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

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ID: 394774
Weight: 3.96ct
Size: 10 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 26.14
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ID: 648833
Weight: 3.35ct
Size: 12.6 x 9.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 28.14
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ID: 460660
Weight: 6.21ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 57.38
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ID: 481632
Weight: 21.02ct
Size: 18.7 x 16.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 30.24
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ID: 492257
Weight: 7.80ct
Size: 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 29.34
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ID: 478403
Weight: 1.78ct
Size: 12.1 x 6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 74.76
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ID: 655560
Weight: 1.65ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 39.60
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ID: 573981
Weight: 2.08ct
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 45.76
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ID: 476472
Weight: 6.83ct
Size: 16 x 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 63.11
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ID: 537022
Weight: 1.45ct
Size: 7.8 x 4.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 5.75
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ID: 438943
Weight: 8.29ct
Size: 12 x 12 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 514.31
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ID: 517820
Weight: 24.20ct
Size: 26.4 x 13.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 28.43
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ID: 680679
Weight: 4.80ct
Size: 13 x 9 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 144.00
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ID: 638580
Weight: 1.94ct
Size: 6.7 x 6.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 11.64
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ID: 658439
Weight: 24.87ct
Size: 17.1 x 16.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.41
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ID: 411618
Weight: 2.54ct (total)
Size: 7.8 x 5.7 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 117.35
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ID: 700085
Weight: 0.40ct
Size: 4.6 x 3.8 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 24.00
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ID: 533814
Weight: 2.90ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 94.69
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ID: 699813
Weight: 27.82ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 26.71
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ID: 724963
Weight: 1.07ct
Size: 10.1 x 3.5 mm
Clarity: VS
Content: 1 pc
Price: $ 44.94
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ID: 462473
Weight: 3.88ct
Size: 11 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 30.73
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ID: 694308
Weight: 30.02ct
Size: 25 x 23.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 90.06
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ID: 550540
Weight: 29.05ct (total)
Size: 21.9 x 13.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 43.72
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ID: 514428
Weight: 4.90ct
Size: 13 x 10.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 258.72
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ID: 497875
Weight: 3.46ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 23.89
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ID: 375993
Weight: 5.58ct (total)
Size: 7.3 x 6.5 mm
Clarity: Transparent
Content: 4 pcs
Price: $ 43.24
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ID: 470005
Weight: 25.19ct (total)
Size: 12 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 34.92
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ID: 401368
Weight: 30.59ct
Size: 22.1 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 60.56
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ID: 650708
Weight: 18.91ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.35
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ID: 712258
Weight: 19.52ct
Size: 25.5 x 17 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.88
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ID: 478622
Weight: 0.72ct
Size: 9.8 x 5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 27.72
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ID: 659165
Weight: 1.88ct
Size: 7 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 4.51
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ID: 482515
Weight: 17.80ct
Size: 23.7 x 21.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.92
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ID: 713920
Weight: 0.88ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.78
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ID: 724563
Weight: 0.71ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 21.30
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ID: 463411
Weight: 4.39ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 31.61
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ID: 682557
Weight: 1.01ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 18.18
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ID: 700898
Weight: 0.68ct
Size: 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 40.80
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ID: 389926
Weight: 0.96ct
Size: 7.3 x 4.7 mm
Clarity: SI
Content: 1 pc
Price: $ 41.46
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ID: 684490
Weight: 19.16ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 19.08
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ID: 390592
Weight: 1.94ct (total)
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 8 pcs
Price: $ 124.86
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ID: 698906
Weight: 0.95ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 7.98
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ID: 619164
Weight: 4.03ct
Size: 13 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 29.42
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ID: 707149
Weight: 1.06ct
Size: 10 x 5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 2.54
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ID: 493122
Weight: 5.94ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 42.97
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ID: 682982
Weight: 15.37ct
Size: 19.5 x 10.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 147.55
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ID: 709795
Weight: 3.61ct
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.52
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ID: 459544
Weight: 4.17ct
Size: 11 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 8.27
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ID: 384247
Weight: 1.22ct
Size: 15.3 x 3.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 31.09
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ID: 736131
Weight: 10.77ct
Size: 22.3 x 19.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 221.75
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ID: 551657
Weight: 2.84ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 25.64
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ID: 432468
Weight: 4.48ct (total)
Size: 4.6 x 4.6 mm
Clarity: VS
Content: 10 pcs
Price: $ 29.57
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ID: 465843
Weight: 3.61ct (total)
Size: 11.9 x 5.9 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 38.12
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ID: 520150
Weight: 2.08ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 8.23
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ID: 480714
Weight: 2.25ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 20.80
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ID: 487410
Weight: 39.45ct
Size: 33.7 x 30.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.16
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ID: 594892
Weight: 2.44ct
Size: 9 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 29.28
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ID: 706399
Weight: 5.54ct
Size: 11.4 x 9.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.30
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ID: 497568
Weight: 2.20ct
Size: 8.5 x 7.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 58.08
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ID: 728231
Weight: 0.05ct
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 20.62
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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 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 -> 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

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have bought many stones from GemsSelect and have been very satisfied with all!I will continue to buy and recommend this site!

Posted By DG in July, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

great experience

Posted By T in December, 2024
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

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

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

This was a great time as always. The only problem I had was deciding between all the beautiful and affordable stones that met my requirements. I love shopping for sapphires!

Posted By Phoenix in August, 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 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 -> 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

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have bought many stones from GemsSelect and have been very satisfied with all!I will continue to buy and recommend this site!

Posted By DG in July, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

great experience

Posted By T in December, 2024
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

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

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

This was a great time as always. The only problem I had was deciding between all the beautiful and affordable stones that met my requirements. I love shopping for sapphires!

Posted By Phoenix in August, 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