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

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ID: 691879
Weight: 0.54ct
Size: 5.1 x 4.3 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 32.40
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ID: 534179
Weight: 2.29ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.93
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ID: 693559
Weight: 2.41ct
Size: 7.8 x 6.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 79.91
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ID: 713662
Weight: 6.98ct
Size: 17.9 x 9 mm
Clarity: VVS
Content: 1 pc
Price: $ 48.86
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ID: 584862
Weight: 0.92ct
Size: 8.2 x 6.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 31.57
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ID: 696531
Weight: 52.11ct
Size: 35.2 x 23.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 93.80
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ID: 472186
Weight: 52.90ct
Size: 41.6 x 27.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.33
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ID: 381922
Weight: 3.18ct (total)
Size: 3.5 mm (calibrated)
Clarity: VS
Content: 20 pcs
Price: $ 168.29
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ID: 565272
Weight: 40.87ct
Size: 28.8 x 21.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 30.76
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ID: 607775
Weight: 2.04ct
Size: 8 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 51.17
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ID: 691080
Weight: 0.38ct
Size: 4.3 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 22.80
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ID: 574847
Weight: 6.88ct
Size: 15.4 x 11 mm
Clarity: Opaque
Content: 1 pc
Price: $ 62.30
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ID: 375989
Weight: 4.10ct
Size: 10.5 x 9.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 31.78
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ID: 387853
Weight: 2.86ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 18.88
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ID: 735126
Weight: 0.78ct
Size: 6.4 x 5.7 mm
Clarity: SI
Content: 1 pc
Price: $ 46.80
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ID: 657956
Weight: 13.04ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 15.65
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ID: 704853
Weight: 1.70ct
Size: 11.6 x 8.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 51.00
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ID: 328312
Weight: 13.95ct (total)
Size: 12 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 92.08
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ID: 447382
Weight: 14.85ct
Size: 30.8 x 15.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 205.84
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ID: 700967
Weight: 0.35ct
Size: 3.8 mm
Clarity: SI
Content: 1 pc
Price: $ 21.00
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ID: 405228
Weight: 6.30ct
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 44.40
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ID: 479324
Weight: 1.71ct (total)
Size: 9.8 x 4.9 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 18.06
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ID: 712427
Weight: 4.86ct (total)
Size: 12 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 12.95
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ID: 712453
Weight: 4.70ct (total)
Size: 12.2 x 6.3 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 12.52
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ID: 693461
Weight: 2.41ct
Size: 8.4 x 5.4 mm
Clarity: VS
Content: 1 pc
Price: $ 79.91
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ID: 615720
Weight: 1.02ct
Size: 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 25.58
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ID: 426467
Weight: 8.89ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 41.08
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ID: 398694
Weight: 2.52ct
Size: 8 x 8 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 66.53
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ID: 673442
Weight: 1.74ct
Size: 12 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 73.08
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ID: 471541
Weight: 4.42ct
Size: 11 x 10.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 45.80
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ID: 447866
Weight: 1.48ct
Size: 8.5 x 6.3 mm
Clarity: VS
Content: 1 pc
Price: $ 940.34
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ID: 719794
Weight: 0.89ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 7.48
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ID: 538011
Weight: 0.93ct
Size: 8.9 x 3.9 mm
Clarity: VS
Content: 1 pc
Price: $ 84.71
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ID: 643661
Weight: 1.89ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.88
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ID: 496767
Weight: 2.25ct
Size: 8.9 x 7.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 59.40
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ID: 554876
Weight: 1.41ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.92
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ID: 449743
Weight: 2.85ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 18.82
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ID: 731715
Weight: 3.47ct
Size: 10.4 x 8.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 7.08
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ID: 554639
Weight: 0.97ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Price: $ 7.68
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ID: 599852
Weight: 50.64ct
Size: 38.6 x 22.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.16
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ID: 365072
Weight: 1.29ct
Size: 13.4 x 3.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 33.97
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ID: 353347
Weight: 6.53ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS-SI
Content: 10 pcs
Price: $ 114.93
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ID: 494700
Weight: 15.10ct
Size: 23.6 x 18.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 56.40
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ID: 384377
Weight: 1.58ct
Size: 20.7 x 3.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 40.25
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ID: 645375
Weight: 10.98ct
Size: 15.6 x 13.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 54.29
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ID: 462433
Weight: 6.08ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 40.13
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ID: 710253
Weight: 2.74ct
Size: 12.4 x 8.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 7.99
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ID: 454762
Weight: 29.27ct (total)
Size: 21.5 x 17.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 35.12
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ID: 387274
Weight: 2.60ct (total)
Size: 4.5 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 17.16
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ID: 393576
Weight: 3.29ct
Size: 9 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 21.72
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ID: 689605
Weight: 2.24ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 67.20
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ID: 709787
Weight: 1.40ct
Size: 18 x 5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 4.08
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ID: 466862
Weight: 0.53ct
Size: 8.2 x 4.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 38.48
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ID: 341964
Weight: 4.00ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 38.81
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ID: 705853
Weight: 0.75ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS
Price: $ 6.30
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ID: 715689
Weight: 1.70ct
Size: 12.3 x 5.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 90.10
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ID: 450664
Weight: 7.31ct
Size: 13.9 x 10.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 67.55
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ID: 690241
Weight: 71.45ct
Size: 33 x 27.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 66.00
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ID: 521206
Weight: 47.12ct
Size: 37.9 x 22.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 237.60
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ID: 712907
Weight: 1.94ct
Size: 8.4 x 6.8 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 46.56
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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

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

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

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Had no difficulty with the website. The only difficulty I had today was making the choice of what I wanted to purchase. There are just so many delicious stones to choose from!!

Posted By Desertchick in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones..

Posted By Steven M. in February, 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

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
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

This was a great time as always. The only problem I had was deciding between all the beautiful and affordable stones that met my requirements. I love shopping for sapphires!

Posted By Phoenix in August, 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

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

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

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Had no difficulty with the website. The only difficulty I had today was making the choice of what I wanted to purchase. There are just so many delicious stones to choose from!!

Posted By Desertchick in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones..

Posted By Steven M. in February, 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

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
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

This was a great time as always. The only problem I had was deciding between all the beautiful and affordable stones that met my requirements. I love shopping for sapphires!

Posted By Phoenix in August, 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