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

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ID: 386503
Weight: 3.31ct
Size: 20.2 x 8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 29.45
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ID: 700575
Weight: 1.28ct
Size: 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 76.80
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ID: 594616
Weight: 2.33ct
Size: 9.8 x 7.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 55.36
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ID: 533753
Weight: 2.58ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 20.44
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ID: 552958
Weight: 1.70ct
Size: 8.2 x 6.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 10.24
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ID: 693228
Weight: 19.16ct
Size: 18.1 x 14.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 160.94
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ID: 594977
Weight: 15.17ct
Size: 16 x 16 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 60.07
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ID: 688246
Weight: 0.21ct (total)
Size: 2.7 x 2.6 mm
Clarity: VS
Content: 2 pcs
Price: $ 10.08
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ID: 396363
Weight: 15.06ct
Size: 29.1 x 13.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.86
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ID: 450566
Weight: 4.46ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 41.21
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ID: 626163
Weight: 1.14ct
Size: 7 x 4.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.51
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ID: 466286
Weight: 3.29ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 34.74
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ID: 565259
Weight: 21.36ct
Size: 24.7 x 14.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 16.08
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ID: 687825
Weight: 6.42ct
Size: 17.3 x 9.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.95
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ID: 735193
Weight: 2.40ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 115.20
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ID: 654802
Weight: 3.67ct
Size: 11.5 x 9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 48.44
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ID: 714097
Weight: 0.52ct
Size: 6.6 x 4.8 mm
Clarity: VS
Content: 1 pc
Price: $ 28.08
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ID: 684825
Weight: 17.65ct
Size: 23.8 x 18.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.58
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ID: 619100
Weight: 5.06ct
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 25.58
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ID: 475502
Weight: 5.78ct
Size: 16 x 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 53.41
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ID: 450011
Weight: 21.95ct (total)
Size: 20.4 x 13.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 57.95
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ID: 711709
Weight: 0.82ct
Size: 6.3 x 4.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 16.37
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ID: 306486
Weight: 38.11ct
Size: 22 x 19.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 60.36
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ID: 600290
Weight: 17.02ct
Size: 22.7 x 17.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.80
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ID: 662135
Weight: 9.14ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.97
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ID: 392409
Weight: 5.40ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 21.38
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ID: 643582
Weight: 3.69ct (total)
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 9.74
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ID: 493101
Weight: 4.63ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 33.49
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ID: 451084
Weight: 1.34ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 12.38
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ID: 523181
Weight: 23.01ct
Size: 28.2 x 16 mm
Clarity: Transparent
Content: 1 pc
Price: $ 182.24
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ID: 449870
Weight: 2.15ct
Size: 10 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 19.79
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ID: 368928
Weight: 2.14ct
Size: 8.2 x 7.3 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 13.90
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ID: 431206
Weight: 2.96ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 70.33
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ID: 630780
Weight: 17.50ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 92.62
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ID: 722768
Weight: 0.63ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 18.90
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ID: 460656
Weight: 4.50ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.58
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ID: 348295
Weight: 2.09ct
Size: 25.3 x 3.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 103.46
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ID: 722448
Weight: 7.54ct
Size: 17.2 x 12.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 63.34
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ID: 454527
Weight: 0.70ct
Size: 5.8 x 4.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 29.57
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ID: 708431
Weight: 1.37ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 28.30
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ID: 516468
Weight: 59.96ct
Size: 35.2 x 23.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 61.74
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ID: 492424
Weight: 11.71ct
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 44.05
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ID: 608195
Weight: 1.90ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 62.70
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ID: 478587
Weight: 13.06ct
Size: 13.2 x 10.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.48
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ID: 696216
Weight: 26.75ct
Size: 30.9 x 18.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 16.06
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ID: 676175
Weight: 4.12ct
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.71
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ID: 447086
Weight: 2.17ct
Size: 7.4 x 7.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 102.55
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ID: 238082
Weight: 0.76ct
Size: 7 x 3.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 110.35
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ID: 720486
Weight: 1.05ct
Size: 6.3 x 5.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 189.00
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ID: 532955
Weight: 1.23ct
Size: 7.5 x 4.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 4.45
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ID: 372504
Weight: 2.66ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 17.56
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ID: 685669
Weight: 1.00ct
Size: 5.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 18.41
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ID: 720754
Weight: 0.46ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 3.86
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ID: 609947
Weight: 19.75ct
Size: 24.8 x 16.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.08
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ID: 385567
Weight: 6.05ct
Size: 16.2 x 7.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.30
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ID: 556882
Weight: 0.63ct
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 28.76
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ID: 603179
Weight: 4.35ct
Size: 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 57.42
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ID: 586421
Weight: 1.32ct
Size: 7.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 87.12
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ID: 725632
Weight: 0.58ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 5.57
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ID: 531803
Weight: 3.36ct
Size: 9.5 x 7.4 mm
Clarity: SI
Content: 1 pc
Price: $ 166.32
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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

I found exactly what I was looking for and ordered it. I like how you give information on the stones I'm buying. Glad I found you!

Posted By TheP in April, 2025
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 -> 10 star ratings

Everything went well, the payment options are easily declined but, but once sorted out, everything is smooth. I have bought from GemSelect before and am consistently satisfied with them.

Posted By Gabe in August, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

Loved the lot buy options

Posted By BDG in October, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

Love the ease of access. Easy to find what you are looking for, and fair pricing.

Posted By NickBehnke in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Good products

Posted By Brave in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and convenient

Posted By Butch in September, 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

It was easy and to the point

Posted By Victorius 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

I found exactly what I was looking for and ordered it. I like how you give information on the stones I'm buying. Glad I found you!

Posted By TheP in April, 2025
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 -> 10 star ratings

Everything went well, the payment options are easily declined but, but once sorted out, everything is smooth. I have bought from GemSelect before and am consistently satisfied with them.

Posted By Gabe in August, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

Loved the lot buy options

Posted By BDG in October, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

Love the ease of access. Easy to find what you are looking for, and fair pricing.

Posted By NickBehnke in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Good products

Posted By Brave in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and convenient

Posted By Butch in September, 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

It was easy and to the point

Posted By Victorius 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