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

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ID: 730476
Weight: 5.31ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 47.53
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ID: 674450
Weight: 37.03ct
Size: 27.9 x 22.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 95.53
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ID: 685246
Weight: 18.67ct
Size: 25.8 x 18.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.60
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ID: 475630
Weight: 32.31ct
Size: 20.9 x 16.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 170.59
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ID: 645434
Weight: 1.42ct
Size: 9 x 3.3 mm
Clarity: VS
Content: 1 pc
Price: $ 20.48
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ID: 446030
Weight: 4.93ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 35.99
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ID: 682120
Weight: 15.32ct
Size: 22.9 x 14.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 147.07
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ID: 431800
Weight: 1.36ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 32.32
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ID: 456388
Weight: 1.73ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 15.98
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ID: 724670
Weight: 0.25ct
Size: 5.2 x 3.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 35.00
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ID: 501814
Weight: 1.67ct
Size: 10 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.22
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ID: 451683
Weight: 1.32ct
Size: 8.2 x 5.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 81.89
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ID: 283442
Weight: 1.05ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 135.14
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ID: 491507
Weight: 31.69ct
Size: 32.3 x 23.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 56.05
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ID: 394760
Weight: 5.12ct
Size: 11 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 33.79
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ID: 732459
Weight: 2.85ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 85.50
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ID: 482552
Weight: 2.48ct (total)
Size: 3.9 x 2.9 mm
Clarity: VS
Content: 20 pcs
Price: $ 163.68
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ID: 371509
Weight: 4.87ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 5 pcs
Price: $ 38.57
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ID: 691149
Weight: 0.45ct
Size: 4.6 x 4.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 27.00
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ID: 451678
Weight: 1.05ct
Size: 8.1 x 5.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 65.15
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ID: 413715
Weight: 11.45ct
Size: 14 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 377.86
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ID: 735245
Weight: 2.27ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 90.80
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ID: 450009
Weight: 23.88ct (total)
Size: 22.4 x 15 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 63.05
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ID: 726176
Weight: 1.40ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 55.45
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ID: 691445
Weight: 0.62ct
Size: 4.7 x 4.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 52.08
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ID: 434686
Weight: 2.12ct
Size: 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 78.36
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ID: 482150
Weight: 25.07ct (total)
Size: 20.2 x 11.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 32.44
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ID: 586774
Weight: 2.97ct
Size: 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 78.41
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ID: 691932
Weight: 0.81ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 68.04
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ID: 691224
Weight: 0.24ct
Size: 3.7 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 14.40
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ID: 647347
Weight: 1.25ct
Size: 10.2 x 6.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 45.00
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ID: 713878
Weight: 1.81ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 15.20
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ID: 693203
Weight: 34.68ct
Size: 27.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.14
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ID: 721410
Weight: 45.32ct
Size: 31.8 x 21.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 54.38
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ID: 367856
Weight: 3.88ct (total)
Size: 7.5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 25.39
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ID: 720044
Weight: 6.49ct
Size: 14 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 194.70
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ID: 323576
Weight: 2.42ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS-SI
Content: 5 pcs
Price: $ 159.72
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ID: 706760
Weight: 4.98ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 11.95
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ID: 534193
Weight: 2.38ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.53
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ID: 681882
Weight: 13.18ct
Size: 24 x 13.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 126.53
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ID: 556213
Weight: 0.76ct
Size: 6.1 x 3.8 mm
Clarity: VS
Content: 1 pc
Price: $ 20.06
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ID: 533865
Weight: 3.34ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 30.86
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ID: 711276
Weight: 21.42ct
Size: 25.8 x 20 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.67
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ID: 381920
Weight: 3.46ct (total)
Size: 3.7 mm
Clarity: VS
Content: 20 pcs
Price: $ 183.10
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ID: 674451
Weight: 5.70ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 47.88
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ID: 715815
Weight: 1.49ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.30
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ID: 397108
Weight: 4.59ct
Size: 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.75
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ID: 710419
Weight: 3.03ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 25.45
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ID: 673300
Weight: 0.62ct
Size: 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 14.88
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ID: 696401
Weight: 12.85ct
Size: 26.8 x 10.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.25
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ID: 713751
Weight: 0.80ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.44
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ID: 730043
Weight: 5.63ct
Size: 14 x 10 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 540.48
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ID: 456500
Weight: 1.55ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 14.33
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ID: 550601
Weight: 5.19ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 39.05
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ID: 684365
Weight: 2.15ct (total)
Size: 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 3.10
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ID: 406192
Weight: 17.91ct
Size: 16 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 47.28
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ID: 544604
Weight: 0.65ct
Size: 6.5 x 4.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 34.32
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ID: 711962
Weight: 1.78ct
Size: 7.9 x 6.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 42.72
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ID: 456170
Weight: 2.22ct
Size: 11.8 x 7.2 mm
Clarity: VS
Content: 1 pc
Price: $ 20.51
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ID: 694499
Weight: 12.47ct
Size: 15 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 104.75
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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

Love, and have always loved, your website.

Posted By Aberabic in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoyed shopping.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 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 -> 8 star ratings

The website was nice and I bought some gems

Posted By Jay in December, 2024
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

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones..

Posted By Steven M. in February, 2025
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

So far, my experience was great...Thanks

Posted By Kaydi 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

Love, and have always loved, your website.

Posted By Aberabic in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoyed shopping.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 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 -> 8 star ratings

The website was nice and I bought some gems

Posted By Jay in December, 2024
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

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones..

Posted By Steven M. in February, 2025
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

So far, my experience was great...Thanks

Posted By Kaydi 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