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

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ID: 504605
Weight: 2.83ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 19.94
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ID: 688268
Weight: 0.90ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 8.64
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ID: 582752
Weight: 5.37ct
Size: 13 x 10.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.36
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ID: 646966
Weight: 0.66ct
Size: 7 x 5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 23.76
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ID: 721962
Weight: 24.80ct
Size: 31.7 x 21.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 89.28
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ID: 701117
Weight: 23.09ct
Size: 31.4 x 21 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.39
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ID: 411301
Weight: 3.15ct (total)
Size: 8.9 x 6.7 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 93.85
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ID: 720480
Weight: 0.91ct
Size: 6.2 x 4.9 mm
Clarity: VS
Content: 1 pc
Price: $ 87.59
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ID: 726201
Weight: 0.35ct
Size: 4.9 x 4.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 3.36
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ID: 476716
Weight: 47.90ct
Size: 41.1 x 21 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.48
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ID: 688209
Weight: 0.84ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 8.06
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ID: 712712
Weight: 7.97ct (total)
Size: 12 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 21.23
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ID: 720252
Weight: 1.04ct
Size: 6.3 x 5.4 mm
Clarity: VS
Content: 1 pc
Price: $ 149.76
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ID: 454484
Weight: 0.76ct
Size: 7.2 x 4 mm
Clarity: VS
Content: 1 pc
Price: $ 32.10
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ID: 662740
Weight: 1.90ct
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 45.60
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ID: 714083
Weight: 1.56ct (total)
Size: 5 mm (calibrated)
Clarity: SI
Content: 2 pcs
Price: $ 46.80
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ID: 396421
Weight: 1.06ct
Size: 6.6 x 5.3 mm
Clarity: VS
Content: 1 pc
Price: $ 66.83
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ID: 517851
Weight: 1.37ct
Size: 9.8 x 4.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 103.98
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ID: 708432
Weight: 1.33ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 27.47
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ID: 390661
Weight: 1.78ct (total)
Size: 5 x 3.1 mm
Clarity: VS
Content: 6 pcs
Price: $ 114.56
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ID: 380640
Weight: 2.94ct (total)
Size: 3.8 mm
Clarity: VVS-VS
Content: 12 pcs
Price: $ 356.38
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ID: 495352
Weight: 2.38ct
Size: 8.8 x 7.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 51.02
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ID: 465299
Weight: 4.05ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 35.45
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ID: 481137
Weight: 48.79ct
Size: 43.1 x 23.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 48.30
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ID: 730812
Weight: 25.40ct (total)
Size: 23.1 x 13.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 17.38
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ID: 574618
Weight: 3.12ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 82.37
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ID: 671193
Weight: 62.82ct
Size: 40.3 x 27.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 162.07
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ID: 502970
Weight: 2.03ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 16.08
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ID: 723472
Weight: 8.00ct
Size: 11.9 x 10.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.50
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ID: 725698
Weight: 1.09ct
Size: 5.8 x 5.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 92.54
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ID: 534215
Weight: 1.16ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 10.72
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ID: 431551
Weight: 3.02ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 31.85
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ID: 521209
Weight: 32.32ct
Size: 23.8 x 18.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 162.97
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ID: 710411
Weight: 1.27ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 22.75
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ID: 624218
Weight: 42.63ct
Size: 31.6 x 24.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 47.58
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ID: 557214
Weight: 2.94ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 24.60
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ID: 735803
Weight: 40.55ct
Size: 34.4 x 19.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 33.58
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ID: 491958
Weight: 76.87ct
Size: 47.5 x 30 mm
Clarity: Opaque
Content: 1 pc
Price: $ 135.97
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ID: 721771
Weight: 0.65ct
Size: 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 31.20
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ID: 587283
Weight: 1.13ct
Size: 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 104.41
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ID: 720803
Weight: 0.47ct
Size: 8 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 3.29
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ID: 396843
Weight: 1.19ct
Size: 6.3 x 5.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 75.01
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ID: 453646
Weight: 3.54ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 32.71
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ID: 501606
Weight: 1.94ct
Size: 18.9 x 3.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 64.02
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ID: 679213
Weight: 7.48ct
Size: 19.1 x 10.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 44.88
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ID: 622734
Weight: 0.76ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 14.04
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ID: 686206
Weight: 12.14ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 14.57
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ID: 471869
Weight: 5.96ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 1,573.44
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ID: 422889
Weight: 0.91ct
Size: 8.8 x 4.2 mm
Clarity: VS
Content: 1 pc
Price: $ 34.90
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ID: 570058
Weight: 3.91ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 28.80
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ID: 382328
Weight: 4.05ct (total)
Size: 3.3 mm
Clarity: VS
Content: 30 pcs
Price: $ 214.54
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ID: 672076
Weight: 1.62ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 38.88
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ID: 682012
Weight: 0.53ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Price: $ 4.45
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ID: 718869
Weight: 0.65ct
Size: 5.2 x 4.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 11.70
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ID: 715700
Weight: 2.70ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 25.92
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ID: 722667
Weight: 14.91ct
Size: 23.2 x 13.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 125.24
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ID: 411270
Weight: 4.86ct (total)
Size: 9.7 x 7.7 mm
Clarity: VVS
Content: 2 pcs
Price: $ 131.63
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ID: 697059
Weight: 0.67ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 4.02
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ID: 721956
Weight: 0.55ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 9.90
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ID: 675223
Weight: 20.70ct
Size: 23.7 x 17 mm
Clarity: Opaque
Content: 1 pc
Price: $ 53.41
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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 -> 9 star ratings

I love the gems!

Posted By MM in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I always enjoy the selection and the unique cuts I can find here. I would love to see more hex cuts tho! Maybe some rose cuts too!

Posted By Blkfower83 in October, 2024
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

Great experience shopping and finding what I was looking for, the only improvement I could think of would be allowing to filter more than one size at a time.

Posted By Tlicious04 in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Loved the lot buy options

Posted By BDG in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

This is a wonderful website

Posted By Bryan Diaz in September, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I like the way your website shows us what stone were buying as well the easy way to navigate the site. also knowing the stones are real...

Posted By RED in January, 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 -> 9 star ratings

I love the gems!

Posted By MM in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I always enjoy the selection and the unique cuts I can find here. I would love to see more hex cuts tho! Maybe some rose cuts too!

Posted By Blkfower83 in October, 2024
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

Great experience shopping and finding what I was looking for, the only improvement I could think of would be allowing to filter more than one size at a time.

Posted By Tlicious04 in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Loved the lot buy options

Posted By BDG in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

This is a wonderful website

Posted By Bryan Diaz in September, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I like the way your website shows us what stone were buying as well the easy way to navigate the site. also knowing the stones are real...

Posted By RED in January, 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