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

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ID: 682518
Weight: 14.90ct
Size: 17 x 12.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 89.40
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ID: 687457
Weight: 1.28ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 27.65
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ID: 501537
Weight: 22.41ct (total)
Size: 29.2 x 17 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 70.40
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ID: 696156
Weight: 21.26ct
Size: 23.5 x 14.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.54
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ID: 609437
Weight: 13.04ct (total)
Size: 13 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 17.21
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ID: 639441
Weight: 1.77ct
Size: 7.2 x 6.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 10.62
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ID: 471540
Weight: 6.92ct
Size: 15 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 71.70
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ID: 381114
Weight: 1.38ct (total)
Size: 3.7 x 3.6 mm
Clarity: VS
Content: 4 pcs
Price: $ 35.38
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ID: 725301
Weight: 17.65ct
Size: 23.8 x 14.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 63.54
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ID: 520555
Weight: 8.58ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 79.28
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ID: 356966
Weight: 4.02ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 26.53
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ID: 642263
Weight: 2.51ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 18.07
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ID: 671448
Weight: 19.76ct
Size: 24.8 x 16.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 50.98
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ID: 712681
Weight: 3.95ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 10.52
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ID: 345775
Weight: 0.61ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 65.88
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ID: 371585
Weight: 4.80ct (total)
Size: 8.2 x 5.2 mm
Clarity: VS
Content: 6 pcs
Price: $ 31.68
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ID: 643569
Weight: 0.90ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 7.56
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ID: 305178
Weight: 2.19ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 5 pcs
Price: $ 144.54
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ID: 513693
Weight: 19.38ct
Size: 25.4 x 15.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.58
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ID: 648024
Weight: 6.10ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 10.98
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ID: 732986
Weight: 0.69ct
Size: 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 16.56
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ID: 541132
Weight: 10.94ct
Size: 13 x 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 16.32
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ID: 393156
Weight: 3.67ct
Size: 12 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 24.23
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ID: 688772
Weight: 0.97ct
Size: 12.1 x 4.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 9.31
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ID: 447924
Weight: 40.92ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 162.05
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ID: 717120
Weight: 0.67ct
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 13.67
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ID: 721417
Weight: 0.64ct
Size: 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.72
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ID: 730856
Weight: 10.01ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.25
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ID: 435457
Weight: 14.43ct
Size: 18.8 x 13.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 47.24
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ID: 454573
Weight: 0.91ct
Size: 7.4 x 4.7 mm
Clarity: VS
Content: 1 pc
Price: $ 34.94
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ID: 379627
Weight: 3.44ct
Size: 9.4 x 7.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 217.96
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ID: 504664
Weight: 2.22ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.65
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ID: 454003
Weight: 1.01ct
Size: 10.9 x 3.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 42.66
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ID: 721957
Weight: 34.60ct (total)
Size: 16.8 x 15.9 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 41.52
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ID: 453632
Weight: 2.51ct
Size: 11.5 x 7.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.20
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ID: 358397
Weight: 3.84ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 25.34
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ID: 401776
Weight: 2.93ct (total)
Size: 5 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 119.89
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ID: 651833
Weight: 10.04ct
Size: 15 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 31.20
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ID: 453133
Weight: 4.61ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 42.60
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ID: 709841
Weight: 3.10ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 26.04
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ID: 694368
Weight: 23.74ct
Size: 18 x 18 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 199.42
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ID: 698515
Weight: 19.90ct
Size: 21.2 x 14.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 19.90
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ID: 646970
Weight: 2.20ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 79.20
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ID: 730869
Weight: 14.12ct (total)
Size: 19.5 x 11.6 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 9.66
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ID: 554177
Weight: 7.32ct
Size: 15.3 x 11.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 55.46
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ID: 379754
Weight: 2.40ct (total)
Size: 4 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 135.97
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ID: 435763
Weight: 3.05ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 20.14
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ID: 485965
Weight: 8.62ct
Size: 16.8 x 11.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 72.41
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ID: 501967
Weight: 1.71ct
Size: 14.8 x 3.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 56.44
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ID: 730495
Weight: 0.64ct
Size: 4.5 x 4.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 38.40
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ID: 363694
Weight: 29.06ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 57.54
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ID: 706886
Weight: 1.77ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.25
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ID: 568308
Weight: 4.03ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 38.68
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ID: 388048
Weight: 2.73ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 18.02
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ID: 718638
Weight: 10.92ct
Size: 22.6 x 12.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 65.52
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ID: 373064
Weight: 1.44ct
Size: 8 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 183.91
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ID: 720048
Weight: 1.86ct
Size: 7.6 x 6.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 55.80
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ID: 657909
Weight: 0.94ct
Size: 7.1 x 4.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.51
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ID: 693338
Weight: 2.21ct
Size: 6.5 x 6.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 73.27
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ID: 440110
Weight: 0.81ct
Size: 5.7 x 5 mm
Clarity: VS
Content: 1 pc
Price: $ 29.94
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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

Easy and convenient

Posted By Butch in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

So far, my experience was great...Thanks

Posted By Kaydi in May, 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 -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Okay thank you.

Posted By Bepc61 in March, 2025
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

Overall Rating -> 10 star ratings

This was a great time as always. The only problem I had was deciding between all the beautiful and affordable stones that met my requirements. I love shopping for sapphires!

Posted By Phoenix in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Nice website I just don't know much about the quality until I receive the stone.

Posted By Becky 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

Easy and convenient

Posted By Butch in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

So far, my experience was great...Thanks

Posted By Kaydi in May, 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 -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Okay thank you.

Posted By Bepc61 in March, 2025
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

Overall Rating -> 10 star ratings

This was a great time as always. The only problem I had was deciding between all the beautiful and affordable stones that met my requirements. I love shopping for sapphires!

Posted By Phoenix in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Nice website I just don't know much about the quality until I receive the stone.

Posted By Becky 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