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

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ID: 397511
Weight: 10.63ct
Size: 13 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 70.16
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ID: 460045
Weight: 4.49ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 41.48
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ID: 582950
Weight: 1.00ct
Size: 7.6 x 6 mm
Clarity: VS
Content: 1 pc
Price: $ 52.80
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ID: 658435
Weight: 28.73ct
Size: 22.9 x 22.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.06
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ID: 331763
Weight: 12.11ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 79.93
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ID: 491624
Weight: 12.11ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 32.26
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ID: 721950
Weight: 0.61ct
Size: 8 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 10.98
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ID: 535774
Weight: 3.26ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 25.82
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ID: 697707
Weight: 0.36ct
Size: 3.8 mm
Clarity: VS
Content: 1 pc
Price: $ 7.78
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ID: 663465
Weight: 0.90ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Price: $ 7.56
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ID: 597432
Weight: 24.30ct
Size: 20.8 x 15.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.96
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ID: 366298
Weight: 1.14ct
Size: 7.8 x 5.6 mm
Clarity: VS
Content: 1 pc
Price: $ 160.15
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ID: 458233
Weight: 1.42ct (total)
Size: 4.5 x 3.7 mm
Clarity: VS
Content: 4 pcs
Price: $ 187.44
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ID: 448647
Weight: 14.48ct
Size: 21.1 x 14.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 47.78
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ID: 716370
Weight: 1.61ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.46
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ID: 497746
Weight: 3.11ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 21.48
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ID: 688217
Weight: 3.35ct (total)
Size: 10.2 x 9.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 9.89
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ID: 704558
Weight: 1.75ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 52.50
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ID: 711291
Weight: 5.11ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 73.58
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ID: 685284
Weight: 12.00ct
Size: 14 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.28
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ID: 721528
Weight: 0.58ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 10.44
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ID: 475853
Weight: 4.50ct
Size: 12.4 x 9.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 23.76
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ID: 691435
Weight: 1.06ct
Size: 11.4 x 5.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 57.24
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ID: 434547
Weight: 1.64ct
Size: 6.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 43.30
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ID: 721754
Weight: 62.71ct
Size: 46.4 x 25.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 75.25
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ID: 710391
Weight: 4.62ct
Size: 14 x 14 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.48
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ID: 700543
Weight: 1.35ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 12.96
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ID: 710206
Weight: 1.17ct
Size: 11.1 x 5.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 3.41
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ID: 570033
Weight: 2.59ct
Size: 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 19.08
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ID: 707993
Weight: 4.89ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 8.10
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ID: 311795
Weight: 1.46ct
Size: 11 x 7.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 77.09
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ID: 451019
Weight: 1.40ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 12.94
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ID: 400168
Weight: 7.15ct (total)
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 23.59
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ID: 711045
Weight: 14.14ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 25.45
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ID: 707187
Weight: 3.23ct
Size: 10.8 x 8.2 mm
Clarity: VS
Content: 1 pc
Price: $ 31.01
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ID: 554441
Weight: 1.38ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 41.57
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ID: 689916
Weight: 1.00ct
Size: 9.2 x 5 mm
Clarity: VS
Content: 1 pc
Price: $ 9.60
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ID: 350504
Weight: 2.66ct (total)
Size: 3 x 3 mm (calibrated)
Clarity: Transparent
Content: 20 pcs
Price: $ 60.74
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ID: 704393
Weight: 0.91ct
Size: 10.3 x 3.8 mm
Clarity: VS
Content: 1 pc
Price: $ 29.90
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ID: 499251
Weight: 1.71ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 30.71
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ID: 681878
Weight: 10.03ct
Size: 22.4 x 11 mm
Clarity: Transparent
Content: 1 pc
Price: $ 96.29
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ID: 728217
Weight: 2.96ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 7.10
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ID: 418359
Weight: 8.30ct
Size: 15.6 x 11.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 16.44
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ID: 565661
Weight: 2.86ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 18.88
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ID: 393601
Weight: 5.94ct
Size: 11 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 39.20
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ID: 654644
Weight: 1.98ct
Size: 15 x 4.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 16.63
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ID: 700154
Weight: 10.81ct
Size: 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.38
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ID: 546508
Weight: 2.39ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 37.86
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ID: 730076
Weight: 0.80ct
Size: 10.2 x 3.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 48.00
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ID: 401426
Weight: 9.84ct
Size: 12.6 x 12.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 32.47
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ID: 346570
Weight: 4.48ct
Size: 12.2 x 7.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 3,010.56
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ID: 393962
Weight: 30.17ct
Size: 27.9 x 21.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.83
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ID: 557206
Weight: 1.68ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 14.06
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ID: 724702
Weight: 0.26ct
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 43.68
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ID: 521735
Weight: 38.11ct
Size: 39.7 x 28.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.72
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ID: 727237
Weight: 0.80ct
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 14.40
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ID: 711968
Weight: 1.43ct
Size: 9 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 3.80
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ID: 447514
Weight: 2.37ct
Size: 8.4 x 6.8 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 112.44
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ID: 684556
Weight: 1.12ct
Size: 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 1.61
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ID: 694684
Weight: 0.32ct
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 11.52
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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 love gemstones. My father was a jeweler & I used to shop for stones for him.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I did not have any problems

Posted By Clilrichard in January, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Okay thank you.

Posted By Bepc61 in March, 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 enjoy doing buisness with GemSelect. It is always a pleasure and you get what you ordered!

Posted By Ballpark in December, 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 -> 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 -> 10 star ratings

This is a wonderful website

Posted By Bryan Diaz in September, 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 love gemstones. My father was a jeweler & I used to shop for stones for him.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I did not have any problems

Posted By Clilrichard in January, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Okay thank you.

Posted By Bepc61 in March, 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 enjoy doing buisness with GemSelect. It is always a pleasure and you get what you ordered!

Posted By Ballpark in December, 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 -> 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 -> 10 star ratings

This is a wonderful website

Posted By Bryan Diaz in September, 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