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

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ID: 725669
Weight: 0.42ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 4.03
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ID: 462723
Weight: 1.48ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 78.14
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ID: 648893
Weight: 17.46ct
Size: 23 x 21.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.06
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ID: 479551
Weight: 2.32ct (total)
Size: 10.1 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 24.50
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ID: 484303
Weight: 1.20ct
Size: 7.7 x 5.4 mm
Clarity: VS
Content: 1 pc
Price: $ 15.84
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ID: 710373
Weight: 1.79ct
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 5.22
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ID: 711253
Weight: 39.29ct
Size: 26.5 x 17 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.73
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ID: 410368
Weight: 4.08ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 19.50
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ID: 426843
Weight: 14.31ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 56.66
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ID: 556864
Weight: 3.11ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 23.66
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ID: 342033
Weight: 3.84ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 37.25
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ID: 710365
Weight: 9.00ct
Size: 16.3 x 11 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.24
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ID: 714015
Weight: 0.44ct
Size: 4.3 mm
Clarity: SI
Content: 1 pc
Price: $ 13.20
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ID: 553724
Weight: 2.37ct
Size: 8 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 53.56
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ID: 706983
Weight: 2.55ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.12
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ID: 639735
Weight: 0.28ct
Size: 4.3 x 3.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 28.90
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ID: 719802
Weight: 0.94ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 16.92
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ID: 601131
Weight: 3.77ct (total)
Size: 12.1 x 6 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 24.89
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ID: 672929
Weight: 1.16ct
Size: 6.4 x 5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.18
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ID: 619782
Weight: 2.31ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 76.24
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ID: 388760
Weight: 1.07ct
Size: 11.2 x 4.7 mm
Clarity: VS
Content: 1 pc
Price: $ 68.69
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ID: 388220
Weight: 0.63ct
Size: 5.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 27.30
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ID: 711703
Weight: 0.81ct
Size: 6.3 x 5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 16.18
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ID: 474711
Weight: 2.01ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 22.11
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ID: 543866
Weight: 1.04ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.61
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ID: 517102
Weight: 1.94ct
Size: 15.6 x 4.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 176.70
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ID: 447725
Weight: 1.31ct
Size: 7.9 x 5.4 mm
Clarity: VS
Content: 1 pc
Price: $ 832.34
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ID: 523438
Weight: 18.71ct
Size: 22.5 x 16 mm
Clarity: Transparent
Content: 1 pc
Price: $ 148.19
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ID: 715770
Weight: 1.06ct
Size: 7.7 x 3.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 67.42
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ID: 552433
Weight: 10.87ct
Size: 19.2 x 15.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 28.69
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ID: 464400
Weight: 3.92ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 36.22
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ID: 381964
Weight: 2.27ct
Size: 19.5 x 3.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 86.47
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ID: 733109
Weight: 0.41ct
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 17.22
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ID: 645900
Weight: 9.00ct
Size: 16.7 x 15.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 28.08
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ID: 455046
Weight: 33.44ct (total)
Size: 22.4 x 13.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 44.14
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ID: 635039
Weight: 0.65ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 18.72
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ID: 707176
Weight: 4.28ct (total)
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 10.27
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ID: 500232
Weight: 1.55ct
Size: 11.9 x 5.9 mm
Clarity: VS
Price: $ 14.33
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ID: 465969
Weight: 5.46ct
Size: 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 10.81
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ID: 591647
Weight: 5.63ct (total)
Size: 6 x 1.6 mm
Clarity: Transparent
Content: 10 pcs
Price: $ 11.89
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ID: 734761
Weight: 5.09ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 213.78
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ID: 683987
Weight: 2.15ct (total)
Size: 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 3.10
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ID: 728144
Weight: 1.17ct
Size: 6.3 x 5.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 7.02
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ID: 720907
Weight: 1.35ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 11.34
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ID: 732492
Weight: 0.72ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 6.05
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ID: 449427
Weight: 2.10ct
Size: 18.5 x 3.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 83.16
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ID: 721581
Weight: 37.24ct
Size: 31.8 x 20 mm
Clarity: Opaque
Content: 1 pc
Price: $ 44.69
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ID: 724805
Weight: 1.28ct
Size: 15.2 x 3.2 mm
Clarity: VS
Content: 1 pc
Price: $ 53.76
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ID: 631661
Weight: 13.20ct
Size: 26 x 15.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 60.04
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ID: 554211
Weight: 0.93ct
Size: 7.9 x 5.6 mm
Clarity: SI
Content: 1 pc
Price: $ 24.55
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ID: 408078
Weight: 8.86ct
Size: 12 x 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 20.94
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ID: 457071
Weight: 6.76ct
Size: 15.8 x 8.1 mm
Clarity: VS
Content: 1 pc
Price: $ 35.69
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ID: 459953
Weight: 4.45ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.12
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ID: 572441
Weight: 2.88ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.62
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ID: 502167
Weight: 2.25ct (total)
Size: 6.8 x 6 mm
Clarity: VS
Content: 4 pcs
Price: $ 17.82
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ID: 688120
Weight: 14.28ct
Size: 15 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 42.16
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ID: 401774
Weight: 2.78ct (total)
Size: 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 113.76
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ID: 623066
Weight: 1.34ct
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 20.87
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ID: 446985
Weight: 1.92ct
Size: 7.8 x 7 mm
Clarity: VS
Content: 1 pc
Price: $ 90.73
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ID: 546890
Weight: 3.23ct
Size: 8.5 x 8.5 mm
Clarity: VS
Content: 1 pc
Price: $ 25.58
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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 deals-excellent service-fair prices

Posted By JD in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.

Posted By Desertchick in March, 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

Overall Rating -> 10 star ratings

Always excellent quality and service from GemSelect

Posted By Mike B. in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.

Posted By Nate in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, package and info of your gems.

Posted By Diana in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have ordered from Genselect before and always had a great experience. My go to source!

Posted By Kycaver in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina 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

excellent deals-excellent service-fair prices

Posted By JD in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.

Posted By Desertchick in March, 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

Overall Rating -> 10 star ratings

Always excellent quality and service from GemSelect

Posted By Mike B. in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.

Posted By Nate in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, package and info of your gems.

Posted By Diana in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have ordered from Genselect before and always had a great experience. My go to source!

Posted By Kycaver in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina 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