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

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ID: 712659
Weight: 3.62ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 52.13
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ID: 678056
Weight: 0.21ct
Size: 2.9 x 2.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 126.00
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ID: 437880
Weight: 1.65ct
Size: 20.7 x 3 mm
Clarity: VVS
Content: 1 pc
Price: $ 54.46
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ID: 518931
Weight: 1.60ct
Size: 11.2 x 4.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 126.72
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ID: 696407
Weight: 19.54ct
Size: 25.4 x 19.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.06
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ID: 706836
Weight: 4.99ct
Size: 21.5 x 9 mm
Clarity: VVS
Content: 1 pc
Price: $ 29.94
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ID: 453169
Weight: 1.44ct
Size: 7.7 x 6.4 mm
Clarity: VS
Content: 1 pc
Price: $ 161.57
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ID: 694398
Weight: 12.11ct
Size: 15 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 101.72
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ID: 426917
Weight: 9.88ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 45.65
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ID: 457915
Weight: 0.92ct
Size: 10.4 x 5.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 97.15
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ID: 471059
Weight: 1.63ct
Size: 8.4 x 8.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 15.06
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ID: 406141
Weight: 19.74ct
Size: 16 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 39.48
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ID: 713867
Weight: 1.83ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 15.37
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ID: 635646
Weight: 1.44ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 31.68
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ID: 471642
Weight: 9.55ct
Size: 15.8 x 12.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 88.25
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ID: 382190
Weight: 3.52ct (total)
Size: 3.5 mm (calibrated)
Clarity: VS
Content: 20 pcs
Price: $ 186.47
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ID: 478159
Weight: 1.24ct
Size: 12.8 x 5.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 163.68
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ID: 325965
Weight: 3.13ct
Size: 8.9 x 8.1 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 11.16
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ID: 712317
Weight: 8.49ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 22.62
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ID: 435340
Weight: 2.28ct
Size: 10 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 21.07
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ID: 698914
Weight: 0.98ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 8.23
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ID: 570185
Weight: 2.24ct
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 53.22
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ID: 647245
Weight: 29.31ct
Size: 19.2 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.34
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ID: 732443
Weight: 0.53ct
Size: 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 12.72
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ID: 442927
Weight: 3.55ct (total)
Size: 8 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 9.37
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ID: 635579
Weight: 0.85ct
Size: 9 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 22.44
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ID: 582537
Weight: 1.68ct
Size: 8.5 x 6.3 mm
Clarity: VS
Content: 1 pc
Price: $ 55.44
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ID: 474886
Weight: 1.74ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 16.08
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ID: 630777
Weight: 18.31ct
Size: 18.7 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 96.90
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ID: 724997
Weight: 0.83ct
Size: 8.5 x 3.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 34.86
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ID: 725843
Weight: 0.48ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 4.61
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ID: 472497
Weight: 22.59ct (total)
Size: 19.4 x 11.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 44.74
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ID: 390810
Weight: 2.11ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 136.31
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ID: 389961
Weight: 20.45ct
Size: 24.8 x 16.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 53.99
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ID: 718106
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.80
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ID: 686494
Weight: 12.27ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 14.72
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ID: 678023
Weight: 0.14ct
Size: 2.5 x 2.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 84.00
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ID: 716137
Weight: 3.76ct (total)
Size: 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 36.10
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ID: 565122
Weight: 4.22ct
Size: 12 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.85
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ID: 721931
Weight: 16.87ct
Size: 15.9 x 14.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.24
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ID: 576869
Weight: 9.68ct
Size: 19 x 12.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 11.29
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ID: 707735
Weight: 6.05ct
Size: 14.8 x 10.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 43.56
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ID: 500132
Weight: 1.92ct
Size: 12 x 5.9 mm
Clarity: VS
Content: 1 pc
Price: $ 17.74
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ID: 539844
Weight: 3.76ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.14
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ID: 721363
Weight: 24.27ct
Size: 19 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 29.12
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ID: 730293
Weight: 0.84ct
Size: 7.7 x 3.4 mm
Clarity: VS
Content: 1 pc
Price: $ 50.40
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ID: 726015
Weight: 0.82ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 32.48
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ID: 674639
Weight: 0.92ct (total)
Size: 8 x 4 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 6.62
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ID: 646703
Weight: 16.97ct (total)
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 22.40
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ID: 517331
Weight: 24.04ct
Size: 16 x 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.25
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ID: 661877
Weight: 25.92ct
Size: 34.4 x 16.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 80.87
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ID: 500917
Weight: 14.82ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 95.69
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ID: 434857
Weight: 30.50ct
Size: 29.1 x 19.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.26
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ID: 485227
Weight: 14.05ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 67.44
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ID: 554939
Weight: 26.76ct
Size: 17.6 x 14 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.50
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ID: 580139
Weight: 1.84ct
Size: 8.3 x 6.3 mm
Clarity: VS
Content: 1 pc
Price: $ 18.31
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ID: 625257
Weight: 0.92ct
Size: 5.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 18.78
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ID: 360262
Weight: 30.12ct
Size: 22.4 x 16.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 79.51
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ID: 712885
Weight: 1.23ct
Size: 7 x 5.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 24.56
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ID: 564231
Weight: 3.14ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 20.72
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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 searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 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 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 -> 9 star ratings

I love the gems!

Posted By MM in April, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Easy website to navigate, lots of different varieties and options to choose from.

Posted By Brian in July, 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 -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones. .

Posted By Steven M. in February, 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 searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 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 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 -> 9 star ratings

I love the gems!

Posted By MM in April, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Easy website to navigate, lots of different varieties and options to choose from.

Posted By Brian in July, 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 -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones. .

Posted By Steven M. in February, 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