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

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ID: 517060
Weight: 19.34ct
Size: 25.4 x 12.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.72
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ID: 718669
Weight: 8.18ct
Size: 13.3 x 11.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 4.22
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ID: 429719
Weight: 3.25ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 64.36
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ID: 576867
Weight: 6.92ct
Size: 17.6 x 11.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 9.68
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ID: 390549
Weight: 1.64ct (total)
Size: 5 x 3.1 mm
Clarity: VS
Content: 6 pcs
Price: $ 105.56
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ID: 470011
Weight: 14.19ct
Size: 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 19.67
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ID: 542762
Weight: 0.79ct
Size: 6.4 x 5 mm
Clarity: VS
Content: 1 pc
Price: $ 35.23
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ID: 481488
Weight: 76.15ct
Size: 35.3 x 23.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 54.28
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ID: 734813
Weight: 3.08ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 18.48
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ID: 734703
Weight: 3.23ct (total)
Size: 9.9 x 4.9 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 135.66
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ID: 718454
Weight: 0.07ct (total)
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 67.20
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ID: 447312
Weight: 7.76ct
Size: 15.1 x 11.9 mm
Clarity: VS
Content: 1 pc
Price: $ 232.43
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ID: 718300
Weight: 0.02ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.00
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ID: 461737
Weight: 1.51ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 70.48
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ID: 650440
Weight: 22.94ct
Size: 30.1 x 19.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 64.69
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ID: 615234
Weight: 1.41ct
Size: 6.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 35.36
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ID: 479538
Weight: 2.41ct (total)
Size: 10 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 25.45
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ID: 639730
Weight: 0.52ct
Size: 4.3 x 4.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 3.64
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ID: 706917
Weight: 1.32ct
Size: 10 x 5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 3.17
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ID: 682712
Weight: 0.27ct (total)
Size: 3 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 154.75
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ID: 657618
Weight: 1.34ct
Size: 6 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 1.61
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ID: 645837
Weight: 43.56ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 135.91
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ID: 578241
Weight: 0.89ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 46.99
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ID: 401358
Weight: 18.19ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 32.75
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ID: 418147
Weight: 11.27ct (total)
Size: 15.3 x 10.9 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 22.31
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ID: 423557
Weight: 4.22ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 44.57
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ID: 488631
Weight: 1.85ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 48.72
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ID: 721590
Weight: 18.02ct
Size: 17.1 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.62
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ID: 551313
Weight: 2.87ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 25.91
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ID: 415990
Weight: 1.12ct
Size: 12.2 x 3.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 35.48
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ID: 464244
Weight: 3.90ct (total)
Size: 3.9 x 3.8 mm
Clarity: VS
Content: 10 pcs
Price: $ 36.04
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ID: 470846
Weight: 7.06ct
Size: 7.6 x 8.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 326.17
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ID: 732544
Weight: 6.03ct
Size: 13 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 217.08
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ID: 664588
Weight: 1.21ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 13.07
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ID: 478538
Weight: 0.51ct
Size: 5.2 x 4.1 mm
Clarity: VS
Content: 1 pc
Price: $ 21.56
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ID: 372549
Weight: 1.77ct
Size: 9.8 x 6.2 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 11.69
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ID: 650723
Weight: 1.67ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 14.03
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ID: 730817
Weight: 11.97ct (total)
Size: 20.4 x 11.9 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 8.18
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ID: 678405
Weight: 26.37ct (total)
Size: 28.2 x 13 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 63.29
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ID: 474847
Weight: 38.06ct
Size: 35.9 x 24.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 50.24
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ID: 476797
Weight: 30.33ct
Size: 18.3 x 16 mm
Clarity: Opaque
Content: 1 pc
Price: $ 120.11
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ID: 730095
Weight: 0.20ct
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 9.60
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ID: 476567
Weight: 5.37ct
Size: 15 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 49.62
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ID: 474527
Weight: 2.66ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 5 pcs
Price: $ 87.78
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ID: 712842
Weight: 1.50ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 29.95
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ID: 409560
Weight: 7.61ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 36.26
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ID: 520348
Weight: 1.38ct
Size: 10.1 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 76.51
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ID: 734698
Weight: 31.31ct
Size: 22.3 x 17.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 300.58
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ID: 571926
Weight: 1.30ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 37.44
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ID: 698907
Weight: 0.96ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 8.06
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ID: 683367
Weight: 7.39ct
Size: 13.4 x 11.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 68.46
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ID: 736396
Weight: 1.07ct
Size: 8.2 x 7.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 7.49
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ID: 582753
Weight: 5.51ct
Size: 13 x 10.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 29.09
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ID: 619996
Weight: 8.74ct (total)
Size: 12 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 23.08
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ID: 689127
Weight: 0.96ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 9.22
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ID: 650585
Weight: 3.17ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 20.16
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ID: 728047
Weight: 1.10ct
Size: 6.9 x 5.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 6.60
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ID: 528146
Weight: 4.27ct
Size: 12.2 x 8.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 30.89
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ID: 715406
Weight: 0.30ct
Size: 4.7 x 4.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 19.08
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ID: 603843
Weight: 1.67ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 48.49
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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

Good shopping experience. Website is relatively easy to use. Prices are good.

Posted By Bleep in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Good products

Posted By Brave in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight in March, 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 -> 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

Good. I ts very user friendly.

Posted By Shalini in June, 2025
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 -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
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

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

Good shopping experience. Website is relatively easy to use. Prices are good.

Posted By Bleep in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Good products

Posted By Brave in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight in March, 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 -> 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

Good. I ts very user friendly.

Posted By Shalini in June, 2025
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 -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
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

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