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

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ID: 637089
Weight: 3.67ct
Size: 9.4 x 7.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 17.62
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ID: 484259
Weight: 1.30ct
Size: 7.3 x 6 mm
Clarity: VS
Content: 1 pc
Price: $ 17.16
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ID: 521417
Weight: 44.38ct
Size: 34.5 x 15.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 223.78
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ID: 694232
Weight: 0.78ct
Size: 7 x 4.1 mm
Clarity: VS
Content: 1 pc
Price: $ 23.40
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ID: 341736
Weight: 18.22ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 36.07
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ID: 558128
Weight: 1.24ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 97.61
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ID: 597455
Weight: 1.89ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 124.74
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ID: 713699
Weight: 15.67ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 131.63
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ID: 567621
Weight: 3.46ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 22.84
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ID: 585521
Weight: 0.85ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 56.10
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ID: 680692
Weight: 3.07ct
Size: 10.9 x 6.7 mm
Clarity: SI
Content: 1 pc
Price: $ 92.10
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ID: 449648
Weight: 7.80ct (total)
Size: 8.1 x 6.6 mm
Clarity: Transparent
Content: 4 pcs
Price: $ 51.48
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ID: 725869
Weight: 0.73ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 7.01
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ID: 451023
Weight: 1.47ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 13.58
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ID: 699106
Weight: 3.26ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 27.38
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ID: 689049
Weight: 0.72ct
Size: 7 x 5.3 mm
Clarity: VS
Content: 1 pc
Price: $ 21.60
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ID: 730299
Weight: 30.25ct
Size: 32.2 x 19.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.04
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ID: 699240
Weight: 1.58ct
Size: 7.4 x 6.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 9.48
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ID: 409049
Weight: 6.24ct
Size: 19 x 9.6 mm
Clarity: VS
Content: 1 pc
Price: $ 57.66
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ID: 480280
Weight: 7.62ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 71.15
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ID: 720620
Weight: 0.75ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 6.30
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ID: 714186
Weight: 0.44ct
Size: 4.3 mm
Clarity: SI
Content: 1 pc
Price: $ 13.20
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ID: 698539
Weight: 0.83ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 6.97
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ID: 463914
Weight: 4.43ct
Size: 12 mm (calibrated)
Clarity: VVS-VS
Price: $ 8.78
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ID: 706497
Weight: 2.88ct
Size: 10.1 x 8.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 5.88
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ID: 255623
Weight: 1.43ct (total)
Size: 4 mm (calibrated)
Clarity: VS-SI
Content: 5 pcs
Price: $ 170.36
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ID: 492204
Weight: 6.22ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 23.40
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ID: 714796
Weight: 0.44ct
Size: 4.3 mm
Clarity: SI
Content: 1 pc
Price: $ 13.20
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ID: 529071
Weight: 1.64ct
Size: 8.2 x 5.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 142.87
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ID: 345949
Weight: 16.45ct
Size: 16.4 x 13.9 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 28.22
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ID: 569476
Weight: 1.90ct
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 13.99
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ID: 708340
Weight: 7.67ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.37
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ID: 558459
Weight: 3.57ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 27.01
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ID: 513385
Weight: 10.91ct
Size: 14 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 43.20
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ID: 585643
Weight: 13.12ct
Size: 16.9 x 13.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 86.59
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ID: 685681
Weight: 1.25ct
Size: 6.7 x 5.1 mm
Clarity: VS
Content: 1 pc
Price: $ 23.02
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ID: 349464
Weight: 1.36ct
Size: 6.9 x 6 mm
Clarity: VS
Content: 1 pc
Price: $ 188.50
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ID: 476296
Weight: 5.74ct
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 40.31
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ID: 398835
Weight: 4.90ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 129.36
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ID: 626195
Weight: 3.24ct
Size: 13.1 x 10.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 9.79
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ID: 401922
Weight: 0.89ct
Size: 5.9 x 5 mm
Clarity: VVS
Content: 1 pc
Price: $ 100.43
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ID: 531983
Weight: 1.97ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 10.40
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ID: 662896
Weight: 3.52ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.45
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ID: 511088
Weight: 7.04ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 55.75
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ID: 638881
Weight: 1.93ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 2 pcs
Price: $ 46.32
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ID: 708419
Weight: 3.51ct
Size: 16.1 x 9.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 106.31
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ID: 732949
Weight: 3.37ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.46
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ID: 345371
Weight: 20.42ct
Size: 27.8 x 16.8 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 31.27
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ID: 514177
Weight: 25.75ct (total)
Size: 19.7 x 11.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 67.31
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ID: 700730
Weight: 64.06ct
Size: 33.9 x 33.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.60
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ID: 494439
Weight: 1.70ct
Size: 12 x 6 mm
Clarity: VS
Price: $ 13.46
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ID: 430361
Weight: 2.51ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 16.57
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ID: 345323
Weight: 28.95ct
Size: 22.8 x 17.2 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 41.40
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ID: 341426
Weight: 7.70ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 73.82
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ID: 466001
Weight: 7.86ct
Size: 14 mm (calibrated)
Clarity: VVS-VS
Price: $ 15.56
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ID: 566184
Weight: 2.27ct
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 51.62
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ID: 305967
Weight: 2.73ct (total)
Size: 8.2 x 5.6 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 18.02
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ID: 589851
Weight: 3.95ct (total)
Size: 11.9 x 6 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 83.42
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ID: 715696
Weight: 3.03ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 29.09
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ID: 404068
Weight: 6.33ct
Size: 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 33.42
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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 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 -> 10 star ratings

I always enjoy the selection and the unique cuts I can find here. I would love to see more hex cuts tho! Maybe some rose cuts too!

Posted By Blkfower83 in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

very good

Posted By Son Gift in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga in May, 2025
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

Great website, no hassle, easy check out and found everything I needed quickly

Posted By Chris in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 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

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 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 -> 10 star ratings

I always enjoy the selection and the unique cuts I can find here. I would love to see more hex cuts tho! Maybe some rose cuts too!

Posted By Blkfower83 in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

very good

Posted By Son Gift in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga in May, 2025
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

Great website, no hassle, easy check out and found everything I needed quickly

Posted By Chris in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 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

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