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

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ID: 472536
Weight: 42.78ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 23.72
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ID: 464416
Weight: 4.27ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 39.46
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ID: 729888
Weight: 4.46ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 39.92
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ID: 325899
Weight: 3.67ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 12.12
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ID: 390510
Weight: 9.06ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 14.35
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ID: 462261
Weight: 3.25ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 21.46
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ID: 715018
Weight: 13.90ct (total)
Size: 13 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 36.02
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ID: 651883
Weight: 0.73ct
Size: 8 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 5.26
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ID: 389491
Weight: 3.59ct (total)
Size: 7.9 x 6.9 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 23.70
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ID: 711097
Weight: 16.75ct
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 44.63
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ID: 465370
Weight: 3.92ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 34.31
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ID: 348773
Weight: 31.10ct
Size: 28.3 x 21.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.05
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ID: 556007
Weight: 0.76ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 15.05
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ID: 672220
Weight: 5.22ct
Size: 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 12.53
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ID: 714837
Weight: 15.68ct
Size: 19 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 40.64
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ID: 727334
Weight: 1.03ct
Size: 6 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 18.54
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ID: 711459
Weight: 30.47ct
Size: 25.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 81.17
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ID: 568505
Weight: 4.44ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 42.61
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ID: 723266
Weight: 1.52ct
Size: 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 14.59
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ID: 455696
Weight: 1.56ct
Size: 9.9 x 5.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.41
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ID: 529152
Weight: 1.64ct
Size: 8 x 6.6 mm
Clarity: VS
Content: 1 pc
Price: $ 32.47
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ID: 387379
Weight: 2.86ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 18.88
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ID: 385556
Weight: 5.76ct (total)
Size: 15.1 x 7.9 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 51.17
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ID: 492527
Weight: 5.14ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 37.19
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ID: 605909
Weight: 29.24ct (total)
Size: 20.8 x 13.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 45.54
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ID: 387464
Weight: 2.84ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 18.74
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ID: 678096
Weight: 0.56ct
Size: 5.2 x 5.2 mm
Clarity: Transparent
Price: $ 4.70
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ID: 715461
Weight: 0.86ct
Size: 5.9 x 5.3 mm
Clarity: VS
Content: 1 pc
Price: $ 54.70
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ID: 588574
Weight: 6.29ct
Size: 15 x 11 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 24.91
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ID: 739114
Weight: 1.16ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 10.44
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ID: 582919
Weight: 1.17ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 61.78
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ID: 349598
Weight: 1.45ct
Size: 14.6 x 3.6 mm
Clarity: SI
Content: 1 pc
Price: $ 42.11
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ID: 571875
Weight: 1.68ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 120.96
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ID: 730306
Weight: 32.34ct
Size: 28.5 x 19.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.04
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ID: 385568
Weight: 5.63ct
Size: 13.2 x 8.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 36.56
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ID: 670653
Weight: 0.33ct
Size: 4.5 x 3.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 11.88
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ID: 515835
Weight: 1.87ct
Size: 8.6 x 6.9 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 41.12
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ID: 715405
Weight: 0.33ct
Size: 5.4 x 3.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 20.99
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ID: 449057
Weight: 30.09ct
Size: 22.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 39.72
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ID: 512795
Weight: 2.64ct
Size: 8.9 x 7.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 57.12
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ID: 620785
Weight: 3.92ct (total)
Size: 12.1 x 5.9 mm
Clarity: VS
Content: 2 pcs
Price: $ 41.40
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ID: 348564
Weight: 2.36ct
Size: 20.9 x 3.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 77.88
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ID: 704468
Weight: 26.43ct
Size: 37.3 x 9.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 6.35
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ID: 370431
Weight: 12.39ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 24.53
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ID: 707935
Weight: 2.64ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 4.37
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ID: 645218
Weight: 2.41ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 5.78
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ID: 387956
Weight: 2.92ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 19.27
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ID: 438084
Weight: 2.22ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 102.56
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ID: 547629
Weight: 1.42ct
Size: 6 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 28.78
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ID: 528812
Weight: 1.52ct
Size: 6.7 x 6.2 mm
Clarity: VVS-VS
Price: $ 132.42
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ID: 541139
Weight: 6.87ct
Size: 11.6 x 11.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 10.25
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ID: 700118
Weight: 0.58ct
Size: 4.7 mm
Clarity: SI
Content: 1 pc
Price: $ 34.80
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ID: 577375
Weight: 7.31ct
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 103.44
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ID: 712888
Weight: 4.61ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 66.38
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ID: 381956
Weight: 2.63ct (total)
Size: 3.3 mm
Clarity: VS
Content: 20 pcs
Price: $ 126.53
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ID: 730426
Weight: 1.32ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 221.76
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ID: 681795
Weight: 0.97ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 17.46
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ID: 635471
Weight: 1.53ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 44.06
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ID: 460454
Weight: 1.36ct
Size: 5.9 x 5.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 3,769.92
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ID: 506002
Weight: 52.93ct
Size: 27 x 20 mm (calibrated)
Clarity: IF
Content: 1 pc
Price: $ 419.21
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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

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones..

Posted By Steven M. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was very good and concise.

Posted By Whydothey in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring

Posted By Desertchick in April, 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

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones. .

Posted By Steven M. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I just bought some mystic quartz. Checkout was smooth and pleasant

Posted By Jay in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 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

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones..

Posted By Steven M. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was very good and concise.

Posted By Whydothey in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring

Posted By Desertchick in April, 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

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones. .

Posted By Steven M. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I just bought some mystic quartz. Checkout was smooth and pleasant

Posted By Jay in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 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