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

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ID: 731020
Weight: 12.39ct (total)
Size: 16.7 x 11.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 8.47
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ID: 689797
Weight: 3.65ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 20.10
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ID: 650682
Weight: 1.38ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 11.59
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ID: 693234
Weight: 19.33ct
Size: 18.4 x 14.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 162.37
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ID: 698562
Weight: 3.17ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.63
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ID: 387719
Weight: 2.90ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 19.14
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ID: 674260
Weight: 4.97ct
Size: 13 x 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 149.10
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ID: 712657
Weight: 2.48ct
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.61
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ID: 418297
Weight: 7.48ct
Size: 14.7 x 10.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 14.81
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ID: 350271
Weight: 1.34ct
Size: 12.6 x 3.6 mm
Clarity: VS
Content: 1 pc
Price: $ 38.92
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ID: 683052
Weight: 0.13ct
Size: 3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 74.51
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ID: 710305
Weight: 6.46ct
Size: 13.8 x 12.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.84
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ID: 466121
Weight: 4.32ct (total)
Size: 12 x 6.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 45.62
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ID: 713771
Weight: 0.85ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 14.28
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ID: 521213
Weight: 21.80ct
Size: 29 x 9.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.83
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ID: 671013
Weight: 20.12ct
Size: 23.9 x 17.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 51.91
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ID: 549032
Weight: 2.70ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: SI
Content: 2 pcs
Price: $ 35.64
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ID: 328614
Weight: 12.98ct
Size: 16.1 x 15.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.57
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ID: 718462
Weight: 1.00ct
Size: 5.9 x 5 mm
Clarity: VVS
Content: 1 pc
Price: $ 30.00
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ID: 696814
Weight: 19.76ct
Size: 30.8 x 9.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 2.38
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ID: 450684
Weight: 3.88ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 35.86
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ID: 479288
Weight: 2.38ct (total)
Size: 10 x 5.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 25.13
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ID: 348929
Weight: 36.10ct
Size: 25 x 20.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 47.65
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ID: 571487
Weight: 4.05ct
Size: 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.74
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ID: 710500
Weight: 6.06ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 4.00
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ID: 359948
Weight: 4.00ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 26.40
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ID: 662682
Weight: 20.20ct (total)
Size: 21.3 x 16.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 14.30
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ID: 714937
Weight: 8.34ct
Size: 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 21.61
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ID: 571258
Weight: 1.72ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 144.48
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ID: 327745
Weight: 0.56ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 66.53
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ID: 328557
Weight: 22.88ct
Size: 20 x 15 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 36.25
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ID: 366385
Weight: 1.04ct
Size: 6.7 x 5.6 mm
Clarity: VS
Content: 1 pc
Price: $ 146.11
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ID: 447092
Weight: 2.01ct
Size: 7.9 x 7.2 mm
Clarity: VS
Content: 1 pc
Price: $ 94.99
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ID: 455778
Weight: 2.48ct
Size: 12.1 x 6.1 mm
Clarity: VS
Content: 1 pc
Price: $ 22.92
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ID: 571607
Weight: 12.67ct
Size: 17 x 13.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 100.34
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ID: 692820
Weight: 40.12ct
Size: 45 x 10.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.45
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ID: 715720
Weight: 0.86ct
Size: 12.1 x 4.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 8.26
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ID: 712486
Weight: 4.02ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 10.70
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ID: 320214
Weight: 1.14ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 67.72
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ID: 545097
Weight: 2.48ct
Size: 9 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 18.49
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ID: 734743
Weight: 7.28ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 305.76
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ID: 423029
Weight: 40.58ct (total)
Size: 14 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 53.57
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ID: 465998
Weight: 7.20ct
Size: 14 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.26
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ID: 689095
Weight: 0.07ct
Size: 2.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 40.81
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ID: 662630
Weight: 27.96ct (total)
Size: 26.5 x 15.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 19.80
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ID: 634774
Weight: 0.96ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.65
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ID: 710334
Weight: 7.03ct
Size: 14 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 223.56
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ID: 623114
Weight: 1.48ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 31.13
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ID: 380739
Weight: 1.34ct
Size: 9 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 88.44
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ID: 391873
Weight: 24.06ct (total)
Size: 33.5 x 12.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 47.64
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ID: 730138
Weight: 33.61ct
Size: 29.8 x 25.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.27
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ID: 466810
Weight: 0.83ct
Size: 7 x 5.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 60.26
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ID: 485364
Weight: 4.31ct
Size: 12 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 11.38
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ID: 406687
Weight: 11.05ct
Size: 14.9 x 11.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 43.76
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ID: 682434
Weight: 11.01ct
Size: 16 x 13.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 66.06
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ID: 445826
Weight: 2.29ct
Size: 8.5 x 6.9 mm
Clarity: VS
Content: 1 pc
Price: $ 109.33
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ID: 606457
Weight: 2.21ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 5.83
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ID: 655153
Weight: 1.57ct
Size: 12 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 13.19
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ID: 712024
Weight: 6.39ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.03
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ID: 481062
Weight: 15.35ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.81
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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

Excellent selection and easy to use, well done site

Posted By Steph 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 love browsing the site and everything is easy to find. There is just so much I get lost for hours. Sometimes I wish there were videos of some gems, but other than that I love shopping with GemSelect and I have referred the site to many people many times. I work in the jewelry industry myself and I love to show off what Ive had made with my gems from GemSelect! Thank you

Posted By Antennaesglow in July, 2024
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 -> 10 star ratings

Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.

Posted By Jac in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

love the site, the experience and the products.

Posted By Ckingpots in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I was looking for

Posted By Lincolnpremier in January, 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

Excellent selection and easy to use, well done site

Posted By Steph 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 love browsing the site and everything is easy to find. There is just so much I get lost for hours. Sometimes I wish there were videos of some gems, but other than that I love shopping with GemSelect and I have referred the site to many people many times. I work in the jewelry industry myself and I love to show off what Ive had made with my gems from GemSelect! Thank you

Posted By Antennaesglow in July, 2024
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 -> 10 star ratings

Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.

Posted By Jac in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

love the site, the experience and the products.

Posted By Ckingpots in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I was looking for

Posted By Lincolnpremier in January, 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