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

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ID: 511638
Weight: 1.37ct
Size: 7.3 x 6 mm
Clarity: VS
Content: 1 pc
Price: $ 25.61
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ID: 503798
Weight: 5.80ct
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 22.97
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ID: 479461
Weight: 1.97ct (total)
Size: 10 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 20.81
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ID: 678670
Weight: 12.53ct
Size: 17.8 x 13.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 75.18
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ID: 685868
Weight: 1.09ct
Size: 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 20.06
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ID: 382945
Weight: 11.71ct
Size: 16.6 x 14 mm
Clarity: Translucent
Content: 1 pc
Price: $ 46.37
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ID: 720037
Weight: 3.88ct
Size: 9.1 x 7.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 116.40
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ID: 435843
Weight: 2.29ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.12
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ID: 363106
Weight: 7.44ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 49.10
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ID: 705306
Weight: 0.23ct
Size: 3.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 9.38
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ID: 565524
Weight: 1.80ct
Size: 7 x 7 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 40.93
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ID: 497503
Weight: 1.86ct
Size: 8.3 x 6.9 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 49.10
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ID: 730367
Weight: 0.24ct
Size: 4.6 x 3.2 mm
Clarity: VS
Content: 1 pc
Price: $ 11.52
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ID: 720601
Weight: 2.84ct (total)
Size: 7.2 x 5.3 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 273.36
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ID: 496503
Weight: 1.99ct
Size: 8.5 x 7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 41.47
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ID: 485171
Weight: 22.60ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 55.31
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ID: 648260
Weight: 1.16ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 30.62
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ID: 707148
Weight: 1.11ct
Size: 9.4 x 4.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 2.66
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ID: 395022
Weight: 3.36ct
Size: 9.6 x 9.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 22.18
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ID: 504878
Weight: 0.60ct
Size: 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 36.00
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ID: 346086
Weight: 14.35ct
Size: 16.6 x 14.9 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 24.64
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ID: 603062
Weight: 1.97ct
Size: 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 26.00
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ID: 656092
Weight: 11.83ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 18.46
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ID: 526860
Weight: 0.95ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.78
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ID: 711731
Weight: 20.63ct
Size: 20.5 x 16.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 37.14
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ID: 376591
Weight: 2.69ct
Size: 8.9 x 7.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 20.90
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ID: 508541
Weight: 2.91ct
Size: 14.7 x 4.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 268.88
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ID: 708309
Weight: 5.63ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 7.77
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ID: 479438
Weight: 4.35ct (total)
Size: 10 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 45.94
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ID: 714092
Weight: 1.69ct (total)
Size: 5.3 mm
Clarity: SI
Content: 2 pcs
Price: $ 50.70
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ID: 648934
Weight: 12.81ct
Size: 14.2 x 11.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 30.74
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ID: 640008
Weight: 0.42ct
Size: 5.5 x 3.8 mm
Clarity: VS
Content: 1 pc
Price: $ 22.18
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ID: 390894
Weight: 2.91ct
Size: 11.4 x 8.5 mm
Clarity: VS
Content: 1 pc
Price: $ 96.04
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ID: 638597
Weight: 62.72ct
Size: 28.6 x 24.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 526.85
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ID: 542542
Weight: 0.93ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.82
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ID: 627986
Weight: 1.17ct
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 21.50
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ID: 475001
Weight: 1.80ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 16.63
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ID: 396312
Weight: 4.68ct
Size: 9 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 229.50
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ID: 663383
Weight: 1.77ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 33.98
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ID: 518933
Weight: 1.56ct
Size: 10.9 x 4.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 123.55
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ID: 693542
Weight: 210.16ct
Size: 67.3 x 61.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 126.10
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ID: 720344
Weight: 1.46ct
Size: 7.2 x 6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 140.53
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ID: 548002
Weight: 0.94ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 310.20
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ID: 428386
Weight: 10.01ct (total)
Size: 13 x 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 66.07
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ID: 661822
Weight: 1.90ct
Size: 7 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.58
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ID: 631677
Weight: 0.97ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 29.10
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ID: 534119
Weight: 1.60ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.78
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ID: 711724
Weight: 20.93ct
Size: 22.7 x 15 mm
Clarity: Opaque
Content: 1 pc
Price: $ 37.68
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ID: 473788
Weight: 0.91ct
Size: 9.5 x 5.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 66.07
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ID: 695148
Weight: 10.69ct
Size: 24.3 x 13.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 10.69
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ID: 479050
Weight: 2.17ct (total)
Size: 10 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 22.92
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ID: 534197
Weight: 1.53ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 14.14
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ID: 537519
Weight: 1.10ct
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 32.54
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ID: 667108
Weight: 1.62ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 33.23
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ID: 525352
Weight: 1.47ct
Size: 7 x 6.6 mm
Clarity: VS
Content: 1 pc
Price: $ 271.66
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ID: 522167
Weight: 32.53ct
Size: 29 x 17.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 42.55
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ID: 372550
Weight: 1.64ct
Size: 8.4 x 6.1 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 10.82
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ID: 687821
Weight: 7.28ct
Size: 18.9 x 10.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.91
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ID: 396355
Weight: 14.89ct
Size: 32.9 x 16.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.44
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ID: 714089
Weight: 1.39ct (total)
Size: 5 mm (calibrated)
Clarity: SI
Content: 2 pcs
Price: $ 41.70
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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

It was very good and concise.

Posted By Whydothey in August, 2024
Source: Bizrate

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 -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mmThanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Okay thank you.

Posted By Bepc61 in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and convenient

Posted By Butch 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

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

Posted By Gem Delight 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 -> 10 star ratings

It was very good and concise.

Posted By Whydothey in August, 2024
Source: Bizrate

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 -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mmThanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Okay thank you.

Posted By Bepc61 in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and convenient

Posted By Butch 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

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

Posted By Gem Delight 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