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

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ID: 463004
Weight: 4.18ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 33.11
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ID: 624172
Weight: 0.77ct
Size: 5 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 8.14
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ID: 436651
Weight: 4.15ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 13.48
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ID: 724929
Weight: 26.38ct
Size: 25.2 x 14.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 94.97
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ID: 560989
Weight: 0.88ct (total)
Size: 4.3 x 4.3 mm
Clarity: VS
Content: 2 pcs
Price: $ 8.14
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ID: 474030
Weight: 1.94ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.93
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ID: 394381
Weight: 7.07ct
Size: 12 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 46.67
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ID: 713712
Weight: 0.77ct
Size: 7.6 x 5.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 6.47
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ID: 639104
Weight: 1.42ct (total)
Size: 6.2 x 4.2 mm
Clarity: VVS
Content: 2 pcs
Price: $ 11.93
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ID: 474083
Weight: 4.67ct
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 43.15
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ID: 397513
Weight: 12.09ct
Size: 14 x 14 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 79.80
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ID: 718562
Weight: 7.75ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 46.50
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ID: 461640
Weight: 1.10ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 51.35
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ID: 463934
Weight: 5.05ct
Size: 11 mm (calibrated)
Clarity: VS
Price: $ 10.01
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ID: 686514
Weight: 0.25ct
Size: 4.7 x 2.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 16.50
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ID: 695160
Weight: 2.34ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 6.46
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ID: 684527
Weight: 0.05ct
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 14.59
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ID: 485606
Weight: 34.74ct (total)
Size: 15 x 15 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 41.69
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ID: 679337
Weight: avg. 6.14 ct / each
Size: 26.1 x 9 mm
Clarity: VVS
Price: $ 42.98
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ID: 685140
Weight: 0.09ct (total)
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 31.50
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ID: 364126
Weight: 11.88ct
Size: 22.2 x 16.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.37
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ID: 475497
Weight: 7.21ct
Size: 16 x 12 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 66.62
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ID: 418414
Weight: 9.55ct
Size: 13 x 12.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 18.90
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ID: 715426
Weight: 4.37ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.95
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ID: 595204
Weight: 3.02ct (total)
Size: 9.2 x 6.7 mm
Clarity: VS
Content: 2 pcs
Price: $ 79.73
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ID: 366801
Weight: 8.53ct
Size: 15.9 x 9.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 58.44
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ID: 697594
Weight: 0.46ct (total)
Size: 3.5 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 9.94
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ID: 660221
Weight: 1.49ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 35.76
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ID: 459823
Weight: 7.71ct
Size: 17.2 x 12.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 71.24
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ID: 476588
Weight: 5.03ct
Size: 15 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 46.30
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ID: 680965
Weight: 1.01ct
Size: 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 33.00
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ID: 721633
Weight: 12.35ct
Size: 15.8 x 13.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.82
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ID: 494853
Weight: 29.07ct
Size: 29.4 x 16.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 18.84
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ID: 410665
Weight: 9.67ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 63.83
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ID: 730289
Weight: 0.84ct
Size: 4.7 x 4.6 mm
Clarity: VS
Content: 1 pc
Price: $ 50.40
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ID: 711523
Weight: 3.84ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 55.30
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ID: 689154
Weight: 4.09ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 22.52
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ID: 547731
Weight: 8.85ct
Size: 14 x 12 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 350.46
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ID: 639071
Weight: 1.12ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 28.09
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ID: 730868
Weight: 17.61ct (total)
Size: 20.7 x 12.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 12.05
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ID: 486667
Weight: 5.80ct
Size: 13.4 x 9.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 59.17
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ID: 457722
Weight: 0.84ct
Size: 8.5 x 4.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 88.70
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ID: 658612
Weight: 16.66ct
Size: 15.2 x 14 mm
Clarity: Opaque
Content: 1 pc
Price: $ 24.40
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ID: 650426
Weight: 31.63ct
Size: 27.1 x 21.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.98
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ID: 481864
Weight: 1.79ct (total)
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 94.77
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ID: 554043
Weight: 1.66ct
Size: 7.4 x 5.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 43.82
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ID: 666801
Weight: 2.81ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 57.62
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ID: 728143
Weight: 1.18ct
Size: 6.4 x 5.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 7.08
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ID: 694102
Weight: 42.95ct
Size: 40.5 x 10.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 4.30
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ID: 525328
Weight: 0.64ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 22.22
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ID: 460954
Weight: 4.65ct
Size: 12 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.06
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ID: 482008
Weight: 1.22ct
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 6.44
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ID: 697115
Weight: 2.71ct
Size: 13.3 x 9.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 68.43
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ID: 361826
Weight: 23.84ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 31.46
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ID: 492068
Weight: 11.57ct
Size: 17 x 13.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 43.52
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ID: 423449
Weight: 35.25ct (total)
Size: 13 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 46.54
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ID: 412238
Weight: 3.02ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 19.93
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ID: 531984
Weight: 2.28ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.04
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ID: 638873
Weight: 1.26ct
Size: 7.8 x 5.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 7.56
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ID: 691706
Weight: 0.31ct
Size: 4.4 x 3.7 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 18.60
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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 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

I'm happy.

Posted By Ray 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 love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.

Posted By Bryan De David in April, 2025
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

Helpselect accomplished all personal growth goals

Posted By Mike in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Ive been looking for a place to buy loose gemstones for years and was thrilled when I found this site

Posted By Bern in October, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a 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

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

I'm happy.

Posted By Ray 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 love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.

Posted By Bryan De David in April, 2025
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

Helpselect accomplished all personal growth goals

Posted By Mike in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Ive been looking for a place to buy loose gemstones for years and was thrilled when I found this site

Posted By Bern in October, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a 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