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

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ID: 725470
Weight: 0.73ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 7.01
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ID: 694511
Weight: 22.80ct
Size: 30.6 x 16.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 24.62
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ID: 540040
Weight: 0.69ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 7.28
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ID: 655364
Weight: 4.47ct
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 59.00
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ID: 614326
Weight: 1.64ct
Size: 8.6 x 7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 51.72
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ID: 513996
Weight: 1.24ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 8.18
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ID: 401447
Weight: 35.65ct
Size: 22.2 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.58
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ID: 691880
Weight: 0.72ct
Size: 6.1 x 4.2 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 43.20
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ID: 691487
Weight: 2.22ct
Size: 8.3 x 7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 48.84
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ID: 688803
Weight: 0.88ct
Size: 9.1 x 5 mm
Clarity: VS
Content: 1 pc
Price: $ 8.45
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ID: 465778
Weight: 8.34ct
Size: 15 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 16.51
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ID: 715796
Weight: 0.78ct
Size: 6.3 x 4.7 mm
Clarity: VS
Content: 1 pc
Price: $ 49.61
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ID: 503310
Weight: avg. 0.15 ct / each
Size: 4.8 x 2.4 mm
Clarity: VVS-VS
Price: $ 0.99
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ID: 621674
Weight: 0.35ct
Size: 5.5 x 3.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.10
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ID: 660568
Weight: 2.19ct
Size: 7 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.23
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ID: 418323
Weight: 5.57ct
Size: 13.3 x 9.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 11.04
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ID: 718235
Weight: 1.20ct (total)
Size: 5.2 x 3.9 mm
Clarity: VVS
Content: 2 pcs
Price: $ 36.00
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ID: 438006
Weight: 2.26ct
Size: 7.9 x 7.4 mm
Clarity: VS
Content: 1 pc
Price: $ 104.41
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ID: 699145
Weight: 19.86ct
Size: 20.1 x 16.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 23.83
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ID: 398184
Weight: 1.37ct
Size: 15.7 x 3 mm
Clarity: VS
Content: 1 pc
Price: $ 39.78
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ID: 464486
Weight: 2.93ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 27.07
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ID: 638586
Weight: 54.24ct
Size: 25.2 x 22.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 455.62
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ID: 698612
Weight: 2.94ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.70
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ID: 634183
Weight: 9.65ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 43.88
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ID: 706434
Weight: 9.82ct
Size: 13.7 x 11.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.03
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ID: 712713
Weight: 21.28ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 56.69
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ID: 685229
Weight: 12.57ct
Size: 14.3 x 10.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 53.84
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ID: 416054
Weight: 1.30ct
Size: 16.4 x 3.1 mm
Clarity: VS
Content: 1 pc
Price: $ 41.18
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ID: 732050
Weight: 0.56ct
Size: 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 13.44
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ID: 685890
Weight: 1.41ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 25.96
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ID: 458349
Weight: 1.48ct (total)
Size: 4.5 x 3.7 mm
Clarity: VS
Content: 4 pcs
Price: $ 195.36
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ID: 401697
Weight: 1.00ct
Size: 6.9 x 5.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 124.12
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ID: 574042
Weight: 0.95ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 9.12
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ID: 661851
Weight: 6.28ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.54
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ID: 656751
Weight: 1.82ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 30.58
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ID: 464312
Weight: 4.17ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 38.53
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ID: 676940
Weight: 0.05ct
Size: 2.2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 19.62
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ID: 699635
Weight: 0.85ct
Size: 5.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 51.00
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ID: 418235
Weight: 8.69ct
Size: 16.4 x 10.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 17.21
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ID: 650612
Weight: 14.30ct
Size: 21.1 x 18.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 60.58
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ID: 354633
Weight: 6.11ct (total)
Size: 5 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 258.08
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ID: 673252
Weight: 10.11ct (total)
Size: 17.9 x 10.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 28.51
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ID: 435664
Weight: 2.38ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.71
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ID: 387581
Weight: 3.21ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 21.19
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ID: 726026
Weight: 0.75ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 7.20
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ID: 391877
Weight: 35.24ct (total)
Size: 33.3 x 14.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 69.78
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ID: 693557
Weight: 3.67ct
Size: 9.6 x 7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 121.68
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ID: 371618
Weight: 4.29ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 5 pcs
Price: $ 33.97
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ID: 547587
Weight: 2.04ct (total)
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 15.30
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ID: 499825
Weight: 3.84ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 35.48
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ID: 563503
Weight: 2.72ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 17.95
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ID: 658683
Weight: 5.68ct
Size: 29 x 7.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.45
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ID: 516943
Weight: 1.80ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 16.63
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ID: 566301
Weight: 4.57ct
Size: 12 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 30.17
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ID: 485218
Weight: 7.19ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 37.97
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ID: 518955
Weight: avg. 0.93 ct / each
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Price: $ 6.17
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ID: 686141
Weight: 0.15ct
Size: 5 x 3 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 7.20
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ID: 709327
Weight: 2.42ct
Size: 8.6 x 7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 49.98
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ID: 594084
Weight: 1.29ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 25.74
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ID: 582945
Weight: 1.88ct
Size: 10 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 99.26
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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

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

great experience

Posted By T in December, 2024
Source: Bizrate

Overall Rating -> 7 star ratings

Okay thank you.

Posted By Bepc61 in March, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

The website was nice and I bought some gems

Posted By Jay in December, 2024
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

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

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I love the gems!

Posted By MM in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Loved everything. High quality, quick shipping, and authentication included.

Posted By Chris 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

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

great experience

Posted By T in December, 2024
Source: Bizrate

Overall Rating -> 7 star ratings

Okay thank you.

Posted By Bepc61 in March, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

The website was nice and I bought some gems

Posted By Jay in December, 2024
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

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

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I love the gems!

Posted By MM in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Loved everything. High quality, quick shipping, and authentication included.

Posted By Chris 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