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

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ID: 551171
Weight: 2.86ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.42
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ID: 674172
Weight: 12.67ct
Size: 19 x 16.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 228.06
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ID: 557773
Weight: 3.38ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.57
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ID: 446094
Weight: 3.98ct
Size: 11.5 x 8.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 29.05
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ID: 550367
Weight: 1.66ct
Size: 8.2 x 6.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.49
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ID: 711142
Weight: 19.11ct
Size: 21.2 x 16.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 160.52
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ID: 722369
Weight: 0.72ct
Size: 5.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 34.56
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ID: 711983
Weight: 4.80ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 69.12
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ID: 724141
Weight: 1.60ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.36
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ID: 681881
Weight: 18.42ct
Size: 24 x 14.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 176.83
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ID: 392330
Weight: 6.94ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 45.80
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ID: 476824
Weight: 47.35ct
Size: 43 x 21.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.00
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ID: 491633
Weight: 11.34ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 33.23
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ID: 501975
Weight: 2.02ct
Size: 16.5 x 3.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 66.66
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ID: 727871
Weight: 0.94ct
Size: 5.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 5.64
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ID: 707932
Weight: 2.87ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.75
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ID: 658420
Weight: 10.45ct
Size: 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 37.62
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ID: 606429
Weight: 3.22ct
Size: 13 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 42.50
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ID: 435453
Weight: 14.96ct
Size: 19.1 x 14.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 48.97
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ID: 363149
Weight: 40.10ct
Size: 24.6 x 20.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 79.40
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ID: 551193
Weight: 1.10ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Price: $ 8.28
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ID: 634933
Weight: 1.79ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 39.37
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ID: 692679
Weight: 5.38ct
Size: 11 x 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.30
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ID: 699724
Weight: 0.62ct
Size: 5.4 x 4.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 37.20
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ID: 465506
Weight: 3.60ct
Size: 14 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 31.51
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ID: 718996
Weight: 1.02ct
Size: 5.9 x 4.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 18.36
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ID: 524913
Weight: 1.37ct
Size: 7.1 x 6 mm
Clarity: VS
Content: 1 pc
Price: $ 253.18
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ID: 462025
Weight: 1.89ct
Size: 12.1 x 6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 22.54
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ID: 431310
Weight: 1.81ct
Size: 6.6 x 6.6 mm
Clarity: VS
Content: 1 pc
Price: $ 43.01
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ID: 673192
Weight: 3.17ct
Size: 12.5 x 9.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 190.01
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ID: 491881
Weight: 27.52ct (total)
Size: 25.5 x 10.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 32.33
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ID: 621950
Weight: 1.76ct
Size: 7 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 27.42
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ID: 431484
Weight: 1.62ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 17.08
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ID: 407752
Weight: 5.33ct
Size: 11.3 x 10.3 mm
Clarity: VS
Content: 1 pc
Price: $ 211.07
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ID: 600439
Weight: 23.26ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 17.51
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ID: 447680
Weight: 1.10ct
Size: 6 x 5.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 635.36
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ID: 711823
Weight: 2.84ct
Size: 13.2 x 10.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 75.59
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ID: 658245
Weight: 17.52ct
Size: 16.1 x 14.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 16.86
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ID: 475819
Weight: 6.43ct
Size: 16 x 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 59.41
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ID: 656208
Weight: 1.54ct
Size: 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 36.96
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ID: 423557
Weight: 4.22ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 44.57
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ID: 492383
Weight: 6.86ct
Size: 15.3 x 12.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 23.46
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ID: 369720
Weight: 8.13ct
Size: 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 34.76
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ID: 725701
Weight: 1.28ct
Size: 6.2 x 5.6 mm
Clarity: VS
Content: 1 pc
Price: $ 90.56
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ID: 476751
Weight: 59.42ct
Size: 35.1 x 23.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 50.20
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ID: 485136
Weight: 6.87ct (total)
Size: 11.5 x 11.1 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 36.28
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ID: 394922
Weight: 3.71ct
Size: 9.5 x 9.4 mm
Clarity: VS
Content: 1 pc
Price: $ 24.49
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ID: 535696
Weight: 1.61ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.76
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ID: 474924
Weight: 1.78ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 16.45
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ID: 678391
Weight: 22.84ct (total)
Size: 23.5 x 13.5 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 27.41
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ID: 438107
Weight: 1.39ct
Size: 13.1 x 3.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 45.88
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ID: 719432
Weight: 0.76ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 6.38
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ID: 650619
Weight: 4.43ct
Size: 19.5 x 11.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.77
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ID: 721578
Weight: 45.48ct
Size: 35.2 x 20.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 54.58
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ID: 712044
Weight: 3.20ct (total)
Size: 9 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 8.52
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ID: 635575
Weight: 1.90ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 50.16
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ID: 343580
Weight: 3.54ct
Size: 10.4 x 7.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 11.69
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ID: 719317
Weight: 0.73ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 6.13
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ID: 544615
Weight: 0.73ct
Size: 6.2 x 4.5 mm
Clarity: VS
Content: 1 pc
Price: $ 32.68
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ID: 729890
Weight: 5.80ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 51.92
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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

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

everything was fine

Posted By Marc in January, 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

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

Posted By Uggadugga in May, 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

Overall Rating -> 10 star ratings

Very professional site

Posted By JR in January, 2025
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

So far, my experience was great...Thanks

Posted By Kaydi in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 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 -> 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

everything was fine

Posted By Marc in January, 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

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

Posted By Uggadugga in May, 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

Overall Rating -> 10 star ratings

Very professional site

Posted By JR in January, 2025
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

So far, my experience was great...Thanks

Posted By Kaydi in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 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