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

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ID: 562903
Weight: 4.57ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 42.23
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ID: 500840
Weight: 6.60ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 51.13
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ID: 730291
Weight: 0.99ct
Size: 7.8 x 4.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 59.40
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ID: 700171
Weight: 0.62ct
Size: 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 37.20
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ID: 612311
Weight: 0.92ct
Size: 7.1 x 4.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.25
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ID: 291486
Weight: 14.59ct
Size: 22.3 x 12.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 48.14
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ID: 706946
Weight: 2.93ct
Size: 14 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 7.03
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ID: 736673
Weight: 11.51ct
Size: 17 x 17 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.23
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ID: 550502
Weight: 4.77ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 44.08
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ID: 474773
Weight: 2.66ct
Size: 14.7 x 9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 14.04
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ID: 529161
Weight: 1.48ct
Size: 7.6 x 5.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 128.94
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ID: 499224
Weight: 1.86ct
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 33.40
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ID: 341687
Weight: 4.58ct (total)
Size: 4.2 x 4.2 mm
Clarity: VVS-VS
Content: 10 pcs
Price: $ 40.39
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ID: 700380
Weight: 0.58ct
Size: 5.2 x 4.4 mm
Clarity: SI
Content: 1 pc
Price: $ 34.80
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ID: 538964
Weight: 5.45ct
Size: 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 14.39
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ID: 676004
Weight: 5.78ct
Size: 12.4 x 11.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 34.68
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ID: 418422
Weight: 11.27ct
Size: 17.2 x 11.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 22.31
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ID: 418302
Weight: 11.80ct (total)
Size: 15.8 x 10.8 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 23.36
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ID: 674850
Weight: 2.92ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.53
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ID: 565160
Weight: 0.14ct (total)
Size: 2.6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 306.46
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ID: 715382
Weight: 1.62ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.55
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ID: 437215
Weight: 3.85ct (total)
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 7.63
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ID: 370463
Weight: 26.33ct (total)
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 52.13
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ID: 549172
Weight: 2.90ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 19.14
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ID: 699532
Weight: 0.64ct
Size: 4.9 x 4.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 22.98
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ID: 694299
Weight: 21.68ct
Size: 21 x 20.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 65.04
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ID: 437841
Weight: 2.10ct
Size: 7.9 x 6.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 97.02
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ID: 706396
Weight: 11.60ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 23.66
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ID: 596452
Weight: 7.36ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 8.99
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ID: 422635
Weight: 9.24ct
Size: 17.2 x 13.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 36.59
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ID: 606788
Weight: 2.40ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.34
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ID: 716124
Weight: 12.96ct
Size: 16 x 16 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 124.42
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ID: 661943
Weight: 1.98ct
Size: 7 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.78
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ID: 536138
Weight: 1.26ct
Size: 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 9.98
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ID: 484152
Weight: 34.84ct
Size: 24.5 x 22.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 68.99
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ID: 387508
Weight: 2.02ct (total)
Size: 4 x 3 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 179.40
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ID: 627601
Weight: 1.31ct
Size: 7.5 x 5.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 43.23
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ID: 438372
Weight: 15.03ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 59.52
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ID: 410267
Weight: 6.97ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 46.01
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ID: 458602
Weight: 1.46ct (total)
Size: 4.7 x 3.8 mm
Clarity: VS
Content: 4 pcs
Price: $ 192.72
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ID: 672908
Weight: 16.26ct (total)
Size: 22 x 16 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 45.85
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ID: 599810
Weight: 2.82ct
Size: 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 36.85
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ID: 662690
Weight: 1.26ct
Size: 7.3 x 5.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 30.24
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ID: 730230
Weight: 2.39ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 21.40
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ID: 594040
Weight: 1.16ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 41.76
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ID: 658290
Weight: 13.77ct
Size: 23.1 x 19.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 49.57
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ID: 496770
Weight: 2.90ct
Size: 9.6 x 7.7 mm
Clarity: VS
Content: 1 pc
Price: $ 76.56
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ID: 487907
Weight: 26.55ct
Size: 27.2 x 14.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.63
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ID: 708005
Weight: 10.81ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 10.38
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ID: 685280
Weight: 14.33ct
Size: 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 20.64
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ID: 647618
Weight: 0.99ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 22.57
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ID: 683544
Weight: 4.08ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 37.80
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ID: 530095
Weight: 1.83ct
Size: 10.8 x 4.8 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 159.43
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ID: 608856
Weight: 57.41ct (total)
Size: 25 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 90.18
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ID: 706747
Weight: 38.95ct
Size: 32.9 x 30.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.53
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ID: 348547
Weight: 2.44ct
Size: 18 x 3.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 80.52
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ID: 369031
Weight: 33.84ct
Size: 31.8 x 22.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 67.01
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ID: 585381
Weight: 6.88ct
Size: 13.3 x 10.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 65.03
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ID: 710418
Weight: 2.69ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 22.60
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ID: 642957
Weight: 2.62ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 24.05
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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

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 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

Good shopping experience. Website is relatively easy to use. Prices are good.

Posted By Bleep in August, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
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

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good. I ts very user friendly.

Posted By Shalini in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Im not a jeweler, I buy for my personal use. My dad was a jewelry maker and I love gemstones.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

very good

Posted By Son Gift 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 -> 10 star ratings

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 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

Good shopping experience. Website is relatively easy to use. Prices are good.

Posted By Bleep in August, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
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

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good. I ts very user friendly.

Posted By Shalini in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Im not a jeweler, I buy for my personal use. My dad was a jewelry maker and I love gemstones.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

very good

Posted By Son Gift 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