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

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ID: 711643
Weight: 2.54ct
Size: 12 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.77
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ID: 697731
Weight: 0.65ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 3.90
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ID: 407645
Weight: 11.85ct
Size: 14 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 31.28
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ID: 377527
Weight: 7.19ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 28.48
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ID: 479536
Weight: 2.06ct (total)
Size: 9.9 x 5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 21.76
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ID: 594611
Weight: 2.53ct
Size: 9.2 x 7.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 60.11
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ID: 448496
Weight: 1.19ct
Size: 6.4 x 5.6 mm
Clarity: VS
Content: 1 pc
Price: $ 757.13
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ID: 476806
Weight: 25.08ct
Size: 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 99.31
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ID: 722685
Weight: 9.55ct
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 80.22
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ID: 735250
Weight: 2.76ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 132.48
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ID: 712198
Weight: 5.25ct
Size: 16 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 13.99
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ID: 691038
Weight: 0.92ct
Size: 6.3 x 5 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 55.20
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ID: 715535
Weight: 1.74ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 16.70
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ID: 643666
Weight: 2.23ct
Size: 9.6 x 7.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 18.73
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ID: 578719
Weight: 2.28ct
Size: 8.1 x 7.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 15.05
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ID: 693039
Weight: 18.57ct
Size: 40 x 8.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 6.68
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ID: 381786
Weight: 1.40ct
Size: 9 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 79.43
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ID: 432383
Weight: 1.84ct
Size: 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 52.63
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ID: 479611
Weight: 2.15ct (total)
Size: 10.1 x 5.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 22.70
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ID: 309629
Weight: 2.96ct
Size: 9.5 x 6.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 155.89
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ID: 727998
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
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ID: 687678
Weight: 12.37ct
Size: 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 36.52
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ID: 730026
Weight: 0.27ct
Size: 5 x 3 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 12.96
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ID: 342024
Weight: 3.91ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 37.93
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ID: 276804
Weight: 26.78ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 70.70
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ID: 663323
Weight: 12.58ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 8.90
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ID: 446093
Weight: 3.28ct
Size: 12.3 x 9.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.94
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ID: 564790
Weight: 0.19ct
Size: 3.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 78.60
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ID: 479888
Weight: 3.51ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 32.44
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ID: 704565
Weight: 1.85ct
Size: 11.1 x 8.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 55.50
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ID: 668869
Weight: 12.94ct
Size: 17.8 x 13.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 279.50
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ID: 611867
Weight: 2.43ct (total)
Size: 7 x 6 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 57.36
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ID: 610616
Weight: avg. 0.44 ct / each
Size: 6 x 5 mm
Clarity: VS
Price: $ 3.38
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ID: 394713
Weight: 6.76ct (total)
Size: 9 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 44.62
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ID: 710814
Weight: 1.79ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 35.75
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ID: 521048
Weight: 13.34ct
Size: 16.8 x 15 mm
Clarity: Opaque
Content: 1 pc
Price: $ 67.27
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ID: 561756
Weight: 3.56ct
Size: 11.6 x 8.7 mm
Clarity: SI
Content: 1 pc
Price: $ 187.97
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ID: 341688
Weight: 4.37ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 42.40
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ID: 489487
Weight: 1.95ct (total)
Size: 4.8 mm
Clarity: VVS-VS
Content: 4 pcs
Price: $ 38.62
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ID: 499983
Weight: 1.83ct (total)
Size: 4 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 24.16
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ID: 658276
Weight: 8.84ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.61
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ID: 458051
Weight: 0.74ct
Size: 8.2 x 4.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 78.14
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ID: 423321
Weight: 4.51ct (total)
Size: 6.8 x 6.6 mm
Clarity: VVS-VS
Content: 5 pcs
Price: $ 35.72
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ID: 553380
Weight: 0.89ct
Size: 9 x 6.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 26.81
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ID: 514349
Weight: 12.19ct
Size: 14 x 14 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 27.35
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ID: 689675
Weight: 1.68ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 16.13
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ID: 726852
Weight: 0.43ct
Size: 5.1 x 3.2 mm
Clarity: VS
Content: 1 pc
Price: $ 18.06
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ID: 644428
Weight: 1.00ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Price: $ 24.00
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ID: 495359
Weight: 2.65ct
Size: 9.4 x 7.7 mm
Clarity: VS
Content: 1 pc
Price: $ 56.81
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ID: 635335
Weight: 14.55ct
Size: 26.3 x 11.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 122.22
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ID: 711202
Weight: 0.68ct
Size: 6.6 x 4.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 1.81
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ID: 407923
Weight: 4.60ct
Size: 14.1 x 9.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 252.29
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ID: 431420
Weight: 1.28ct
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 30.41
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ID: 708079
Weight: 3.46ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.72
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ID: 648494
Weight: 3.73ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 17.89
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ID: 386512
Weight: 4.47ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 10 pcs
Price: $ 23.60
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ID: 322682
Weight: 22.83ct
Size: 20.4 x 19.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 60.28
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ID: 471552
Weight: 1.40ct (total)
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 184.80
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ID: 687789
Weight: 9.69ct (total)
Size: 14 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 28.61
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ID: 727215
Weight: 0.56ct
Size: 7.9 x 5.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 16.80
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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

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

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

I just bought some mystic quartz. Checkout was smooth and pleasant

Posted By Jay in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

This is a wonderful website

Posted By Bryan Diaz in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Great website, no hassle, easy check out and found everything I needed quickly

Posted By Chris in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mm Thanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Helpselect accomplished all personal growth goals

Posted By Mike in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great experience shopping and finding what I was looking for, the only improvement I could think of would be allowing to filter more than one size at a time.

Posted By Tlicious04 in September, 2024
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

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

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

I just bought some mystic quartz. Checkout was smooth and pleasant

Posted By Jay in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

This is a wonderful website

Posted By Bryan Diaz in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Great website, no hassle, easy check out and found everything I needed quickly

Posted By Chris in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mm Thanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Helpselect accomplished all personal growth goals

Posted By Mike in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great experience shopping and finding what I was looking for, the only improvement I could think of would be allowing to filter more than one size at a time.

Posted By Tlicious04 in September, 2024
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