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

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ID: 658154
Weight: 8.44ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.13
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ID: 563795
Weight: 0.85ct
Size: 6.7 x 4.8 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 17.47
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ID: 337610
Weight: 7.72ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 10 pcs
Price: $ 71.33
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ID: 716088
Weight: 2.87ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.55
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ID: 473192
Weight: 0.66ct
Size: 9.3 x 4.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 47.92
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ID: 386817
Weight: 16.12ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 63.84
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ID: 681790
Weight: 0.79ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 14.22
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ID: 487107
Weight: 36.23ct
Size: 28.6 x 18.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 52.61
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ID: 500134
Weight: 1.73ct
Size: 12.2 x 6 mm
Clarity: VS
Price: $ 15.98
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ID: 401589
Weight: 1.72ct (total)
Size: 4.3 mm
Clarity: VS
Content: 4 pcs
Price: $ 70.38
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ID: 701028
Weight: 35.20ct
Size: 26.3 x 22.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.01
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ID: 735123
Weight: 0.55ct
Size: 5.3 mm
Clarity: SI
Content: 1 pc
Price: $ 33.00
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ID: 357381
Weight: 4.06ct (total)
Size: 5.5 mm (calibrated)
Clarity: VS
Content: 5 pcs
Price: $ 192.44
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ID: 534724
Weight: 3.03ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 24.00
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ID: 516611
Weight: 20.88ct
Size: 16 x 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 22.30
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ID: 707863
Weight: 8.86ct
Size: 14.8 x 11.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 63.79
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ID: 481055
Weight: 24.61ct
Size: 32.3 x 20.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.15
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ID: 540083
Weight: 1.42ct
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 28.69
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ID: 625271
Weight: 0.68ct
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 2.69
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ID: 726948
Weight: 2.57ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 21.59
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ID: 701563
Weight: 4.28ct
Size: 11.7 x 6.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.68
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ID: 671943
Weight: 1.67ct
Size: 8 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 40.08
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ID: 714787
Weight: 0.82ct
Size: 5.3 mm
Clarity: SI
Content: 1 pc
Price: $ 24.60
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ID: 388636
Weight: 1.22ct
Size: 8.2 x 5.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 78.32
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ID: 492400
Weight: 6.97ct
Size: 15 x 12 mm
Clarity: Translucent
Content: 1 pc
Price: $ 26.22
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ID: 439344
Weight: 2.47ct
Size: 7.7 x 7.7 mm
Clarity: VS
Content: 1 pc
Price: $ 153.24
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ID: 678066
Weight: 8.04ct
Size: 26.9 x 13.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.94
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ID: 445141
Weight: 14.55ct
Size: 15 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 481.68
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ID: 534184
Weight: 2.34ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.26
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ID: 451068
Weight: 1.51ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 13.96
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ID: 655550
Weight: 2.67ct (total)
Size: 8 x 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 64.08
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ID: 628026
Weight: 8.42ct
Size: 18.8 x 13.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.73
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ID: 462842
Weight: 1.43ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 75.50
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ID: 712236
Weight: 2.83ct (total)
Size: 10 x 5 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 7.54
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ID: 392108
Weight: 23.53ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 62.12
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ID: 591534
Weight: 3.38ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 23.34
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ID: 635658
Weight: 1.13ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 32.54
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ID: 423082
Weight: 45.37ct (total)
Size: 10 mm (calibrated)
Clarity: Transparent
Content: 6 pcs
Price: $ 86.84
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ID: 722819
Weight: 0.47ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 14.10
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ID: 446020
Weight: 4.72ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 34.45
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ID: 694378
Weight: 22.36ct
Size: 18 x 18 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 187.82
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ID: 676050
Weight: 5.23ct
Size: 12 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 31.38
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ID: 571181
Weight: 1.04ct (total)
Size: 4.2 x 4.2 mm
Clarity: VS
Content: 2 pcs
Price: $ 9.61
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ID: 688726
Weight: 0.06ct
Size: 2.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 34.98
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ID: 563531
Weight: 1.57ct
Size: 7 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 35.23
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ID: 333667
Weight: 12.35ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 24.44
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ID: 724819
Weight: 0.85ct
Size: 12.5 x 2.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 35.70
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ID: 382646
Weight: 19.20ct
Size: 23.8 x 17.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 63.36
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ID: 717190
Weight: 1.51ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 30.80
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ID: 691138
Weight: 0.55ct
Size: 4.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 33.00
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ID: 717164
Weight: 8.92ct
Size: 19 x 13.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.02
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ID: 731013
Weight: 19.01ct (total)
Size: 26.3 x 13.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 13.01
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ID: 435317
Weight: 5.35ct
Size: 14.7 x 10.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 17.52
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ID: 415995
Weight: 1.16ct
Size: 15 x 3.1 mm
Clarity: VS
Content: 1 pc
Price: $ 36.74
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ID: 571540
Weight: 17.76ct
Size: 22.1 x 15.2 mm
Clarity: VS
Content: 1 pc
Price: $ 140.66
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ID: 689672
Weight: 2.82ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 27.07
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ID: 725856
Weight: 2.37ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 93.88
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ID: 488048
Weight: 32.91ct
Size: 28.7 x 18.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 16.00
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ID: 389714
Weight: 3.76ct (total)
Size: 9 x 6 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 24.82
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ID: 435119
Weight: 32.87ct (total)
Size: 13 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 43.39
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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

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 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 -> 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

Excellent selection and easy to use, well done site

Posted By Steph in December, 2024
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

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

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

Posted By Ibie in February, 2025
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

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

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 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 -> 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

Excellent selection and easy to use, well done site

Posted By Steph in December, 2024
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

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

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

Posted By Ibie in February, 2025
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

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