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

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ID: 571541
Weight: 14.53ct
Size: 20.9 x 11.2 mm
Clarity: VS
Content: 1 pc
Price: $ 115.08
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ID: 735768
Weight: 25.97ct
Size: 31.3 x 16.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 21.50
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ID: 597429
Weight: 16.32ct
Size: 27 x 13.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.06
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ID: 498602
Weight: 1.06ct
Size: 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 55.97
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ID: 569230
Weight: 2.30ct
Size: 8.1 x 6.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 45.72
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ID: 697744
Weight: 0.78ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 4.68
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ID: 726064
Weight: 0.48ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 4.61
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ID: 727361
Weight: 0.79ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 14.22
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ID: 391869
Weight: 23.31ct (total)
Size: 26.3 x 12.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 46.15
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ID: 675197
Weight: 18.90ct
Size: 18.9 x 15.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 48.77
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ID: 598777
Weight: 4.44ct
Size: 16 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 58.61
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ID: 635649
Weight: 1.50ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 43.20
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ID: 719360
Weight: 0.80ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 6.72
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ID: 650695
Weight: 2.98ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.03
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ID: 701035
Weight: 39.68ct
Size: 31.4 x 21.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.43
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ID: 694273
Weight: 0.78ct
Size: 7.8 x 3.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.40
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ID: 685250
Weight: 15.23ct
Size: 23.8 x 14.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.17
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ID: 719621
Weight: 0.80ct
Size: 6.1 x 4.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 14.40
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ID: 516569
Weight: 1.36ct
Size: 7.3 x 6.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 26.93
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ID: 685502
Weight: 9.37ct
Size: 14.4 x 11.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.14
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ID: 514085
Weight: 6.93ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 65.22
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ID: 690809
Weight: 0.25ct
Size: 4.7 x 3.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.53
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ID: 552384
Weight: 0.95ct (total)
Size: 8 x 4.1 mm
Clarity: VS
Content: 2 pcs
Price: $ 6.28
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ID: 561755
Weight: 4.21ct
Size: 11 x 9 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 222.29
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ID: 464396
Weight: 3.87ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 35.76
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ID: 660176
Weight: 2.01ct
Size: 7 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.85
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ID: 691558
Weight: 1.43ct
Size: 10 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 37.80
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ID: 458238
Weight: 1.31ct (total)
Size: 4.4 x 3.5 mm
Clarity: VS
Content: 4 pcs
Price: $ 172.92
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ID: 479197
Weight: 2.53ct (total)
Size: 10.1 x 5.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 26.71
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ID: 725868
Weight: 0.45ct
Size: 5.2 x 5.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 4.32
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ID: 537709
Weight: 0.89ct
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 26.32
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ID: 528908
Weight: 1.45ct
Size: 7.1 x 5.4 mm
Clarity: VS
Content: 1 pc
Price: $ 114.84
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ID: 339022
Weight: 5.28ct
Size: 12 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 55.75
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ID: 708424
Weight: 3.48ct
Size: 13.3 x 10.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 105.41
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ID: 465684
Weight: 4.23ct
Size: 12 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 34.18
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ID: 712772
Weight: 1.74ct
Size: 7.9 x 6.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.76
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ID: 370445
Weight: 9.07ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 17.95
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ID: 717154
Weight: 15.91ct
Size: 25.8 x 13.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 30.36
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ID: 722988
Weight: 1.19ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 35.70
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ID: 699728
Weight: 0.66ct
Size: 5.3 x 4.5 mm
Clarity: SI
Content: 1 pc
Price: $ 39.60
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ID: 408344
Weight: 10.19ct
Size: 14 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 24.07
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ID: 707895
Weight: 3.13ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.18
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ID: 462479
Weight: 1.54ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 81.31
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ID: 393582
Weight: 1.46ct (total)
Size: 3.9 x 1.9 mm
Clarity: VS
Content: 15 pcs
Price: $ 106.00
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ID: 734703
Weight: 3.23ct (total)
Size: 9.9 x 4.9 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 135.66
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ID: 471694
Weight: 1.65ct (total)
Size: 4.9 x 3.8 mm
Clarity: VS
Content: 4 pcs
Price: $ 217.80
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ID: 505519
Weight: 5.43ct
Size: 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 67.96
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ID: 706810
Weight: 26.03ct
Size: 32.3 x 24.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.05
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ID: 397019
Weight: 1.25ct
Size: 7.5 x 4.5 mm
Clarity: VS
Content: 1 pc
Price: $ 78.80
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ID: 421013
Weight: 8.14ct
Size: 21.9 x 10.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 32.23
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ID: 596477
Weight: 16.24ct
Size: 21.8 x 14.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 143.20
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ID: 672218
Weight: 5.50ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 33.00
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ID: 520013
Weight: 1.65ct
Size: 10 x 6.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 152.46
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ID: 546874
Weight: 3.30ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.14
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ID: 721618
Weight: 13.11ct
Size: 20.6 x 13.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 47.20
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ID: 529677
Weight: 10.82ct
Size: 19.9 x 14 mm
Clarity: Opaque
Content: 1 pc
Price: $ 47.92
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ID: 676490
Weight: 4.46ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 37.46
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ID: 606568
Weight: 3.93ct
Size: 11 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 51.88
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ID: 416311
Weight: 1.85ct
Size: 19.4 x 3.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 58.61
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ID: 445756
Weight: 4.84ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 12.84
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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 searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

excellent deals-excellent service-fair prices

Posted By JD in April, 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

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

Had no difficulty with the website. The only difficulty I had today was making the choice of what I wanted to purchase. There are just so many delicious stones to choose from!!

Posted By Desertchick in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good products

Posted By Brave in October, 2024
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

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

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

excellent deals-excellent service-fair prices

Posted By JD in April, 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

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

Had no difficulty with the website. The only difficulty I had today was making the choice of what I wanted to purchase. There are just so many delicious stones to choose from!!

Posted By Desertchick in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good products

Posted By Brave in October, 2024
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

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