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

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ID: 706982
Weight: 2.46ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.90
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ID: 350527
Weight: 2.88ct (total)
Size: 2.9 x 2.9 mm
Clarity: Transparent
Content: 20 pcs
Price: $ 65.76
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ID: 541494
Weight: 6.50ct
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 38.70
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ID: 668888
Weight: 2.78ct
Size: 9.3 x 6.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 3.34
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ID: 384193
Weight: 20.00ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 79.20
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ID: 715415
Weight: 0.60ct
Size: 6.2 x 5 mm
Clarity: VS
Content: 1 pc
Price: $ 38.16
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ID: 699034
Weight: 19.59ct
Size: 23.6 x 15.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 23.51
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ID: 464359
Weight: 4.00ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 36.96
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ID: 523179
Weight: 9.27ct
Size: 16 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 73.42
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ID: 427573
Weight: 2.56ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 16.90
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ID: 682999
Weight: 9.78ct
Size: 13.3 x 12.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 58.68
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ID: 621909
Weight: 1.92ct
Size: 8.4 x 6.8 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 40.38
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ID: 644185
Weight: 2.78ct
Size: 14.1 x 7.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 23.35
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ID: 533144
Weight: 1.62ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 12.90
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ID: 606487
Weight: 26.13ct (total)
Size: 21.7 x 13.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 40.69
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ID: 687725
Weight: 12.60ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 15.12
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ID: 709093
Weight: 0.66ct
Size: 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 11.36
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ID: 729892
Weight: 5.22ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 46.73
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ID: 481400
Weight: 1.48ct
Size: 6.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 42.53
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ID: 418587
Weight: 6.27ct
Size: 16 x 11 mm
Clarity: Translucent
Content: 1 pc
Price: $ 12.41
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ID: 456724
Weight: 1.70ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 15.71
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ID: 416052
Weight: 1.36ct
Size: 16.4 x 3.6 mm
Clarity: VS
Content: 1 pc
Price: $ 43.08
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ID: 306910
Weight: 2.73ct (total)
Size: 3.2 x 3.1 mm
Clarity: Transparent
Content: 20 pcs
Price: $ 61.26
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ID: 490289
Weight: 1.37ct
Size: 6.4 x 6.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 94.69
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ID: 454619
Weight: 5.77ct
Size: 15.3 x 10.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 9.67
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ID: 712233
Weight: 7.57ct (total)
Size: 14 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 20.17
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ID: 664689
Weight: 1.25ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 27.00
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ID: 448211
Weight: 3.91ct (total)
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 20.64
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ID: 718836
Weight: 3.14ct
Size: 8.6 x 7.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 78.50
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ID: 661971
Weight: 1.58ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 3.82
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ID: 582525
Weight: 37.71ct (total)
Size: 16.7 x 16 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 49.32
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ID: 366385
Weight: 1.04ct
Size: 6.7 x 5.6 mm
Clarity: VS
Content: 1 pc
Price: $ 146.11
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ID: 732556
Weight: 6.90ct
Size: 12.6 x 9.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 248.40
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ID: 560425
Weight: 2.78ct
Size: 9.3 x 7.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 62.39
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ID: 621643
Weight: 0.94ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 19.76
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ID: 719803
Weight: 1.12ct
Size: 6.1 x 4.9 mm
Clarity: VS
Content: 1 pc
Price: $ 20.16
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ID: 711086
Weight: 1.72ct
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 34.34
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ID: 664688
Weight: 2.42ct
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 52.27
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ID: 387555
Weight: 4.77ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 10 pcs
Price: $ 31.49
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ID: 673716
Weight: 3.69ct
Size: 12 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 110.70
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ID: 582884
Weight: 8.90ct
Size: 16.2 x 11.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 70.49
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ID: 461286
Weight: 4.12ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.06
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ID: 522445
Weight: 188.20ct
Size: 47.2 x 32.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 496.85
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ID: 706384
Weight: 10.07ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 20.54
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ID: 681989
Weight: 12.84ct
Size: 16 x 16 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 123.26
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ID: 438367
Weight: 1.59ct
Size: 6.5 mm (calibrated)
Clarity: VVS
Price: $ 41.98
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ID: 662990
Weight: 18.05ct (total)
Size: 23.1 x 13.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 12.78
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ID: 478670
Weight: 0.94ct
Size: 7.7 x 4.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.76
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ID: 636190
Weight: 1.37ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 39.46
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ID: 689802
Weight: 3.88ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 21.37
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ID: 573424
Weight: 0.49ct
Size: 7.4 x 5.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 19.40
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ID: 614736
Weight: 2.06ct
Size: 9 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 59.55
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ID: 710400
Weight: 0.94ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 16.84
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ID: 681914
Weight: 0.55ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 9.90
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ID: 735118
Weight: 0.50ct
Size: 5 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 30.00
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ID: 724985
Weight: 0.95ct
Size: 10.1 x 3.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 39.90
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ID: 453888
Weight: 4.93ct
Size: 13 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 45.55
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ID: 353079
Weight: 1.07ct
Size: 7.3 x 5.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 127.13
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ID: 495770
Weight: 1.10ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 74.15
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ID: 596428
Weight: 9.81ct
Size: 17.6 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.84
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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 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 -> 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

It is a good experience, it is easy to view the item, and easy to check out.

Posted By Neo in November, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Always excellent quality and service from GemSelect

Posted By Mike B. in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 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

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've made several purchases through GemSelect in the past, although not within the last six months. Their gems are always beautiful and I have never had an issue with their prices or their stones. Even when I'm not buying, I love scrolling through their website, which is very user friendly. I especially appreciate being able to change the listing order to your own liking, such as most to least expensive, largest to smallest, etc. As with most online orders, however, I think the shipping charges are not commensurate with the actual weight of the items shipped.

Posted By DrLHS in November, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Good. I ts very user friendly.

Posted By Shalini in June, 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 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 -> 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

It is a good experience, it is easy to view the item, and easy to check out.

Posted By Neo in November, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Always excellent quality and service from GemSelect

Posted By Mike B. in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 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

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've made several purchases through GemSelect in the past, although not within the last six months. Their gems are always beautiful and I have never had an issue with their prices or their stones. Even when I'm not buying, I love scrolling through their website, which is very user friendly. I especially appreciate being able to change the listing order to your own liking, such as most to least expensive, largest to smallest, etc. As with most online orders, however, I think the shipping charges are not commensurate with the actual weight of the items shipped.

Posted By DrLHS in November, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Good. I ts very user friendly.

Posted By Shalini in June, 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