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

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ID: 546985
Weight: 21.12ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.73
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ID: 511987
Weight: 8.18ct
Size: 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 11.77
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ID: 725855
Weight: 3.48ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 137.84
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ID: 526903
Weight: 0.99ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.14
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ID: 453751
Weight: 3.53ct
Size: 12.8 x 8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 32.62
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ID: 521452
Weight: 30.76ct
Size: 27.3 x 18.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 243.62
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ID: 486568
Weight: 19.10ct
Size: 31.6 x 8.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.61
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ID: 457183
Weight: 3.07ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 28.37
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ID: 538353
Weight: 1.24ct
Size: 11.1 x 3.6 mm
Clarity: VS
Content: 1 pc
Price: $ 112.94
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ID: 369626
Weight: 2.24ct (total)
Size: 7.2 x 5.4 mm
Clarity: VS
Content: 2 pcs
Price: $ 79.93
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ID: 643810
Weight: 2.77ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 7.31
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ID: 559011
Weight: 2.09ct
Size: 9 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 42.90
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ID: 645314
Weight: 36.78ct
Size: 33.7 x 22.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.07
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ID: 715429
Weight: 4.86ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 46.66
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ID: 438103
Weight: 1.92ct
Size: 8.1 x 6.7 mm
Clarity: VS
Content: 1 pc
Price: $ 88.70
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ID: 670761
Weight: 0.62ct
Size: 5.9 x 3.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.32
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ID: 491283
Weight: 6.60ct
Size: 19.8 x 10.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.66
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ID: 606943
Weight: 21.03ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 194.32
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ID: 371942
Weight: 9.39ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 49.58
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ID: 621635
Weight: 1.42ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 29.86
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ID: 400805
Weight: 3.08ct
Size: 9 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 20.33
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ID: 558124
Weight: 1.08ct
Size: 5.9 x 5.4 mm
Clarity: VS
Content: 1 pc
Price: $ 85.01
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ID: 710073
Weight: 4.73ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.73
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ID: 721411
Weight: 52.44ct
Size: 37.1 x 27.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 62.93
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ID: 714406
Weight: 0.71ct
Size: 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 21.30
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ID: 682809
Weight: 5.57ct
Size: 13.2 x 9.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 5.57
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ID: 664522
Weight: 0.94ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 20.30
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ID: 464401
Weight: 4.03ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 37.24
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ID: 466119
Weight: 3.39ct (total)
Size: 11.8 x 5.9 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 35.80
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ID: 717156
Weight: 11.86ct
Size: 21.5 x 14.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.63
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ID: 660354
Weight: 2.41ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 57.84
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ID: 481883
Weight: 1.23ct
Size: 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 35.36
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ID: 398832
Weight: 3.52ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 92.93
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ID: 725201
Weight: 33.26ct
Size: 27.8 x 17.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 119.74
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ID: 495762
Weight: 1.62ct
Size: 6.8 x 6.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 118.28
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ID: 614741
Weight: 1.50ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 52.03
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ID: 384310
Weight: 9.54ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 37.78
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ID: 638827
Weight: 2.40ct
Size: 10 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 11.89
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ID: 409677
Weight: 8.45ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 40.26
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ID: 635376
Weight: 1.41ct
Size: 8.4 x 8 mm
Clarity: VVS
Content: 1 pc
Price: $ 37.22
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ID: 464305
Weight: 4.24ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 39.18
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ID: 705194
Weight: 22.70ct
Size: 27.9 x 14.3 mm
Clarity: SI
Content: 1 pc
Price: $ 60.20
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ID: 351813
Weight: 3.12ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: Transparent
Content: 10 pcs
Price: $ 82.37
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ID: 352666
Weight: 5.52ct
Size: 16.2 x 8.6 mm
Clarity: VS
Content: 1 pc
Price: $ 51.00
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ID: 696221
Weight: 20.96ct
Size: 23.4 x 19.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.58
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ID: 459827
Weight: 4.60ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 42.50
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ID: 718838
Weight: 2.39ct
Size: 8.4 x 6.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 71.70
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ID: 711465
Weight: 28.60ct
Size: 25.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 76.19
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ID: 725822
Weight: 2.57ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 101.81
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ID: 677857
Weight: 0.20ct
Size: 2.8 x 2.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 120.00
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ID: 723943
Weight: 1.49ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 14.30
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ID: 398388
Weight: 2.51ct
Size: 13.9 x 4.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 178.42
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ID: 498312
Weight: 2.12ct (total)
Size: 10 x 5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 22.39
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ID: 416331
Weight: 1.33ct
Size: 15.2 x 3.5 mm
Clarity: VS
Content: 1 pc
Price: $ 42.13
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ID: 491882
Weight: 70.41ct (total)
Size: 29.4 x 13.6 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 82.72
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ID: 704398
Weight: 0.70ct
Size: 7.4 x 4 mm
Clarity: VVS
Content: 1 pc
Price: $ 19.17
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ID: 324056
Weight: 3.22ct (total)
Size: 8 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 5 pcs
Price: $ 26.78
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ID: 724721
Weight: 0.43ct
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 12.90
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ID: 377501
Weight: 4.49ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 95.87
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ID: 712887
Weight: 4.04ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 58.18
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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 -> 10 star ratings

very good

Posted By Son Gift in January, 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

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

I have been buying gems for several years off and on and love their selection and great low prices. I started out wanting to get an example of each type of gem but after looking at all the types of gems and reading about them I realize it is almost impossible for me to do. It took me years just to read about them all. Gem Select is the best gem site you can find. For information or to buy. Steve M.

Posted By Stevee M. in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I enjoy doing buisness with GemSelect. It is always a pleasure and you get what you ordered!

Posted By Ballpark in December, 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 -> 10 star ratings

I have ordered from Genselect before and always had a great experience. My go to source!

Posted By Kycaver in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very professional site

Posted By JR in January, 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 -> 10 star ratings

very good

Posted By Son Gift in January, 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

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

I have been buying gems for several years off and on and love their selection and great low prices. I started out wanting to get an example of each type of gem but after looking at all the types of gems and reading about them I realize it is almost impossible for me to do. It took me years just to read about them all. Gem Select is the best gem site you can find. For information or to buy. Steve M.

Posted By Stevee M. in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I enjoy doing buisness with GemSelect. It is always a pleasure and you get what you ordered!

Posted By Ballpark in December, 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 -> 10 star ratings

I have ordered from Genselect before and always had a great experience. My go to source!

Posted By Kycaver in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very professional site

Posted By JR in January, 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