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

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ID: 706792
Weight: 2.33ct
Size: 10.1 x 7.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 22.37
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ID: 501185
Weight: 5.22ct
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 48.23
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ID: 205738
Weight: 2.24ct (total)
Size: 4 mm (calibrated)
Clarity: VS
Content: 9 pcs
Price: $ 133.06
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ID: 648875
Weight: 7.97ct (total)
Size: 12 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 14.35
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ID: 511216
Weight: 5.13ct
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 67.72
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ID: 721512
Weight: 24.00ct
Size: 19.3 x 15.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 28.80
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ID: 736590
Weight: 38.92ct
Size: 29.8 x 20.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.58
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ID: 715340
Weight: 1.88ct
Size: 10.4 x 4.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 270.72
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ID: 338684
Weight: 1.22ct
Size: 6.8 x 6.7 mm
Clarity: SI
Content: 1 pc
Price: $ 66.83
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ID: 381790
Weight: 3.91ct (total)
Size: 3.7 mm
Clarity: VS
Content: 20 pcs
Price: $ 206.92
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ID: 438011
Weight: 2.06ct
Size: 8.5 x 6.7 mm
Clarity: VS
Content: 1 pc
Price: $ 86.52
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ID: 647584
Weight: 29.90ct
Size: 37.5 x 23.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.88
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ID: 565506
Weight: 3.42ct
Size: 12 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 22.57
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ID: 719754
Weight: 2.53ct
Size: 8.2 x 7.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 75.90
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ID: 617530
Weight: 2.01ct
Size: 8.2 x 6.8 mm
Clarity: VS
Content: 1 pc
Price: $ 42.74
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ID: 715590
Weight: 3.39ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 32.54
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ID: 572773
Weight: 1.26ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 49.90
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ID: 521351
Weight: 7.19ct
Size: 13.4 x 11.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 56.94
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ID: 479836
Weight: 3.57ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 32.99
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ID: 735122
Weight: 0.61ct
Size: 5.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 36.60
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ID: 663334
Weight: 4.18ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.03
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ID: 548978
Weight: 3.97ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.21
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ID: 465819
Weight: 8.14ct
Size: 14 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 16.12
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ID: 697054
Weight: 51.48ct
Size: 33.9 x 20.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.21
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ID: 619996
Weight: 8.74ct (total)
Size: 12 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 23.08
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ID: 664763
Weight: 0.96ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 10.37
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ID: 611670
Weight: 2.00ct
Size: 7.7 x 6.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 13.20
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ID: 392220
Weight: 58.38ct
Size: 39.8 x 23.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 115.62
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ID: 365322
Weight: 4.07ct (total)
Size: 6.6 x 5.6 mm
Clarity: VVS-VS
Content: 4 pcs
Price: $ 149.18
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ID: 721617
Weight: 7.74ct
Size: 21.7 x 11.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 27.86
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ID: 559513
Weight: 2.00ct
Size: 8 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 41.05
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ID: 708464
Weight: 1.52ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 31.39
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ID: 543872
Weight: 0.91ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.41
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ID: 722725
Weight: 14.33ct
Size: 23.4 x 14.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 120.37
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ID: 687075
Weight: 0.28ct
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 13.44
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ID: 474580
Weight: 1.69ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 15.61
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ID: 673566
Weight: 27.24ct
Size: 23.7 x 17.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 490.32
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ID: 689001
Weight: 4.22ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 23.24
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ID: 387715
Weight: 2.92ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 19.27
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ID: 704579
Weight: 1.18ct
Size: 10 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 29.50
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ID: 291481
Weight: 12.11ct
Size: 22.9 x 11.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 43.96
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ID: 541525
Weight: 1.54ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.19
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ID: 673517
Weight: 2.76ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 66.24
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ID: 658346
Weight: 8.72ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.46
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ID: 663000
Weight: 1.08ct
Size: 6.5 x 5.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 6.48
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ID: 699579
Weight: 5.71ct
Size: 15.6 x 10.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 5.48
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ID: 624267
Weight: 1.63ct
Size: 7.6 x 6.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 10.76
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ID: 704547
Weight: 2.21ct
Size: 12.6 x 9.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 66.30
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ID: 364142
Weight: 1.38ct
Size: 13.3 x 3.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 36.53
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ID: 392667
Weight: 11.60ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 76.56
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ID: 715116
Weight: 2.50ct (total)
Size: 6.5 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 6.48
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ID: 713746
Weight: 0.88ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.78
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ID: 565157
Weight: 0.19ct (total)
Size: 2.9 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 415.91
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ID: 550369
Weight: 1.34ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Price: $ 10.08
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ID: 738696
Weight: 0.54ct
Size: 5 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 4.86
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ID: 350711
Weight: 1.15ct
Size: 17.3 x 2.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 33.40
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ID: 534623
Weight: 2.59ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 20.51
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ID: 728205
Weight: 0.65ct
Size: 5.7 x 4.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 3.90
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ID: 708052
Weight: 6.44ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 6.18
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ID: 724675
Weight: 0.16ct
Size: 3 x 3 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 26.88
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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

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight in March, 2025
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

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

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

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
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

I found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar

Posted By TheP in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I'm happy.

Posted By Ray in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mmThanks

Posted By Ibie 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

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight in March, 2025
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

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

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

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
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

I found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar

Posted By TheP in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I'm happy.

Posted By Ray in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mmThanks

Posted By Ibie 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