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

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ID: 589461
Weight: 27.14ct
Size: 25.1 x 15.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 214.94
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ID: 551437
Weight: 2.76ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 24.92
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ID: 469431
Weight: 15.49ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 32.30
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ID: 566482
Weight: 0.69ct
Size: 6 x 4 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 17.30
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ID: 475417
Weight: 4.54ct
Size: 14.4 x 10.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 43.26
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ID: 445893
Weight: 5.44ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 14.42
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ID: 716106
Weight: 2.87ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 27.55
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ID: 411354
Weight: 0.91ct
Size: 7.7 x 4.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 49.28
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ID: 491572
Weight: 65.25ct (total)
Size: 20 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 76.66
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ID: 534618
Weight: 2.87ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 22.73
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ID: 672542
Weight: 0.86ct
Size: 6.1 x 4.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 3.10
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ID: 737900
Weight: 0.94ct
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 5.20
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ID: 315566
Weight: 3.10ct (total)
Size: 3 x 3 mm (calibrated)
Clarity: Transparent
Content: 20 pcs
Price: $ 69.56
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ID: 679134
Weight: 2.77ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.27
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ID: 410655
Weight: 8.46ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 55.84
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ID: 468970
Weight: 1.70ct (total)
Size: 3.3 mm
Clarity: VS-SI
Content: 10 pcs
Price: $ 81.60
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ID: 449984
Weight: 2.52ct (total)
Size: 6.9 x 5.4 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 33.26
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ID: 682558
Weight: 0.53ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 9.54
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ID: 605868
Weight: 23.48ct
Size: 22 x 18.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 197.23
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ID: 446103
Weight: 5.25ct
Size: 14.1 x 10.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.32
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ID: 700743
Weight: 1.04ct
Size: 6.3 x 5.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 44.81
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ID: 456337
Weight: 4.43ct
Size: 12.9 x 8.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 40.93
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ID: 559195
Weight: 2.63ct
Size: 9 x 7 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 53.99
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ID: 479285
Weight: 2.86ct (total)
Size: 10.2 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 30.20
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ID: 694408
Weight: 5.50ct
Size: 15 x 8.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 46.20
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ID: 560581
Weight: 4.75ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 43.90
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ID: 511215
Weight: 4.55ct
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 60.06
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ID: 528891
Weight: 1.69ct
Size: 7.8 x 6.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 33.47
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ID: 503763
Weight: 5.20ct (total)
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 48.05
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ID: 547263
Weight: 3.02ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 19.93
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ID: 684820
Weight: 17.25ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 17.18
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ID: 683993
Weight: 0.45ct
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 18.90
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ID: 433625
Weight: 51.67ct
Size: 39 x 22.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 68.21
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ID: 648447
Weight: 2.15ct (total)
Size: 7.2 x 6 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 5.16
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ID: 712343
Weight: 5.32ct
Size: 16 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 14.17
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ID: 400743
Weight: 4.27ct
Size: 9.7 x 9.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 28.19
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ID: 718231
Weight: 1.47ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 44.10
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ID: 479232
Weight: 6.66ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: Transparent
Content: 20 pcs
Price: $ 9.32
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ID: 646740
Weight: 1.72ct
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 61.92
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ID: 650723
Weight: 1.67ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 14.03
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ID: 493104
Weight: 5.77ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.74
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ID: 333662
Weight: 12.23ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 22.01
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ID: 691635
Weight: 0.56ct
Size: 4.9 x 4.4 mm
Clarity: VS
Content: 1 pc
Price: $ 47.04
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ID: 707078
Weight: 2.78ct
Size: 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.69
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ID: 322519
Weight: 6.06ct (total)
Size: 7.5 x 6.4 mm
Clarity: Transparent
Content: 4 pcs
Price: $ 40.00
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ID: 481350
Weight: 31.02ct
Size: 31.6 x 22.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 30.72
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ID: 693450
Weight: 23.22ct
Size: 35.7 x 9.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 8.36
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ID: 367206
Weight: 6.28ct
Size: 14.3 x 8.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 42.68
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ID: 721556
Weight: 11.68ct
Size: 22.3 x 13.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.05
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ID: 465220
Weight: 4.22ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 36.94
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ID: 711608
Weight: 1.01ct
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 20.17
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ID: 697432
Weight: 5.78ct
Size: 15.2 x 9.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.62
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ID: 400081
Weight: 5.91ct (total)
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 19.50
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ID: 499261
Weight: 1.92ct
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 34.46
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ID: 600433
Weight: 47.22ct
Size: 31.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.53
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ID: 387768
Weight: 2.94ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 19.40
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ID: 384483
Weight: 13.14ct
Size: 18.8 x 15 mm
Clarity: Translucent
Content: 1 pc
Price: $ 34.69
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ID: 674447
Weight: 11.23ct
Size: 28 x 18.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.86
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ID: 708315
Weight: 6.40ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 10.60
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ID: 369514
Weight: 8.93ct
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 38.18
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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

Great website, no hassle, easy check out and found everything I needed quickly

Posted By Chris in September, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 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

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

I really liked the email, and the link that help return me to the site. I didnt have access to my card info while checking out and I had to put my phone away so I lost the tab. Fortunately, since I did give an email- they sent me a link that brought me back to where I was. Greatly appreciated

Posted By Jag in January, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
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 have bought from you before and have found your gems exceed my expectations. I have been very satisfied with all gems sent to me. I will be back. Thanks....

Posted By Dork in September, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

Site is easy to navigate - details on cut, polish, and finish work and techniques were helpful. 3d view or wireframe diagram of stones would be nice.

Posted By Tb in August, 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

Great website, no hassle, easy check out and found everything I needed quickly

Posted By Chris in September, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 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

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

I really liked the email, and the link that help return me to the site. I didnt have access to my card info while checking out and I had to put my phone away so I lost the tab. Fortunately, since I did give an email- they sent me a link that brought me back to where I was. Greatly appreciated

Posted By Jag in January, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
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 have bought from you before and have found your gems exceed my expectations. I have been very satisfied with all gems sent to me. I will be back. Thanks....

Posted By Dork in September, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

Site is easy to navigate - details on cut, polish, and finish work and techniques were helpful. 3d view or wireframe diagram of stones would be nice.

Posted By Tb in August, 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