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

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ID: 399234
Weight: 17.69ct
Size: 34.9 x 14.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.35
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ID: 689797
Weight: 3.65ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 20.10
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ID: 727934
Weight: 0.69ct
Size: 5.2 x 4.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.14
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ID: 620784
Weight: 3.93ct (total)
Size: 12 x 6 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 41.50
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ID: 474960
Weight: 2.54ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 83.82
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ID: 500207
Weight: 3.22ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 8 pcs
Price: $ 29.75
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ID: 518612
Weight: 2.46ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 16.24
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ID: 679203
Weight: 2.60ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 21.84
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ID: 468977
Weight: 1.75ct (total)
Size: 3.1 mm
Clarity: VS-SI
Content: 10 pcs
Price: $ 92.40
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ID: 644191
Weight: 1.16ct
Size: 7 x 5.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 27.84
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ID: 672667
Weight: 1.53ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 36.72
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ID: 727850
Weight: 1.02ct
Size: 6.4 x 5.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 6.12
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ID: 501553
Weight: 36.06ct (total)
Size: 33.7 x 13.6 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 142.80
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ID: 612252
Weight: 1.90ct
Size: 7.2 x 6.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 12.54
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ID: 698716
Weight: 1.23ct
Size: 6.9 x 5.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 7.38
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ID: 451556
Weight: 4.66ct (total)
Size: 2.1 mm (calibrated)
Clarity: VS
Content: 100 pcs
Price: $ 246.05
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ID: 578040
Weight: 1.09ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 57.55
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ID: 640383
Weight: 1.38ct
Size: 6.8 x 6.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 9.11
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ID: 727964
Weight: 3.04ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 7.30
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ID: 680685
Weight: 0.74ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 22.20
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ID: 706626
Weight: 5.88ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.00
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ID: 732951
Weight: 3.38ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.54
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ID: 663018
Weight: 1.09ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 20.93
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ID: 636638
Weight: 1.54ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 44.35
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ID: 724900
Weight: 11.26ct
Size: 13.3 x 11.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.84
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ID: 724532
Weight: 1.08ct
Size: 10 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.00
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ID: 556983
Weight: 2.68ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 22.43
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ID: 492793
Weight: 4.82ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.86
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ID: 206864
Weight: 2.41ct (total)
Size: 4 mm (calibrated)
Clarity: VS-SI
Content: 9 pcs
Price: $ 143.16
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ID: 406934
Weight: 8.66ct
Size: 16.1 x 12.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.23
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ID: 483545
Weight: 1.39ct
Size: 6.6 x 5.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 119.27
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ID: 706477
Weight: 19.18ct
Size: 17.4 x 15.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.13
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ID: 565402
Weight: 7.97ct
Size: 18.9 x 11.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 31.56
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ID: 710760
Weight: 12.62ct
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 33.62
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ID: 442953
Weight: 3.58ct (total)
Size: 8 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 9.46
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ID: 656112
Weight: 1.00ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 24.00
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ID: 433858
Weight: 4.22ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 27.85
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ID: 687964
Weight: 2.83ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 3.40
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ID: 711026
Weight: 18.10ct
Size: 21 x 15.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 152.04
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ID: 733462
Weight: 3.02ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 27.29
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ID: 499599
Weight: 1.82ct
Size: 12.1 x 6 mm
Clarity: VS
Price: $ 16.81
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ID: 721020
Weight: 30.81ct
Size: 29 x 19.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.97
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ID: 648454
Weight: 16.11ct
Size: 24.1 x 15.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.28
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ID: 651061
Weight: 1.73ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 14.53
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ID: 519888
Weight: 1.89ct
Size: 7.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 49.90
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ID: 502046
Weight: 2.05ct
Size: 12 x 5.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 21.65
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ID: 491466
Weight: 23.79ct
Size: 26.1 x 21.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.08
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ID: 662711
Weight: 1.86ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.62
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ID: 449603
Weight: 4.34ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 28.64
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ID: 395317
Weight: 10.56ct
Size: 14 x 14 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 69.70
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ID: 382311
Weight: 3.02ct (total)
Size: 3.5 mm (calibrated)
Clarity: VS
Content: 20 pcs
Price: $ 159.97
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ID: 526565
Weight: 2.33ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 24.60
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ID: 712709
Weight: 7.64ct (total)
Size: 16 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 20.35
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ID: 689112
Weight: 2.13ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.74
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ID: 707212
Weight: 2.30ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.52
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ID: 626944
Weight: 23.04ct
Size: 23.6 x 13.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 120.74
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ID: 669032
Weight: avg. 1.83 ct / each
Size: 8 mm (calibrated)
Clarity: Opaque
Price: $ 8.24
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ID: 727057
Weight: 0.76ct
Size: 9 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 22.80
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ID: 664768
Weight: 0.74ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 7.99
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ID: 718520
Weight: 18.72ct
Size: 15 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.05
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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

I found exactly what I was looking for and ordered it. I like how you give information on the stones I'm buying. Glad I found you!

Posted By TheP in April, 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

Overall Rating -> 10 star ratings

I always enjoy the selection and the unique cuts I can find here. I would love to see more hex cuts tho! Maybe some rose cuts too!

Posted By Blkfower83 in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I like the way your website shows us what stone were buying as well the easy way to navigate the site. also knowing the stones are real...

Posted By RED in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy and to the point

Posted By Victorius in May, 2025
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

Awesome

Posted By D in December, 2024
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

Always excellent quality and service from GemSelect

Posted By Mike B. in September, 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

I found exactly what I was looking for and ordered it. I like how you give information on the stones I'm buying. Glad I found you!

Posted By TheP in April, 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

Overall Rating -> 10 star ratings

I always enjoy the selection and the unique cuts I can find here. I would love to see more hex cuts tho! Maybe some rose cuts too!

Posted By Blkfower83 in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I like the way your website shows us what stone were buying as well the easy way to navigate the site. also knowing the stones are real...

Posted By RED in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy and to the point

Posted By Victorius in May, 2025
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

Awesome

Posted By D in December, 2024
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

Always excellent quality and service from GemSelect

Posted By Mike B. in September, 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