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

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ID: 385184
Weight: 5.06ct
Size: 22.8 x 11.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 45.55
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ID: 737149
Weight: 5.58ct
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 27.90
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ID: 434945
Weight: 53.78ct
Size: 40 x 26.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 106.49
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ID: 694506
Weight: 13.53ct
Size: 15 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 113.65
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ID: 533986
Weight: 1.97ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 18.20
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ID: 503912
Weight: avg. 0.07 ct / each
Size: 2.1 mm (calibrated)
Clarity: Transparent
Price: $ 0.38
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ID: 654818
Weight: 0.81ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 6.80
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ID: 687148
Weight: 5.06ct (total)
Size: 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 14.82
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ID: 644658
Weight: 1.29ct
Size: 7.4 x 5.9 mm
Clarity: VS
Content: 1 pc
Price: $ 30.96
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ID: 732591
Weight: 0.68ct
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 26.11
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ID: 712546
Weight: 5.18ct
Size: 16 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 13.80
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ID: 708489
Weight: 1.60ct
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 33.05
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ID: 477933
Weight: 10.02ct
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.16
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ID: 473693
Weight: 2.72ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 35.90
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ID: 429721
Weight: 3.09ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 61.19
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ID: 480935
Weight: 2.89ct (total)
Size: 5.7 x 3.8 mm
Clarity: VS
Content: 5 pcs
Price: $ 26.70
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ID: 518201
Weight: 1.60ct
Size: 7.9 x 6.3 mm
Clarity: VS
Content: 1 pc
Price: $ 31.68
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ID: 710980
Weight: 11.21ct
Size: 14.6 x 12.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.33
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ID: 463389
Weight: 4.48ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 35.48
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ID: 511219
Weight: 4.21ct
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 55.57
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ID: 479842
Weight: 3.80ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 35.11
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ID: 720808
Weight: 0.48ct
Size: 8 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 4.03
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ID: 730493
Weight: 1.10ct
Size: 5.4 x 5.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 66.00
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ID: 635832
Weight: 8.89ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 26.03
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ID: 706986
Weight: 2.47ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.93
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ID: 663016
Weight: 1.03ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 19.78
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ID: 559176
Weight: 2.11ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 8.03
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ID: 482354
Weight: 3.01ct (total)
Size: 5.2 x 3.1 mm
Clarity: VS
Content: 15 pcs
Price: $ 198.66
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ID: 709109
Weight: 3.03ct
Size: 14.6 x 8.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 91.78
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ID: 569239
Weight: 0.90ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.32
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ID: 393311
Weight: 10.48ct
Size: 14 x 14 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 69.17
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ID: 736606
Weight: 1.53ct
Size: 8.5 x 7.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.71
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ID: 405843
Weight: 7.60ct
Size: 14.2 x 10.4 mm
Clarity: VS
Content: 1 pc
Price: $ 250.80
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ID: 693556
Weight: 5.33ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 176.72
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ID: 669752
Weight: 26.55ct
Size: 25 x 14.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 159.30
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ID: 720119
Weight: 1.24ct
Size: 6.5 x 5.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 119.35
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ID: 446098
Weight: 4.44ct
Size: 13.3 x 9.6 mm
Clarity: VS
Content: 1 pc
Price: $ 32.41
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ID: 732439
Weight: 1.12ct
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 26.88
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ID: 645682
Weight: 11.12ct
Size: 17.4 x 11.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 54.97
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ID: 570247
Weight: 0.86ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.08
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ID: 730087
Weight: 0.18ct
Size: 4.8 x 3 mm
Clarity: VS
Content: 1 pc
Price: $ 8.64
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ID: 711230
Weight: 1.23ct
Size: 7.1 x 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 29.52
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ID: 678796
Weight: 0.18ct
Size: 3.4 x 2.9 mm
Clarity: VS
Content: 1 pc
Price: $ 21.60
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ID: 693979
Weight: 1.87ct
Size: 6.5 x 6.4 mm
Clarity: VS
Content: 1 pc
Price: $ 62.00
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ID: 619758
Weight: 5.52ct
Size: 12 x 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 27.90
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ID: 691131
Weight: 0.37ct
Size: 4 x 4 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 14.10
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ID: 694514
Weight: 25.95ct
Size: 32.9 x 18.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 28.03
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ID: 439478
Weight: 7.18ct
Size: 15.2 x 12.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 142.16
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ID: 675708
Weight: 6.76ct (total)
Size: 12 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 19.22
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ID: 669758
Weight: 7.85ct
Size: 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 39.25
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ID: 648689
Weight: 3.50ct
Size: 10.6 x 9.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 33.60
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ID: 612074
Weight: 12.74ct
Size: 16 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 50.45
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ID: 381883
Weight: 3.23ct (total)
Size: 3.5 mm (calibrated)
Clarity: VS
Content: 20 pcs
Price: $ 170.93
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ID: 693711
Weight: 19.46ct
Size: 30.8 x 9.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 7.01
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ID: 720111
Weight: 1.38ct
Size: 7.2 x 5.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 132.83
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ID: 572278
Weight: 3.12ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 28.82
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ID: 724662
Weight: 0.93ct
Size: 10 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 27.90
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ID: 470586
Weight: 13.90ct (total)
Size: 12 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 55.04
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ID: 687114
Weight: 5.90ct
Size: 21.7 x 7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.41
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ID: 480648
Weight: 3.17ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 22.60
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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

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 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

excellent deals-excellent service-fair prices

Posted By JD in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Everything went well, the payment options are easily declined but, but once sorted out, everything is smooth. I have bought from GemSelect before and am consistently satisfied with them.

Posted By Gabe in August, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

The website was nice and I bought some gems

Posted By Jay in December, 2024
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 -> 9 star ratings

I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!

Posted By Leo in March, 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 -> 8 star ratings

everything was fine

Posted By Marc in January, 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

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 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

excellent deals-excellent service-fair prices

Posted By JD in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Everything went well, the payment options are easily declined but, but once sorted out, everything is smooth. I have bought from GemSelect before and am consistently satisfied with them.

Posted By Gabe in August, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

The website was nice and I bought some gems

Posted By Jay in December, 2024
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 -> 9 star ratings

I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!

Posted By Leo in March, 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 -> 8 star ratings

everything was fine

Posted By Marc in January, 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