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

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ID: 482475
Weight: 25.95ct
Size: 31.9 x 18.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.70
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ID: 476805
Weight: 12.60ct
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 49.90
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ID: 367738
Weight: 5.08ct
Size: 14.4 x 7.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 28.56
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ID: 671595
Weight: 29.57ct
Size: 34.5 x 20.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 76.30
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ID: 734749
Weight: 5.08ct
Size: 12.8 x 7.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 213.36
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ID: 448588
Weight: 1.22ct
Size: 6.4 x 5.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 776.21
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ID: 674176
Weight: 17.16ct
Size: 19.2 x 14.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 308.88
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ID: 398224
Weight: 10.00ct
Size: 14.6 x 13.2 mm
Clarity: VS
Content: 1 pc
Price: $ 628.45
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ID: 658781
Weight: 5.82ct
Size: 17.7 x 11.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.95
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ID: 351163
Weight: 1.27ct
Size: 10.8 x 5.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 163.45
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ID: 445998
Weight: 9.55ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 25.34
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ID: 697696
Weight: 10.50ct (total)
Size: 15.2 x 9.2 mm
Clarity: VVS
Content: 2 pcs
Price: $ 75.60
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ID: 442856
Weight: 3.60ct (total)
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.50
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ID: 509919
Weight: 1.28ct
Size: 7 x 5.3 mm
Clarity: VS
Content: 1 pc
Price: $ 50.69
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ID: 399633
Weight: 11.75ct
Size: 28.6 x 13.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.49
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ID: 400787
Weight: 2.79ct
Size: 8.7 x 8.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 18.42
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ID: 488474
Weight: 1.98ct (total)
Size: 8 x 5.3 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 10.45
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ID: 707157
Weight: 1.35ct
Size: 10 x 5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 3.24
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ID: 697469
Weight: 0.68ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 4.08
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ID: 671941
Weight: 1.50ct
Size: 8 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 36.00
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ID: 688976
Weight: 1.25ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 12.00
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ID: 534240
Weight: 3.12ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.71
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ID: 481058
Weight: 24.78ct
Size: 30 x 19.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 24.54
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ID: 450769
Weight: 5.23ct
Size: 13.5 x 10 mm
Clarity: VVS
Content: 1 pc
Price: $ 48.32
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ID: 431421
Weight: 1.33ct
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 31.60
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ID: 413420
Weight: 5.10ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 16.84
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ID: 576868
Weight: 7.40ct
Size: 17.2 x 11.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 10.34
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ID: 693366
Weight: 44.70ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 31.12
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ID: 489113
Weight: 49.74ct
Size: 25.6 x 22.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 59.10
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ID: 642269
Weight: 3.54ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 25.49
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ID: 517803
Weight: 2.43ct
Size: 9 x 7.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 53.44
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ID: 645778
Weight: 15.88ct
Size: 22.9 x 20.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 49.55
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ID: 471780
Weight: 11.77ct
Size: 16.9 x 13.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 1,087.55
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ID: 672601
Weight: 5.89ct (total)
Size: 17 x 8.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 16.61
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ID: 698563
Weight: 3.26ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.38
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ID: 658698
Weight: 52.80ct
Size: 26.8 x 25.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 108.35
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ID: 464460
Weight: 4.27ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 39.46
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ID: 730238
Weight: 46.30ct
Size: 33.8 x 22.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 44.45
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ID: 602879
Weight: 3.23ct
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 29.84
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ID: 511258
Weight: 0.90ct
Size: 10.9 x 4.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 53.46
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ID: 645304
Weight: 27.67ct
Size: 32.2 x 21.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 16.61
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ID: 711043
Weight: 12.03ct
Size: 16.1 x 12.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.66
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ID: 680966
Weight: 1.07ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 32.10
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ID: 490984
Weight: 8.54ct (total)
Size: 8 mm (calibrated)
Clarity: Opaque
Content: 4 pcs
Price: $ 25.13
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ID: 432224
Weight: 1.91ct
Size: 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 54.64
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ID: 587287
Weight: 1.45ct
Size: 7.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 133.98
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ID: 733433
Weight: 3.41ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.82
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ID: 393866
Weight: 0.97ct
Size: 5.6 x 5.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 48.29
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ID: 724146
Weight: 1.63ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.65
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ID: 497266
Weight: 2.45ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 29.11
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ID: 481872
Weight: 2.33ct (total)
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 148.02
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ID: 683053
Weight: 0.14ct
Size: 3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 80.24
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ID: 499332
Weight: 2.25ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 20.80
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ID: 726824
Weight: 0.68ct
Size: 8.1 x 5.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 20.40
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ID: 393958
Weight: 30.15ct
Size: 26.2 x 21.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.80
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ID: 673890
Weight: 7.02ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 101.00
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ID: 730870
Weight: 18.73ct (total)
Size: 23.1 x 12.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 12.82
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ID: 584130
Weight: 11.60ct
Size: 19.7 x 11.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 109.64
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ID: 664121
Weight: 1.93ct
Size: 8.8 x 6.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 9.26
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ID: 393862
Weight: 0.89ct
Size: 6.7 x 4.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 44.30
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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

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
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 -> 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 -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 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 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

love these guys been ordering since 2000 maybe

Posted By JHT in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 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

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
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 -> 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 -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 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 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

love these guys been ordering since 2000 maybe

Posted By JHT in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 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