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

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ID: 687828
Weight: 10.88ct
Size: 18.2 x 13.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.11
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ID: 485292
Weight: 5.10ct (total)
Size: 7.7 x 7.5 mm
Clarity: Translucent
Content: 4 pcs
Price: $ 26.93
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ID: 686102
Weight: 2.70ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 3.24
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ID: 572455
Weight: 3.00ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Price: $ 27.72
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ID: 706951
Weight: 1.38ct
Size: 10 x 5.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 3.31
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ID: 674960
Weight: 12.46ct
Size: 18 x 13.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.79
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ID: 448932
Weight: 10.54ct
Size: 17 x 13.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 34.79
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ID: 697615
Weight: 0.66ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Price: $ 3.96
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ID: 310291
Weight: 0.86ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 45.41
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ID: 726029
Weight: 0.61ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 5.86
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ID: 696155
Weight: 36.48ct
Size: 31.8 x 18.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 24.95
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ID: 708046
Weight: 7.64ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.33
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ID: 672891
Weight: 1.42ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.08
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ID: 634650
Weight: 1.09ct (total)
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 19.62
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ID: 712440
Weight: 2.30ct
Size: 12.3 x 6.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 6.13
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ID: 619358
Weight: 10.26ct
Size: 19.7 x 12.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 47.16
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ID: 730460
Weight: 42.32ct
Size: 31.3 x 24.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.63
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ID: 725182
Weight: 11.06ct
Size: 14.1 x 12.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.61
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ID: 707098
Weight: 2.09ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.02
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ID: 687150
Weight: 7.00ct (total)
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 20.50
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ID: 427324
Weight: 1.25ct
Size: 9 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.20
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ID: 484289
Weight: 5.16ct (total)
Size: 7.6 x 5.6 mm
Clarity: VS
Content: 4 pcs
Price: $ 68.11
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ID: 297889
Weight: 3.33ct (total)
Size: 3 x 3 mm (calibrated)
Clarity: Transparent/Translucent
Content: 20 pcs
Price: $ 114.29
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ID: 699688
Weight: 0.52ct
Size: 4.8 mm
Clarity: SI
Content: 1 pc
Price: $ 31.20
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ID: 731997
Weight: 1.27ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 48.77
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ID: 551436
Weight: 2.60ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 23.47
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ID: 533552
Weight: 2.19ct
Size: 8.7 x 5.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 130.09
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ID: 316522
Weight: 1.71ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 94.80
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ID: 637110
Weight: 0.81ct
Size: 7.8 x 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 42.77
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ID: 706462
Weight: 7.23ct
Size: 11.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.75
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ID: 418088
Weight: 9.46ct
Size: 15.6 x 10.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 49.94
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ID: 671552
Weight: 14.10ct
Size: 19 x 13.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 36.38
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ID: 552950
Weight: 1.76ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 10.60
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ID: 645295
Weight: 4.98ct (total)
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 11.95
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ID: 675822
Weight: 2.42ct (total)
Size: 9 x 6 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 6.89
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ID: 555113
Weight: 0.83ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 6.58
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ID: 366589
Weight: 1.26ct
Size: 8 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 160.84
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ID: 713726
Weight: 0.86ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 14.45
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ID: 528202
Weight: 2.51ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 26.51
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ID: 684047
Weight: 3.10ct (total)
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 3.72
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ID: 394383
Weight: 5.65ct
Size: 11 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 37.30
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ID: 679242
Weight: 5.29ct
Size: 17.4 x 12.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.45
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ID: 514086
Weight: 6.37ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 59.95
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ID: 565129
Weight: 0.22ct (total)
Size: 3 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 437.80
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ID: 492302
Weight: 5.57ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 47.06
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ID: 603194
Weight: 1.90ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 55.18
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ID: 718872
Weight: 0.61ct
Size: 5.2 x 4.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 10.98
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ID: 642934
Weight: 2.97ct
Size: 10.7 x 7.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 14.69
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ID: 488118
Weight: 48.47ct
Size: 46.8 x 30.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.82
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ID: 417648
Weight: 7.59ct
Size: 13 mm (calibrated)
Clarity: VVS-VS
Price: $ 16.02
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ID: 521241
Weight: 11.77ct
Size: 19.4 x 12.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 93.22
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ID: 467865
Weight: 3.84ct (total)
Size: 3.2 mm
Clarity: Transparent
Content: 20 pcs
Price: $ 25.34
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ID: 526127
Weight: 6.91ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 65.04
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ID: 659546
Weight: 1.18ct
Size: 6 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 2.83
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ID: 552956
Weight: 1.58ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 9.50
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ID: 640740
Weight: 1.07ct
Size: 6.8 x 5.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 7.07
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ID: 382852
Weight: 1.40ct
Size: 7.6 x 5.9 mm
Clarity: VS
Content: 1 pc
Price: $ 69.19
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ID: 672426
Weight: 1.45ct
Size: 7.6 x 6.3 mm
Clarity: VS
Content: 1 pc
Price: $ 34.80
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ID: 692702
Weight: 26.56ct
Size: 20 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 223.10
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ID: 490990
Weight: 9.77ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 4 pcs
Price: $ 28.76
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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 would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 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

Good products

Posted By Brave in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Loved everything. High quality, quick shipping, and authentication included.

Posted By Chris in March, 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 -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy and to the point

Posted By Victorius in May, 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 would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 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

Good products

Posted By Brave in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Loved everything. High quality, quick shipping, and authentication included.

Posted By Chris in March, 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 -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy and to the point

Posted By Victorius in May, 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