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

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

Discover loose untreated gemstones in our curated selection. Find unheated sapphires, untreated rubies, and virgin untreated stones, our collection highlights the beauty of nature’s finest treasures. Perfect for engagement rings, heirloom pieces, or collectors, our certified untreated gems and GIA-certified natural gems ensure authenticity and quality. Experience the allure of authentic untreated crystals and precious untreated gemstones today.

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ID: 422984
Weight: 69.17ct (total)
Size: 14 mm (calibrated)
Clarity: Opaque
Content: 3 pcs
Price: $ 73.04
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ID: 669731
Weight: 32.39ct
Size: 22.3 x 20.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 97.18
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ID: 675355
Weight: 169.73ct
Size: 37.3 x 30.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4,169.24
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ID: 206754
Weight: 3.64ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS-SI
Content: 9 pcs
Price: $ 196.56
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ID: 679064
Weight: 21.38ct
Size: 20.5 x 15.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 64.57
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ID: 518170
Weight: 13.71ct
Size: 21 x 14.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 52.30
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ID: 691229
Weight: 0.66ct
Size: 5 x 5 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 33.00
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ID: 359778
Weight: 29.74ct
Size: 22 x 16.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 78.52
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ID: 491463
Weight: 43.96ct
Size: 36.4 x 24.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 77.76
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ID: 488996
Weight: 33.54ct
Size: 20.5 x 18.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 68.05
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ID: 670197
Weight: 9.15ct
Size: 13.4 x 11.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 158.17
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ID: 474374
Weight: 3.90ct
Size: 20 x 13.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.81
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ID: 498598
Weight: 1.10ct
Size: 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 58.08
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ID: 472832
Weight: 4.17ct
Size: 14.3 x 10.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 57.73
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ID: 655917
Weight: 14.47ct
Size: 35.4 x 17 mm
Clarity: Opaque
Content: 1 pc
Price: $ 73.97
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ID: 475302
Weight: 7.13ct
Size: 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 59.89
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ID: 482245
Weight: 2.10ct
Size: 8.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 15.14
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ID: 481778
Weight: 0.84ct
Size: 5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 15.14
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ID: 532239
Weight: 7.57ct
Size: 12.9 x 10.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 54.96
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ID: 450371
Weight: 11.87ct
Size: 17.4 x 10 mm
Clarity: VVS
Content: 1 pc
Price: $ 3,561.00
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ID: 521447
Weight: 35.09ct
Size: 28.7 x 21.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 277.91
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ID: 674986
Weight: 29.24ct
Size: 28.5 x 19.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.32
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ID: 714475
Weight: 4.15ct
Size: 12.8 x 8.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 622.50
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ID: 526451
Weight: avg. 1.08 ct / each
Size: 8 x 6 mm (calibrated)
Clarity: VS
Price: $ 17.83
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ID: 439657
Weight: 8.21ct
Size: 13.6 x 10.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 162.56
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ID: 396053
Weight: 15.17ct
Size: 14 x 14 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 675.73
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ID: 510934
Weight: 37.10ct (total)
Size: 18.4 x 15 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 79.82
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ID: 558376
Weight: 1.34ct
Size: 7.1 x 5.3 mm
Clarity: VS
Content: 1 pc
Price: $ 709.50
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ID: 631671
Weight: 14.60ct
Size: 27.7 x 14.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 66.40
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ID: 645790
Weight: 23.11ct
Size: 21.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.03
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ID: 585683
Weight: 15.45ct
Size: 24.1 x 15.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 101.98
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ID: 349458
Weight: 1.36ct
Size: 8.4 x 6.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 171.36
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ID: 643537
Weight: 9.41ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 85.60
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ID: 492277
Weight: 9.14ct
Size: 19.7 x 10.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 24.02
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ID: 619125
Weight: 2.09ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 57.48
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ID: 692707
Weight: 29.03ct
Size: 20 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 203.21
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ID: 655915
Weight: 21.19ct
Size: 33.4 x 16.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 108.32
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ID: 442155
Weight: 3.89ct (total)
Size: 7 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 85.58
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ID: 562674
Weight: 3.05ct
Size: 13 x 6.9 mm
Clarity: SI
Content: 1 pc
Price: $ 161.04
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ID: 648645
Weight: 29.75ct
Size: 27.4 x 18.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.14
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ID: 350679
Weight: 26.39ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 139.34
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ID: 522410
Weight: 20.80ct
Size: 32.3 x 16.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 137.28
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ID: 338674
Weight: 3.17ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: SI
Content: 2 pcs
Price: $ 144.72
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ID: 253183
Weight: 0.73ct
Size: 7.1 x 3.5 mm
Clarity: VS
Content: 1 pc
Price: $ 96.36
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ID: 576000
Weight: 4.38ct
Size: 12.5 x 12.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 131.40
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ID: 578039
Weight: 3.45ct
Size: 11.3 x 8.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 1,725.00
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ID: 503395
Weight: 10.05ct
Size: 17.2 x 9 mm
Clarity: VVS
Content: 1 pc
Price: $ 2,387.88
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ID: 391994
Weight: 40.83ct
Size: 27.6 x 27.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 53.89
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ID: 626298
Weight: 21.39ct
Size: 16 x 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 197.64
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ID: 521204
Weight: 45.06ct
Size: 30 x 19.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 227.21
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ID: 338882
Weight: 2.12ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 97.94
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ID: 595266
Weight: 26.05ct
Size: 19.7 x 19.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 85.97
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ID: 692955
Weight: 96.70ct
Size: 32.3 x 27.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 92.83
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ID: 691480
Weight: 9.68ct
Size: 15.2 x 10.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 320.95
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ID: 623678
Weight: 4.55ct
Size: 10.7 x 10.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 77.23
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ID: 656737
Weight: avg. 2.17 ct / each
Size: 12 x 6 mm (calibrated)
Clarity: Opaque
Price: $ 2.56
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ID: 650671
Weight: 20.48ct
Size: 28.2 x 19.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 48.13
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ID: 458684
Weight: 0.90ct (total)
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 195.43
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ID: 523720
Weight: 17.29ct
Size: 27 x 17.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 114.12
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ID: 589834
Weight: 2.65ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 79.90
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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 -> 8 star ratings

Loved the lot buy options

Posted By BDG in October, 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

Im not a jeweler, I buy for my personal use. My dad was a jewelry maker and I love gemstones.

Posted By Andie in September, 2024
Source: Bizrate

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

When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.

Posted By LeAnn in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good products

Posted By Brave in October, 2024
Source: Bizrate

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 -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

The website was nice and I bought some gems

Posted By Jay 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 -> 8 star ratings

Loved the lot buy options

Posted By BDG in October, 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

Im not a jeweler, I buy for my personal use. My dad was a jewelry maker and I love gemstones.

Posted By Andie in September, 2024
Source: Bizrate

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

When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.

Posted By LeAnn in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good products

Posted By Brave in October, 2024
Source: Bizrate

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 -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

The website was nice and I bought some gems

Posted By Jay 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