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

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ID: 715713
Weight: 0.86ct
Size: 6.3 x 4.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 54.70
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ID: 390744
Weight: 2.18ct (total)
Size: 5.2 x 4.2 mm
Clarity: VS
Content: 5 pcs
Price: $ 140.83
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ID: 724517
Weight: 0.18ct
Size: 3.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 30.24
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ID: 711516
Weight: 0.66ct
Size: 5.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 13.18
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ID: 543743
Weight: 1.01ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.34
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ID: 448926
Weight: 12.10ct
Size: 18 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 39.94
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ID: 662728
Weight: 17.78ct (total)
Size: 24.9 x 12.6 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 12.59
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ID: 565088
Weight: 0.15ct (total)
Size: 2.7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 328.36
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ID: 674617
Weight: 3.21ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.96
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ID: 715391
Weight: 11.55ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 110.88
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ID: 449921
Weight: 2.40ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 22.16
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ID: 697558
Weight: 0.48ct (total)
Size: 3.7 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 10.37
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ID: 385186
Weight: 6.28ct
Size: 22 x 10.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 51.40
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ID: 722451
Weight: 16.52ct
Size: 19.4 x 17.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 138.77
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ID: 542606
Weight: 0.69ct
Size: 5.4 x 5.3 mm
Clarity: VS
Content: 1 pc
Price: $ 25.65
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ID: 707206
Weight: 29.09ct
Size: 25.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.71
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ID: 446691
Weight: 1.65ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 9.90
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ID: 585078
Weight: 13.26ct (total)
Size: 23.7 x 11.7 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 9.62
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ID: 658693
Weight: 70.52ct
Size: 46.8 x 30.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 144.71
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ID: 557820
Weight: 3.62ct
Size: 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.38
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ID: 474959
Weight: 2.56ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 84.48
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ID: 395051
Weight: 3.48ct
Size: 9.5 x 9.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 22.97
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ID: 534783
Weight: 3.16ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.03
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ID: 428236
Weight: 6.02ct
Size: 13.4 x 11.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 47.68
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ID: 521617
Weight: 23.89ct
Size: 30.8 x 9.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.34
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ID: 605804
Weight: 25.96ct
Size: 22.8 x 18.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 239.87
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ID: 676165
Weight: 4.12ct
Size: 14 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.71
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ID: 439374
Weight: 2.15ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 133.39
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ID: 736580
Weight: 48.07ct
Size: 31.7 x 22.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 67.78
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ID: 463361
Weight: 4.20ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 33.26
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ID: 443224
Weight: 9.84ct (total)
Size: 11 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 32.34
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ID: 352664
Weight: 4.32ct
Size: 16.8 x 8.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 39.91
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ID: 727824
Weight: 1.08ct
Size: 7.1 x 5.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 64.80
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ID: 711728
Weight: 16.56ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 29.81
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ID: 516461
Weight: 18.05ct
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 18.59
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ID: 514134
Weight: 7.06ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 66.44
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ID: 608305
Weight: 1.56ct
Size: 8 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 14.41
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ID: 710170
Weight: 2.88ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Price: $ 24.19
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ID: 565269
Weight: 29.36ct
Size: 31.2 x 15.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 22.09
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ID: 477437
Weight: 3.43ct (total)
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 96.48
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ID: 718850
Weight: 0.86ct
Size: 6 x 4.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 15.48
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ID: 723720
Weight: 1.15ct
Size: 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 11.04
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ID: 376906
Weight: 2.73ct
Size: 8.6 x 7.1 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 25.22
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ID: 688630
Weight: 0.97ct
Size: 12.1 x 4.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 9.31
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ID: 728156
Weight: 2.56ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 6.14
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ID: 635377
Weight: 3.13ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 82.63
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ID: 707764
Weight: 8.83ct
Size: 20.8 x 10.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 63.58
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ID: 387808
Weight: 4.40ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 10 pcs
Price: $ 29.04
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ID: 497511
Weight: 2.09ct
Size: 8.5 x 7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 55.18
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ID: 707165
Weight: 5.26ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 12.62
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ID: 370601
Weight: 12.62ct
Size: 16 x 15.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 16.66
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ID: 534722
Weight: 2.96ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.45
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ID: 590936
Weight: 5.43ct
Size: 15.7 x 8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 46.46
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ID: 639589
Weight: 1.63ct
Size: 12 x 5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 11.41
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ID: 661857
Weight: 6.54ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.85
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ID: 715571
Weight: 21.63ct
Size: 20.4 x 18.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 207.65
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ID: 664605
Weight: 0.87ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 9.40
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ID: 721899
Weight: 44.82ct
Size: 33.6 x 22.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 53.78
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ID: 480695
Weight: 1.81ct (total)
Size: 5.5 x 3.7 mm
Clarity: VS
Content: 4 pcs
Price: $ 16.73
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ID: 722775
Weight: 1.26ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 37.80
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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

Great site always looking for great deals and find them on this site

Posted By IRO5812 in July, 2024
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

Had no difficulty with the website. The only difficulty I had today was making the choice of what I wanted to purchase. There are just so many delicious stones to choose from!!

Posted By Desertchick in July, 2024
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

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 -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 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 -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
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

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

Great site always looking for great deals and find them on this site

Posted By IRO5812 in July, 2024
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

Had no difficulty with the website. The only difficulty I had today was making the choice of what I wanted to purchase. There are just so many delicious stones to choose from!!

Posted By Desertchick in July, 2024
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

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 -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 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 -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
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

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