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

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ID: 732497
Weight: 0.67ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 5.63
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ID: 431708
Weight: 1.49ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 15.72
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ID: 660574
Weight: 2.13ct
Size: 7 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.14
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ID: 600408
Weight: 2.51ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 19.33
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ID: 395277
Weight: 3.29ct
Size: 9.4 x 9.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 21.72
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ID: 548657
Weight: 1.24ct
Size: 6.5 x 5.5 mm
Clarity: VS
Content: 1 pc
Price: $ 104.16
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ID: 513391
Weight: 0.82ct
Size: 5.7 x 5.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 59.18
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ID: 648886
Weight: 19.37ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.16
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ID: 692393
Weight: 38.30ct
Size: 26.6 x 21.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 36.77
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ID: 692711
Weight: 22.72ct
Size: 20 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 190.85
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ID: 418358
Weight: 9.43ct
Size: 19.3 x 11 mm
Clarity: Translucent
Content: 1 pc
Price: $ 18.66
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ID: 392767
Weight: 6.95ct
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 45.88
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ID: 704929
Weight: 0.94ct
Size: 9.9 x 6.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 28.20
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ID: 592187
Weight: 0.68ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Price: $ 22.44
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ID: 611875
Weight: 5.28ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 75.29
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ID: 688116
Weight: 2.46ct
Size: 13.9 x 8.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 6.05
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ID: 730321
Weight: 1.30ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 182.00
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ID: 639737
Weight: 0.27ct
Size: 5.1 x 2.8 mm
Clarity: VS
Content: 1 pc
Price: $ 27.86
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ID: 724683
Weight: 0.20ct
Size: 4 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 28.00
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ID: 708443
Weight: 1.29ct
Size: 7.5 x 5.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 26.64
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ID: 463231
Weight: 1.56ct
Size: 7.1 x 5.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 30.89
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ID: 577820
Weight: avg. 0.41 ct / each
Size: 4.3 mm
Clarity: VS-SI
Price: $ 8.97
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ID: 658438
Weight: 35.76ct
Size: 20.9 x 20.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 52.36
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ID: 497550
Weight: 1.78ct
Size: 7.9 x 6.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 46.99
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ID: 727915
Weight: 1.06ct
Size: 6.6 x 5.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 6.36
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ID: 645635
Weight: 1.43ct
Size: 8.8 x 3.5 mm
Clarity: VS
Content: 1 pc
Price: $ 20.63
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ID: 724964
Weight: 0.74ct
Size: 6.6 x 3.9 mm
Clarity: VS
Content: 1 pc
Price: $ 31.08
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ID: 686757
Weight: 0.28ct
Size: 5 x 3 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 13.44
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ID: 617766
Weight: 1.58ct
Size: 7.8 x 6.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 33.60
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ID: 725543
Weight: 0.98ct
Size: 5.8 x 4.9 mm
Clarity: VS
Content: 1 pc
Price: $ 83.21
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ID: 475860
Weight: 24.05ct
Size: 28.8 x 18.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 47.63
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ID: 375923
Weight: 4.79ct (total)
Size: 7.8 x 7.1 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 37.12
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ID: 533955
Weight: 1.39ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.84
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ID: 712345
Weight: 1.41ct
Size: 10 x 5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 3.76
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ID: 708395
Weight: 0.82ct
Size: 6.6 x 5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 16.93
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ID: 423124
Weight: 55.78ct (total)
Size: 13 mm (calibrated)
Clarity: Transparent
Content: 3 pcs
Price: $ 29.45
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ID: 481334
Weight: 25.72ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 23.15
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ID: 712314
Weight: 2.25ct
Size: 11.5 x 6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 6.00
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ID: 658354
Weight: 5.22ct
Size: 24.4 x 7.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.79
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ID: 424337
Weight: 2.43ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 5 pcs
Price: $ 25.66
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ID: 686077
Weight: 0.19ct (total)
Size: 2.6 x 2.6 mm
Clarity: VS
Content: 2 pcs
Price: $ 9.12
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ID: 658283
Weight: 19.32ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 23.18
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ID: 640724
Weight: 2.12ct
Size: 9 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 54.72
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ID: 662870
Weight: 5.17ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 124.08
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ID: 491479
Weight: 9.92ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 29.06
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ID: 718228
Weight: 1.65ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 49.50
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ID: 505891
Weight: 529.63ct
Size: 50.1 x 43.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 1,048.66
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ID: 480710
Weight: 3.10ct (total)
Size: 3.7 x 3.6 mm
Clarity: Translucent
Content: 30 pcs
Price: $ 26.52
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ID: 704878
Weight: 1.29ct
Size: 9.5 x 6.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 38.70
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ID: 681808
Weight: 13.06ct
Size: 20.3 x 12.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 125.38
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ID: 443264
Weight: 5.18ct
Size: 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 17.03
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ID: 540207
Weight: 1.15ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 31.16
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ID: 463450
Weight: 1.44ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.51
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ID: 695449
Weight: 95.86ct
Size: 69.4 x 40.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 92.03
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ID: 650034
Weight: 1.13ct
Size: 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 9.49
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ID: 348643
Weight: 43.89ct
Size: 44.7 x 20.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 57.94
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ID: 647295
Weight: 29.83ct
Size: 29.1 x 19.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.80
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ID: 690290
Weight: 24.24ct
Size: 22.3 x 14.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 45.60
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ID: 695385
Weight: 23.29ct
Size: 33.9 x 25.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 27.95
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ID: 526872
Weight: 3.60ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 26.04
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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

GemSelect website simple to use. I recommend it to non-trade clients looking for gems.

Posted By GemJocky in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Had no difficulty with the website. The only difficulty I had today was making the choice of what I wanted to purchase. There are just so many delicious stones to choose from!!

Posted By Desertchick in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoyed shopping.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Easy website to navigate, lots of different varieties and options to choose from.

Posted By Brian in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.

Posted By Bryan De David in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

very good

Posted By Son Gift in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve 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

GemSelect website simple to use. I recommend it to non-trade clients looking for gems.

Posted By GemJocky in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Had no difficulty with the website. The only difficulty I had today was making the choice of what I wanted to purchase. There are just so many delicious stones to choose from!!

Posted By Desertchick in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoyed shopping.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Easy website to navigate, lots of different varieties and options to choose from.

Posted By Brian in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.

Posted By Bryan De David in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

very good

Posted By Son Gift in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve 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