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

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ID: 599862
Weight: 25.90ct
Size: 23.5 x 19.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.49
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ID: 344795
Weight: 22.00ct
Size: 19.8 x 12.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 39.20
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ID: 662655
Weight: 1.59ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 13.36
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ID: 719492
Weight: 0.76ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 6.38
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ID: 695584
Weight: 0.36ct
Size: 4.5 x 3.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 12.96
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ID: 715006
Weight: 13.86ct (total)
Size: 12 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 35.93
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ID: 635841
Weight: 9.04ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 26.47
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ID: 712908
Weight: 1.37ct
Size: 7.6 x 6.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 32.88
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ID: 485607
Weight: 31.20ct (total)
Size: 15 x 15 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 37.44
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ID: 658788
Weight: 14.36ct
Size: 17.5 x 17 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.02
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ID: 716426
Weight: 3.62ct (total)
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 34.75
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ID: 468452
Weight: 0.80ct
Size: 8.6 x 4.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 33.79
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ID: 712530
Weight: 3.31ct
Size: 14 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 8.82
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ID: 708262
Weight: 1.79ct
Size: 7.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 36.97
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ID: 398595
Weight: 1.42ct
Size: 9.4 x 4.6 mm
Clarity: VS
Content: 1 pc
Price: $ 89.12
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ID: 479319
Weight: 2.57ct (total)
Size: 10.1 x 5.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 27.14
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ID: 673598
Weight: 6.45ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 193.50
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ID: 427271
Weight: 2.54ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 16.76
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ID: 547763
Weight: 1.62ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 32.83
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ID: 729945
Weight: 75.66ct
Size: 34.2 x 28.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 72.64
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ID: 496420
Weight: 2.71ct
Size: 9.5 x 8 mm
Clarity: VS
Content: 1 pc
Price: $ 56.48
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ID: 714567
Weight: 0.53ct
Size: 5.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.62
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ID: 709917
Weight: 0.41ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Price: $ 3.44
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ID: 717942
Weight: 0.82ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 24.60
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ID: 533572
Weight: 2.18ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.22
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ID: 736388
Weight: 1.97ct
Size: 8.6 x 8.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.79
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ID: 724735
Weight: 0.14ct
Size: 4 x 3.1 mm
Clarity: VS
Content: 1 pc
Price: $ 19.60
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ID: 671929
Weight: 1.00ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.00
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ID: 391393
Weight: 7.72ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 122.28
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ID: 489121
Weight: 36.09ct
Size: 23.7 x 21.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.88
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ID: 733155
Weight: 3.13ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 28.28
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ID: 637016
Weight: 2.14ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 47.08
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ID: 663439
Weight: 0.69ct
Size: 8 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.25
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ID: 715710
Weight: 0.83ct
Size: 6 x 5.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 52.79
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ID: 704683
Weight: 42.61ct
Size: 42.1 x 11.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 5.11
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ID: 700117
Weight: 0.61ct
Size: 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 36.60
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ID: 416391
Weight: 1.22ct
Size: 18.6 x 3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 35.14
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ID: 693088
Weight: 26.00ct
Size: 20 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 218.40
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ID: 407949
Weight: 15.09ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 39.84
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ID: 461737
Weight: 1.51ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 70.48
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ID: 647752
Weight: 1.21ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 31.94
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ID: 658284
Weight: 19.29ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 23.15
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ID: 688683
Weight: 1.93ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.63
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ID: 687711
Weight: 0.88ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 8.45
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ID: 727337
Weight: 0.26ct
Size: 4.1 x 3.1 mm
Clarity: VS
Content: 1 pc
Price: $ 10.92
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ID: 600427
Weight: 6.82ct
Size: 14.3 x 10.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 30.52
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ID: 381559
Weight: 19.90ct
Size: 15 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 8,581.21
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ID: 394911
Weight: 4.79ct
Size: 10.6 x 10.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.62
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ID: 585367
Weight: 15.07ct (total)
Size: 19.8 x 12 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.94
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ID: 688881
Weight: 0.98ct (total)
Size: 8.2 x 4.2 mm
Clarity: VVS
Content: 2 pcs
Price: $ 9.41
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ID: 688880
Weight: 1.04ct (total)
Size: 8 x 4 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 9.98
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ID: 720521
Weight: 0.97ct
Size: 6 x 5.7 mm
Clarity: SI
Content: 1 pc
Price: $ 69.84
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ID: 515834
Weight: 2.11ct
Size: 8.6 x 7.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 46.40
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ID: 724499
Weight: 0.54ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 16.20
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ID: 681915
Weight: 0.58ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 10.44
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ID: 551445
Weight: 2.55ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 23.02
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ID: 692141
Weight: 0.61ct
Size: 5 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 36.60
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ID: 472149
Weight: 26.41ct (total)
Size: 22 x 13.7 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 52.30
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ID: 736602
Weight: 1.77ct
Size: 10.5 x 8.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.39
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ID: 515496
Weight: 21.90ct
Size: 19.9 x 13.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 28.91
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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

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

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

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mm Thanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

excellent deals-excellent service-fair prices

Posted By JD in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mmThanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoyed shopping.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All Good

Posted By Boru in July, 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

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

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

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mm Thanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

excellent deals-excellent service-fair prices

Posted By JD in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mmThanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoyed shopping.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All Good

Posted By Boru in July, 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