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

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ID: 406640
Weight: 23.89ct
Size: 18 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 63.07
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ID: 685583
Weight: 20.87ct
Size: 28.5 x 20.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.78
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ID: 477488
Weight: 4.34ct
Size: 11 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 34.37
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ID: 484090
Weight: 46.96ct
Size: 28.9 x 20.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 84.53
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ID: 708515
Weight: 1.29ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 26.64
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ID: 676934
Weight: 0.05ct
Size: 2.3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 19.62
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ID: 704684
Weight: 38.45ct
Size: 39.9 x 10.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 4.62
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ID: 350516
Weight: 3.14ct (total)
Size: 3 x 3 mm (calibrated)
Clarity: Transparent/Translucent
Content: 20 pcs
Price: $ 75.36
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ID: 418266
Weight: 5.14ct
Size: 13.6 x 9.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 10.18
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ID: 692520
Weight: 19.79ct
Size: 18.1 x 14.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 166.24
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ID: 625170
Weight: 1.23ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 32.47
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ID: 554268
Weight: 33.32ct
Size: 25.3 x 16.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.46
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ID: 724875
Weight: 0.86ct
Size: 9 x 3.3 mm
Clarity: VS
Content: 1 pc
Price: $ 36.12
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ID: 683190
Weight: 4.87ct
Size: 13.4 x 8.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 45.12
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ID: 719580
Weight: 0.60ct
Size: 5 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 10.80
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ID: 642781
Weight: 1.16ct
Size: 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 54.29
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ID: 599840
Weight: 6.24ct
Size: 14.1 x 10 mm
Clarity: Transparent
Price: $ 27.92
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ID: 623792
Weight: 1.02ct
Size: 9 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 74.05
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ID: 398345
Weight: 2.38ct
Size: 8.5 x 7.4 mm
Clarity: VS
Content: 1 pc
Price: $ 122.52
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ID: 397298
Weight: 6.25ct
Size: 11.5 x 11.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 41.26
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ID: 719962
Weight: 0.74ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 6.22
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ID: 722790
Weight: 0.52ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Price: $ 15.60
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ID: 687574
Weight: 2.24ct (total)
Size: 6.5 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 6.56
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ID: 710183
Weight: 1.14ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 20.42
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ID: 725587
Weight: 0.84ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 8.06
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ID: 684066
Weight: 0.57ct
Size: 5.1 x 4.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 23.94
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ID: 710187
Weight: 1.58ct
Size: 7.1 x 5.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.31
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ID: 693793
Weight: 23.30ct
Size: 24.7 x 21.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 16.21
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ID: 490985
Weight: 9.46ct (total)
Size: 8.5 mm (calibrated)
Clarity: Opaque
Content: 4 pcs
Price: $ 27.85
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ID: 480330
Weight: 2.15ct
Size: 8 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 19.87
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ID: 547740
Weight: 5.94ct
Size: 14.7 x 8.6 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 235.22
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ID: 724658
Weight: 0.89ct
Size: 10 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 26.70
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ID: 738974
Weight: 0.51ct
Size: 5 x 4.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 4.59
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ID: 525353
Weight: 1.32ct
Size: 7.5 x 6.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 243.94
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ID: 674898
Weight: 5.59ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 46.96
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ID: 465644
Weight: 5.09ct
Size: 14 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 44.56
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ID: 493123
Weight: 5.15ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 37.25
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ID: 454410
Weight: 1.03ct
Size: 11.9 x 4.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 43.51
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ID: 490453
Weight: 4.88ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 35.42
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ID: 434692
Weight: 2.15ct
Size: 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 79.46
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ID: 680827
Weight: 1.32ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 39.60
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ID: 431304
Weight: 1.43ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 15.08
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ID: 446167
Weight: 2.48ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 118.40
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ID: 489734
Weight: 2.57ct (total)
Size: 4.5 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 50.89
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ID: 732451
Weight: 3.57ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 128.52
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ID: 684204
Weight: 0.35ct
Size: 4.5 x 3.4 mm
Clarity: VS
Content: 1 pc
Price: $ 14.70
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ID: 455240
Weight: 22.85ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 30.17
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ID: 426514
Weight: 8.64ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 39.91
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ID: 730286
Weight: 1.01ct
Size: 9.7 x 3.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 60.60
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ID: 721524
Weight: 8.38ct
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.06
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ID: 721822
Weight: 0.62ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 11.16
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ID: 499412
Weight: 2.18ct (total)
Size: 6.6 x 4.5 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 8.63
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ID: 547582
Weight: 2.13ct (total)
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 14.52
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ID: 473873
Weight: 0.99ct
Size: 8.1 x 5.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 71.88
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ID: 309457
Weight: 0.71ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 40.30
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ID: 722114
Weight: 0.80ct
Size: 5.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 38.40
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ID: 606041
Weight: 22.23ct
Size: 18.3 x 14.9 mm
Clarity: VS
Content: 1 pc
Price: $ 186.73
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ID: 518905
Weight: 4.67ct
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 34.33
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ID: 732546
Weight: 5.50ct
Size: 12.4 x 8.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 198.00
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ID: 532515
Weight: 3.23ct
Size: 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 23.46
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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

This was a great time as always. The only problem I had was deciding between all the beautiful and affordable stones that met my requirements. I love shopping for sapphires!

Posted By Phoenix in August, 2024
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

Muy serios y muy oportunos para el envo

Posted By Veronica in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I have bought from you before and have found your gems exceed my expectations. I have been very satisfied with all gems sent to me. I will be back. Thanks....

Posted By Dork in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Excellent selection and easy to use, well done site

Posted By Steph in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight in March, 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

excellent deals-excellent service-fair prices

Posted By JD in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Im not a jeweler, I buy for my personal use. My dad was a jewelry maker and I love gemstones.

Posted By Andie in September, 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

This was a great time as always. The only problem I had was deciding between all the beautiful and affordable stones that met my requirements. I love shopping for sapphires!

Posted By Phoenix in August, 2024
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

Muy serios y muy oportunos para el envo

Posted By Veronica in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I have bought from you before and have found your gems exceed my expectations. I have been very satisfied with all gems sent to me. I will be back. Thanks....

Posted By Dork in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Excellent selection and easy to use, well done site

Posted By Steph in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight in March, 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

excellent deals-excellent service-fair prices

Posted By JD in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Im not a jeweler, I buy for my personal use. My dad was a jewelry maker and I love gemstones.

Posted By Andie in September, 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