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

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ID: 614766
Weight: 5.61ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 194.60
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ID: 514727
Weight: 23.83ct
Size: 33.3 x 9.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.30
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ID: 647250
Weight: 19.31ct
Size: 16.4 x 14.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 46.34
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ID: 650938
Weight: 2.88ct (total)
Size: 8 x 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 24.19
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ID: 414601
Weight: 6.87ct
Size: 11.7 x 11.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 45.35
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ID: 632706
Weight: 3.10ct
Size: 18.1 x 7.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 22.32
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ID: 664024
Weight: 1.97ct
Size: 8.9 x 6.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 9.46
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ID: 673079
Weight: 8.20ct (total)
Size: 17.5 x 11.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 23.12
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ID: 725474
Weight: 0.38ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 3.65
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ID: 596685
Weight: 20.76ct
Size: 21.8 x 14.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 183.06
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ID: 696878
Weight: 11.22ct (total)
Size: 15.3 x 9.2 mm
Clarity: VS
Content: 2 pcs
Price: $ 67.32
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ID: 689599
Weight: 1.46ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 43.80
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ID: 602869
Weight: 3.39ct
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 31.32
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ID: 456734
Weight: 1.96ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 15.09
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ID: 384139
Weight: 10.49ct
Size: 21.5 x 16.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 23.08
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ID: 672222
Weight: 2.83ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 23.77
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ID: 387832
Weight: 3.05ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 20.14
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ID: 656105
Weight: 0.98ct
Size: 8.1 x 7.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 23.52
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ID: 556565
Weight: 3.21ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 26.87
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ID: 721830
Weight: 0.55ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 9.90
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ID: 675183
Weight: 2.61ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 21.92
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ID: 725325
Weight: 0.38ct
Size: 9.6 x 2.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 13.30
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ID: 535704
Weight: 1.93ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.29
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ID: 692655
Weight: 13.53ct
Size: 16 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 113.65
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ID: 658463
Weight: 11.53ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 96.85
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ID: 366579
Weight: 1.14ct
Size: 7.9 x 5.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 160.07
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ID: 664248
Weight: 6.35ct
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.48
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ID: 575185
Weight: 1.09ct
Size: 8.4 x 6.4 mm
Clarity: VS
Content: 1 pc
Price: $ 115.10
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ID: 347193
Weight: 0.73ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 40.48
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ID: 572437
Weight: 3.00ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.72
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ID: 403528
Weight: 9.05ct
Size: 17.1 x 10.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 63.19
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ID: 727210
Weight: 0.74ct
Size: 9 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 22.20
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ID: 514433
Weight: 3.65ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.34
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ID: 730216
Weight: 0.97ct
Size: 7.1 x 4.2 mm
Clarity: VS
Content: 1 pc
Price: $ 58.20
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ID: 694726
Weight: 6.70ct
Size: 13.4 x 7.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 201.00
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ID: 486349
Weight: 27.27ct
Size: 33 x 22.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 27.72
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ID: 409513
Weight: 6.73ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 32.08
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ID: 713774
Weight: 0.85ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 14.28
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ID: 406822
Weight: 11.86ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 46.97
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ID: 398131
Weight: 1.45ct
Size: 17.2 x 3.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 42.11
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ID: 719018
Weight: 0.96ct
Size: 5.7 x 4.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 17.28
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ID: 424386
Weight: 3.33ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 7 pcs
Price: $ 35.16
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ID: 565145
Weight: 0.18ct (total)
Size: 3 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 394.02
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ID: 606405
Weight: 35.02ct
Size: 25.4 x 20 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.73
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ID: 350386
Weight: 2.27ct (total)
Size: 3 x 3 mm (calibrated)
Clarity: Transparent/Translucent
Content: 20 pcs
Price: $ 51.96
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ID: 534164
Weight: 1.77ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 11.53
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ID: 724759
Weight: 0.25ct
Size: 5.2 x 3.8 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 35.00
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ID: 569266
Weight: 1.92ct
Size: 8.6 x 6.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 38.17
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ID: 464408
Weight: 3.95ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 36.50
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ID: 662635
Weight: 2.67ct
Size: 8.4 x 6.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 64.08
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ID: 693471
Weight: 3.59ct
Size: 12.4 x 9.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.92
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ID: 566687
Weight: 1.17ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 7.73
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ID: 707124
Weight: 2.07ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.97
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ID: 664870
Weight: 3.93ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 28.30
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ID: 439027
Weight: 6.41ct
Size: 17.3 x 9.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 18.36
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ID: 500440
Weight: 1.90ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 17.56
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ID: 486203
Weight: 7.32ct
Size: 14 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 61.49
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ID: 603866
Weight: 1.54ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.23
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ID: 691916
Weight: 0.67ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 56.28
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ID: 433857
Weight: 4.33ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 28.58
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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

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

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love browsing the site and everything is easy to find. There is just so much I get lost for hours. Sometimes I wish there were videos of some gems, but other than that I love shopping with GemSelect and I have referred the site to many people many times. I work in the jewelry industry myself and I love to show off what Ive had made with my gems from GemSelect! Thank you

Posted By Antennaesglow in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

great experience

Posted By T in December, 2024
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 -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD 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

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love browsing the site and everything is easy to find. There is just so much I get lost for hours. Sometimes I wish there were videos of some gems, but other than that I love shopping with GemSelect and I have referred the site to many people many times. I work in the jewelry industry myself and I love to show off what Ive had made with my gems from GemSelect! Thank you

Posted By Antennaesglow in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

great experience

Posted By T in December, 2024
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 -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD 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