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

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ID: 492525
Weight: 5.11ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.96
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ID: 517703
Weight: 42.35ct
Size: 31.9 x 22.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 43.60
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ID: 655913
Weight: 17.75ct
Size: 29.1 x 17.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 90.74
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ID: 636072
Weight: 7.42ct
Size: 20 x 10 mm (calibrated)
Clarity: VVS
Price: $ 62.33
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ID: 622743
Weight: 0.37ct
Size: 5.3 x 3.9 mm
Clarity: VS
Content: 1 pc
Price: $ 24.42
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ID: 490347
Weight: 1.46ct
Size: 6.8 x 6.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 120.26
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ID: 730111
Weight: 0.68ct
Size: 6.5 x 3.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 40.80
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ID: 715400
Weight: 22.20ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 213.12
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ID: 694188
Weight: 0.72ct
Size: 8.8 x 3.6 mm
Clarity: VS
Content: 1 pc
Price: $ 21.60
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ID: 545072
Weight: 1.46ct (total)
Size: 6.5 x 4.3 mm
Clarity: I1
Content: 2 pcs
Price: $ 38.54
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ID: 372536
Weight: 24.87ct (total)
Size: 17.6 x 8.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 98.48
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ID: 672592
Weight: 4.94ct (total)
Size: 11.3 x 7.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 13.93
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ID: 716364
Weight: 3.15ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 30.24
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ID: 510937
Weight: 23.63ct (total)
Size: 20.6 x 11.9 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 50.84
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ID: 590935
Weight: 3.12ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 32.90
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ID: 555870
Weight: 0.74ct
Size: 6.8 x 4.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 19.54
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ID: 663364
Weight: 3.45ct
Size: 12 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.98
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ID: 342684
Weight: 14.67ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 29.24
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ID: 584103
Weight: 15.99ct
Size: 26.3 x 17.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 46.44
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ID: 527704
Weight: 0.93ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 7.81
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ID: 463936
Weight: 5.08ct
Size: 12 mm (calibrated)
Clarity: VS
Price: $ 10.06
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ID: 494890
Weight: 4.34ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 31.22
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ID: 517935
Weight: 2.37ct
Size: 9.4 x 7.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 46.93
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ID: 390075
Weight: 1.03ct
Size: 7.2 x 5.6 mm
Clarity: VS
Content: 1 pc
Price: $ 66.73
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ID: 458598
Weight: 1.53ct (total)
Size: 4.5 x 3.7 mm
Clarity: VS
Content: 4 pcs
Price: $ 201.96
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ID: 674457
Weight: 5.77ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 48.47
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ID: 700087
Weight: 0.51ct
Size: 4.8 x 4.1 mm
Clarity: SI
Content: 1 pc
Price: $ 30.60
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ID: 659262
Weight: 2.01ct (total)
Size: 9 x 6 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 4.82
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ID: 726150
Weight: 0.45ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 4.32
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ID: 567155
Weight: 5.96ct
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 18.02
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ID: 733079
Weight: 0.57ct
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 23.94
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ID: 659276
Weight: 28.10ct
Size: 27.9 x 17.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 67.44
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ID: 655766
Weight: 0.71ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 17.04
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ID: 715336
Weight: 6.78ct
Size: 12.6 x 9.8 mm
Clarity: VS
Content: 1 pc
Price: $ 976.32
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ID: 696599
Weight: 12.59ct
Size: 16.6 x 14.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.67
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ID: 648735
Weight: 18.97ct
Size: 29.6 x 18.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.93
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ID: 596035
Weight: 0.56ct
Size: 5.6 x 3.9 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 20.83
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ID: 531540
Weight: 2.26ct
Size: 9.5 x 5.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 119.33
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ID: 456728
Weight: 1.56ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 14.41
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ID: 699060
Weight: 3.32ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 27.89
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ID: 418155
Weight: 9.73ct (total)
Size: 15 x 10 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 19.27
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ID: 650541
Weight: 3.50ct (total)
Size: 8 x 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 29.40
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ID: 716418
Weight: 3.02ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.99
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ID: 470809
Weight: 13.46ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 621.85
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ID: 442836
Weight: 3.99ct (total)
Size: 8 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 10.54
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ID: 687423
Weight: 12.56ct (total)
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 36.78
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ID: 737292
Weight: 1.96ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 88.20
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ID: 655266
Weight: 12.31ct
Size: 26.6 x 16.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.60
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ID: 566183
Weight: 1.98ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 45.04
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ID: 461764
Weight: 1.37ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 63.94
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ID: 693745
Weight: 0.53ct
Size: 5.3 x 4.1 mm
Clarity: VS
Content: 1 pc
Price: $ 31.80
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ID: 589459
Weight: 24.08ct
Size: 21.7 x 16.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 190.72
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ID: 501265
Weight: 5.84ct
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 53.96
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ID: 462641
Weight: 1.99ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 5 pcs
Price: $ 105.07
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ID: 723383
Weight: 1.60ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.36
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ID: 718268
Weight: 0.72ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 21.60
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ID: 582940
Weight: 1.03ct
Size: 8 x 5.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 54.38
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ID: 664241
Weight: 5.05ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 24.24
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ID: 679619
Weight: avg. 0.71 ct / each
Size: 8 x 4 mm (calibrated)
Clarity: Transparent
Price: $ 1.24
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ID: 451102
Weight: 1.28ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 11.83
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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

It was my second time so I understand what it is to do

Posted By Ibie in February, 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 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

I have ordered from Genselect before and always had a great experience. My go to source!

Posted By Kycaver in October, 2024
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

Excellent selection and easy to use, well done site

Posted By Steph in December, 2024
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

Great site always looking for great deals and find them on this site

Posted By IRO5812 in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 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

It was my second time so I understand what it is to do

Posted By Ibie in February, 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 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

I have ordered from Genselect before and always had a great experience. My go to source!

Posted By Kycaver in October, 2024
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

Excellent selection and easy to use, well done site

Posted By Steph in December, 2024
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

Great site always looking for great deals and find them on this site

Posted By IRO5812 in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 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