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

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ID: 459988
Weight: 3.44ct
Size: 13 x 9 mm (calibrated)
Clarity: VVS
Price: $ 31.79
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ID: 708081
Weight: 2.63ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.36
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ID: 491380
Weight: 46.04ct
Size: 33.6 x 25.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 81.43
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ID: 533346
Weight: 1.36ct
Size: 6.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 25.60
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ID: 695363
Weight: 1.71ct
Size: 6.7 x 5.6 mm
Clarity: VS
Content: 1 pc
Price: $ 51.30
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ID: 545754
Weight: 1.06ct
Size: 6.2 x 5.4 mm
Clarity: VS
Content: 1 pc
Price: $ 63.12
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ID: 495782
Weight: 1.13ct
Size: 6.5 x 5.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 76.16
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ID: 708763
Weight: 25.73ct
Size: 21.7 x 16.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 92.63
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ID: 602904
Weight: 1.44ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 13.31
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ID: 587734
Weight: 1.64ct
Size: 8.1 x 6.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 43.30
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ID: 598295
Weight: 1.29ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 85.14
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ID: 479540
Weight: 2.39ct (total)
Size: 9.9 x 5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 25.24
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ID: 700130
Weight: 0.52ct
Size: 4.8 x 4.3 mm
Clarity: SI
Content: 1 pc
Price: $ 31.20
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ID: 660196
Weight: 15.79ct (total)
Size: 14.4 x 10.7 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 18.95
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ID: 685623
Weight: 0.09ct (total)
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 31.50
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ID: 721553
Weight: 11.67ct
Size: 25.3 x 12.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.01
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ID: 554944
Weight: 23.34ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.34
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ID: 474032
Weight: 1.63ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 15.06
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ID: 715549
Weight: 5.83ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 55.97
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ID: 514049
Weight: 22.23ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 29.34
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ID: 725197
Weight: 20.56ct
Size: 21.8 x 17.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 74.02
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ID: 386909
Weight: 5.48ct (total)
Size: 17.6 x 7.8 mm
Clarity: Transparent
Content: 3 pcs
Price: $ 48.76
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ID: 543428
Weight: 2.89ct
Size: 9.5 x 7.9 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 56.04
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ID: 431045
Weight: 1.43ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 15.08
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ID: 400995
Weight: 5.60ct
Size: 10.5 x 10.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 18.48
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ID: 447881
Weight: 21.88ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 86.64
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ID: 499235
Weight: 1.92ct
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 34.46
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ID: 667700
Weight: 1.94ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 39.78
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ID: 723728
Weight: 0.11ct
Size: 3 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 105.60
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ID: 495787
Weight: 1.51ct
Size: 7 x 6 mm
Clarity: VVS
Content: 1 pc
Price: $ 101.78
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ID: 716394
Weight: 0.91ct
Size: 10.5 x 4.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 57.88
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ID: 719974
Weight: 0.92ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 7.73
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ID: 692468
Weight: 24.79ct
Size: 20 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 208.24
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ID: 725294
Weight: 14.76ct
Size: 15.1 x 14.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 16.82
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ID: 727349
Weight: 0.68ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 20.40
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ID: 725327
Weight: 0.71ct
Size: 13.7 x 2.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 29.82
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ID: 735098
Weight: 1.29ct
Size: 8 x 6 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 77.40
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ID: 475470
Weight: 25.64ct
Size: 19.3 x 16.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 33.84
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ID: 403587
Weight: 7.04ct
Size: 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 29.46
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ID: 678867
Weight: 2.86ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 24.02
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ID: 710434
Weight: 3.96ct
Size: 13.1 x 12.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.54
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ID: 366662
Weight: 1.01ct
Size: 7.2 x 5.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 141.80
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ID: 656209
Weight: 1.26ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 30.24
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ID: 430957
Weight: 6.93ct
Size: 15.1 x 9.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 18.02
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ID: 322165
Weight: 9.43ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 68.46
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ID: 479855
Weight: 4.63ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 42.78
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ID: 494442
Weight: 1.61ct
Size: 12.1 x 6.1 mm
Clarity: VS
Price: $ 12.76
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ID: 713877
Weight: 2.11ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 17.72
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ID: 456114
Weight: 2.25ct
Size: 9.8 x 7.3 mm
Clarity: VS
Content: 1 pc
Price: $ 18.90
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ID: 700188
Weight: 0.47ct
Size: 5 x 4.3 mm
Clarity: SI
Content: 1 pc
Price: $ 28.20
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ID: 685693
Weight: 0.94ct
Size: 5.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 17.30
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ID: 396456
Weight: 15.30ct
Size: 32.8 x 15.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.20
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ID: 710394
Weight: 2.95ct
Size: 12.1 x 11.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 8.60
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ID: 462245
Weight: 4.12ct
Size: 11 mm (calibrated)
Clarity: VVS-VS
Price: $ 32.63
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ID: 724827
Weight: 6.46ct
Size: 12.2 x 9.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 7.37
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ID: 487630
Weight: 28.65ct
Size: 31.9 x 21 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.91
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ID: 464535
Weight: 2.64ct (total)
Size: 3.9 x 3.8 mm
Clarity: VS
Content: 6 pcs
Price: $ 24.40
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ID: 473189
Weight: 0.70ct
Size: 7.4 x 5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 50.82
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ID: 514982
Weight: 6.77ct
Size: 16 x 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 52.13
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ID: 428332
Weight: 3.84ct (total)
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 10.14
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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

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight in March, 2025
Source: Bizrate

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 excellent quality and service from GemSelect

Posted By Mike B. in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

So far, my experience was great...Thanks

Posted By Kaydi in May, 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

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

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, package and info of your gems.

Posted By Diana 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

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

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight in March, 2025
Source: Bizrate

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 excellent quality and service from GemSelect

Posted By Mike B. in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

So far, my experience was great...Thanks

Posted By Kaydi in May, 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

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

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, package and info of your gems.

Posted By Diana 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

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