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

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ID: 647935
Weight: 1.00ct
Size: 7.1 x 5.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 26.40
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ID: 718253
Weight: 0.98ct
Size: 6 x 4.8 mm
Clarity: VS
Content: 1 pc
Price: $ 29.40
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ID: 485191
Weight: 3.75ct (total)
Size: 9 x 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 19.80
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ID: 625385
Weight: 1.78ct
Size: 12 x 6.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 4.49
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ID: 721623
Weight: 5.60ct
Size: 15.6 x 9.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.16
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ID: 376944
Weight: 3.66ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 41.35
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ID: 662665
Weight: 11.62ct (total)
Size: 17.9 x 12.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 8.23
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ID: 466125
Weight: 3.05ct (total)
Size: 11.9 x 6 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 32.21
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ID: 683195
Weight: 5.70ct
Size: 14.2 x 9.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 52.80
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ID: 625507
Weight: 1.34ct
Size: 7.8 x 5.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 5.30
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ID: 479513
Weight: 13.18ct (total)
Size: 17.4 x 11.7 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 24.01
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ID: 456026
Weight: 21.43ct (total)
Size: 17.3 x 15 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 51.43
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ID: 495356
Weight: 2.61ct
Size: 9.3 x 7.7 mm
Clarity: VS
Content: 1 pc
Price: $ 55.96
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ID: 533009
Weight: 7.33ct
Size: 12 x 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.52
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ID: 722730
Weight: 47.03ct
Size: 37.3 x 20.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 395.05
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ID: 431686
Weight: 2.25ct (total)
Size: 4.8 x 4.7 mm
Clarity: VS
Content: 4 pcs
Price: $ 23.74
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ID: 407747
Weight: 3.90ct
Size: 12.4 x 9.2 mm
Clarity: VS
Content: 1 pc
Price: $ 154.44
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ID: 393254
Weight: 1.95ct (total)
Size: 3 x 2 mm (calibrated)
Clarity: VS
Content: 20 pcs
Price: $ 141.58
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ID: 715565
Weight: 12.83ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 123.17
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ID: 559394
Weight: 2.08ct
Size: 7 x 7 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 42.68
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ID: 708006
Weight: 11.51ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 11.05
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ID: 486988
Weight: 25.71ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.98
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ID: 448143
Weight: 3.65ct (total)
Size: 8 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 19.27
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ID: 446063
Weight: 4.40ct
Size: 12.2 x 9.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 32.11
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ID: 314748
Weight: 1.48ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 78.14
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ID: 634765
Weight: 1.32ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 38.02
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ID: 435146
Weight: 73.19ct
Size: 48 x 28.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 144.91
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ID: 395990
Weight: 11.03ct
Size: 15 x 15 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.15
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ID: 712527
Weight: 2.52ct
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.71
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ID: 346219
Weight: 2.38ct (total)
Size: 2.3 x 2.3 mm
Clarity: VVS-VS
Content: 30 pcs
Price: $ 267.04
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ID: 428068
Weight: 6.41ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 50.77
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ID: 678410
Weight: 27.36ct (total)
Size: 27.9 x 13 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 32.83
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ID: 680794
Weight: 1.02ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 30.60
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ID: 456489
Weight: 3.74ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 34.56
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ID: 485231
Weight: 10.24ct (total)
Size: 11 x 11 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 54.07
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ID: 718099
Weight: 0.93ct
Size: 5.9 x 5 mm
Clarity: VS
Content: 1 pc
Price: $ 27.90
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ID: 719467
Weight: 0.59ct
Size: 5.2 x 4 mm
Clarity: VVS
Price: $ 10.62
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ID: 730465
Weight: 0.79ct
Size: 5.4 x 4.8 mm
Clarity: VS
Content: 1 pc
Price: $ 47.40
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ID: 646968
Weight: 0.78ct
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.08
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ID: 717934
Weight: 1.70ct (total)
Size: 6 x 4.9 mm
Clarity: VS
Content: 2 pcs
Price: $ 51.00
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ID: 406191
Weight: 14.62ct
Size: 16 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 38.59
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ID: 546222
Weight: 1.76ct
Size: 7.5 x 6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 13.12
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ID: 685339
Weight: 0.70ct
Size: 5.5 x 4.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 29.40
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ID: 724500
Weight: 0.51ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.30
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ID: 565116
Weight: 4.46ct
Size: 12 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 29.44
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ID: 434129
Weight: 2.81ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 18.55
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ID: 497664
Weight: 2.65ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 24.49
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ID: 479205
Weight: 2.52ct (total)
Size: 10 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 26.62
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ID: 354632
Weight: 6.99ct (total)
Size: 5 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 223.68
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ID: 712047
Weight: 54.37ct (total)
Size: 23.1 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 144.84
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ID: 690746
Weight: 3.78ct
Size: 14.3 x 11.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 88.76
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ID: 463336
Weight: 4.28ct (total)
Size: 12.1 x 5.9 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 56.66
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ID: 348609
Weight: 2.36ct
Size: 15.1 x 4.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 77.88
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ID: 597739
Weight: 0.52ct
Size: 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 22.87
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ID: 696199
Weight: 31.33ct
Size: 28.1 x 20.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.43
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ID: 705600
Weight: 3.12ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 2.88
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ID: 553544
Weight: 0.98ct
Size: 9 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 29.52
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ID: 606874
Weight: 1.82ct (total)
Size: 9.1 x 5 mm
Clarity: VS
Content: 2 pcs
Price: $ 12.01
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ID: 487389
Weight: 62.15ct
Size: 48.4 x 29 mm
Clarity: Opaque
Content: 1 pc
Price: $ 45.94
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ID: 545213
Weight: 1.72ct
Size: 8.6 x 8.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.83
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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 -> 7 star ratings

Okay thank you.

Posted By Bepc61 in March, 2025
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

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

Muy serios y muy oportunos para el envo

Posted By Veronica in September, 2024
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

I love gemstones. My father was a jeweler & I used to shop for stones for him.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I trust this company to deliver exactly what is offered. I have never had to return a selection of Gems. I appreciate the company's detailed description of their product. It helps this customer find mounts before the gems arrive. Any day of the year one can find a wide selection of gems, be it by price, color, cut, lot or single. Pricing does not jump all over the place and stays reasonable. Be assured your items will arrive in perfect condition as the company's shipping department does a great job.

Posted By Miss Sherrie in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have bought many stones from GemsSelect and have been very satisfied with all!I will continue to buy and recommend this site!

Posted By DG in July, 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 -> 7 star ratings

Okay thank you.

Posted By Bepc61 in March, 2025
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

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

Muy serios y muy oportunos para el envo

Posted By Veronica in September, 2024
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

I love gemstones. My father was a jeweler & I used to shop for stones for him.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I trust this company to deliver exactly what is offered. I have never had to return a selection of Gems. I appreciate the company's detailed description of their product. It helps this customer find mounts before the gems arrive. Any day of the year one can find a wide selection of gems, be it by price, color, cut, lot or single. Pricing does not jump all over the place and stays reasonable. Be assured your items will arrive in perfect condition as the company's shipping department does a great job.

Posted By Miss Sherrie in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have bought many stones from GemsSelect and have been very satisfied with all!I will continue to buy and recommend this site!

Posted By DG in July, 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