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

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ID: 717941
Weight: 0.66ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 19.80
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ID: 517917
Weight: 4.66ct
Size: 13.1 x 7.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 30.76
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ID: 731003
Weight: 9.63ct
Size: 21.6 x 13.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.78
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ID: 410226
Weight: 5.96ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 39.34
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ID: 643792
Weight: 1.36ct
Size: 7.4 x 6.1 mm
Clarity: VS
Content: 1 pc
Price: $ 32.64
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ID: 691708
Weight: 0.59ct
Size: 5.7 x 4.6 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 35.40
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ID: 453881
Weight: 1.97ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 18.20
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ID: 499897
Weight: 15.32ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 116.28
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ID: 389592
Weight: 2.56ct (total)
Size: 7.1 x 5.9 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 16.90
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ID: 600415
Weight: 2.81ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 25.97
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ID: 451220
Weight: 1.46ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 13.49
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ID: 480353
Weight: 1.94ct (total)
Size: 6.2 x 4.3 mm
Clarity: Translucent
Content: 4 pcs
Price: $ 17.93
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ID: 609979
Weight: 13.20ct (total)
Size: 13 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 15.84
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ID: 660662
Weight: 1.39ct
Size: 7.5 x 6.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 33.36
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ID: 620851
Weight: 3.82ct (total)
Size: 12 x 6 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 40.34
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ID: 489141
Weight: 2.87ct (total)
Size: 4.8 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 56.83
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ID: 545862
Weight: 1.06ct
Size: 7.3 x 5.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.20
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ID: 714464
Weight: 0.76ct
Size: 5.2 mm
Clarity: SI
Content: 1 pc
Price: $ 22.80
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ID: 392304
Weight: 74.01ct
Size: 35.3 x 23.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 71.05
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ID: 560929
Weight: 0.61ct
Size: 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 33.82
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ID: 687099
Weight: 6.42ct (total)
Size: 11 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 18.95
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ID: 711779
Weight: 13.71ct
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 36.53
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ID: 711704
Weight: 0.83ct
Size: 6.3 x 5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 16.57
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ID: 737476
Weight: 2.21ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 99.45
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ID: 450758
Weight: 3.34ct
Size: 12.5 x 7.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 30.86
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ID: 699084
Weight: 0.96ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 8.06
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ID: 694377
Weight: 22.72ct
Size: 18 x 18 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 190.85
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ID: 606560
Weight: 4.47ct
Size: 12.6 x 11.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 59.00
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ID: 661854
Weight: 13.65ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.38
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ID: 688455
Weight: 0.29ct
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 13.92
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ID: 273234
Weight: 22.98ct
Size: 20.3 x 19.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 60.67
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ID: 710154
Weight: 2.62ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 22.01
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ID: 712686
Weight: 0.77ct
Size: 5.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 15.37
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ID: 544454
Weight: 0.72ct
Size: 6.8 x 4.4 mm
Clarity: VS
Content: 1 pc
Price: $ 32.22
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ID: 645791
Weight: 27.40ct
Size: 24.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.46
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ID: 490598
Weight: 3.90ct (total)
Size: 6 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 38.27
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ID: 725215
Weight: 0.69ct
Size: 9.6 x 3 mm
Clarity: VVS
Content: 1 pc
Price: $ 28.98
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ID: 736582
Weight: 65.98ct
Size: 29.2 x 24.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 93.03
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ID: 447612
Weight: 40.50ct
Size: 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 106.92
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ID: 710815
Weight: 1.30ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 25.96
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ID: 727344
Weight: 0.48ct
Size: 5 x 4.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 20.16
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ID: 657429
Weight: 1.84ct
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 2.21
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ID: 477696
Weight: 5.43ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 38.14
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ID: 489434
Weight: 2.27ct (total)
Size: 5 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 44.95
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ID: 573675
Weight: 8.27ct
Size: 14 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 59.54
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ID: 479650
Weight: 1.25ct
Size: 10.1 x 5.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 13.20
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ID: 607742
Weight: 8.75ct
Size: 14 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 73.50
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ID: 619126
Weight: 2.50ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 82.50
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ID: 679340
Weight: avg. 1.79 ct / each
Size: 8 mm (calibrated)
Clarity: Opaque
Price: $ 8.94
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ID: 461510
Weight: 1.08ct (total)
Size: 4.2 x 3.3 mm
Clarity: VS
Content: 4 pcs
Price: $ 142.56
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ID: 438314
Weight: 3.36ct (total)
Size: 6.5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 88.70
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ID: 673936
Weight: 13.43ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 193.19
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ID: 433506
Weight: 24.53ct
Size: 29.1 x 19.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.38
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ID: 494885
Weight: 4.19ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 30.14
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ID: 497093
Weight: 1.76ct
Size: 8.4 x 6.8 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 31.62
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ID: 648011
Weight: 3.15ct
Size: 12.3 x 9.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 26.46
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ID: 492904
Weight: 4.46ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 32.26
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ID: 669113
Weight: 3.33ct
Size: 12.9 x 9.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 99.90
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ID: 571928
Weight: 1.23ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 35.42
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ID: 527926
Weight: 3.68ct
Size: 13.1 x 9.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 26.63
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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

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

great experience

Posted By T in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I always enjoy the selection and the unique cuts I can find here. I would love to see more hex cuts tho! Maybe some rose cuts too!

Posted By Blkfower83 in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.

Posted By LeAnn in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good shopping experience. Website is relatively easy to use. Prices are good.

Posted By Bleep in August, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I love wide range of stones. Always have my preference.

Posted By Ray in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect website simple to use. I recommend it to non-trade clients looking for gems.

Posted By GemJocky in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

there are a large number of gems to choose from i have ordered before and these objects are precious to me that my light reflect in them and fills the stones they are there when i need to reflect on life

Posted By Kickbass.2 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

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

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

great experience

Posted By T in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I always enjoy the selection and the unique cuts I can find here. I would love to see more hex cuts tho! Maybe some rose cuts too!

Posted By Blkfower83 in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.

Posted By LeAnn in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good shopping experience. Website is relatively easy to use. Prices are good.

Posted By Bleep in August, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I love wide range of stones. Always have my preference.

Posted By Ray in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect website simple to use. I recommend it to non-trade clients looking for gems.

Posted By GemJocky in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

there are a large number of gems to choose from i have ordered before and these objects are precious to me that my light reflect in them and fills the stones they are there when i need to reflect on life

Posted By Kickbass.2 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

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