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

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ID: 548264
Weight: 12.29ct
Size: 17.1 x 12.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 486.68
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ID: 688390
Weight: 6.12ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.34
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ID: 390982
Weight: 3.69ct
Size: 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.09
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ID: 414444
Weight: 7.65ct
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 50.50
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ID: 644870
Weight: 2.78ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 6.67
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ID: 520280
Weight: 4.59ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 42.41
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ID: 554941
Weight: 21.86ct
Size: 18.9 x 13.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.54
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ID: 514067
Weight: avg. 2.91 ct / each
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Price: $ 26.35
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ID: 422007
Weight: 4.87ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 32.15
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ID: 711852
Weight: 0.44ct
Size: 6 x 4 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 0.98
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ID: 585688
Weight: 7.67ct
Size: 17.4 x 14.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 46.02
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ID: 695582
Weight: 0.61ct
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 21.96
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ID: 308090
Weight: 1.76ct
Size: 12.2 x 8.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 99.90
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ID: 376709
Weight: 2.34ct
Size: 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 18.19
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ID: 525359
Weight: 1.61ct
Size: 8 x 6.5 mm
Clarity: VS
Content: 1 pc
Price: $ 247.94
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ID: 579581
Weight: 2.13ct
Size: 6 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.04
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ID: 560995
Weight: 0.97ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 8.96
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ID: 617551
Weight: 34.10ct
Size: 41.3 x 26.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 32.41
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ID: 546434
Weight: avg. 0.45 ct / each
Size: 5.3 x 4 mm
Clarity: VS-SI
Price: $ 14.01
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ID: 486914
Weight: 28.92ct
Size: 32.9 x 21.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 19.09
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ID: 672071
Weight: 1.45ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 34.80
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ID: 499254
Weight: 1.90ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.10
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ID: 711431
Weight: 0.40ct
Size: 5.8 x 3.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 1.07
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ID: 639068
Weight: 1.00ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 25.08
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ID: 672433
Weight: 1.29ct
Size: 6.9 x 5.6 mm
Clarity: VS
Content: 1 pc
Price: $ 30.96
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ID: 519570
Weight: 1.22ct
Size: 7.2 x 5.9 mm
Clarity: VS
Content: 1 pc
Price: $ 24.16
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ID: 360791
Weight: 10.12ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 21.78
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ID: 431667
Weight: 1.62ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 38.50
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ID: 512364
Weight: 11.80ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS
Price: $ 77.88
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ID: 663014
Weight: 0.98ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 18.82
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ID: 439157
Weight: 1.94ct
Size: 7.4 x 7.4 mm
Clarity: VS
Content: 1 pc
Price: $ 120.36
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ID: 645887
Weight: 16.94ct
Size: 19.7 x 18.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 52.85
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ID: 365533
Weight: 1.79ct
Size: 7.7 x 6.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 52.49
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ID: 732980
Weight: 0.79ct
Size: 6.2 x 4.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 15.80
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ID: 562684
Weight: 3.56ct
Size: 11.5 x 8.8 mm
Clarity: SI
Content: 1 pc
Price: $ 187.97
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ID: 548537
Weight: 1.55ct
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 31.40
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ID: 651948
Weight: 8.41ct
Size: 17.2 x 15.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.14
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ID: 655423
Weight: 0.74ct
Size: 6.1 x 5.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 1.15
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ID: 720082
Weight: 0.66ct
Size: 5.3 x 4.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 11.88
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ID: 737349
Weight: 3.91ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 175.95
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ID: 523601
Weight: 28.85ct
Size: 31.3 x 20.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.32
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ID: 730142
Weight: 37.25ct
Size: 39 x 20.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.76
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ID: 691421
Weight: 0.54ct
Size: 4.7 x 4.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 45.36
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ID: 708312
Weight: 5.77ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 9.55
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ID: 478029
Weight: 46.39ct
Size: 42.1 x 22.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.46
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ID: 699128
Weight: 1.62ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 13.61
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ID: 696536
Weight: 14.90ct
Size: 16 x 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 26.82
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ID: 621637
Weight: 1.47ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 30.91
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ID: 408233
Weight: 4.31ct
Size: 12.6 x 8.6 mm
Clarity: VS
Content: 1 pc
Price: $ 170.68
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ID: 416144
Weight: 1.44ct
Size: 11.9 x 3.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 45.62
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ID: 608186
Weight: 1.26ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 11.64
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ID: 451183
Weight: 1.49ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 13.76
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ID: 711007
Weight: 0.89ct
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 17.77
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ID: 530091
Weight: 1.93ct
Size: 11.6 x 5.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 168.14
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ID: 430292
Weight: 5.04ct
Size: 13 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 13.10
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ID: 297168
Weight: 35.80ct
Size: 27.5 x 21.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 47.26
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ID: 673667
Weight: 16.50ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 257.17
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ID: 480886
Weight: 7.16ct (total)
Size: 4.7 x 4.6 mm
Clarity: Transparent
Content: 45 pcs
Price: $ 61.25
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ID: 615229
Weight: 8.92ct
Size: 15 x 10.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 309.43
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ID: 492207
Weight: 9.08ct
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 34.16
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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 -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
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 have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.

Posted By Sam in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Ive been looking for a place to buy loose gemstones for years and was thrilled when I found this site

Posted By Bern in October, 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 -> 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

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga 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 -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
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 have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.

Posted By Sam in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Ive been looking for a place to buy loose gemstones for years and was thrilled when I found this site

Posted By Bern in October, 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 -> 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

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga 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