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

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ID: 651944
Weight: 8.26ct
Size: 13 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 25.67
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ID: 427572
Weight: 2.46ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 16.24
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ID: 518954
Weight: avg. 0.49 ct / each
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Price: $ 2.69
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ID: 414302
Weight: 5.63ct
Size: 10.5 x 10.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 37.16
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ID: 732440
Weight: 1.64ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 39.36
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ID: 725002
Weight: 6.25ct
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.13
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ID: 392228
Weight: 8.12ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 53.59
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ID: 671996
Weight: 0.80ct
Size: 7.8 x 5.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 19.20
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ID: 705335
Weight: 2.75ct
Size: 9.9 x 7.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 2.54
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ID: 431495
Weight: 1.67ct
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 39.68
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ID: 358241
Weight: 1.87ct
Size: 8.4 x 6.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 49.62
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ID: 325944
Weight: 2.68ct
Size: 10.9 x 8.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 9.55
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ID: 394723
Weight: 4.47ct
Size: 10 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 29.51
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ID: 710232
Weight: 5.51ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 46.28
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ID: 531242
Weight: 3.66ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 30.74
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ID: 659433
Weight: 25.49ct
Size: 23.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 61.18
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ID: 646543
Weight: 0.46ct (total)
Size: 3.5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 13.80
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ID: 706802
Weight: 2.08ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.99
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ID: 374179
Weight: 25.16ct (total)
Size: 17.6 x 8.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 239.80
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ID: 458473
Weight: 1.85ct (total)
Size: 4.5 x 3.7 mm
Clarity: VS
Content: 5 pcs
Price: $ 245.52
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ID: 454725
Weight: 7.23ct
Size: 17.3 x 11.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 12.12
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ID: 706730
Weight: 2.19ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.26
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ID: 645898
Weight: 9.02ct
Size: 16 x 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.14
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ID: 584858
Weight: 0.81ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 27.80
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ID: 691642
Weight: 0.77ct
Size: 5.2 x 4.4 mm
Clarity: VS
Content: 1 pc
Price: $ 64.68
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ID: 346222
Weight: 2.42ct (total)
Size: 2.3 x 2.2 mm
Clarity: VVS-VS
Content: 30 pcs
Price: $ 271.52
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ID: 461090
Weight: 7.80ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 72.07
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ID: 683427
Weight: 5.51ct
Size: 13 x 9.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 51.05
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ID: 647612
Weight: 1.11ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.31
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ID: 699246
Weight: 0.94ct
Size: 6.5 x 5.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 5.64
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ID: 683045
Weight: 0.15ct
Size: 3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 85.97
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ID: 366295
Weight: 1.27ct
Size: 7.5 x 6.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 178.43
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ID: 719757
Weight: 2.11ct
Size: 7.4 x 6.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 63.30
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ID: 719319
Weight: 0.78ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 6.55
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ID: 722731
Weight: 10.47ct
Size: 20.2 x 12.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 87.95
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ID: 572320
Weight: 1.23ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 88.56
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ID: 497789
Weight: 2.94ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 20.30
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ID: 706460
Weight: 22.62ct
Size: 18.5 x 15.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 46.14
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ID: 545063
Weight: 1.07ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: SI-I1
Content: 2 pcs
Price: $ 28.25
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ID: 387752
Weight: 4.57ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 10 pcs
Price: $ 30.17
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ID: 396615
Weight: 1.09ct
Size: 6.7 x 5.9 mm
Clarity: VS
Content: 1 pc
Price: $ 68.72
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ID: 496783
Weight: 2.66ct
Size: 8.9 x 7.5 mm
Clarity: VS
Content: 1 pc
Price: $ 70.22
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ID: 388955
Weight: 7.27ct
Size: 20.9 x 8.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 1,744.80
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ID: 677843
Weight: 0.98ct
Size: 5 x 5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 672.62
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ID: 737186
Weight: 4.48ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 22.40
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ID: 704399
Weight: 0.84ct
Size: 9.1 x 4.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 27.61
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ID: 666805
Weight: 2.71ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 55.57
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ID: 698615
Weight: 3.00ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 25.20
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ID: 672692
Weight: 1.72ct
Size: 7.7 x 6.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.28
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ID: 708428
Weight: 1.15ct
Size: 7.8 x 5.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 23.75
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ID: 459993
Weight: 2.84ct
Size: 13 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 26.24
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ID: 559171
Weight: 1.58ct (total)
Size: 6.5 x 4.3 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 6.01
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ID: 637194
Weight: 5.67ct
Size: 15.2 x 11.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 13.61
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ID: 655261
Weight: 11.73ct
Size: 24.9 x 15.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.54
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ID: 608163
Weight: 4.70ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 86.86
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ID: 499175
Weight: 2.04ct
Size: 10.4 x 5.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 403.92
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ID: 439685
Weight: 0.92ct
Size: 5.6 x 5.4 mm
Clarity: VS
Content: 1 pc
Price: $ 28.34
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ID: 550507
Weight: 4.96ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 45.83
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ID: 450852
Weight: 2.10ct
Size: 8.3 x 7.5 mm
Clarity: VS
Content: 1 pc
Price: $ 98.28
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ID: 372718
Weight: 5.09ct (total)
Size: 9 x 4.6 mm
Clarity: VS
Content: 5 pcs
Price: $ 40.31
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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

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

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All Good

Posted By Boru in July, 2024
Source: Bizrate

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

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
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 -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mmThanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar

Posted By TheP 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

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

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All Good

Posted By Boru in July, 2024
Source: Bizrate

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

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
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 -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mmThanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar

Posted By TheP 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