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

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ID: 392144
Weight: 4.86ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 4 pcs
Price: $ 128.30
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ID: 492603
Weight: 5.35ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.70
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ID: 599846
Weight: 38.51ct
Size: 30.1 x 18.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 28.98
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ID: 411456
Weight: 2.01ct
Size: 8.9 x 6.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 49.91
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ID: 384165
Weight: 1.01ct
Size: 13.5 x 3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.73
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ID: 668117
Weight: 28.84ct
Size: 19.9 x 17.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 173.04
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ID: 500227
Weight: 1.56ct
Size: 12.2 x 5.9 mm
Clarity: VS
Content: 1 pc
Price: $ 14.41
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ID: 678005
Weight: 1.03ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 8.65
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ID: 555847
Weight: 0.82ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 6.49
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ID: 606780
Weight: 2.28ct
Size: 9 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.10
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ID: 644758
Weight: 8.39ct
Size: 15.1 x 11.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.90
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ID: 688972
Weight: 2.27ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.50
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ID: 484856
Weight: 18.93ct
Size: 21 x 16.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 220.90
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ID: 614800
Weight: 1.26ct
Size: 8 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 38.81
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ID: 711959
Weight: 1.65ct
Size: 7.8 x 6.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 39.60
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ID: 717168
Weight: 1.35ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 27.54
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ID: 686743
Weight: 0.26ct (total)
Size: 3.6 x 2.7 mm
Clarity: VS
Content: 2 pcs
Price: $ 17.16
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ID: 697241
Weight: 0.71ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 4.26
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ID: 394674
Weight: 13.33ct
Size: 15 x 15 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 52.79
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ID: 564207
Weight: 1.02ct
Size: 7.4 x 5.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 15.54
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ID: 411373
Weight: 3.39ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 84.16
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ID: 387770
Weight: 2.73ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 18.02
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ID: 372537
Weight: 25.51ct (total)
Size: 17.6 x 8.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 241.78
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ID: 434549
Weight: 1.70ct
Size: 6.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 44.88
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ID: 496471
Weight: 2.27ct
Size: 9 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 47.30
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ID: 730046
Weight: 3.48ct
Size: 13 x 9 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 334.08
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ID: 699125
Weight: 3.14ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 26.38
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ID: 737279
Weight: 2.24ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 100.80
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ID: 458785
Weight: 5.30ct
Size: 15 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 44.52
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ID: 411718
Weight: 3.03ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 139.99
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ID: 364378
Weight: 16.91ct
Size: 18 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.43
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ID: 492965
Weight: 5.44ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.35
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ID: 396376
Weight: 0.99ct
Size: 5.4 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 62.41
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ID: 705453
Weight: 27.90ct
Size: 23.3 x 17.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.78
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ID: 609884
Weight: 8.67ct
Size: 20.5 x 8.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 88.69
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ID: 707996
Weight: 5.76ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 9.54
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ID: 480895
Weight: 4.87ct (total)
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 34.72
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ID: 693888
Weight: 62.88ct
Size: 45.3 x 30.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 43.76
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ID: 673280
Weight: 0.93ct
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 3.35
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ID: 720076
Weight: 0.63ct
Size: 5 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 11.34
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ID: 694837
Weight: 27.56ct
Size: 20.2 x 16.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 190.50
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ID: 637190
Weight: 6.11ct
Size: 15.1 x 11.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 14.66
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ID: 420266
Weight: 13.32ct
Size: 20.4 x 16.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 35.16
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ID: 704463
Weight: 35.32ct
Size: 37.5 x 11.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 8.47
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ID: 711627
Weight: 22.03ct
Size: 23.2 x 16.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 185.05
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ID: 449991
Weight: 2.43ct (total)
Size: 6.9 x 5.4 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 32.08
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ID: 708647
Weight: 1.37ct
Size: 7.6 x 5.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 23.58
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ID: 626614
Weight: 0.95ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.78
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ID: 325877
Weight: 6.39ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Transparent/Translucent
Content: 4 pcs
Price: $ 22.78
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ID: 531814
Weight: 1.41ct
Size: 6.8 x 5.5 mm
Clarity: VS
Content: 1 pc
Price: $ 84.91
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ID: 460639
Weight: 2.36ct
Size: 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 21.80
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ID: 458401
Weight: 1.40ct (total)
Size: 4.3 x 3.5 mm
Clarity: VS
Content: 4 pcs
Price: $ 184.80
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ID: 537021
Weight: 1.59ct
Size: 8.1 x 4.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 6.30
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ID: 473690
Weight: 3.05ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 40.26
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ID: 348919
Weight: 52.10ct
Size: 35.7 x 31.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 68.77
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ID: 708494
Weight: 1.77ct
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 36.55
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ID: 667968
Weight: 4.21ct
Size: 12 x 11.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.26
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ID: 546639
Weight: 3.65ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 28.91
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ID: 534773
Weight: 3.11ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 24.64
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ID: 712439
Weight: 10.59ct
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 28.21
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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

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

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 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 -> 8 star ratings

Love the ease of access. Easy to find what you are looking for, and fair pricing.

Posted By NickBehnke in October, 2024
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 -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Its been a long time since Ive made any purchases Im satisfied with the quality.

Posted By Hard Case in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 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

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

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 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 -> 8 star ratings

Love the ease of access. Easy to find what you are looking for, and fair pricing.

Posted By NickBehnke in October, 2024
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 -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Its been a long time since Ive made any purchases Im satisfied with the quality.

Posted By Hard Case in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 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