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

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ID: 563859
Weight: 2.78ct
Size: 10 x 10 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 18.35
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ID: 394782
Weight: 1.41ct
Size: 7 x 5.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 69.31
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ID: 531802
Weight: 3.15ct
Size: 9.6 x 6.6 mm
Clarity: VS
Content: 1 pc
Price: $ 187.12
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ID: 723268
Weight: 1.86ct
Size: 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 17.86
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ID: 726917
Weight: 0.74ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 22.20
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ID: 533381
Weight: 2.26ct
Size: 9 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 14.74
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ID: 696205
Weight: 44.79ct
Size: 39.7 x 16 mm
Clarity: Opaque
Content: 1 pc
Price: $ 30.64
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ID: 712016
Weight: 9.03ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 24.06
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ID: 719354
Weight: 2.10ct
Size: 7.3 x 6.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 63.00
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ID: 519986
Weight: 42.61ct
Size: 24.3 x 21.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 50.05
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ID: 672015
Weight: 1.31ct
Size: 7.5 x 4.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 4.72
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ID: 511700
Weight: 0.86ct
Size: 5.6 x 5.4 mm
Clarity: VS
Content: 1 pc
Price: $ 51.08
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ID: 472533
Weight: 5.98ct
Size: 11.9 x 8.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.68
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ID: 416375
Weight: 1.47ct
Size: 22.2 x 2.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 46.57
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ID: 428454
Weight: 4.73ct
Size: 14.1 x 9.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 37.46
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ID: 533394
Weight: 1.62ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Price: $ 12.90
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ID: 648981
Weight: 1.25ct
Size: 7.1 x 6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 3.00
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ID: 696455
Weight: 50.65ct
Size: 41.8 x 12.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 6.08
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ID: 719630
Weight: 0.62ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 11.16
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ID: 486493
Weight: 39.60ct (total)
Size: 30.8 x 9 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 26.14
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ID: 714459
Weight: 0.67ct
Size: 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 20.10
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ID: 568334
Weight: 10.02ct
Size: 18.3 x 12.5 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 542.28
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ID: 715411
Weight: 0.45ct
Size: 5 x 4.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 28.62
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ID: 277568
Weight: 13.25ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 69.96
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ID: 367181
Weight: 7.30ct
Size: 15.7 x 8.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 49.63
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ID: 491935
Weight: 22.97ct
Size: 24.8 x 19.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.32
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ID: 649913
Weight: 0.94ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 7.90
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ID: 727885
Weight: 1.63ct
Size: 6.9 x 6.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 9.78
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ID: 634772
Weight: 0.59ct
Size: 8 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 16.99
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ID: 693864
Weight: 0.88ct
Size: 7.3 x 5.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 3.17
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ID: 681852
Weight: 0.21ct
Size: 3.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 120.36
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ID: 687209
Weight: 0.14ct
Size: 3 x 3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 6.72
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ID: 405072
Weight: 13.62ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 89.89
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ID: 705613
Weight: 0.57ct
Size: 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 23.26
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ID: 595025
Weight: 2.55ct
Size: 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 56.10
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ID: 693492
Weight: 3.25ct
Size: 10.7 x 6 mm
Clarity: VVS
Content: 1 pc
Price: $ 107.76
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ID: 711963
Weight: 2.23ct
Size: 12 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.94
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ID: 669633
Weight: 19.60ct
Size: 19.8 x 16.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 117.60
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ID: 529535
Weight: 1.90ct
Size: 7.5 x 6 mm
Clarity: VS
Content: 1 pc
Price: $ 165.53
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ID: 714815
Weight: 0.41ct
Size: 4.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 12.30
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ID: 439369
Weight: 1.93ct
Size: 7.8 x 7.6 mm
Clarity: VS
Content: 1 pc
Price: $ 119.74
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ID: 338836
Weight: 1.36ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 27.74
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ID: 664125
Weight: 2.17ct
Size: 8.3 x 6.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 10.42
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ID: 491580
Weight: 45.07ct (total)
Size: 16 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 52.94
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ID: 349644
Weight: 1.44ct
Size: 19 x 3.2 mm
Clarity: VS
Content: 1 pc
Price: $ 41.82
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ID: 727041
Weight: 0.65ct
Size: 8 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 19.50
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ID: 618769
Weight: 13.42ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 32.21
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ID: 514351
Weight: 9.08ct
Size: 12 x 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 20.38
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ID: 595270
Weight: 15.32ct
Size: 21 x 14.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 55.15
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ID: 554051
Weight: 0.85ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 6.73
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ID: 462372
Weight: 6.12ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 40.39
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ID: 701001
Weight: 0.86ct
Size: 5.6 x 4.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 37.04
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ID: 723586
Weight: 1.78ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 17.09
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ID: 682542
Weight: 28.52ct
Size: 32.1 x 11.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 273.79
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ID: 721557
Weight: 13.00ct
Size: 28.6 x 17.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 46.80
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ID: 722689
Weight: 18.06ct
Size: 24.1 x 17.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 151.70
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ID: 438463
Weight: 1.36ct
Size: 6.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 35.90
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ID: 426933
Weight: 9.00ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 41.58
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ID: 449735
Weight: 4.02ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 26.53
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ID: 697234
Weight: 0.58ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 3.48
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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 found the website easy to work with. The gemstones are lovely.

Posted By Sophie-Tiger in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia in March, 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

All Good

Posted By Boru in July, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring

Posted By Desertchick in April, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Love the ease of access. Easy to find what you are looking for, and fair pricing.

Posted By NickBehnke in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.

Posted By Desertchick in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga in May, 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

I found the website easy to work with. The gemstones are lovely.

Posted By Sophie-Tiger in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia in March, 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

All Good

Posted By Boru in July, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring

Posted By Desertchick in April, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Love the ease of access. Easy to find what you are looking for, and fair pricing.

Posted By NickBehnke in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.

Posted By Desertchick in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga in May, 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