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

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ID: 669408
Weight: 8.83ct
Size: 14.1 x 9.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 52.98
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ID: 501586
Weight: 2.12ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 16.79
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ID: 701306
Weight: 11.01ct
Size: 15 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 66.06
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ID: 560422
Weight: 1.64ct
Size: 7.9 x 6.6 mm
Clarity: SI
Content: 1 pc
Price: $ 36.80
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ID: 435002
Weight: 28.60ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 37.75
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ID: 485294
Weight: 5.65ct (total)
Size: 7.8 x 7.7 mm
Clarity: Translucent
Content: 4 pcs
Price: $ 29.83
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ID: 474020
Weight: 1.40ct
Size: 7.6 x 5.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 5.54
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ID: 540084
Weight: 1.44ct
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 29.11
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ID: 653423
Weight: 11.05ct
Size: 19 x 12.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.34
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ID: 435376
Weight: 4.28ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 33.90
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ID: 516618
Weight: 1.51ct
Size: 10.8 x 4.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 119.59
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ID: 366369
Weight: 1.31ct
Size: 7.5 x 5.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 184.03
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ID: 686706
Weight: 2.47ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 2.96
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ID: 679144
Weight: 21.69ct
Size: 23.8 x 14.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 130.14
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ID: 638870
Weight: 2.14ct
Size: 7.4 x 7.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 12.84
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ID: 608952
Weight: 1.29ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 42.58
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ID: 728031
Weight: 1.91ct
Size: 8.5 x 5.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 11.46
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ID: 664216
Weight: 1.20ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 12.96
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ID: 610612
Weight: avg. 0.45 ct / each
Size: 6 x 5.1 mm
Clarity: VS
Price: $ 3.46
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ID: 439126
Weight: 9.77ct
Size: 22.3 x 9.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 27.98
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ID: 497821
Weight: 3.58ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 24.71
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ID: 338298
Weight: 10.58ct
Size: 20.1 x 9.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.92
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ID: 381727
Weight: 1.74ct
Size: 8 x 6.5 mm
Clarity: SI
Content: 1 pc
Price: $ 143.97
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ID: 612867
Weight: 6.27ct
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 20.69
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ID: 732995
Weight: 0.35ct
Size: 4.2 x 4.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 14.70
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ID: 715392
Weight: 11.76ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 112.90
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ID: 618764
Weight: 10.47ct
Size: 25.4 x 12.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 69.11
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ID: 575188
Weight: 1.23ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 129.89
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ID: 659264
Weight: 2.07ct (total)
Size: 9 x 6 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 4.97
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ID: 496773
Weight: 2.03ct
Size: 8.4 x 7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 53.59
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ID: 483631
Weight: 1.23ct
Size: 6.4 x 6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 97.42
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ID: 712455
Weight: 10.37ct (total)
Size: 16 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 27.62
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ID: 497506
Weight: 2.00ct
Size: 8.5 x 7.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 52.80
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ID: 664641
Weight: 1.81ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 39.10
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ID: 462795
Weight: 1.38ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 72.86
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ID: 494078
Weight: 7.44ct
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 48.22
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ID: 707753
Weight: 5.67ct
Size: 14.6 x 10.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 40.82
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ID: 720519
Weight: 1.21ct
Size: 5.8 x 5.7 mm
Clarity: SI
Content: 1 pc
Price: $ 87.12
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ID: 724869
Weight: 0.59ct
Size: 13.4 x 2.4 mm
Clarity: VS
Content: 1 pc
Price: $ 24.78
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ID: 724865
Weight: 0.98ct
Size: 5.9 x 4.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.16
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ID: 491000
Weight: 12.56ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 4 pcs
Price: $ 12.06
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ID: 450418
Weight: 8.04ct
Size: 15.2 x 10.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 74.29
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ID: 567450
Weight: 0.27ct (total)
Size: 3.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 528.67
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ID: 365302
Weight: 1.40ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 41.04
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ID: 426506
Weight: 9.18ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 42.41
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ID: 719825
Weight: 1.06ct
Size: 5.7 x 4.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 19.08
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ID: 721751
Weight: 26.75ct
Size: 33.6 x 14.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.10
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ID: 737377
Weight: 2.28ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 102.60
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ID: 567436
Weight: 0.19ct (total)
Size: 2.8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 409.24
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ID: 480756
Weight: 2.86ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 5 pcs
Price: $ 26.42
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ID: 451098
Weight: 1.57ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 14.51
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ID: 451002
Weight: 2.71ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 25.04
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ID: 704392
Weight: 0.59ct
Size: 11.3 x 2.8 mm
Clarity: VS
Content: 1 pc
Price: $ 19.39
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ID: 556853
Weight: 3.25ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 27.20
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ID: 503788
Weight: avg. 0.27 ct / each
Size: 6.1 x 4.3 mm
Clarity: Translucent
Price: $ 9.39
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ID: 422566
Weight: 10.28ct
Size: 17.2 x 12.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 27.13
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ID: 715326
Weight: 1.43ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 13.73
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ID: 634649
Weight: 1.11ct (total)
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 19.98
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ID: 701118
Weight: 26.36ct
Size: 31.8 x 20.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.14
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ID: 644431
Weight: 1.88ct
Size: 8.4 x 6.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 45.12
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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 -> 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

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 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 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

Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good products

Posted By Brave in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I enjoy doing buisness with GemSelect. It is always a pleasure and you get what you ordered!

Posted By Ballpark in December, 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 -> 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

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 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 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

Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good products

Posted By Brave in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I enjoy doing buisness with GemSelect. It is always a pleasure and you get what you ordered!

Posted By Ballpark in December, 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