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

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ID: 669549
Weight: 8.19ct
Size: 15.2 x 12.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 24.58
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ID: 599291
Weight: 6.60ct
Size: 14.3 x 10 mm
Clarity: Transparent
Content: 1 pc
Price: $ 31.63
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ID: 694831
Weight: 36.56ct
Size: 33.7 x 17.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.18
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ID: 368404
Weight: 3.28ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 21.48
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ID: 572771
Weight: 1.18ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 46.73
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ID: 648849
Weight: 6.20ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 11.16
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ID: 694402
Weight: 14.24ct
Size: 15 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 119.62
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ID: 502146
Weight: 1.87ct
Size: 10 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.81
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ID: 487960
Weight: 1.89ct (total)
Size: 8.1 x 5.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.98
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ID: 658681
Weight: 15.13ct
Size: 32.1 x 14.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 54.47
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ID: 734702
Weight: 3.88ct (total)
Size: 10 x 5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 162.96
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ID: 473501
Weight: 0.92ct
Size: 6.9 x 5.8 mm
Clarity: VS
Content: 1 pc
Price: $ 66.79
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ID: 498560
Weight: 4.72ct
Size: 12 x 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 43.61
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ID: 534117
Weight: 1.65ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.25
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ID: 609096
Weight: 2.35ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 77.56
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ID: 532519
Weight: 3.51ct
Size: 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 25.49
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ID: 283414
Weight: 1.08ct
Size: 7.1 x 5.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 106.92
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ID: 605610
Weight: 4.86ct
Size: 12 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 64.15
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ID: 706431
Weight: 5.59ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.40
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ID: 363519
Weight: 30.93ct
Size: 32.7 x 19.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 49.40
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ID: 730494
Weight: 0.78ct
Size: 4.9 x 4.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 46.80
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ID: 720602
Weight: 3.15ct (total)
Size: 7.3 x 6 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 303.19
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ID: 608497
Weight: 4.91ct (total)
Size: 14.1 x 7.1 mm
Clarity: VVS
Content: 2 pcs
Price: $ 45.37
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ID: 714383
Weight: 1.18ct (total)
Size: 4.3 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 35.40
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ID: 610147
Weight: 15.24ct (total)
Size: 20.9 x 12.7 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 20.11
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ID: 533871
Weight: 2.96ct (total)
Size: 8.2 x 6.3 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 27.35
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ID: 491484
Weight: 10.89ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 31.92
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ID: 497208
Weight: 26.48ct
Size: 33.4 x 15.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.02
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ID: 675791
Weight: 1.88ct
Size: 15.5 x 6.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 5.35
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ID: 387436
Weight: 3.12ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 20.59
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ID: 398599
Weight: 1.49ct
Size: 8.7 x 5 mm
Clarity: VVS
Content: 1 pc
Price: $ 93.53
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ID: 349575
Weight: 1.43ct
Size: 15.8 x 3.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.53
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ID: 568977
Weight: 2.43ct
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 48.31
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ID: 365540
Weight: 1.43ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 41.93
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ID: 338906
Weight: 1.37ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 30.74
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ID: 662845
Weight: 4.88ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.71
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ID: 431220
Weight: 2.80ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 29.53
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ID: 522431
Weight: 29.47ct
Size: 25.5 x 19.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 148.61
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ID: 668008
Weight: 9.31ct
Size: 14.9 x 12.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 55.86
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ID: 658370
Weight: 17.54ct
Size: 23 x 18.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.99
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ID: 691587
Weight: 37.32ct
Size: 36.1 x 23.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.28
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ID: 618770
Weight: 15.18ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 40.08
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ID: 694243
Weight: 0.86ct
Size: 12.9 x 3.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.80
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ID: 692151
Weight: 0.44ct
Size: 4 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.78
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ID: 496781
Weight: 2.63ct
Size: 9.1 x 7.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 69.43
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ID: 416425
Weight: 2.85ct
Size: 19.1 x 4.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 94.06
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ID: 328839
Weight: 19.37ct
Size: 20 x 15 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.67
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ID: 712320
Weight: 7.38ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 19.66
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ID: 737293
Weight: 2.03ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 91.35
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ID: 689792
Weight: 4.28ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 23.58
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ID: 423129
Weight: 33.23ct (total)
Size: 9 mm (calibrated)
Clarity: Transparent
Content: 6 pcs
Price: $ 43.86
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ID: 710839
Weight: 1.81ct
Size: 9 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.82
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ID: 489736
Weight: 2.58ct (total)
Size: 4.5 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 51.08
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ID: 479563
Weight: 2.32ct (total)
Size: 10.2 x 5.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 24.50
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ID: 543524
Weight: 0.65ct
Size: 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 17.62
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ID: 658250
Weight: 19.54ct
Size: 19.5 x 19.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 28.61
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ID: 733053
Weight: 0.34ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 2.86
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ID: 724953
Weight: 1.07ct
Size: 7.6 x 4 mm
Clarity: VS
Content: 1 pc
Price: $ 44.94
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ID: 686109
Weight: 3.41ct
Size: 9.5 x 7.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 4.09
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ID: 686517
Weight: 0.25ct
Size: 5.4 x 2.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 16.50
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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 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

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

This is a wonderful website

Posted By Bryan Diaz in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar

Posted By TheP in January, 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

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

I just bought some mystic quartz. Checkout was smooth and pleasant

Posted By Jay in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love browsing the site and everything is easy to find. There is just so much I get lost for hours. Sometimes I wish there were videos of some gems, but other than that I love shopping with GemSelect and I have referred the site to many people many times. I work in the jewelry industry myself and I love to show off what Ive had made with my gems from GemSelect! Thank you

Posted By Antennaesglow in July, 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

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

This is a wonderful website

Posted By Bryan Diaz in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar

Posted By TheP in January, 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

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

I just bought some mystic quartz. Checkout was smooth and pleasant

Posted By Jay in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love browsing the site and everything is easy to find. There is just so much I get lost for hours. Sometimes I wish there were videos of some gems, but other than that I love shopping with GemSelect and I have referred the site to many people many times. I work in the jewelry industry myself and I love to show off what Ive had made with my gems from GemSelect! Thank you

Posted By Antennaesglow in July, 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