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

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ID: 511080
Weight: 7.39ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 58.52
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ID: 394219
Weight: 31.90ct
Size: 41.6 x 19.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.11
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ID: 715102
Weight: 3.61ct (total)
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 9.36
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ID: 554284
Weight: 0.95ct
Size: 6.7 x 4.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 25.08
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ID: 472690
Weight: 21.25ct
Size: 21.8 x 12.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 29.45
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ID: 712260
Weight: 13.29ct
Size: 19.6 x 12.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.47
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ID: 460237
Weight: 3.76ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 49.63
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ID: 467087
Weight: 0.56ct
Size: 7.7 x 4.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 40.66
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ID: 693515
Weight: 2.34ct
Size: 8.4 x 5.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 77.58
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ID: 395809
Weight: 6.29ct
Size: 10 x 10 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 308.20
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ID: 694767
Weight: 2.09ct
Size: 6.3 x 6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 62.70
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ID: 447094
Weight: 1.98ct
Size: 8.7 x 6.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 93.56
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ID: 647271
Weight: 1.29ct
Size: 7.7 x 6.3 mm
Clarity: VS
Content: 1 pc
Price: $ 29.41
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ID: 710247
Weight: 6.17ct
Size: 14 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 196.21
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ID: 688856
Weight: 1.84ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 17.66
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ID: 477221
Weight: 2.70ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 29.70
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ID: 715791
Weight: 0.55ct
Size: 6.7 x 3.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 34.98
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ID: 435351
Weight: 8.60ct
Size: 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 28.15
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ID: 736584
Weight: 23.44ct
Size: 24.8 x 19.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 33.05
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ID: 479079
Weight: 1.71ct (total)
Size: 10.1 x 5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 18.06
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ID: 391624
Weight: 1.13ct
Size: 8 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 72.30
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ID: 599841
Weight: 42.85ct
Size: 34.5 x 23.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.23
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ID: 528221
Weight: 0.96ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.87
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ID: 571167
Weight: 0.87ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 8.04
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ID: 492488
Weight: 4.04ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 29.22
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ID: 517974
Weight: 1.86ct
Size: 8.2 x 9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 17.18
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ID: 532427
Weight: 4.68ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 37.07
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ID: 463366
Weight: 1.61ct
Size: 7 x 5.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 31.88
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ID: 733159
Weight: 3.64ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 32.89
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ID: 715581
Weight: 11.19ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 107.42
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ID: 512902
Weight: 1.88ct
Size: 8.5 x 7.1 mm
Clarity: VS
Content: 1 pc
Price: $ 40.67
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ID: 690884
Weight: 0.34ct (total)
Size: 3.2 x 3.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 12.96
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ID: 389953
Weight: 20.09ct
Size: 24.7 x 16.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 53.04
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ID: 685237
Weight: 27.96ct
Size: 18.8 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 119.78
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ID: 731026
Weight: 11.42ct (total)
Size: 19.4 x 12.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 7.81
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ID: 519908
Weight: 1.64ct
Size: 11.8 x 4.2 mm
Clarity: VS
Content: 1 pc
Price: $ 149.38
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ID: 400966
Weight: 3.26ct
Size: 9 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 19.56
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ID: 682020
Weight: 0.41ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Price: $ 3.44
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ID: 604842
Weight: 5.03ct
Size: 16 x 10.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 66.40
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ID: 436890
Weight: 3.67ct (total)
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 7.26
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ID: 713963
Weight: 1.56ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 26.21
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ID: 711090
Weight: 16.32ct
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 43.48
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ID: 730490
Weight: 0.92ct
Size: 6.7 x 4.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 55.20
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ID: 713652
Weight: 19.34ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 135.38
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ID: 709098
Weight: 1.50ct
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.98
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ID: 712540
Weight: 2.35ct
Size: 12 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.26
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ID: 493503
Weight: 3.50ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Translucent
Content: 5 pcs
Price: $ 32.34
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ID: 633085
Weight: 7.59ct (total)
Size: 16.9 x 11.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 34.52
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ID: 727494
Weight: 0.72ct
Size: 4.8 x 4.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.00
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ID: 401430
Weight: 9.24ct
Size: 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 30.49
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ID: 691073
Weight: 0.92ct
Size: 6 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 55.20
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ID: 706343
Weight: 11.36ct
Size: 16.8 x 12.1 mm
Clarity: VS
Content: 1 pc
Price: $ 339.71
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ID: 603874
Weight: 2.37ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 21.90
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ID: 494277
Weight: 30.20ct
Size: 24.9 x 20.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 17.15
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ID: 716381
Weight: 0.88ct
Size: 7.3 x 4.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 55.97
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ID: 274068
Weight: 13.37ct (total)
Size: 12 x 12 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 32.09
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ID: 527254
Weight: 12.46ct (total)
Size: 17.6 x 11.4 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 23.52
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ID: 470014
Weight: 13.08ct
Size: 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 18.12
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ID: 724667
Weight: 0.22ct
Size: 4.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.96
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ID: 438056
Weight: 2.37ct
Size: 8.3 x 7.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 109.50
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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

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have bought from you before and have found your gems exceed my expectations. I have been very satisfied with all gems sent to me. I will be back. Thanks....

Posted By Dork in September, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

Love the ease of access. Easy to find what you are looking for, and fair pricing.

Posted By NickBehnke in October, 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

I'm happy.

Posted By Ray in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

It was very good and concise.

Posted By Whydothey in August, 2024
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

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

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

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have bought from you before and have found your gems exceed my expectations. I have been very satisfied with all gems sent to me. I will be back. Thanks....

Posted By Dork in September, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

Love the ease of access. Easy to find what you are looking for, and fair pricing.

Posted By NickBehnke in October, 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

I'm happy.

Posted By Ray in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

It was very good and concise.

Posted By Whydothey in August, 2024
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

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

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