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

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ID: 730991
Weight: 5.72ct
Size: 15.1 x 10.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.72
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ID: 724982
Weight: 0.77ct
Size: 9.7 x 3.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 32.34
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ID: 713769
Weight: 0.92ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 15.46
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ID: 557738
Weight: 7.42ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 56.12
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ID: 418287
Weight: 10.12ct (total)
Size: 15.7 x 10.5 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 20.04
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ID: 531176
Weight: 1.57ct
Size: 7.8 x 5.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 51.82
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ID: 477630
Weight: 3.21ct
Size: 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 22.55
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ID: 370316
Weight: 12.43ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 39.55
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ID: 388095
Weight: 3.11ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 20.53
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ID: 351109
Weight: 4.05ct (total)
Size: 5.2 x 5.1 mm
Clarity: Transparent
Content: 10 pcs
Price: $ 106.92
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ID: 664020
Weight: 1.78ct
Size: 9 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 8.54
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ID: 726808
Weight: 0.68ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.24
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ID: 712796
Weight: 10.82ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 28.82
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ID: 384616
Weight: 38.19ct
Size: 28.7 x 20.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 75.61
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ID: 621018
Weight: 20.95ct (total)
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 55.31
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ID: 347563
Weight: 22.47ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 118.64
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ID: 569241
Weight: 0.82ct (total)
Size: 6.1 x 4.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 7.57
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ID: 531799
Weight: 3.60ct
Size: 9 x 7 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 194.40
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ID: 418350
Weight: 8.73ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.29
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ID: 708251
Weight: 2.44ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 50.39
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ID: 479414
Weight: 2.34ct (total)
Size: 10 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 24.71
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ID: 581770
Weight: 13.84ct
Size: 15 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 19.92
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ID: 454726
Weight: 10.77ct
Size: 20 x 14 mm
Clarity: Transparent
Content: 1 pc
Price: $ 18.06
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ID: 410576
Weight: 1.84ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.00
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ID: 496794
Weight: 2.37ct
Size: 9 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 62.57
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ID: 526570
Weight: 1.72ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 16.51
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ID: 586467
Weight: 36.38ct
Size: 33 x 25.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.61
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ID: 693794
Weight: 69.66ct
Size: 45.4 x 27.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 48.48
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ID: 709115
Weight: 3.90ct
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 118.13
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ID: 679182
Weight: 3.12ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.21
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ID: 539324
Weight: 1.51ct
Size: 6.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 29.47
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ID: 669534
Weight: 15.89ct
Size: 20 x 15.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 47.68
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ID: 686702
Weight: 5.65ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 6.78
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ID: 675008
Weight: 3.19ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 26.80
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ID: 711252
Weight: 9.32ct
Size: 16.9 x 11.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 16.78
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ID: 400515
Weight: 1.05ct
Size: 6.9 x 5.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 141.83
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ID: 450739
Weight: 7.14ct
Size: 5.9 x 9.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 59.98
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ID: 687620
Weight: 10.13ct (total)
Size: 10 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 29.66
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ID: 698493
Weight: 3.87ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 32.51
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ID: 691191
Weight: 0.60ct
Size: 4.8 x 4.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 50.40
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ID: 727492
Weight: 0.69ct
Size: 8.9 x 3.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 41.40
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ID: 435746
Weight: 11.11ct
Size: 16 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 36.37
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ID: 728197
Weight: 0.06ct
Size: 2.2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 24.74
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ID: 497077
Weight: 2.09ct
Size: 8.6 x 7.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 37.54
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ID: 491797
Weight: 14.56ct (total)
Size: 18.3 x 9.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 13.98
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ID: 695361
Weight: 11.86ct
Size: 13.3 x 11.5 mm
Clarity: VS
Content: 1 pc
Price: $ 355.80
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ID: 492601
Weight: 5.08ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.74
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ID: 650120
Weight: 10.25ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.26
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ID: 695218
Weight: 4.05ct
Size: 10.6 x 6.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 121.50
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ID: 541802
Weight: avg. 0.07 ct / each
Size: 2 mm (calibrated)
Clarity: Transparent
Price: $ 0.49
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ID: 708001
Weight: 8.57ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 8.23
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ID: 372555
Weight: 1.67ct
Size: 7.4 x 6.5 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 11.03
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ID: 416856
Weight: 10.38ct
Size: 16.2 x 14.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 54.80
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ID: 447170
Weight: 2.20ct
Size: 8.9 x 6.4 mm
Clarity: VS
Content: 1 pc
Price: $ 94.51
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ID: 547561
Weight: 3.66ct
Size: 9 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 21.96
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ID: 556210
Weight: 1.31ct
Size: 6.7 x 5.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 34.58
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ID: 551893
Weight: 1.37ct
Size: 8.1 x 4.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.29
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ID: 446984
Weight: 2.00ct
Size: 7.5 x 7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 94.51
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ID: 714403
Weight: 0.52ct
Size: 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 15.60
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ID: 688272
Weight: 11.06ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.62
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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

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 -> 10 star ratings

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, package and info of your gems.

Posted By Diana in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I'm happy.

Posted By Ray in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very professional site

Posted By JR in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.

Posted By LeAnn in April, 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

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

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 -> 10 star ratings

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, package and info of your gems.

Posted By Diana in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I'm happy.

Posted By Ray in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very professional site

Posted By JR in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.

Posted By LeAnn in April, 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

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