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

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ID: 720107
Weight: 0.76ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 6.38
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ID: 730019
Weight: 1.04ct
Size: 10.3 x 4 mm
Clarity: VS
Content: 1 pc
Price: $ 62.40
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ID: 473946
Weight: 0.64ct
Size: 7.8 x 4.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 46.46
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ID: 688112
Weight: 9.10ct
Size: 22.9 x 12.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.87
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ID: 410274
Weight: 5.61ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 37.03
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ID: 394760
Weight: 5.12ct
Size: 11 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 33.79
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ID: 686773
Weight: 0.40ct
Size: 4.1 x 3.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 33.60
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ID: 490265
Weight: 1.51ct
Size: 6.8 x 6.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 124.38
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ID: 503060
Weight: 2.49ct (total)
Size: 4.2 x 3.1 mm
Clarity: VS
Content: 15 pcs
Price: $ 164.34
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ID: 462005
Weight: 3.99ct (total)
Size: 12 x 6 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 47.56
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ID: 594721
Weight: 0.93ct
Size: 5.2 x 5.2 mm
Clarity: SI
Content: 1 pc
Price: $ 22.09
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ID: 551888
Weight: 1.26ct
Size: 7.5 x 4.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.74
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ID: 395220
Weight: 4.31ct
Size: 10 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 25.86
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ID: 727863
Weight: 2.41ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 5.78
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ID: 310961
Weight: 2.70ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 168.58
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ID: 453760
Weight: 4.10ct
Size: 13.1 x 8.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 37.88
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ID: 612895
Weight: 0.93ct
Size: 7.4 x 4.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.31
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ID: 437073
Weight: 1.59ct
Size: 6.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.98
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ID: 445139
Weight: 12.27ct
Size: 15 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 406.20
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ID: 692693
Weight: 34.32ct
Size: 28.9 x 20.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.59
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ID: 414403
Weight: 11.73ct
Size: 14 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 309.67
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ID: 415977
Weight: 1.50ct
Size: 22.7 x 2.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 47.52
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ID: 464342
Weight: 2.54ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 23.47
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ID: 726076
Weight: 0.94ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 37.24
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ID: 572193
Weight: 3.01ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.82
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ID: 700594
Weight: 0.56ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Price: $ 5.38
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ID: 594081
Weight: 1.45ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 28.93
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ID: 537570
Weight: 1.65ct
Size: 10.3 x 4.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 150.29
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ID: 635844
Weight: 1.80ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 47.52
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ID: 683144
Weight: 0.20ct
Size: 3.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 114.64
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ID: 451188
Weight: 1.47ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 13.58
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ID: 431570
Weight: 1.42ct
Size: 6.4 x 6.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 33.74
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ID: 414561
Weight: 9.58ct
Size: 12 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 63.23
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ID: 645442
Weight: 10.90ct
Size: 16.4 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.16
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ID: 602191
Weight: 7.92ct
Size: 14 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.48
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ID: 544458
Weight: 0.74ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 33.12
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ID: 553696
Weight: 1.48ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 8.92
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ID: 719353
Weight: 3.21ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 96.30
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ID: 481866
Weight: 1.93ct (total)
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 122.62
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ID: 698527
Weight: 2.95ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 24.78
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ID: 405226
Weight: 6.14ct
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 43.28
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ID: 409968
Weight: 2.29ct (total)
Size: 6.6 x 4.5 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 10.94
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ID: 684484
Weight: 25.23ct
Size: 27.2 x 17.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.13
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ID: 675232
Weight: 10.99ct (total)
Size: 14.2 x 10.5 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 65.94
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ID: 499184
Weight: 1.81ct
Size: 11.6 x 5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 358.38
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ID: 369617
Weight: 7.98ct
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 34.14
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ID: 718115
Weight: 0.02ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.00
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ID: 479412
Weight: 2.42ct (total)
Size: 10.2 x 5.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 25.56
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ID: 721886
Weight: 16.21ct
Size: 19.4 x 12.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.45
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ID: 416282
Weight: 1.22ct
Size: 16.1 x 3 mm
Clarity: VS
Content: 1 pc
Price: $ 35.14
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ID: 342038
Weight: 5.06ct (total)
Size: 4.2 x 4.1 mm
Clarity: VS
Content: 10 pcs
Price: $ 46.75
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ID: 684424
Weight: avg. 0.52 ct / each
Size: 5 x 4 mm (calibrated)
Clarity: VS
Price: $ 15.68
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ID: 433891
Weight: 2.69ct
Size: 10 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.85
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ID: 707837
Weight: 5.44ct
Size: 13.6 x 10 mm
Clarity: Transparent
Content: 1 pc
Price: $ 39.17
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ID: 694206
Weight: 0.90ct
Size: 9.8 x 3.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 27.00
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ID: 708632
Weight: 4.25ct
Size: 13.2 x 10.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 107.27
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ID: 512021
Weight: 16.50ct
Size: 23.9 x 17 mm
Clarity: Translucent
Content: 1 pc
Price: $ 23.75
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ID: 395815
Weight: 9.46ct
Size: 11 x 11 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 463.54
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ID: 554174
Weight: 6.42ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 48.65
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ID: 418635
Weight: 5.76ct
Size: 16.7 x 10.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 11.40
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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

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D 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 -> 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 -> 10 star ratings

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I did not have any problems

Posted By Clilrichard in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I like the way your website shows us what stone were buying as well the easy way to navigate the site. also knowing the stones are real...

Posted By RED in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Helpselect accomplished all personal growth goals

Posted By Mike 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

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D 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 -> 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 -> 10 star ratings

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I did not have any problems

Posted By Clilrichard in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I like the way your website shows us what stone were buying as well the easy way to navigate the site. also knowing the stones are real...

Posted By RED in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Helpselect accomplished all personal growth goals

Posted By Mike 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