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

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ID: 606469
Weight: 2.84ct
Size: 14.9 x 7.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 18.74
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ID: 571177
Weight: 1.04ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 9.61
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ID: 385253
Weight: 6.51ct
Size: 20.5 x 10.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 58.61
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ID: 644770
Weight: 4.19ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 23.78
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ID: 687730
Weight: 13.64ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.37
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ID: 471346
Weight: 4.87ct
Size: 11.4 x 9.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 19.28
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ID: 590220
Weight: 1.39ct
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 26.21
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ID: 709328
Weight: 1.44ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 29.74
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ID: 529576
Weight: 7.77ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 30.77
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ID: 562917
Weight: 3.67ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 33.91
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ID: 332062
Weight: 8.83ct
Size: 12.8 x 12.3 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 34.97
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ID: 721937
Weight: 16.82ct
Size: 16 x 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 20.18
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ID: 461091
Weight: 7.25ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 67.00
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ID: 499939
Weight: 11.99ct
Size: 17 x 13.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 79.14
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ID: 567650
Weight: 1.16ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 7.66
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ID: 447843
Weight: 1.10ct
Size: 7.3 x 5.1 mm
Clarity: VS
Content: 1 pc
Price: $ 698.90
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ID: 523860
Weight: 2.18ct
Size: 8.2 x 7.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 258.98
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ID: 678677
Weight: 11.51ct
Size: 26.8 x 14.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 69.06
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ID: 677986
Weight: 11.54ct
Size: 18.5 x 16.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 15.05
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ID: 488335
Weight: 39.13ct
Size: 36.1 x 21.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.84
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ID: 471733
Weight: 1.13ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 46.82
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ID: 398843
Weight: 1.30ct
Size: 15.4 x 3.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 37.75
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ID: 648827
Weight: 3.52ct
Size: 13.5 x 9.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 29.57
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ID: 710178
Weight: 2.98ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 25.03
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ID: 284165
Weight: 0.65ct (total)
Size: 4.7 x 3.5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 214.50
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ID: 456492
Weight: 3.29ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 30.40
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ID: 617098
Weight: 31.03ct
Size: 34.9 x 21.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.48
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ID: 721625
Weight: 8.93ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.72
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ID: 692510
Weight: 22.71ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 190.76
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ID: 459512
Weight: 4.80ct
Size: 11 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 38.02
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ID: 458350
Weight: 1.88ct (total)
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 248.16
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ID: 389551
Weight: 3.68ct
Size: 9.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 24.29
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ID: 687171
Weight: 6.12ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.34
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ID: 681998
Weight: 18.29ct
Size: 21.2 x 13.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 175.58
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ID: 677987
Weight: 7.46ct
Size: 16.8 x 12.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 35.81
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ID: 718585
Weight: 5.72ct
Size: 12 x 12 mm (calibrated)
Clarity: Translucent
Price: $ 21.45
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ID: 684591
Weight: 20.65ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 20.57
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ID: 503755
Weight: 4.70ct (total)
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 43.43
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ID: 394326
Weight: 6.00ct (total)
Size: 9 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 39.60
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ID: 721949
Weight: 0.58ct
Size: 8 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 10.44
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ID: 498869
Weight: 1.84ct
Size: 10 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.17
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ID: 684856
Weight: 4.89ct
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.87
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ID: 388263
Weight: 2.86ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 15.73
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ID: 712067
Weight: 1.23ct
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 24.56
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ID: 418389
Weight: 9.79ct
Size: 12.7 x 10.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 51.70
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ID: 476879
Weight: 23.44ct
Size: 14 x 14 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 92.82
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ID: 612894
Weight: 0.88ct
Size: 6.4 x 3.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.07
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ID: 710784
Weight: 20.45ct
Size: 22.4 x 14.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.82
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ID: 499969
Weight: 1.64ct
Size: 12.2 x 5.9 mm
Clarity: VS
Price: $ 15.16
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ID: 713732
Weight: 0.99ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 8.32
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ID: 505154
Weight: 7.14ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 47.12
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ID: 605597
Weight: 58.13ct
Size: 35.1 x 27.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.06
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ID: 329384
Weight: 0.52ct
Size: 6 x 4 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 51.48
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ID: 651752
Weight: 13.42ct
Size: 30.3 x 14.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 24.64
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ID: 574066
Weight: avg. 0.52 ct / each
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Price: $ 3.98
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ID: 700186
Weight: 1.25ct
Size: 6.3 x 5.3 mm
Clarity: SI
Content: 1 pc
Price: $ 75.00
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ID: 459978
Weight: 4.67ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 43.15
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ID: 683332
Weight: 4.48ct
Size: 12.3 x 9.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.51
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ID: 561468
Weight: 0.83ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 6.31
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ID: 712690
Weight: 0.91ct
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 18.17
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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 -> 8 star ratings

Love the ease of access. Easy to find what you are looking for, and fair pricing.

Posted By NickBehnke in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found the website easy to work with. The gemstones are lovely.

Posted By Sophie-Tiger in September, 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

I have bought many stones from GemsSelect and have been very satisfied with all!I will continue to buy and recommend this site!

Posted By DG in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very professional site

Posted By JR in January, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.

Posted By Desertchick 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 -> 8 star ratings

Love the ease of access. Easy to find what you are looking for, and fair pricing.

Posted By NickBehnke in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found the website easy to work with. The gemstones are lovely.

Posted By Sophie-Tiger in September, 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

I have bought many stones from GemsSelect and have been very satisfied with all!I will continue to buy and recommend this site!

Posted By DG in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very professional site

Posted By JR in January, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.

Posted By Desertchick 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