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

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ID: 522130
Weight: 13.46ct
Size: 14.7 x 12.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 88.84
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ID: 384141
Weight: 9.68ct
Size: 17.1 x 12.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 38.33
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ID: 570036
Weight: 1.76ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 41.82
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ID: 346893
Weight: 1.44ct
Size: 21 x 3.3 mm
Clarity: VS
Content: 1 pc
Price: $ 74.51
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ID: 668344
Weight: 31.72ct
Size: 31.2 x 22.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 114.19
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ID: 451146
Weight: 1.52ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 14.04
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ID: 622552
Weight: 1.81ct
Size: 8.1 x 6.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 38.05
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ID: 550611
Weight: 3.16ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 29.20
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ID: 498314
Weight: 4.69ct (total)
Size: 10 x 4.8 mm
Clarity: VVS-VS
Content: 4 pcs
Price: $ 49.52
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ID: 453839
Weight: 4.19ct
Size: 12 x 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 27.66
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ID: 541561
Weight: 3.82ct (total)
Size: 8.2 x 6.7 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 76.74
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ID: 714175
Weight: 0.47ct
Size: 4.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 14.10
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ID: 548704
Weight: 28.02ct
Size: 32.9 x 14.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 44.38
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ID: 420121
Weight: 42.61ct
Size: 28.3 x 21.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 76.69
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ID: 398468
Weight: 1.38ct
Size: 10.8 x 4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 86.62
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ID: 387764
Weight: 3.10ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 20.46
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ID: 718029
Weight: 0.70ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 21.00
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ID: 554275
Weight: 28.90ct
Size: 23.8 x 14.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.10
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ID: 716393
Weight: 0.75ct
Size: 8 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 47.70
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ID: 585856
Weight: 9.60ct
Size: 20.5 x 12 mm
Clarity: Transparent
Content: 1 pc
Price: $ 63.36
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ID: 584853
Weight: 0.67ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 22.99
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ID: 728238
Weight: 4.89ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 11.74
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ID: 707736
Weight: 9.70ct
Size: 16 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 69.84
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ID: 480396
Weight: 1.86ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Translucent
Content: 3 pcs
Price: $ 17.18
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ID: 430733
Weight: 8.02ct
Size: 15 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 20.86
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ID: 651837
Weight: 7.91ct
Size: 17.5 x 10 mm
Clarity: Opaque
Content: 1 pc
Price: $ 24.59
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ID: 725719
Weight: 1.45ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 13.92
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ID: 674677
Weight: 13.36ct
Size: 27 x 18.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.02
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ID: 485993
Weight: 3.02ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 21.14
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ID: 686745
Weight: 0.44ct
Size: 4.7 x 4 mm
Clarity: VS
Content: 1 pc
Price: $ 36.96
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ID: 719385
Weight: 0.64ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 11.52
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ID: 667116
Weight: 1.19ct
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 24.41
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ID: 387769
Weight: 2.94ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 19.40
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ID: 451182
Weight: 1.58ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 14.60
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ID: 379043
Weight: 17.73ct (total)
Size: 13 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 70.21
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ID: 528886
Weight: 13.06ct
Size: 14 x 14 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 18.79
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ID: 662905
Weight: 0.91ct
Size: 6.4 x 5.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 5.46
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ID: 699165
Weight: 3.34ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.06
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ID: 433633
Weight: 4.02ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 26.53
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ID: 605878
Weight: 20.84ct
Size: 20 x 15 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 192.56
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ID: 616026
Weight: 1.22ct
Size: 7.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 12.89
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ID: 333805
Weight: 5.04ct
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 23.28
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ID: 735781
Weight: 48.69ct
Size: 36.3 x 25.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 40.32
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ID: 568493
Weight: 3.63ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 34.84
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ID: 672890
Weight: 2.84ct
Size: 9.6 x 7.7 mm
Clarity: VS
Content: 1 pc
Price: $ 68.16
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ID: 690744
Weight: 27.88ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 30.78
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ID: 521006
Weight: 98.09ct
Size: 39.1 x 26.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 258.96
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ID: 514791
Weight: 2.14ct
Size: 8.6 x 7 mm
Clarity: VS
Content: 1 pc
Price: $ 36.72
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ID: 736710
Weight: 1.07ct
Size: 7.4 x 5.7 mm
Clarity: SI
Content: 1 pc
Price: $ 37.75
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ID: 522833
Weight: 10.24ct
Size: 17.1 x 12.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 270.34
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ID: 451105
Weight: 1.57ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 14.51
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ID: 357436
Weight: 4.24ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 27.98
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ID: 389613
Weight: 2.65ct (total)
Size: 7.3 x 6.2 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 17.50
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ID: 697528
Weight: 5.85ct
Size: 15.2 x 9.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 42.12
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ID: 736557
Weight: 9.35ct
Size: 21.6 x 13.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.18
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ID: 436344
Weight: 2.20ct (total)
Size: 4.5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 87.12
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ID: 691411
Weight: 3.01ct
Size: 10 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 79.46
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ID: 679201
Weight: 3.37ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.31
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ID: 454187
Weight: 0.77ct
Size: 9.2 x 3.8 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 32.52
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ID: 567623
Weight: 4.15ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 27.40
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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

Site is easy to navigate - details on cut, polish, and finish work and techniques were helpful. 3d view or wireframe diagram of stones would be nice.

Posted By Tb in August, 2024
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

GemSelect website simple to use. I recommend it to non-trade clients looking for gems.

Posted By GemJocky in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

love these guys been ordering since 2000 maybe

Posted By JHT in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love gemstones. My father was a jeweler & I used to shop for stones for him.

Posted By Andie 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 -> 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

Overall Rating -> 10 star ratings

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. in February, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

great experience

Posted By T in December, 2024
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

Site is easy to navigate - details on cut, polish, and finish work and techniques were helpful. 3d view or wireframe diagram of stones would be nice.

Posted By Tb in August, 2024
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

GemSelect website simple to use. I recommend it to non-trade clients looking for gems.

Posted By GemJocky in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

love these guys been ordering since 2000 maybe

Posted By JHT in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love gemstones. My father was a jeweler & I used to shop for stones for him.

Posted By Andie 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 -> 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

Overall Rating -> 10 star ratings

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. in February, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

great experience

Posted By T in December, 2024
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