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

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ID: 712437
Weight: 12.00ct
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 31.97
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ID: 548528
Weight: 1.64ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 541.20
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ID: 715678
Weight: 0.79ct
Size: 11.9 x 2.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 50.24
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ID: 647635
Weight: 3.89ct (total)
Size: 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 5.14
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ID: 685707
Weight: 1.39ct
Size: 7.6 x 6.2 mm
Clarity: VS
Content: 1 pc
Price: $ 25.58
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ID: 618118
Weight: 0.88ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 37.93
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ID: 475823
Weight: 7.22ct
Size: 16 x 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 66.71
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ID: 717121
Weight: 0.81ct
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 16.52
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ID: 662720
Weight: 18.99ct (total)
Size: 21.8 x 17.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 13.44
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ID: 686615
Weight: 0.17ct
Size: 4.9 x 3.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 8.16
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ID: 554618
Weight: 0.93ct
Size: 7.7 x 5.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 24.55
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ID: 709996
Weight: 0.47ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Price: $ 3.95
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ID: 685647
Weight: 13.50ct
Size: 19.6 x 12.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 17.34
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ID: 406684
Weight: 9.55ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 37.82
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ID: 463477
Weight: 1.19ct
Size: 6.2 x 4.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 23.57
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ID: 723774
Weight: 1.63ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.65
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ID: 648289
Weight: 0.74ct
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 26.64
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ID: 692449
Weight: 12.13ct
Size: 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 101.89
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ID: 645943
Weight: 13.19ct
Size: 24.4 x 15 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.29
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ID: 685841
Weight: 1.05ct
Size: 7 x 5.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 19.33
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ID: 734953
Weight: 2.44ct
Size: 10 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.20
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ID: 708461
Weight: 0.95ct
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 19.62
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ID: 357587
Weight: 4.28ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 28.25
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ID: 648477
Weight: 2.12ct (total)
Size: 7 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 17.81
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ID: 664592
Weight: 1.24ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 13.39
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ID: 639849
Weight: 0.29ct
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 13.92
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ID: 399579
Weight: 30.50ct (total)
Size: 35.2 x 14.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 58.37
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ID: 678870
Weight: 2.99ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.12
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ID: 479413
Weight: 2.44ct (total)
Size: 10.2 x 5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 25.76
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ID: 675716
Weight: 8.92ct (total)
Size: 14.8 x 8.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 25.37
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ID: 728377
Weight: 18.98ct
Size: 25.2 x 16.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.72
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ID: 673467
Weight: 5.61ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 33.66
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ID: 460423
Weight: 3.41ct
Size: 13 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 31.51
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ID: 474890
Weight: 1.78ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 16.45
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ID: 688978
Weight: 1.12ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 10.75
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ID: 717403
Weight: 1.36ct
Size: 9.5 x 4.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 440.64
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ID: 451223
Weight: 1.45ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 13.40
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ID: 587283
Weight: 1.13ct
Size: 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 104.41
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ID: 485185
Weight: 16.68ct
Size: 19.8 x 19.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 44.04
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ID: 692372
Weight: 10.67ct
Size: 15.5 x 12.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 25.61
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ID: 406659
Weight: 13.55ct
Size: 21.3 x 15.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 55.62
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ID: 335109
Weight: 32.82ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 64.98
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ID: 539696
Weight: 2.02ct
Size: 8 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 32.87
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ID: 697875
Weight: 0.60ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 36.00
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ID: 632702
Weight: 2.81ct
Size: 17.9 x 7.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 20.23
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ID: 707937
Weight: 2.90ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.80
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ID: 615525
Weight: 1.04ct (total)
Size: 5 mm (calibrated)
Clarity: SI
Content: 2 pcs
Price: $ 23.71
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ID: 694689
Weight: 0.42ct
Size: 4.6 x 3.8 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 15.12
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ID: 691352
Weight: 0.65ct
Size: 4.6 x 4.5 mm
Clarity: VS
Content: 1 pc
Price: $ 54.60
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ID: 438829
Weight: 1.85ct (total)
Size: 5.4 x 3.5 mm
Clarity: VS
Content: 5 pcs
Price: $ 36.26
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ID: 525164
Weight: 1.54ct
Size: 7.6 x 6.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 284.59
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ID: 694506
Weight: 13.53ct
Size: 15 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 113.65
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ID: 487291
Weight: 33.81ct
Size: 35.4 x 23.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.32
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ID: 401430
Weight: 9.24ct
Size: 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 30.49
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ID: 665095
Weight: 1.86ct
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 40.18
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ID: 726838
Weight: 1.77ct
Size: 6.8 x 6.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 106.20
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ID: 694814
Weight: 2.02ct
Size: 6.6 x 6 mm
Clarity: VS
Content: 1 pc
Price: $ 60.60
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ID: 486544
Weight: 20.59ct
Size: 30 x 9.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.58
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ID: 651010
Weight: 2.08ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 149.76
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ID: 675206
Weight: 35.72ct
Size: 36.6 x 21.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.15
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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

Was a good experience.

Posted By Tim in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All Good

Posted By Boru in July, 2024
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

It's mostly good, only some item's are easier to find through the search than the menu

Posted By Wayne 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

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.

Posted By LeAnn in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoyed shopping.

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

Was a good experience.

Posted By Tim in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All Good

Posted By Boru in July, 2024
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

It's mostly good, only some item's are easier to find through the search than the menu

Posted By Wayne 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

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.

Posted By LeAnn in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoyed shopping.

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