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

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ID: 378647
Weight: 0.96ct
Size: 8 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 3,294.72
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ID: 499903
Weight: 14.27ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 108.31
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ID: 655159
Weight: 0.93ct
Size: 6 x 6 mm (calibrated)
Clarity: Transparent
Price: $ 7.81
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ID: 556529
Weight: 2.85ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 23.86
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ID: 696537
Weight: 12.73ct
Size: 16.6 x 15.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.92
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ID: 639209
Weight: 2.60ct
Size: 8.5 x 6.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 12.89
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ID: 513994
Weight: 2.18ct
Size: 11 x 8.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 17.27
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ID: 705837
Weight: 1.14ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.58
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ID: 472890
Weight: 6.34ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 25.10
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ID: 453545
Weight: 10.15ct
Size: 13.8 x 11.5 mm
Clarity: VS
Content: 1 pc
Price: $ 334.96
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ID: 564223
Weight: 2.67ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 17.63
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ID: 693081
Weight: 26.13ct
Size: 20 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 219.49
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ID: 316153
Weight: 3.03ct (total)
Size: 8 x 5 mm (calibrated)
Clarity: VVS
Content: 5 pcs
Price: $ 22.01
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ID: 416382
Weight: 1.26ct
Size: 18.7 x 3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.91
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ID: 439737
Weight: 0.96ct
Size: 6.2 x 4.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 32.26
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ID: 713433
Weight: 19.00ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 159.60
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ID: 493867
Weight: 5.32ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 38.14
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ID: 601884
Weight: 13.64ct (total)
Size: 21.5 x 12 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 72.56
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ID: 239069
Weight: 8.09ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 15.13
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ID: 730808
Weight: 0.68ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 6.53
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ID: 438019
Weight: 1.08ct
Size: 17.9 x 2.9 mm
Clarity: VS
Content: 1 pc
Price: $ 35.64
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ID: 523054
Weight: 51.41ct
Size: 26.3 x 21.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 111.29
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ID: 718175
Weight: 0.02ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 19.20
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ID: 494857
Weight: 22.80ct
Size: 26.5 x 13.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 16.25
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ID: 533863
Weight: 3.79ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 35.02
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ID: 291460
Weight: 6.96ct
Size: 22 x 9.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.26
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ID: 387790
Weight: 1.50ct (total)
Size: 3.9 x 3.1 mm
Clarity: VS
Content: 7 pcs
Price: $ 133.21
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ID: 723740
Weight: 21.16ct
Size: 18 x 14 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.14
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ID: 387250
Weight: 4.55ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.04
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ID: 711844
Weight: 17.16ct
Size: 28.4 x 14.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.19
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ID: 592190
Weight: 0.70ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 23.10
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ID: 664608
Weight: 1.38ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.90
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ID: 730236
Weight: 35.84ct
Size: 30 x 21.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.40
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ID: 565256
Weight: 21.61ct
Size: 24.8 x 15.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 13.19
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ID: 725305
Weight: 27.18ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 97.85
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ID: 521445
Weight: 23.59ct
Size: 26 x 16.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 186.83
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ID: 735070
Weight: 0.18ct
Size: 4.3 x 3.4 mm
Clarity: VS
Content: 1 pc
Price: $ 15.12
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ID: 705180
Weight: 3.02ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 2.80
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ID: 392235
Weight: 7.57ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 49.97
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ID: 541805
Weight: avg. 0.28 ct / each
Size: 5.9 x 3 mm
Clarity: VS
Price: $ 1.53
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ID: 600420
Weight: 6.29ct
Size: 13.8 x 10.1 mm
Clarity: Transparent
Price: $ 28.14
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ID: 625109
Weight: 1.18ct
Size: 6.6 x 4.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.67
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ID: 696876
Weight: 10.04ct (total)
Size: 15.1 x 9.1 mm
Clarity: VS
Content: 2 pcs
Price: $ 72.29
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ID: 495355
Weight: 2.79ct
Size: 9.5 x 7.4 mm
Clarity: VS
Content: 1 pc
Price: $ 59.81
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ID: 491013
Weight: 11.08ct (total)
Size: 8 mm (calibrated)
Clarity: Opaque
Content: 5 pcs
Price: $ 32.62
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ID: 719957
Weight: 0.83ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 6.97
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ID: 732829
Weight: 0.48ct
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 20.16
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ID: 664657
Weight: 2.10ct
Size: 10 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 10.08
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ID: 611438
Weight: 5.42ct
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 21.47
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ID: 720915
Weight: 1.48ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 12.43
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ID: 526437
Weight: 6.58ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 61.93
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ID: 499219
Weight: 2.11ct
Size: 10.5 x 5.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 417.78
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ID: 367252
Weight: 7.08ct (total)
Size: 8 mm (calibrated)
Clarity: Transparent/Translucent
Content: 4 pcs
Price: $ 46.73
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ID: 522782
Weight: 11.34ct
Size: 17.2 x 13.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 89.81
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ID: 597445
Weight: 1.32ct
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 26.14
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ID: 721399
Weight: 0.63ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 11.34
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ID: 394835
Weight: 12.34ct
Size: 15 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 48.86
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ID: 710000
Weight: 0.43ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Price: $ 3.61
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ID: 390558
Weight: 1.57ct (total)
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 101.05
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ID: 489706
Weight: 2.42ct (total)
Size: 4.5 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 47.92
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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

It was easy to find what I wanted

Posted By Villian in December, 2024
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 -> 10 star ratings

I found exactly what I was looking for and ordered it. I like how you give information on the stones I'm buying. Glad I found you!

Posted By TheP in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I trust this company to deliver exactly what is offered. I have never had to return a selection of Gems. I appreciate the company's detailed description of their product. It helps this customer find mounts before the gems arrive. Any day of the year one can find a wide selection of gems, be it by price, color, cut, lot or single. Pricing does not jump all over the place and stays reasonable. Be assured your items will arrive in perfect condition as the company's shipping department does a great job.

Posted By Miss Sherrie in August, 2024
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 -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 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

Helpselect accomplished all personal growth goals

Posted By Mike in October, 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

It was easy to find what I wanted

Posted By Villian in December, 2024
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 -> 10 star ratings

I found exactly what I was looking for and ordered it. I like how you give information on the stones I'm buying. Glad I found you!

Posted By TheP in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I trust this company to deliver exactly what is offered. I have never had to return a selection of Gems. I appreciate the company's detailed description of their product. It helps this customer find mounts before the gems arrive. Any day of the year one can find a wide selection of gems, be it by price, color, cut, lot or single. Pricing does not jump all over the place and stays reasonable. Be assured your items will arrive in perfect condition as the company's shipping department does a great job.

Posted By Miss Sherrie in August, 2024
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 -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 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

Helpselect accomplished all personal growth goals

Posted By Mike in October, 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