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

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ID: 648467
Weight: 2.55ct (total)
Size: 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 21.42
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ID: 551473
Weight: 3.15ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 28.45
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ID: 706805
Weight: 1.93ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.63
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ID: 441071
Weight: 2.93ct (total)
Size: 5.6 x 4.5 mm
Clarity: VS
Content: 5 pcs
Price: $ 77.35
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ID: 671484
Weight: 46.66ct
Size: 41.4 x 24.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 120.38
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ID: 392352
Weight: 6.87ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 45.35
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ID: 571498
Weight: 1.74ct
Size: 12 x 5.1 mm
Clarity: VS
Content: 1 pc
Price: $ 11.48
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ID: 625000
Weight: 0.99ct
Size: 6.9 x 4.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 3.92
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ID: 457152
Weight: 1.55ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 14.33
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ID: 686763
Weight: 0.27ct
Size: 5 x 3 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 12.96
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ID: 696839
Weight: 17.97ct
Size: 22.5 x 17.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.29
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ID: 692440
Weight: 33.41ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 20.05
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ID: 587281
Weight: 1.47ct
Size: 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 135.83
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ID: 542541
Weight: 0.88ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.29
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ID: 686025
Weight: 7.41ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 8.89
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ID: 484102
Weight: 5.12ct
Size: 10 x 9.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 33.79
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ID: 660646
Weight: 1.96ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 16.46
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ID: 656222
Weight: 1.58ct
Size: 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 37.92
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ID: 683998
Weight: 0.42ct
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 17.64
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ID: 555606
Weight: 1.40ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 36.96
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ID: 671488
Weight: 22.15ct
Size: 26.1 x 16.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 57.14
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ID: 391978
Weight: 43.30ct
Size: 26.9 x 19 mm
Clarity: Opaque
Content: 1 pc
Price: $ 114.31
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ID: 663321
Weight: 15.36ct (total)
Size: 20.4 x 13.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.87
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ID: 447530
Weight: 74.29ct (total)
Size: 15.6 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 196.13
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ID: 708751
Weight: 1.29ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 26.64
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ID: 732122
Weight: 1.00ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 38.40
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ID: 594033
Weight: 1.47ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 58.21
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ID: 542975
Weight: 0.90ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.50
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ID: 387717
Weight: 3.21ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 21.19
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ID: 700169
Weight: 0.64ct
Size: 4.7 mm
Clarity: SI
Content: 1 pc
Price: $ 38.40
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ID: 658534
Weight: 11.27ct
Size: 25.3 x 14.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.57
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ID: 582568
Weight: 0.82ct
Size: 7.4 x 5.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 43.30
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ID: 333665
Weight: 12.60ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 24.95
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ID: 472759
Weight: 4.15ct
Size: 12.2 x 9.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 57.46
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ID: 706504
Weight: 9.33ct
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 15.86
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ID: 604049
Weight: 27.67ct
Size: 28.4 x 20.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.22
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ID: 706464
Weight: 11.61ct
Size: 15.1 x 12.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.69
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ID: 454101
Weight: 1.21ct
Size: 8.6 x 4.4 mm
Clarity: VS
Content: 1 pc
Price: $ 51.11
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ID: 711519
Weight: 4.76ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 68.54
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ID: 474610
Weight: 27.12ct (total)
Size: 21.9 x 15.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 64.44
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ID: 499337
Weight: 2.60ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 24.02
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ID: 471872
Weight: 6.02ct
Size: 13 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 1,188.00
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ID: 650859
Weight: 34.77ct
Size: 40.6 x 30.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 106.51
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ID: 554635
Weight: 0.94ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 7.44
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ID: 722699
Weight: 20.73ct
Size: 26 x 16.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 174.13
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ID: 501600
Weight: 2.07ct
Size: 15.4 x 3.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 68.32
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ID: 705181
Weight: 3.51ct
Size: 11.3 x 8.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 3.24
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ID: 560868
Weight: 0.96ct (total)
Size: 4.2 x 4.2 mm
Clarity: VS
Content: 2 pcs
Price: $ 8.87
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ID: 427474
Weight: 2.41ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 15.91
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ID: 371622
Weight: 5.06ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 5 pcs
Price: $ 40.08
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ID: 718993
Weight: 0.61ct
Size: 5.3 x 4.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 10.98
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ID: 689141
Weight: 0.24ct
Size: 5 x 2.9 mm
Clarity: VS
Content: 1 pc
Price: $ 14.40
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ID: 662684
Weight: 1.14ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 27.36
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ID: 714185
Weight: 0.31ct
Size: 4 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 9.30
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ID: 664649
Weight: 2.34ct
Size: 10 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 11.23
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ID: 712001
Weight: 12.83ct
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 34.18
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ID: 472806
Weight: 25.44ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 33.58
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ID: 692638
Weight: 125.29ct
Size: 31.6 x 31.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 52.62
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ID: 712317
Weight: 8.49ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 22.62
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ID: 690234
Weight: 29.09ct
Size: 27.2 x 16.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.11
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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

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 -> 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

Enjoyed shopping.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Always excellent quality and service from GemSelect

Posted By Mike B. in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.

Posted By Sam in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim 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

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 -> 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

Enjoyed shopping.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Always excellent quality and service from GemSelect

Posted By Mike B. in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.

Posted By Sam in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim 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