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

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ID: 546640
Weight: 3.07ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.31
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ID: 650900
Weight: 1.70ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 14.28
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ID: 346840
Weight: 39.35ct
Size: 31.9 x 22.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 51.95
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ID: 592222
Weight: 0.72ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 23.76
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ID: 499675
Weight: 1.63ct
Size: 7.4 x 5.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 6.46
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ID: 550353
Weight: 27.29ct (total)
Size: 19.3 x 13.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 41.06
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ID: 683580
Weight: 7.26ct
Size: 12.9 x 11.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 67.26
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ID: 493847
Weight: 1.26ct
Size: 11.7 x 6 mm
Clarity: VS
Content: 1 pc
Price: $ 9.98
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ID: 683012
Weight: 2.54ct
Size: 8.5 x 6.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.05
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ID: 712775
Weight: 1.54ct
Size: 7.7 x 6.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.96
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ID: 359877
Weight: 21.72ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 57.34
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ID: 694303
Weight: 25.10ct
Size: 24 x 20.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 75.30
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ID: 684046
Weight: 0.84ct (total)
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 35.28
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ID: 416287
Weight: 1.27ct
Size: 20 x 2.8 mm
Clarity: VS
Content: 1 pc
Price: $ 40.24
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ID: 392769
Weight: 6.85ct
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 45.22
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ID: 716379
Weight: 0.55ct
Size: 7.7 x 4.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.98
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ID: 418843
Weight: 7.66ct
Size: 15 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 40.44
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ID: 551474
Weight: 2.62ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.65
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ID: 691361
Weight: 0.71ct
Size: 5.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 42.60
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ID: 710423
Weight: 2.84ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS
Price: $ 23.86
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ID: 350554
Weight: 0.81ct
Size: 10.9 x 4.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 80.20
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ID: 713658
Weight: 18.89ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 158.68
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ID: 565511
Weight: 4.71ct
Size: 12 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 31.09
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ID: 385929
Weight: 8.02ct
Size: 16 x 12 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 510.26
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ID: 410223
Weight: 6.08ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 40.13
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ID: 518274
Weight: 34.11ct
Size: 22.9 x 17.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.08
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ID: 726183
Weight: 0.88ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 34.86
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ID: 426615
Weight: 23.18ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 118.79
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ID: 693380
Weight: 29.80ct
Size: 39.2 x 9.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.73
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ID: 718563
Weight: 58.43ct
Size: 35.6 x 29.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 350.58
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ID: 721091
Weight: 1.41ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 11.84
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ID: 418333
Weight: 9.60ct (total)
Size: 16 x 9.7 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 19.01
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ID: 465323
Weight: 4.34ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 37.98
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ID: 572479
Weight: 3.10ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 28.64
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ID: 673982
Weight: 11.26ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 162.00
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ID: 479314
Weight: 1.10ct
Size: 10 x 4.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 11.62
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ID: 501476
Weight: 10.27ct
Size: 20 x 15 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 43.12
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ID: 687807
Weight: 1.34ct
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 3.92
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ID: 722148
Weight: 9.78ct
Size: 19.2 x 13.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.21
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ID: 548403
Weight: 1.34ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 402.00
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ID: 619988
Weight: 4.34ct
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 57.29
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ID: 499826
Weight: 4.01ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 33.68
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ID: 640308
Weight: 0.48ct
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.34
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ID: 695901
Weight: 29.93ct
Size: 20 x 15 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 897.90
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ID: 676172
Weight: 0.95ct
Size: 9.2 x 4.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 2.70
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ID: 611722
Weight: 9.71ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 57.68
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ID: 687705
Weight: 0.86ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 8.26
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ID: 423140
Weight: 52.98ct (total)
Size: 10 mm (calibrated)
Clarity: Transparent
Content: 7 pcs
Price: $ 101.40
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ID: 691139
Weight: 0.42ct
Size: 4.5 x 3.8 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 25.20
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ID: 628031
Weight: 14.37ct
Size: 16.4 x 13.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 120.71
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ID: 650169
Weight: 5.64ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 4.00
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ID: 603000
Weight: 2.55ct
Size: 8.5 x 6.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 168.30
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ID: 549142
Weight: 4.91ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 45.37
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ID: 394175
Weight: 2.19ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 40.33
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ID: 582788
Weight: 1.22ct
Size: 8.4 x 6.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 64.42
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ID: 715109
Weight: 2.16ct (total)
Size: 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 5.60
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ID: 600404
Weight: 3.71ct
Size: 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 14.69
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ID: 682163
Weight: 3.17ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 3.80
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ID: 720366
Weight: 1.57ct
Size: 7.3 x 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 151.12
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ID: 702343
Weight: avg. 0.07 ct / each
Size: 2.5 mm (calibrated)
Clarity: Opaque
Price: $ 24.14
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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

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

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect website simple to use. I recommend it to non-trade clients looking for gems.

Posted By GemJocky in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have been buying gems for several years off and on and love their selection and great low prices. I started out wanting to get an example of each type of gem but after looking at all the types of gems and reading about them I realize it is almost impossible for me to do. It took me years just to read about them all. Gem Select is the best gem site you can find. For information or to buy. Steve M.

Posted By Stevee M. in January, 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 -> 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 -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim 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

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

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

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect website simple to use. I recommend it to non-trade clients looking for gems.

Posted By GemJocky in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have been buying gems for several years off and on and love their selection and great low prices. I started out wanting to get an example of each type of gem but after looking at all the types of gems and reading about them I realize it is almost impossible for me to do. It took me years just to read about them all. Gem Select is the best gem site you can find. For information or to buy. Steve M.

Posted By Stevee M. in January, 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 -> 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 -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim 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

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