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

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ID: 418634
Weight: 5.15ct
Size: 16.3 x 10.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 10.19
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ID: 474921
Weight: 1.93ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.83
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ID: 724296
Weight: 3.76ct (total)
Size: 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 36.10
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ID: 736399
Weight: 2.03ct
Size: 8.9 x 8.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.21
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ID: 612314
Weight: 1.12ct
Size: 7.4 x 4.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 5.17
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ID: 705640
Weight: 24.61ct
Size: 22.9 x 14.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.74
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ID: 618792
Weight: 8.82ct
Size: 14 x 14 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 44.59
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ID: 394029
Weight: 44.26ct
Size: 43.1 x 24.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 58.43
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ID: 483532
Weight: 1.39ct
Size: 7 x 5.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 110.09
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ID: 736699
Weight: 1.80ct
Size: 8.5 x 8.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.60
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ID: 728041
Weight: 0.06ct
Size: 2.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 24.74
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ID: 416139
Weight: 1.45ct
Size: 16.7 x 3.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 45.94
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ID: 430209
Weight: 1.98ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 65.34
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ID: 479835
Weight: 4.28ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 39.55
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ID: 697061
Weight: 0.63ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Price: $ 3.78
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ID: 492213
Weight: 8.30ct
Size: 16.1 x 12.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 31.24
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ID: 696538
Weight: 8.32ct
Size: 15.8 x 11.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.98
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ID: 691483
Weight: 10.13ct
Size: 15.7 x 10.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 335.87
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ID: 453638
Weight: 2.49ct
Size: 12 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.00
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ID: 723478
Weight: 11.30ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.43
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ID: 517237
Weight: 9.39ct
Size: 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 35.82
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ID: 684486
Weight: 19.43ct
Size: 27.5 x 18.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.36
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ID: 730013
Weight: 0.73ct
Size: 7.5 x 3.5 mm
Clarity: VS
Content: 1 pc
Price: $ 43.80
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ID: 545195
Weight: 2.36ct (total)
Size: 8.2 x 6.3 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 17.59
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ID: 460474
Weight: 4.49ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 59.27
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ID: 380859
Weight: 1.05ct
Size: 8 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 69.30
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ID: 726014
Weight: 0.95ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 37.63
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ID: 522158
Weight: 35.11ct
Size: 28.1 x 17 mm
Clarity: Translucent
Content: 1 pc
Price: $ 50.52
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ID: 555598
Weight: 1.28ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 33.79
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ID: 453201
Weight: 1.73ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 15.98
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ID: 720089
Weight: 0.85ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.30
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ID: 544009
Weight: 0.89ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.22
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ID: 605077
Weight: 3.08ct
Size: 10.8 x 8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 40.66
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ID: 473878
Weight: 0.79ct
Size: 6.8 x 4.8 mm
Clarity: VS
Content: 1 pc
Price: $ 57.36
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ID: 636957
Weight: 25.66ct (total)
Size: 20.1 x 9.9 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 92.38
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ID: 451191
Weight: 1.40ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 12.94
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ID: 559407
Weight: 2.22ct
Size: 7 x 7 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 45.56
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ID: 395212
Weight: 5.31ct
Size: 11 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 29.21
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ID: 425646
Weight: 4.33ct
Size: 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 34.30
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ID: 687057
Weight: 3.56ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 34.18
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ID: 487964
Weight: 1.74ct (total)
Size: 8 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.19
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ID: 719971
Weight: 0.73ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 6.13
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ID: 584667
Weight: 7.02ct
Size: 15.4 x 11.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 66.35
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ID: 480941
Weight: 4.10ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 31.57
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ID: 546504
Weight: 2.47ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 32.60
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ID: 731007
Weight: 5.27ct
Size: 20.3 x 8.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 6.46
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ID: 497827
Weight: 3.22ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 22.22
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ID: 529157
Weight: 1.66ct
Size: 7.9 x 6.4 mm
Clarity: VS
Content: 1 pc
Price: $ 32.87
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ID: 617081
Weight: 4.72ct (total)
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 6.74
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ID: 675352
Weight: 41.38ct
Size: 22 x 16.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 99.31
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ID: 724996
Weight: 0.91ct
Size: 9.4 x 3.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.22
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ID: 582562
Weight: 5.22ct
Size: 12.9 x 9.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 27.56
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ID: 546482
Weight: 1.51ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 11.96
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ID: 555386
Weight: 1.05ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 39.80
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ID: 625508
Weight: 1.20ct
Size: 7 x 4.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.75
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ID: 458285
Weight: 1.27ct (total)
Size: 4.3 x 3.5 mm
Clarity: VS
Content: 4 pcs
Price: $ 167.64
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ID: 726863
Weight: 0.67ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 12.06
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ID: 420139
Weight: 37.66ct
Size: 28.8 x 21.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 74.57
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ID: 712832
Weight: 19.76ct
Size: 18 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 165.98
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ID: 686588
Weight: 0.19ct (total)
Size: 2.6 x 2.6 mm
Clarity: VS
Content: 2 pcs
Price: $ 9.12
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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

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

very good

Posted By Son Gift in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found exactly what I was looking for and ordered it. I like how you give information on the stones I'm buying. Glad I found you!

Posted By TheP in April, 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

Awesome

Posted By D in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

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

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to find what I wanted

Posted By Villian in December, 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 -> 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

very good

Posted By Son Gift in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found exactly what I was looking for and ordered it. I like how you give information on the stones I'm buying. Glad I found you!

Posted By TheP in April, 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

Awesome

Posted By D in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

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

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to find what I wanted

Posted By Villian in December, 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