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

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ID: 482403
Weight: 37.39ct
Size: 35.4 x 25.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 27.14
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ID: 603073
Weight: 1.83ct
Size: 9 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 44.29
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ID: 483677
Weight: 1.55ct
Size: 6.6 x 6.2 mm
Clarity: VS
Content: 1 pc
Price: $ 133.00
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ID: 376648
Weight: 4.00ct
Size: 10.4 x 7.7 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 36.96
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ID: 355079
Weight: 34.50ct
Size: 34 x 18.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 91.08
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ID: 410119
Weight: 34.16ct
Size: 23.4 x 19.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 316.10
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ID: 512333
Weight: 12.25ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 67.38
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ID: 393319
Weight: 14.53ct
Size: 15 x 15 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 95.90
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ID: 388641
Weight: 1.23ct
Size: 9.6 x 6 mm
Clarity: SI
Content: 1 pc
Price: $ 78.97
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ID: 669283
Weight: 25.23ct (total)
Size: 19 x 12.2 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 454.14
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ID: 322037
Weight: 42.73ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 394.82
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ID: 438948
Weight: 15.89ct
Size: 15 x 15 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 734.12
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ID: 671191
Weight: 55.63ct
Size: 33.6 x 23 mm
Clarity: Translucent
Content: 1 pc
Price: $ 119.60
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ID: 402831
Weight: 1.05ct
Size: 7.4 x 5.8 mm
Clarity: VS
Content: 1 pc
Price: $ 130.32
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ID: 492108
Weight: 7.12ct
Size: 19.7 x 9.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.58
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ID: 348362
Weight: 25.96ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 137.06
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ID: 603193
Weight: 2.66ct
Size: 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 77.24
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ID: 481877
Weight: 1.13ct
Size: 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 24.61
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ID: 396053
Weight: 15.17ct
Size: 14 x 14 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 675.73
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ID: 690767
Weight: 12.19ct
Size: 14.9 x 11.6 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 731.40
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ID: 604035
Weight: 1.45ct
Size: 10 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 42.11
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ID: 623870
Weight: 43.76ct
Size: 33.2 x 24.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 53.72
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ID: 481435
Weight: 2.14ct (total)
Size: 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 51.25
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ID: 578039
Weight: 3.45ct
Size: 11.3 x 8.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 1,725.00
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ID: 438043
Weight: 13.83ct
Size: 14.7 x 11.5 mm
Clarity: VS
Content: 1 pc
Price: $ 365.11
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ID: 688019
Weight: 19.06ct
Size: 19 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 55.81
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ID: 447912
Weight: 46.91ct
Size: 35.1 x 19.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 135.66
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ID: 567748
Weight: 5.67ct
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.14
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ID: 673577
Weight: avg. 0.03 ct / each
Size: 1.8 mm (calibrated)
Clarity: Opaque
Price: $ 12.00
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ID: 467956
Weight: 1.56ct
Size: 7.9 x 6.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 92.66
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ID: 635341
Weight: 25.30ct
Size: 29.7 x 13.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 212.52
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ID: 360617
Weight: 8.34ct
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 36.70
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ID: 685660
Weight: 0.30ct (total)
Size: 3.2 x 1.8 mm
Clarity: VVS
Content: 10 pcs
Price: $ 1,227.17
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ID: 548707
Weight: 56.33ct
Size: 37.5 x 23.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 89.23
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ID: 635824
Weight: 5.39ct
Size: 11.6 x 8.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 27.68
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ID: 521453
Weight: 32.95ct
Size: 34.4 x 17.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 260.96
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ID: 578186
Weight: 39.55ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 47.46
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ID: 460459
Weight: 4.62ct (total)
Size: 7.4 x 7.2 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 9,702.00
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ID: 533170
Weight: avg. 1.11 ct / each
Size: 7 mm (calibrated)
Clarity: Translucent
Price: $ 8.72
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ID: 655525
Weight: 1.96ct
Size: 12 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 3.06
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ID: 619174
Weight: 32.94ct (total)
Size: 25 x 18 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 79.06
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ID: 484137
Weight: 8.87ct (total)
Size: 9.1 x 8.6 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 58.55
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ID: 568861
Weight: 6.31ct
Size: 13 x 11 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 341.50
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ID: 674102
Weight: 25.97ct
Size: 24.1 x 17.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 389.55
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ID: 545337
Weight: 3.63ct
Size: 11.6 x 6.4 mm
Clarity: SI
Content: 1 pc
Price: $ 275.52
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ID: 696564
Weight: 48.09ct
Size: 33.7 x 24.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 72.14
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ID: 401455
Weight: 30.74ct
Size: 25 x 18.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 60.86
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ID: 671542
Weight: 45.23ct
Size: 39.3 x 27.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 116.69
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ID: 599537
Weight: 13.59ct
Size: 16 x 16 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 44.86
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ID: 668014
Weight: 20.17ct
Size: 17.7 x 16.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 100.85
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ID: 679959
Weight: 28.28ct
Size: 23.1 x 17.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 271.49
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ID: 422081
Weight: 1.35ct
Size: 9.5 x 5.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 77.88
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ID: 418948
Weight: 11.34ct
Size: 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 45.36
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ID: 470296
Weight: 89.56ct
Size: 36 x 22.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 147.78
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ID: 638591
Weight: 61.12ct
Size: 27.1 x 22.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 427.84
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ID: 691229
Weight: 0.66ct
Size: 5 x 5 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 33.00
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ID: 693247
Weight: 70.16ct
Size: 47.3 x 32.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.72
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ID: 618035
Weight: 39.01ct
Size: 34.3 x 23.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 30.90
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ID: 555336
Weight: 2.48ct
Size: 8.7 x 6.7 mm
Clarity: SI
Content: 1 pc
Price: $ 65.47
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ID: 678175
Weight: 5.19ct
Size: 13.4 x 10.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.38
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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

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I was looking for

Posted By Lincolnpremier in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoyed shopping.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Easy website to navigate, lots of different varieties and options to choose from.

Posted By Brian in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring

Posted By Desertchick in April, 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

Excellent selection and easy to use, well done site

Posted By Steph in December, 2024
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

Everything went well, the payment options are easily declined but, but once sorted out, everything is smooth. I have bought from GemSelect before and am consistently satisfied with them.

Posted By Gabe 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

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I was looking for

Posted By Lincolnpremier in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoyed shopping.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Easy website to navigate, lots of different varieties and options to choose from.

Posted By Brian in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring

Posted By Desertchick in April, 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

Excellent selection and easy to use, well done site

Posted By Steph in December, 2024
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

Everything went well, the payment options are easily declined but, but once sorted out, everything is smooth. I have bought from GemSelect before and am consistently satisfied with them.

Posted By Gabe 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