 22.88
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ID: 205892
Weight: 2.26ct (total)
Size: 4 mm (calibrated)
Clarity: VS-SI
Content: 9 pcs
Price: $ 134.24
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ID: 473871
Weight: 0.98ct
Size: 10.4 x 5.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 71.15
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ID: 688107
Weight: 8.11ct
Size: 15 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 23.94
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ID: 424651
Weight: 0.89ct
Size: 5.8 x 5.1 mm
Clarity: VS
Content: 1 pc
Price: $ 35.24
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ID: 545034
Weight: 5.52ct (total)
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 41.17
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ID: 553498
Weight: 1.45ct
Size: 7.7 x 5.9 mm
Clarity: SI
Content: 1 pc
Price: $ 32.76
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ID: 697724
Weight: 1.26ct
Size: 11.2 x 7.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 38.18
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ID: 348364
Weight: 25.84ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 136.44
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ID: 678123
Weight: 0.22ct
Size: 2.9 x 2.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 132.00
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ID: 715309
Weight: 0.78ct
Size: 7.3 x 5.2 mm
Clarity: SI
Content: 1 pc
Price: $ 374.40
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ID: 634192
Weight: 7.26ct (total)
Size: 14.6 x 8.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 33.02
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ID: 538968
Weight: 7.37ct
Size: 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 19.45
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ID: 708081
Weight: 2.63ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.36
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ID: 622324
Weight: 0.98ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 18.11
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ID: 721615
Weight: 7.37ct
Size: 14.2 x 11.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.53
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ID: 393602
Weight: 5.86ct
Size: 11 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 38.68
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ID: 662018
Weight: 1.06ct
Size: 9 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 2.56
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ID: 692679
Weight: 5.38ct
Size: 11 x 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.30
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ID: 390047
Weight: 1.13ct
Size: 8 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 73.21
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ID: 701753
Weight: 7.43ct
Size: 16 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 44.58
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ID: 700042
Weight: 0.57ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Price: $ 5.47
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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

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 -> 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

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 -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 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 -> 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

Great experience shopping and finding what I was looking for, the only improvement I could think of would be allowing to filter more than one size at a time.

Posted By Tlicious04 in September, 2024
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

When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.

Posted By LeAnn 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 -> 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 -> 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

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 -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 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 -> 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

Great experience shopping and finding what I was looking for, the only improvement I could think of would be allowing to filter more than one size at a time.

Posted By Tlicious04 in September, 2024
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

When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.

Posted By LeAnn 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