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

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ID: 491747
Weight: 17.71ct (total)
Size: 19.8 x 10.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 17.00
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ID: 513227
Weight: 6.69ct
Size: 13 mm (calibrated)
Clarity: VVS
Price: $ 26.50
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ID: 701959
Weight: 7.07ct
Size: 13 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 42.42
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ID: 636196
Weight: 1.50ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 43.20
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ID: 673739
Weight: 25.43ct
Size: 26.7 x 15.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 457.74
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ID: 358509
Weight: 6.66ct
Size: 18.2 x 9.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 53.71
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ID: 410046
Weight: 5.52ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 36.43
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ID: 603172
Weight: 3.72ct
Size: 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 49.10
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ID: 485277
Weight: 5.53ct (total)
Size: 10.4 x 10.1 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 29.20
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ID: 475366
Weight: 5.04ct
Size: 15 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 46.57
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ID: 434045
Weight: 34.97ct
Size: 30.2 x 18.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 46.16
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ID: 634868
Weight: 0.95ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 17.10
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ID: 391028
Weight: 1.18ct
Size: 20 x 2.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 34.27
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ID: 598637
Weight: 2.19ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 144.54
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ID: 709313
Weight: 20.88ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 75.17
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ID: 694539
Weight: 32.16ct
Size: 36.7 x 24.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.73
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ID: 692652
Weight: 13.33ct
Size: 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 111.97
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ID: 697611
Weight: 0.69ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 4.14
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ID: 494207
Weight: 4.38ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 31.39
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ID: 707896
Weight: 2.47ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.09
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ID: 385252
Weight: 7.95ct
Size: 23.3 x 12.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 71.57
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ID: 696559
Weight: 15.49ct
Size: 18.7 x 17.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 27.89
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ID: 706435
Weight: 22.91ct
Size: 18.6 x 17.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 46.74
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ID: 658702
Weight: 18.51ct
Size: 21.9 x 14.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 27.10
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ID: 734811
Weight: 4.31ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 25.86
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ID: 334294
Weight: 17.46ct
Size: 18 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 28.12
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ID: 424060
Weight: 4.85ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 51.22
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ID: 712828
Weight: 17.69ct
Size: 21.2 x 16.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 148.60
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ID: 664141
Weight: 1.16ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Price: $ 9.74
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ID: 475862
Weight: 23.68ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 22.73
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ID: 521412
Weight: 44.57ct
Size: 32 x 26.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 224.75
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ID: 364002
Weight: 18.80ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 37.22
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ID: 545330
Weight: 2.67ct
Size: 8.2 x 7.3 mm
Clarity: SI
Content: 1 pc
Price: $ 243.18
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ID: 308898
Weight: 9.91ct (total)
Size: 10 x 7 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 36.64
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ID: 358400
Weight: 3.79ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 25.02
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ID: 567156
Weight: 5.31ct
Size: 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 16.06
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ID: 712172
Weight: 5.08ct (total)
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 13.54
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ID: 528901
Weight: 1.28ct
Size: 9.2 x 4.1 mm
Clarity: SI
Content: 1 pc
Price: $ 111.52
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ID: 382786
Weight: 21.11ct
Size: 23.5 x 17.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 41.80
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ID: 715718
Weight: 1.56ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 14.98
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ID: 567261
Weight: 0.54ct
Size: 4.5 mm (calibrated)
Clarity: VS-SI
Price: $ 16.39
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ID: 728040
Weight: 0.09ct
Size: 2.7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 37.12
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ID: 694237
Weight: 0.65ct
Size: 7.7 x 3.8 mm
Clarity: VS
Content: 1 pc
Price: $ 19.50
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ID: 727296
Weight: 0.32ct
Size: 4.9 x 3.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 13.44
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ID: 463157
Weight: 4.65ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 36.83
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ID: 517977
Weight: 2.37ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 21.90
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ID: 481911
Weight: 1.98ct (total)
Size: 4.2 x 3 mm
Clarity: VS
Content: 15 pcs
Price: $ 125.80
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ID: 430589
Weight: 6.76ct
Size: 14 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.58
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ID: 708510
Weight: 1.16ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 23.95
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ID: 411535
Weight: 1.04ct
Size: 6.1 x 4.5 mm
Clarity: VS
Content: 1 pc
Price: $ 56.33
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ID: 471588
Weight: 5.64ct
Size: 16.7 x 9.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 58.44
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ID: 456421
Weight: 2.56ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.65
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ID: 620765
Weight: 1.18ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 26.90
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ID: 439072
Weight: 10.99ct
Size: 19.3 x 12 mm
Clarity: Transparent
Content: 1 pc
Price: $ 26.24
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ID: 705606
Weight: 0.39ct
Size: 5 x 4 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 15.91
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ID: 697687
Weight: 0.44ct (total)
Size: 3.5 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 9.50
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ID: 451196
Weight: 1.37ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 12.66
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ID: 456632
Weight: 2.32ct
Size: 10 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 21.43
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ID: 394017
Weight: 47.70ct
Size: 32.8 x 22.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 62.96
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ID: 624228
Weight: 34.00ct
Size: 32.8 x 22.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.74
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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 -> 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

excellent deals-excellent service-fair prices

Posted By JD in April, 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 -> 9 star ratings

It is a good experience, it is easy to view the item, and easy to check out.

Posted By Neo in November, 2024
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 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

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

Posted By Jay in July, 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

Enjoyed shopping.

Posted By Chris in March, 2025
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 -> 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

excellent deals-excellent service-fair prices

Posted By JD in April, 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 -> 9 star ratings

It is a good experience, it is easy to view the item, and easy to check out.

Posted By Neo in November, 2024
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 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

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

Posted By Jay in July, 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

Enjoyed shopping.

Posted By Chris in March, 2025
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