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

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ID: 326395
Weight: 7.78ct (total)
Size: 10 x 8.6 mm
Clarity: Transparent/Translucent
Content: 2 pcs
Price: $ 25.68
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ID: 471788
Weight: 10.79ct
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 1,424.28
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ID: 464280
Weight: 3.83ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 35.39
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ID: 452446
Weight: 0.87ct
Size: 6.5 x 4.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 40.20
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ID: 585082
Weight: 19.29ct (total)
Size: 20.6 x 14.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 14.00
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ID: 687619
Weight: 5.02ct (total)
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 14.70
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ID: 665094
Weight: 1.46ct
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 31.54
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ID: 706622
Weight: 18.85ct
Size: 17.8 x 15.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.46
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ID: 502886
Weight: 2.78ct (total)
Size: 6.8 x 6.1 mm
Clarity: VS
Content: 5 pcs
Price: $ 22.02
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ID: 565118
Weight: 3.81ct
Size: 12 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 25.15
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ID: 461175
Weight: 4.63ct
Size: 12 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 42.78
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ID: 518936
Weight: 1.54ct
Size: 10.2 x 4.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 121.97
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ID: 701605
Weight: 6.64ct
Size: 13.9 x 8.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.84
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ID: 731009
Weight: 8.10ct
Size: 19.2 x 12.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.91
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ID: 418317
Weight: 8.31ct
Size: 15.4 x 11.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 16.45
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ID: 623751
Weight: 3.53ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 59.93
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ID: 491921
Weight: 48.94ct
Size: 22.3 x 19.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 128.56
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ID: 408747
Weight: 6.89ct
Size: 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 11.75
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ID: 663138
Weight: 23.47ct (total)
Size: 18.4 x 15.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 16.62
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ID: 587269
Weight: 1.63ct
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 150.61
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ID: 437768
Weight: 1.58ct
Size: 15.6 x 3.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 47.40
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ID: 715711
Weight: 0.96ct
Size: 6.6 x 4.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 61.06
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ID: 710495
Weight: 6.18ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 4.08
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ID: 705841
Weight: 1.58ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 13.27
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ID: 376672
Weight: 1.86ct
Size: 7.8 x 7.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 14.47
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ID: 519045
Weight: 2.27ct
Size: 8.5 x 7.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 49.92
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ID: 390753
Weight: 2.27ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 146.64
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ID: 431283
Weight: 1.40ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 14.77
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ID: 474698
Weight: 1.65ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 15.25
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ID: 334981
Weight: 15.55ct
Size: 13.2 x 9.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.05
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ID: 462367
Weight: 1.60ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 84.48
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ID: 628029
Weight: 7.17ct
Size: 22.5 x 8.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 60.23
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ID: 738695
Weight: 0.51ct
Size: 5 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 4.59
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ID: 698770
Weight: 3.13ct (total)
Size: 7.4 x 5.9 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 18.78
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ID: 720368
Weight: 1.17ct
Size: 6.4 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 112.62
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ID: 719773
Weight: 0.68ct
Size: 5.2 x 4.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 12.24
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ID: 536952
Weight: 1.29ct
Size: 6.2 x 4.7 mm
Clarity: VS
Content: 1 pc
Price: $ 53.16
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ID: 735815
Weight: 29.14ct
Size: 31.5 x 16.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 24.13
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ID: 456569
Weight: 1.45ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 13.40
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ID: 312952
Weight: 24.31ct
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 38.51
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ID: 415983
Weight: 1.53ct
Size: 17.4 x 3.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 48.47
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ID: 534187
Weight: 2.02ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.18
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ID: 643776
Weight: 0.92ct
Size: 6.5 x 5.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 7.73
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ID: 735821
Weight: 42.91ct
Size: 41.6 x 20.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 35.53
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ID: 492800
Weight: 4.47ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 32.34
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ID: 526441
Weight: 6.99ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 65.78
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ID: 433032
Weight: 1.69ct
Size: 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 28.55
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ID: 450486
Weight: 5.12ct
Size: 13.5 x 10 mm
Clarity: VVS
Content: 1 pc
Price: $ 47.30
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ID: 346226
Weight: 2.96ct (total)
Size: 2.5 x 2.4 mm
Clarity: VVS-VS
Content: 30 pcs
Price: $ 332.11
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ID: 645545
Weight: 1.50ct
Size: 9.1 x 3.5 mm
Clarity: VS
Content: 1 pc
Price: $ 21.64
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ID: 531171
Weight: 3.49ct
Size: 9.5 x 6.6 mm
Clarity: VS
Content: 1 pc
Price: $ 172.76
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ID: 365082
Weight: 1.29ct
Size: 14.8 x 3.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 33.97
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ID: 688206
Weight: 0.95ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.12
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ID: 497665
Weight: 2.70ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 24.95
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ID: 334522
Weight: 10.87ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: Transparent/Translucent
Content: 3 pcs
Price: $ 21.00
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ID: 520147
Weight: 5.25ct
Size: 13 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 27.72
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ID: 645538
Weight: 13.73ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 67.88
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ID: 724719
Weight: 0.50ct
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 15.00
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ID: 606411
Weight: 50.12ct
Size: 32.2 x 22.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.10
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ID: 387828
Weight: 2.50ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 16.50
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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

love these guys been ordering since 2000 maybe

Posted By JHT in April, 2025
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

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

Good. I ts very user friendly.

Posted By Shalini in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love browsing the site and everything is easy to find. There is just so much I get lost for hours. Sometimes I wish there were videos of some gems, but other than that I love shopping with GemSelect and I have referred the site to many people many times. I work in the jewelry industry myself and I love to show off what Ive had made with my gems from GemSelect! Thank you

Posted By Antennaesglow in July, 2024
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

I found the website easy to work with. The gemstones are lovely.

Posted By Sophie-Tiger in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 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

love these guys been ordering since 2000 maybe

Posted By JHT in April, 2025
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

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

Good. I ts very user friendly.

Posted By Shalini in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love browsing the site and everything is easy to find. There is just so much I get lost for hours. Sometimes I wish there were videos of some gems, but other than that I love shopping with GemSelect and I have referred the site to many people many times. I work in the jewelry industry myself and I love to show off what Ive had made with my gems from GemSelect! Thank you

Posted By Antennaesglow in July, 2024
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

I found the website easy to work with. The gemstones are lovely.

Posted By Sophie-Tiger in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 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