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

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ID: 714218
Weight: 0.83ct
Size: 5.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 24.90
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ID: 498896
Weight: 1.67ct (total)
Size: 4.9 x 3.8 mm
Clarity: VS-SI
Content: 4 pcs
Price: $ 220.44
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ID: 691701
Weight: 0.95ct
Size: 6 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 57.00
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ID: 418629
Weight: 16.65ct (total)
Size: 13.7 x 9.7 mm
Clarity: Translucent
Content: 4 pcs
Price: $ 32.98
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ID: 663099
Weight: 1.42ct
Size: 7.5 x 6.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 8.52
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ID: 722788
Weight: 0.54ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Price: $ 16.20
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ID: 707748
Weight: 4.77ct
Size: 15.9 x 9.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 34.34
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ID: 365176
Weight: 1.49ct
Size: 16 x 3.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 39.24
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ID: 494327
Weight: 3.65ct (total)
Size: 10 x 7 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 13.06
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ID: 484031
Weight: 93.98ct
Size: 39.2 x 24.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 186.08
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ID: 596472
Weight: 20.00ct
Size: 21.4 x 14.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 176.35
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ID: 514785
Weight: 2.55ct
Size: 9.4 x 7.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 43.76
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ID: 704503
Weight: 32.99ct
Size: 36.4 x 10.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 7.92
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ID: 710782
Weight: 37.80ct
Size: 28.8 x 18.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 68.04
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ID: 644088
Weight: 3.23ct (total)
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 8.53
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ID: 510638
Weight: 1.37ct
Size: 8 x 5.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 58.91
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ID: 608437
Weight: 8.31ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 153.56
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ID: 446519
Weight: 8.12ct
Size: 15.1 x 11 mm
Clarity: Translucent
Content: 1 pc
Price: $ 26.80
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ID: 719775
Weight: 0.60ct
Size: 5 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 10.80
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ID: 643681
Weight: 1.38ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 33.12
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ID: 559415
Weight: 2.17ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 44.53
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ID: 478542
Weight: 0.80ct
Size: 5.6 x 4.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 33.83
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ID: 537520
Weight: 0.82ct
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 24.26
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ID: 706516
Weight: 8.59ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 17.52
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ID: 725620
Weight: 0.88ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 34.86
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ID: 537514
Weight: 1.15ct
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 34.02
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ID: 480795
Weight: 5.42ct (total)
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 38.64
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ID: 724757
Weight: 1.12ct (total)
Size: 6.6 x 4.8 mm
Clarity: VS
Content: 2 pcs
Price: $ 156.80
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ID: 724241
Weight: 14.41ct
Size: 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 17.12
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ID: 714108
Weight: 0.34ct
Size: 4 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 10.20
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ID: 342046
Weight: 4.16ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 38.44
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ID: 419910
Weight: 13.79ct
Size: 21.1 x 15.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 54.61
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ID: 563538
Weight: 0.82ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 18.40
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ID: 523673
Weight: 27.17ct
Size: 33.3 x 11.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 179.33
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ID: 708226
Weight: 3.04ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.04
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ID: 720390
Weight: 1.10ct
Size: 6.2 x 5.5 mm
Clarity: VS
Content: 1 pc
Price: $ 158.40
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ID: 438840
Weight: 2.81ct (total)
Size: 4.8 x 2.9 mm
Clarity: VS
Content: 10 pcs
Price: $ 55.08
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ID: 689356
Weight: 4.40ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 24.24
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ID: 695140
Weight: 48.97ct
Size: 44.6 x 26 mm
Clarity: Opaque
Content: 1 pc
Price: $ 58.76
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ID: 716144
Weight: 2.57ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.67
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ID: 592892
Weight: 0.56ct
Size: 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 29.00
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ID: 401450
Weight: 32.77ct
Size: 22.2 x 16.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 64.90
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ID: 713771
Weight: 0.85ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 14.28
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ID: 376692
Weight: 2.97ct
Size: 8.9 x 8.2 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 33.55
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ID: 492526
Weight: 5.44ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.35
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ID: 725762
Weight: 1.29ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 12.38
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ID: 492786
Weight: 5.22ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 37.76
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ID: 362043
Weight: 26.24ct
Size: 19.2 x 16.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 69.28
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ID: 711791
Weight: 1.49ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 29.75
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ID: 491590
Weight: 18.06ct (total)
Size: 18.1 x 9 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 21.22
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ID: 725218
Weight: 0.76ct
Size: 11 x 2.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 31.92
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ID: 700050
Weight: 0.69ct
Size: 7.3 x 4.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 6.62
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ID: 631600
Weight: 6.74ct
Size: 13 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 80.88
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ID: 727844
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
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ID: 730998
Weight: 11.86ct
Size: 18.6 x 14.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.10
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ID: 628052
Weight: 17.61ct
Size: 22.8 x 17.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 105.66
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ID: 644665
Weight: 1.15ct
Size: 7 x 5.4 mm
Clarity: VS
Content: 1 pc
Price: $ 27.60
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ID: 632711
Weight: 2.67ct
Size: 18.1 x 7.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 19.22
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ID: 376559
Weight: 3.74ct
Size: 10.6 x 8.8 mm
Clarity: Transparent/Translucent
Price: $ 34.56
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ID: 364383
Weight: 15.78ct
Size: 17.9 x 14.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 31.25
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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

So far, my experience was great...Thanks

Posted By Kaydi in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have bought many stones from GemsSelect and have been very satisfied with all!I will continue to buy and recommend this site!

Posted By DG in July, 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 love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I love the gems!

Posted By MM in April, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I love wide range of stones. Always have my preference.

Posted By Ray in April, 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 -> 10 star ratings

excellent deals-excellent service-fair prices

Posted By JD 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

So far, my experience was great...Thanks

Posted By Kaydi in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have bought many stones from GemsSelect and have been very satisfied with all!I will continue to buy and recommend this site!

Posted By DG in July, 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 love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I love the gems!

Posted By MM in April, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I love wide range of stones. Always have my preference.

Posted By Ray in April, 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 -> 10 star ratings

excellent deals-excellent service-fair prices

Posted By JD 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