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

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ID: 715802
Weight: 0.30ct
Size: 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 19.08
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ID: 433675
Weight: 4.60ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 30.36
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ID: 663359
Weight: 1.66ct
Size: 8.2 x 6.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.84
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ID: 640451
Weight: 0.84ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 9.07
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ID: 518625
Weight: 1.38ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 127.51
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ID: 648287
Weight: 0.76ct
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 27.36
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ID: 712255
Weight: 23.25ct
Size: 20.8 x 20.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 46.32
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ID: 348389
Weight: 2.55ct
Size: 21 x 4.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 84.16
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ID: 533401
Weight: 1.86ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Price: $ 14.81
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ID: 712865
Weight: 2.57ct
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.85
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ID: 486011
Weight: 2.46ct
Size: 9.2 x 6.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 22.73
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ID: 349394
Weight: 1.42ct
Size: 7.4 x 6.2 mm
Clarity: VS
Content: 1 pc
Price: $ 178.92
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ID: 689119
Weight: 0.87ct
Size: 11.9 x 3.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 8.35
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ID: 449815
Weight: 2.06ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.60
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ID: 386406
Weight: 6.02ct (total)
Size: 16.9 x 8.2 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 53.56
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ID: 565267
Weight: 22.62ct
Size: 24.9 x 15.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 17.02
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ID: 737287
Weight: 2.45ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 110.25
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ID: 370455
Weight: 13.80ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 27.32
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ID: 446165
Weight: 2.51ct
Size: 9.6 x 6.9 mm
Clarity: VS
Content: 1 pc
Price: $ 119.84
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ID: 346069
Weight: 15.35ct
Size: 16.8 x 13.8 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 26.35
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ID: 628407
Weight: 22.64ct
Size: 30.5 x 13.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 135.84
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ID: 606049
Weight: 17.66ct
Size: 21.9 x 16.6 mm
Clarity: VS
Content: 1 pc
Price: $ 163.18
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ID: 619198
Weight: 8.10ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 40.94
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ID: 724506
Weight: 0.20ct
Size: 6 x 3 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 33.60
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ID: 474077
Weight: 33.51ct
Size: 16.5 x 14.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 132.70
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ID: 633042
Weight: 16.43ct
Size: 19.7 x 12.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 87.34
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ID: 587719
Weight: 22.97ct
Size: 16 x 16 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 25.46
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ID: 453821
Weight: 2.42ct
Size: 11.1 x 7.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 22.36
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ID: 717947
Weight: 0.45ct
Size: 5 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 13.50
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ID: 732983
Weight: 0.84ct
Size: 6.4 x 4.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 20.16
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ID: 484126
Weight: 4.70ct
Size: 11.4 x 8.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 31.02
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ID: 715404
Weight: 0.43ct
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.35
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ID: 679239
Weight: 12.62ct
Size: 14 x 14 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 75.72
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ID: 480699
Weight: 3.02ct (total)
Size: 3.4 x 3.4 mm
Clarity: Translucent
Content: 30 pcs
Price: $ 25.84
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ID: 693478
Weight: 9.26ct
Size: 15.3 x 11.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 33.34
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ID: 497559
Weight: 1.84ct
Size: 8.2 x 6.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 48.58
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ID: 714769
Weight: 0.82ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 44.28
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ID: 654650
Weight: 1.29ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 10.84
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ID: 643528
Weight: 8.87ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 80.68
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ID: 730044
Weight: 9.08ct
Size: 16 x 12 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 871.68
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ID: 726039
Weight: 0.52ct
Size: 8.1 x 4.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 20.60
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ID: 394913
Weight: 5.90ct
Size: 10.4 x 10.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 38.94
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ID: 482476
Weight: 26.08ct
Size: 31.3 x 21.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.92
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ID: 309439
Weight: 0.72ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 40.87
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ID: 485290
Weight: 5.37ct (total)
Size: 7.6 x 7.4 mm
Clarity: Translucent
Content: 4 pcs
Price: $ 28.36
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ID: 458343
Weight: 1.57ct (total)
Size: 4.8 x 3.9 mm
Clarity: VS
Content: 4 pcs
Price: $ 207.24
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ID: 732956
Weight: 3.80ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 34.33
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ID: 526453
Weight: avg. 12.26 ct / each
Size: 12 mm (calibrated)
Clarity: Opaque
Price: $ 14.83
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ID: 511083
Weight: 7.47ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 59.16
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ID: 455512
Weight: 21.78ct (total)
Size: 20.9 x 15.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 28.75
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ID: 567117
Weight: 3.69ct
Size: 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 11.16
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ID: 488034
Weight: 1.69ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 44.51
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ID: 626196
Weight: 2.72ct
Size: 12.8 x 10.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 8.22
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ID: 363830
Weight: 20.05ct
Size: 29.8 x 19 mm
Clarity: Opaque
Content: 1 pc
Price: $ 52.93
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ID: 709137
Weight: 1.31ct
Size: 7.7 x 5.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 27.06
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ID: 497040
Weight: 1.98ct (total)
Size: 2.1 mm (calibrated)
Clarity: Transparent
Content: 30 pcs
Price: $ 13.07
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ID: 206357
Weight: 3.61ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS-SI
Content: 9 pcs
Price: $ 214.44
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ID: 407966
Weight: 6.97ct
Size: 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 16.48
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ID: 453056
Weight: 4.96ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 45.83
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ID: 514167
Weight: 9.82ct
Size: 13 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 22.03
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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 like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.

Posted By Nate 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

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 -> 10 star ratings

Awesome

Posted By D in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

This is a wonderful website

Posted By Bryan Diaz in September, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

Love the ease of access. Easy to find what you are looking for, and fair pricing.

Posted By NickBehnke in October, 2024
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 -> 10 star ratings

I like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.

Posted By Nate 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

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 -> 10 star ratings

Awesome

Posted By D in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

This is a wonderful website

Posted By Bryan Diaz in September, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

Love the ease of access. Easy to find what you are looking for, and fair pricing.

Posted By NickBehnke in October, 2024
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