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

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ID: 502933
Weight: 1.24ct
Size: 13.2 x 4.2 mm
Clarity: VS
Content: 1 pc
Price: $ 40.92
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ID: 479610
Weight: 2.04ct (total)
Size: 10.1 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 21.54
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ID: 704835
Weight: 28.79ct
Size: 36.7 x 10.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 3.46
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ID: 481338
Weight: 33.44ct
Size: 33.1 x 23 mm
Clarity: Opaque
Content: 1 pc
Price: $ 33.11
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ID: 509146
Weight: 25.80ct
Size: 19.5 x 15.9 mm
Clarity: IF
Content: 1 pc
Price: $ 238.39
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ID: 463257
Weight: 1.53ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 30.30
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ID: 735242
Weight: 2.00ct
Size: 8.6 x 6.4 mm
Clarity: VS
Content: 1 pc
Price: $ 96.00
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ID: 640653
Weight: 1.25ct
Size: 7 x 7.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 8.26
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ID: 450176
Weight: 4.35ct (total)
Size: 6.9 x 5.3 mm
Clarity: Transparent
Content: 4 pcs
Price: $ 57.42
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ID: 686795
Weight: 1.06ct (total)
Size: 6.1 x 4.2 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 22.90
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ID: 485281
Weight: 3.90ct (total)
Size: 10.5 x 10.4 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 20.59
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ID: 685338
Weight: 0.33ct
Size: 4.6 x 3.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 13.86
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ID: 384643
Weight: 12.63ct
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 33.35
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ID: 730320
Weight: 1.67ct
Size: 7.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 233.80
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ID: 418290
Weight: 7.16ct
Size: 15 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 14.17
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ID: 639271
Weight: 108.70ct
Size: 31.6 x 27.5 mm
Clarity: VS
Content: 1 pc
Price: $ 913.08
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ID: 624265
Weight: 2.06ct
Size: 8.9 x 6.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 13.60
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ID: 689790
Weight: 3.14ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 94.20
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ID: 728193
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
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ID: 428699
Weight: 4.99ct
Size: 13.3 x 10.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 39.52
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ID: 376314
Weight: 5.49ct (total)
Size: 6.8 x 6.1 mm
Clarity: Transparent
Content: 4 pcs
Price: $ 42.54
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ID: 721634
Weight: 7.95ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 9.54
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ID: 708179
Weight: 3.76ct (total)
Size: 7.5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 77.65
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ID: 720760
Weight: 0.53ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 3.71
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ID: 691075
Weight: 0.81ct
Size: 5 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 48.60
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ID: 704846
Weight: 34.72ct
Size: 36.5 x 11.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 3.47
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ID: 595180
Weight: 1.35ct
Size: 7.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 124.74
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ID: 348925
Weight: 50.91ct
Size: 32.8 x 22.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 67.20
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ID: 610306
Weight: 14.95ct
Size: 20.5 x 18 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.21
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ID: 349592
Weight: 1.38ct
Size: 18.2 x 3.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 40.08
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ID: 675201
Weight: 15.65ct
Size: 27.4 x 15.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.09
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ID: 384190
Weight: 20.30ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 80.39
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ID: 534610
Weight: 1.81ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Price: $ 14.34
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ID: 600692
Weight: 12.37ct (total)
Size: 13.9 x 10.2 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 46.12
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ID: 196832
Weight: 29.97ct
Size: 28 x 13.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 114.72
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ID: 382191
Weight: 3.37ct (total)
Size: 3.5 mm (calibrated)
Clarity: VS
Content: 20 pcs
Price: $ 178.51
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ID: 527605
Weight: 5.93ct
Size: 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 42.90
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ID: 433565
Weight: 4.94ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 32.60
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ID: 680821
Weight: 1.07ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 32.10
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ID: 523058
Weight: 24.14ct
Size: 22.1 x 18.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 47.51
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ID: 389845
Weight: 2.80ct (total)
Size: 2.4 mm (calibrated)
Clarity: VS-SI
Content: 40 pcs
Price: $ 262.01
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ID: 714134
Weight: 0.42ct
Size: 4.3 mm
Clarity: SI
Content: 1 pc
Price: $ 12.60
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ID: 705805
Weight: 0.76ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 6.38
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ID: 380366
Weight: 14.17ct
Size: 25.4 x 12.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 28.07
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ID: 647772
Weight: 35.43ct
Size: 20.1 x 16.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 85.03
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ID: 551172
Weight: 3.01ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Price: $ 27.82
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ID: 408071
Weight: 8.22ct
Size: 13 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 19.42
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ID: 477055
Weight: 18.63ct
Size: 20 x 14.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 73.78
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ID: 707217
Weight: 2.28ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.47
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ID: 439678
Weight: 0.92ct
Size: 5.9 x 5.4 mm
Clarity: VS
Content: 1 pc
Price: $ 34.01
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ID: 500373
Weight: 1.83ct
Size: 11.9 x 6 mm
Clarity: VS
Price: $ 16.91
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ID: 534205
Weight: 1.03ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 9.52
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ID: 732554
Weight: 10.32ct
Size: 14.9 x 9.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 371.52
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ID: 626259
Weight: 1.51ct
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 85.70
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ID: 460075
Weight: 4.96ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 45.83
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ID: 522161
Weight: 37.55ct
Size: 39.4 x 15.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 54.02
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ID: 420278
Weight: 20.76ct
Size: 25 x 18 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 68.51
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ID: 416962
Weight: 5.16ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 24.77
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ID: 475568
Weight: 6.54ct
Size: 16 x 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 60.43
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ID: 687667
Weight: 4.79ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 5.75
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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

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great website, no hassle, easy check out and found everything I needed quickly

Posted By Chris in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Ive been looking for a place to buy loose gemstones for years and was thrilled when I found this site

Posted By Bern in October, 2024
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

Overall Rating -> 10 star ratings

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 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

Excellent selection and easy to use, well done site

Posted By Steph in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

excellent deals-excellent service-fair prices

Posted By JD in April, 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

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

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great website, no hassle, easy check out and found everything I needed quickly

Posted By Chris in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Ive been looking for a place to buy loose gemstones for years and was thrilled when I found this site

Posted By Bern in October, 2024
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

Overall Rating -> 10 star ratings

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 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

Excellent selection and easy to use, well done site

Posted By Steph in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

excellent deals-excellent service-fair prices

Posted By JD in April, 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

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