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

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ID: 713832
Weight: 1.14ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 9.58
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ID: 534187
Weight: 2.02ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.18
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ID: 381310
Weight: 1.99ct (total)
Size: 3.7 x 3.7 mm
Clarity: VS
Content: 5 pcs
Price: $ 51.02
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ID: 640322
Weight: 0.26ct
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 12.48
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ID: 463141
Weight: 1.66ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 32.87
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ID: 679272
Weight: 2.78ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.35
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ID: 480281
Weight: 7.31ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 61.40
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ID: 725451
Weight: 9.99ct
Size: 12 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.39
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ID: 570044
Weight: 2.02ct
Size: 7 x 7 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 48.00
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ID: 686092
Weight: 3.47ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 4.16
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ID: 730348
Weight: 2.77ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 24.79
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ID: 479517
Weight: 17.42ct (total)
Size: 2.2 x 12.9 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 31.73
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ID: 582949
Weight: 1.73ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 91.34
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ID: 431516
Weight: 1.45ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 15.30
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ID: 398472
Weight: 1.38ct
Size: 8.2 x 4.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 86.62
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ID: 391485
Weight: 45.34ct
Size: 38.7 x 24.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 59.84
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ID: 541719
Weight: 3.52ct (total)
Size: 8 x 6.5 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 70.72
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ID: 391025
Weight: 1.13ct
Size: 15.6 x 2.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 32.82
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ID: 606561
Weight: 6.30ct
Size: 13 x 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 83.16
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ID: 446165
Weight: 2.51ct
Size: 9.6 x 6.9 mm
Clarity: VS
Content: 1 pc
Price: $ 119.84
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ID: 680789
Weight: 0.87ct
Size: 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 26.10
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ID: 662100
Weight: 1.06ct
Size: 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 2.13
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ID: 548054
Weight: 5.92ct
Size: 11.7 x 9.6 mm
Clarity: SI
Content: 1 pc
Price: $ 234.43
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ID: 712336
Weight: 2.84ct
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 7.56
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ID: 315567
Weight: 3.24ct (total)
Size: 3 x 3 mm (calibrated)
Clarity: Transparent
Content: 20 pcs
Price: $ 72.71
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ID: 500132
Weight: 1.92ct
Size: 12 x 5.9 mm
Clarity: VS
Content: 1 pc
Price: $ 17.74
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ID: 723371
Weight: 0.07ct
Size: 2.7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 67.20
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ID: 691876
Weight: 0.28ct
Size: 3.8 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 16.80
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ID: 312704
Weight: 3.16ct
Size: 10 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 9.48
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ID: 431475
Weight: 1.70ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 17.93
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ID: 724823
Weight: 6.13ct
Size: 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 6.98
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ID: 596472
Weight: 20.00ct
Size: 21.4 x 14.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 176.35
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ID: 464417
Weight: 4.03ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 37.24
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ID: 691537
Weight: 0.61ct
Size: 5.7 x 4.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 51.24
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ID: 686820
Weight: 6.10ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 7.32
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ID: 460412
Weight: 3.49ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 46.07
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ID: 635390
Weight: 0.82ct
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 18.04
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ID: 704939
Weight: 35.43ct
Size: 36.9 x 11.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 8.51
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ID: 712701
Weight: 3.57ct
Size: 13 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 9.52
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ID: 492622
Weight: 4.32ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.25
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ID: 719767
Weight: 0.66ct
Size: 5.2 x 4.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 11.88
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ID: 550507
Weight: 4.96ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 45.83
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ID: 689045
Weight: 1.04ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.20
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ID: 416371
Weight: 1.58ct
Size: 20.6 x 3 mm
Clarity: VS
Content: 1 pc
Price: $ 50.05
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ID: 395211
Weight: 3.76ct
Size: 10 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 24.82
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ID: 456781
Weight: 4.24ct
Size: 12.9 x 7.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.18
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ID: 728178
Weight: 3.03ct
Size: 10.4 x 9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 7.27
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ID: 605445
Weight: 24.61ct (total)
Size: 16 x 16 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 38.33
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ID: 711716
Weight: 33.59ct
Size: 25.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 89.48
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ID: 572144
Weight: 11.77ct (total)
Size: 15.1 x 11 mm
Clarity: VVS
Content: 2 pcs
Price: $ 46.61
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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: 699169
Weight: 3.42ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.73
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ID: 475574
Weight: 6.93ct
Size: 16 x 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 64.03
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ID: 647269
Weight: 1.02ct
Size: 7.2 x 5.8 mm
Clarity: VS
Content: 1 pc
Price: $ 23.26
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ID: 715692
Weight: 2.88ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.65
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ID: 636262
Weight: 1.79ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 39.37
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ID: 709187
Weight: 1.45ct (total)
Size: 7.1 x 5.3 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 29.58
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ID: 453055
Weight: 5.20ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 48.05
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ID: 700991
Weight: 0.58ct
Size: 5.3 x 4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 20.82
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ID: 715734
Weight: 7.89ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 75.74
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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

So far, my experience was great...Thanks

Posted By Kaydi in May, 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 -> 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 -> 8 star ratings

The website was nice and I bought some gems

Posted By Jay in December, 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

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

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

Helpselect accomplished all personal growth goals

Posted By Mike in October, 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

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

So far, my experience was great...Thanks

Posted By Kaydi in May, 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 -> 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 -> 8 star ratings

The website was nice and I bought some gems

Posted By Jay in December, 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

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

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

Helpselect accomplished all personal growth goals

Posted By Mike in October, 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

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