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

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ID: 605915
Weight: 30.11ct (total)
Size: 21.5 x 13.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 46.90
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ID: 552612
Weight: 10.40ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 24.96
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ID: 453763
Weight: 3.06ct
Size: 12 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.27
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ID: 722642
Weight: 26.32ct
Size: 24.1 x 17.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 221.09
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ID: 706727
Weight: 2.10ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.04
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ID: 475571
Weight: 7.09ct
Size: 16 x 12 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 65.51
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ID: 712449
Weight: 9.23ct (total)
Size: 16 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 24.59
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ID: 706985
Weight: 1.94ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.66
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ID: 721817
Weight: 20.03ct
Size: 26.6 x 18.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 72.11
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ID: 461180
Weight: 4.53ct
Size: 12 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.86
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ID: 634143
Weight: 10.82ct
Size: 16.8 x 12.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 57.52
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ID: 640080
Weight: 2.10ct
Size: 8.1 x 7.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 12.60
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ID: 600275
Weight: 49.20ct
Size: 34.7 x 22.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 37.01
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ID: 645987
Weight: 18.36ct
Size: 23.4 x 16.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 57.29
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ID: 688986
Weight: 3.07ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 29.47
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ID: 700200
Weight: 0.62ct
Size: 4.7 x 4.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 26.71
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ID: 702030
Weight: 6.37ct
Size: 12.9 x 8.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.22
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ID: 730084
Weight: 0.24ct
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 11.52
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ID: 668806
Weight: 12.31ct
Size: 19.2 x 12.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 265.90
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ID: 387806
Weight: 4.09ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 10 pcs
Price: $ 27.00
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ID: 656106
Weight: 1.27ct
Size: 8.5 x 7.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 30.48
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ID: 517805
Weight: 1.75ct
Size: 8 x 6.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.50
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ID: 658359
Weight: 50.62ct
Size: 36.8 x 24.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 86.56
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ID: 710345
Weight: 2.85ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.94
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ID: 479411
Weight: 2.27ct (total)
Size: 10.1 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 23.98
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ID: 372541
Weight: 25.90ct (total)
Size: 17.6 x 8.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 245.47
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ID: 585088
Weight: 17.90ct (total)
Size: 21.3 x 12.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 13.01
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ID: 735037
Weight: 0.16ct
Size: 5.1 x 2.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 134.40
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ID: 658787
Weight: 14.07ct
Size: 17.9 x 16.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.60
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ID: 691141
Weight: 0.59ct
Size: 5.3 x 4.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 35.40
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ID: 418222
Weight: 9.01ct (total)
Size: 14 x 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 17.84
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ID: 648844
Weight: 2.96ct
Size: 12.2 x 8.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 24.86
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ID: 720487
Weight: 1.13ct
Size: 6.4 x 5.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 203.40
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ID: 352850
Weight: 7.16ct
Size: 19.5 x 9.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 60.14
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ID: 564791
Weight: 0.17ct
Size: 3.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 77.36
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ID: 450794
Weight: 4.42ct
Size: 12.4 x 9.5 mm
Clarity: VS
Content: 1 pc
Price: $ 40.84
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ID: 493121
Weight: 5.73ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 41.45
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ID: 631599
Weight: 5.89ct
Size: 12.7 x 10 mm
Clarity: Transparent
Content: 1 pc
Price: $ 70.68
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ID: 688387
Weight: 9.15ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.98
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ID: 710355
Weight: 0.73ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 13.08
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ID: 418336
Weight: 13.06ct (total)
Size: 17.4 x 11.4 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 25.86
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ID: 712579
Weight: 5.41ct
Size: 16 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 14.41
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ID: 487404
Weight: 15.56ct
Size: 16.6 x 12.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.50
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ID: 704564
Weight: 1.76ct
Size: 12.3 x 8.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 52.80
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ID: 471779
Weight: 22.47ct
Size: 21 x 15.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 2,076.23
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ID: 465844
Weight: 3.68ct (total)
Size: 11.7 x 5.8 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 38.86
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ID: 594830
Weight: 0.88ct
Size: 5.3 x 5.3 mm
Clarity: SI
Content: 1 pc
Price: $ 20.90
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ID: 456280
Weight: 3.82ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 35.29
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ID: 692445
Weight: 13.34ct
Size: 16 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 112.06
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ID: 716057
Weight: 4.30ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 41.28
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ID: 708323
Weight: 4.08ct
Size: 14.1 x 9.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 29.38
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ID: 392522
Weight: 11.04ct (total)
Size: 11 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 66.24
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ID: 320217
Weight: 1.46ct
Size: 9 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 77.09
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ID: 392284
Weight: 11.52ct
Size: 14 x 14 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 76.03
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ID: 459960
Weight: 4.20ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.81
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ID: 712704
Weight: 4.03ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 10.74
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ID: 474094
Weight: 4.28ct
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 39.55
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ID: 431214
Weight: 3.02ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 31.85
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ID: 474093
Weight: 4.73ct
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 43.70
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ID: 721523
Weight: 12.96ct
Size: 14 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 15.55
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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

I found the website easy to work with. The gemstones are lovely.

Posted By Sophie-Tiger in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 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 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 just bought some mystic quartz. Checkout was smooth and pleasant

Posted By Jay in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.

Posted By Desertchick in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Helpselect accomplished all personal growth goals

Posted By Mike in October, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

Site is easy to navigate - details on cut, polish, and finish work and techniques were helpful. 3d view or wireframe diagram of stones would be nice.

Posted By Tb in August, 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

I found the website easy to work with. The gemstones are lovely.

Posted By Sophie-Tiger in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 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 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 just bought some mystic quartz. Checkout was smooth and pleasant

Posted By Jay in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.

Posted By Desertchick in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Helpselect accomplished all personal growth goals

Posted By Mike in October, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

Site is easy to navigate - details on cut, polish, and finish work and techniques were helpful. 3d view or wireframe diagram of stones would be nice.

Posted By Tb in August, 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