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

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ID: 517108
Weight: 1.32ct
Size: 9.2 x 4.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 120.23
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ID: 640722
Weight: 1.87ct
Size: 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 53.86
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ID: 645554
Weight: 1.52ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 12.77
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ID: 602723
Weight: 1.53ct
Size: 7 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 45.90
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ID: 711955
Weight: 1.82ct
Size: 8 x 6.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 43.68
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ID: 390749
Weight: 2.40ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 5 pcs
Price: $ 155.05
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ID: 695056
Weight: 0.48ct
Size: 5 x 4 mm (calibrated)
Clarity: VS
Price: $ 17.28
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ID: 706729
Weight: 2.75ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.60
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ID: 685914
Weight: 21.91ct
Size: 32.3 x 17.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.83
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ID: 650030
Weight: 9.59ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 6.79
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ID: 657868
Weight: 0.89ct
Size: 6.4 x 4.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.27
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ID: 497501
Weight: 2.70ct
Size: 9.1 x 7.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 71.28
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ID: 312387
Weight: 2.88ct (total)
Size: 8 x 5 mm (calibrated)
Clarity: VVS
Content: 4 pcs
Price: $ 20.90
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ID: 676055
Weight: 6.16ct
Size: 14.5 x 13.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 36.96
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ID: 517099
Weight: 2.00ct
Size: 11.1 x 4.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 182.16
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ID: 719298
Weight: 0.95ct
Size: 5.9 x 4.7 mm
Clarity: VS
Content: 1 pc
Price: $ 17.10
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ID: 522189
Weight: 22.00ct
Size: 23.3 x 14.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 174.24
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ID: 586422
Weight: 1.61ct
Size: 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 106.26
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ID: 472829
Weight: 6.30ct
Size: 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 87.24
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ID: 691927
Weight: 0.71ct
Size: 5.2 x 4.6 mm
Clarity: VS
Content: 1 pc
Price: $ 59.64
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ID: 455383
Weight: 1.49ct
Size: 9.8 x 5.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.76
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ID: 709801
Weight: 1.43ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.62
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ID: 728168
Weight: 0.06ct
Size: 2.3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 24.74
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ID: 642273
Weight: 3.71ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 26.71
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ID: 600280
Weight: 18.09ct
Size: 18.6 x 16.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.61
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ID: 328843
Weight: 22.11ct
Size: 18 x 13 mm (calibrated)
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 35.02
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ID: 604666
Weight: 3.22ct (total)
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 85.01
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ID: 394930
Weight: 5.99ct
Size: 11 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 39.54
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ID: 648445
Weight: 2.12ct (total)
Size: 7.1 x 6 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 4.24
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ID: 464412
Weight: 3.80ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 35.11
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ID: 642909
Weight: 2.93ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 26.89
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ID: 656073
Weight: 1.57ct
Size: 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 2.45
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ID: 585893
Weight: 63.38ct
Size: 35.5 x 26.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 37.64
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ID: 553720
Weight: 2.18ct
Size: 9.2 x 6.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 49.26
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ID: 656153
Weight: 1.19ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.56
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ID: 685689
Weight: 2.12ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 39.02
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ID: 537151
Weight: 1.77ct (total)
Size: 6.6 x 4.7 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 7.01
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ID: 367382
Weight: 1.25ct
Size: 7.6 x 5.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 174.44
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ID: 693503
Weight: 3.37ct
Size: 10 x 6.4 mm
Clarity: VS
Content: 1 pc
Price: $ 111.73
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ID: 736598
Weight: 35.65ct
Size: 32.5 x 16.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 33.51
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ID: 492921
Weight: 4.89ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 35.38
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ID: 479067
Weight: 2.31ct (total)
Size: 10 x 5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 24.40
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ID: 464311
Weight: 4.06ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 34.10
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ID: 310826
Weight: 2.93ct (total)
Size: 4 mm (calibrated)
Clarity: SI
Content: 12 pcs
Price: $ 158.22
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ID: 674101
Weight: 16.67ct
Size: 24.3 x 12.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 300.06
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ID: 557732
Weight: 7.19ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 54.38
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ID: 480819
Weight: 3.46ct (total)
Size: 4.4 x 4.4 mm
Clarity: Translucent
Content: 8 pcs
Price: $ 31.97
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ID: 727363
Weight: 0.67ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 12.06
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ID: 586132
Weight: 11.47ct
Size: 14 x 14 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 75.71
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ID: 381877
Weight: 3.53ct (total)
Size: 3.5 mm (calibrated)
Clarity: VS
Content: 20 pcs
Price: $ 186.80
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ID: 451077
Weight: 1.38ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 12.76
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ID: 418231
Weight: 6.75ct
Size: 15 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 13.36
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ID: 318555
Weight: 3.30ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 159.72
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ID: 480220
Weight: 2.09ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 19.31
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ID: 679219
Weight: 12.31ct
Size: 25.9 x 17.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 73.86
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ID: 714139
Weight: 0.36ct
Size: 4 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 10.80
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ID: 686711
Weight: 9.74ct (total)
Size: 15.8 x 14.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 28.75
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ID: 502166
Weight: 2.44ct (total)
Size: 7 x 6.2 mm
Clarity: VS
Content: 4 pcs
Price: $ 19.32
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ID: 664684
Weight: 1.57ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 33.91
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ID: 465366
Weight: 4.36ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.16
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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 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

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. in February, 2025
Source: Bizrate

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

Ive been looking for a place to buy loose gemstones for years and was thrilled when I found this site

Posted By Bern in October, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

Site is easy to navigate - details on cut, polish, and finish work and techniques were helpful. 3d view or wireframe diagram of stones would be nice.

Posted By Tb in August, 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

Great site always looking for great deals and find them on this site

Posted By IRO5812 in July, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 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

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 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

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. in February, 2025
Source: Bizrate

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

Ive been looking for a place to buy loose gemstones for years and was thrilled when I found this site

Posted By Bern in October, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

Site is easy to navigate - details on cut, polish, and finish work and techniques were helpful. 3d view or wireframe diagram of stones would be nice.

Posted By Tb in August, 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

Great site always looking for great deals and find them on this site

Posted By IRO5812 in July, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 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

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