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

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ID: 367831
Weight: 5.81ct
Size: 15.4 x 8 mm
Clarity: VVS
Content: 1 pc
Price: $ 39.19
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ID: 590214
Weight: 1.21ct
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 22.81
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ID: 456608
Weight: 24.13ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 74.21
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ID: 384890
Weight: 4.13ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.16
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ID: 463143
Weight: 1.87ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 37.03
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ID: 650064
Weight: 9.28ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 6.58
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ID: 497951
Weight: 19.53ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 21.66
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ID: 461604
Weight: 1.30ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 55.16
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ID: 349456
Weight: 1.06ct
Size: 7.1 x 5.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 146.92
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ID: 435147
Weight: 71.35ct
Size: 44.8 x 28.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 141.26
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ID: 597614
Weight: 2.20ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Price: $ 14.52
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ID: 709320
Weight: 0.80ct
Size: 6.3 x 4.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 16.52
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ID: 454924
Weight: 2.92ct
Size: 12.1 x 6.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 26.98
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ID: 346700
Weight: 102.80ct
Size: 50.2 x 37.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 61.68
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ID: 543540
Weight: 2.36ct (total)
Size: 7.1 x 5.3 mm
Clarity: VS
Content: 2 pcs
Price: $ 24.65
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ID: 407440
Weight: 14.41ct
Size: 15.2 x 12.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.04
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ID: 712387
Weight: 18.06ct
Size: 21.2 x 16 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 151.70
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ID: 687127
Weight: 2.15ct
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 2.58
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ID: 693239
Weight: 19.78ct
Size: 18.2 x 14.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 166.15
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ID: 392397
Weight: 7.04ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 46.46
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ID: 472496
Weight: 27.69ct (total)
Size: 23.4 x 14 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 54.83
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ID: 666921
Weight: 25.45ct
Size: 24.9 x 20.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 458.10
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ID: 651939
Weight: 2.78ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 23.35
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ID: 467903
Weight: 5.88ct (total)
Size: 3 mm (calibrated)
Clarity: Transparent
Content: 36 pcs
Price: $ 38.81
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ID: 693984
Weight: 1.63ct
Size: 6.6 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 54.05
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ID: 715683
Weight: 1.10ct
Size: 7.3 x 4.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 69.96
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ID: 690255
Weight: 72.05ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 66.00
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ID: 353593
Weight: 4.64ct (total)
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 49.00
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ID: 691697
Weight: 0.52ct
Size: 5.2 x 5.1 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 31.20
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ID: 704843
Weight: 44.23ct
Size: 42.2 x 11.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 5.30
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ID: 711137
Weight: 18.58ct
Size: 18 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 156.07
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ID: 691380
Weight: 5.50ct
Size: 16.8 x 11.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 297.00
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ID: 658322
Weight: 69.97ct
Size: 40.2 x 27.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 143.58
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ID: 328318
Weight: 14.22ct (total)
Size: 12 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 93.85
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ID: 648459
Weight: 21.74ct
Size: 23.5 x 18.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.53
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ID: 325976
Weight: 3.04ct
Size: 9 x 7.8 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 10.84
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ID: 715322
Weight: 1.55ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 14.88
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ID: 533537
Weight: 1.61ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 12.82
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ID: 584712
Weight: 3.53ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 33.36
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ID: 544805
Weight: 2.70ct
Size: 8.3 x 6.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 245.92
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ID: 543724
Weight: 1.02ct (total)
Size: 4.2 x 4.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.42
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ID: 712002
Weight: 12.23ct
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 32.58
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ID: 381486
Weight: 2.16ct
Size: 16.9 x 4.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 71.28
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ID: 692958
Weight: 42.02ct
Size: 22.7 x 17.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.34
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ID: 475802
Weight: 4.62ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 48.42
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ID: 698720
Weight: 0.69ct
Size: 5.6 x 4.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.14
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ID: 734946
Weight: 6.15ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 36.90
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ID: 730332
Weight: 0.90ct
Size: 5.3 x 5 mm
Clarity: VVS
Content: 1 pc
Price: $ 54.00
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ID: 722647
Weight: 15.97ct
Size: 19.5 x 17 mm
Clarity: Translucent
Content: 1 pc
Price: $ 134.15
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ID: 333973
Weight: 3.01ct (total)
Size: 3 x 3 mm (calibrated)
Clarity: Transparent
Content: 20 pcs
Price: $ 67.55
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ID: 533806
Weight: 3.49ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 94.96
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ID: 706713
Weight: 4.82ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 11.57
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ID: 487908
Weight: 29.48ct
Size: 34.9 x 15.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.79
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ID: 496201
Weight: 7.87ct
Size: 13.6 x 12.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 21.92
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ID: 695383
Weight: 27.23ct
Size: 27.3 x 23.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 27.23
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ID: 724723
Weight: 0.54ct
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 16.20
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ID: 481062
Weight: 15.35ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.81
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ID: 690265
Weight: 23.62ct
Size: 25 x 15.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 45.60
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ID: 392151
Weight: 4.82ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 4 pcs
Price: $ 127.25
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ID: 381751
Weight: 3.30ct (total)
Size: 4.7 mm
Clarity: VVS-VS
Content: 9 pcs
Price: $ 340.40
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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

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
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

Easy and convenient

Posted By Butch in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

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

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Loved everything. High quality, quick shipping, and authentication included.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
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 -> 9 star ratings

I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!

Posted By Leo in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I love the gems!

Posted By MM in April, 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

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
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

Easy and convenient

Posted By Butch in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

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

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Loved everything. High quality, quick shipping, and authentication included.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
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 -> 9 star ratings

I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!

Posted By Leo in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I love the gems!

Posted By MM in April, 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