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

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ID: 332956
Weight: 15.52ct
Size: 18.9 x 12.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 24.58
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ID: 486841
Weight: 41.94ct
Size: 34 x 28 mm
Clarity: Opaque
Content: 1 pc
Price: $ 27.68
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ID: 485187
Weight: 17.37ct
Size: 21.5 x 21.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 45.85
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ID: 409416
Weight: 7.69ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 36.65
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ID: 701105
Weight: 0.88ct
Size: 5.4 x 5.3 mm
Clarity: VS
Content: 1 pc
Price: $ 37.91
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ID: 388265
Weight: 2.68ct (total)
Size: 4.5 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 17.69
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ID: 687820
Weight: 17.64ct
Size: 22.8 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 52.07
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ID: 543843
Weight: 2.25ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.86
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ID: 386342
Weight: 11.00ct
Size: 19.9 x 11.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 39.60
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ID: 689922
Weight: 1.22ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 11.71
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ID: 667060
Weight: 1.92ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 39.37
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ID: 326260
Weight: 23.66ct
Size: 21.2 x 18.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 78.08
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ID: 696217
Weight: 21.06ct
Size: 31.9 x 18.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.64
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ID: 499416
Weight: 2.10ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 8.32
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ID: 605871
Weight: 27.56ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 254.65
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ID: 363102
Weight: 7.61ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 50.23
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ID: 543867
Weight: 1.02ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.42
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ID: 673699
Weight: 1.13ct
Size: 9.3 x 6.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 39.55
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ID: 705001
Weight: 26.42ct
Size: 39.8 x 9.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 6.34
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ID: 695156
Weight: 2.58ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.12
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ID: 484959
Weight: 37.57ct
Size: 41.6 x 16.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 37.19
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ID: 561757
Weight: 4.60ct
Size: 12 x 10 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 242.88
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ID: 680950
Weight: 0.88ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 26.40
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ID: 560543
Weight: 5.06ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 46.75
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ID: 701515
Weight: 2.08ct (total)
Size: 7.8 x 5.6 mm
Clarity: VS
Content: 2 pcs
Price: $ 99.84
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ID: 422987
Weight: 91.64ct (total)
Size: 13 mm (calibrated)
Clarity: Opaque
Content: 6 pcs
Price: $ 96.77
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ID: 456768
Weight: 1.76ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 16.26
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ID: 711504
Weight: 2.47ct
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.58
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ID: 451059
Weight: 1.52ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 14.04
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ID: 635650
Weight: 1.58ct
Size: 8.8 x 6.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 45.50
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ID: 308203
Weight: 1.65ct
Size: 12 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 93.66
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ID: 663075
Weight: 0.63ct
Size: 6.1 x 5.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 9.36
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ID: 720320
Weight: 1.06ct
Size: 5.5 x 5.4 mm
Clarity: VS
Content: 1 pc
Price: $ 102.02
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ID: 395232
Weight: 3.50ct
Size: 9 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 23.10
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ID: 603089
Weight: 7.34ct
Size: 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 96.89
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ID: 465404
Weight: 3.88ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 33.95
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ID: 368469
Weight: 2.91ct
Size: 9.5 x 7.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 19.04
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ID: 480642
Weight: 2.32ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 16.54
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ID: 707088
Weight: 2.66ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.38
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ID: 409582
Weight: 10.95ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 52.18
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ID: 688637
Weight: 1.11ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 10.66
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ID: 686758
Weight: 0.30ct
Size: 5 x 3 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 14.40
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ID: 406687
Weight: 11.05ct
Size: 14.9 x 11.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 43.76
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ID: 420269
Weight: 12.72ct
Size: 19.1 x 14.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 33.58
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ID: 595226
Weight: 7.05ct (total)
Size: 10 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 93.06
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ID: 697642
Weight: 27.42ct
Size: 25.4 x 18.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.76
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ID: 397377
Weight: 9.02ct
Size: 12 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 59.53
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ID: 730816
Weight: 12.58ct (total)
Size: 19 x 12.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 8.60
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ID: 590854
Weight: 24.02ct
Size: 23.2 x 18.9 mm
Clarity: VS
Content: 1 pc
Price: $ 158.53
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ID: 431355
Weight: 2.60ct (total)
Size: 4.8 x 4.8 mm
Clarity: VS
Content: 4 pcs
Price: $ 27.42
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ID: 344393
Weight: 59.07ct
Size: 26.9 x 20.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 105.25
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ID: 484998
Weight: 31.18ct
Size: 39.6 x 15 mm
Clarity: Translucent
Content: 1 pc
Price: $ 30.86
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ID: 476913
Weight: 11.70ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 42.12
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ID: 656729
Weight: 3.72ct (total)
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 7.86
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ID: 616841
Weight: 0.82ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 59.53
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ID: 342026
Weight: 3.90ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 36.04
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ID: 414721
Weight: 12.34ct
Size: 15 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 325.78
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ID: 670807
Weight: 0.41ct
Size: 4.7 x 3.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 14.76
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ID: 474107
Weight: 1.76ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 16.26
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ID: 689783
Weight: 0.65ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 19.50
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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

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

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 -> 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

I found the website easy to work with. The gemstones are lovely.

Posted By Sophie-Tiger in September, 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

I love the quality, package and info of your gems.

Posted By Diana in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have been buying gems for several years off and on and love their selection and great low prices. I started out wanting to get an example of each type of gem but after looking at all the types of gems and reading about them I realize it is almost impossible for me to do. It took me years just to read about them all. Gem Select is the best gem site you can find. For information or to buy. Steve M.

Posted By Stevee M. in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have ordered from Genselect before and always had a great experience. My go to source!

Posted By Kycaver in October, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

Loved the lot buy options

Posted By BDG in October, 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

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

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 -> 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

I found the website easy to work with. The gemstones are lovely.

Posted By Sophie-Tiger in September, 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

I love the quality, package and info of your gems.

Posted By Diana in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have been buying gems for several years off and on and love their selection and great low prices. I started out wanting to get an example of each type of gem but after looking at all the types of gems and reading about them I realize it is almost impossible for me to do. It took me years just to read about them all. Gem Select is the best gem site you can find. For information or to buy. Steve M.

Posted By Stevee M. in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have ordered from Genselect before and always had a great experience. My go to source!

Posted By Kycaver in October, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

Loved the lot buy options

Posted By BDG in October, 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