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

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ID: 492422
Weight: 11.90ct
Size: 19 x 14.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 44.77
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ID: 367018
Weight: 8.29ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 56.35
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ID: 389219
Weight: 1.04ct
Size: 8.1 x 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 68.64
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ID: 725614
Weight: 1.54ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 14.78
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ID: 551160
Weight: 23.80ct (total)
Size: 20 x 13.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 35.81
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ID: 528884
Weight: 8.30ct
Size: 12 x 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 11.95
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ID: 543875
Weight: 1.04ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.61
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ID: 462916
Weight: 1.69ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 89.23
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ID: 499177
Weight: 2.01ct
Size: 12 x 4.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 397.98
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ID: 640735
Weight: 1.05ct
Size: 6.1 x 5.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 6.94
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ID: 565520
Weight: 2.16ct
Size: 7.3 x 7.3 mm
Clarity: SI
Content: 1 pc
Price: $ 49.13
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ID: 722747
Weight: 7.10ct
Size: 16.7 x 9.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 59.64
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ID: 696883
Weight: 16.09ct (total)
Size: 18.3 x 9.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 96.54
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ID: 661876
Weight: 12.75ct
Size: 24.4 x 13.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.78
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ID: 638168
Weight: 0.32ct
Size: 5.2 x 3.8 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 33.02
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ID: 648932
Weight: 14.34ct
Size: 15.8 x 13 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.74
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ID: 730018
Weight: 1.22ct
Size: 10.6 x 3.5 mm
Clarity: VS
Content: 1 pc
Price: $ 73.20
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ID: 562196
Weight: 42.89ct
Size: 47.2 x 9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 1,576.25
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ID: 355851
Weight: 3.83ct (total)
Size: 5.1 x 4.2 mm
Clarity: VS
Content: 10 pcs
Price: $ 25.28
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ID: 650121
Weight: 10.50ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.44
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ID: 445535
Weight: 3.12ct
Size: 12.7 x 8 mm
Clarity: VVS
Content: 1 pc
Price: $ 18.72
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ID: 548028
Weight: 2.21ct
Size: 8 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 44.77
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ID: 463908
Weight: 4.84ct
Size: 11.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 9.59
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ID: 716125
Weight: 11.71ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 112.42
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ID: 660199
Weight: 13.55ct (total)
Size: 15 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 16.26
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ID: 673662
Weight: 17.70ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 275.84
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ID: 358457
Weight: 3.94ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 26.00
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ID: 647756
Weight: 17.91ct (total)
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 23.64
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ID: 712194
Weight: 5.28ct
Size: 16 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 14.06
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ID: 454900
Weight: 7.78ct
Size: 18.1 x 11.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 13.04
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ID: 458599
Weight: 1.68ct (total)
Size: 4.8 x 3.9 mm
Clarity: VS
Content: 4 pcs
Price: $ 221.76
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ID: 345975
Weight: 15.81ct
Size: 16.3 x 14.9 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 27.13
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ID: 526267
Weight: 2.48ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 23.81
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ID: 736677
Weight: 18.11ct
Size: 29.1 x 19.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.54
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ID: 522651
Weight: 36.16ct
Size: 31.5 x 22.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.74
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ID: 716372
Weight: 1.32ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 12.67
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ID: 479380
Weight: 1.16ct
Size: 9.9 x 5.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.25
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ID: 400115
Weight: 7.84ct (total)
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 25.87
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ID: 612266
Weight: 0.55ct
Size: 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.75
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ID: 683030
Weight: 0.59ct
Size: 6 x 4 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 10.62
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ID: 704389
Weight: 0.77ct
Size: 8.7 x 3.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 25.31
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ID: 711847
Weight: 0.38ct
Size: 6 x 4 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 1.01
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ID: 618054
Weight: 15.10ct (total)
Size: 16 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 39.86
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ID: 451655
Weight: 2.45ct (total)
Size: 10.2 x 4.5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 152.00
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ID: 400803
Weight: 3.98ct
Size: 10 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 26.39
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ID: 730349
Weight: 2.76ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 24.71
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ID: 414384
Weight: 9.60ct
Size: 15.7 x 13.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 101.38
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ID: 711205
Weight: 0.45ct
Size: 6 x 4 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 1.20
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ID: 555851
Weight: 0.75ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 5.94
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ID: 431192
Weight: 1.54ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 16.24
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ID: 718153
Weight: 0.60ct
Size: 5.3 x 4.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 18.00
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ID: 445977
Weight: 5.44ct
Size: 14.9 x 9.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 39.71
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ID: 371385
Weight: 5.03ct (total)
Size: 8 x 5 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 33.20
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ID: 541240
Weight: 1.05ct (total)
Size: 8.1 x 4.1 mm
Clarity: VS
Content: 2 pcs
Price: $ 6.94
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ID: 690249
Weight: 86.91ct
Size: 40.3 x 29.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 66.00
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ID: 490325
Weight: 1.39ct
Size: 6.7 x 6.4 mm
Clarity: VS
Content: 1 pc
Price: $ 114.49
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ID: 427857
Weight: 2.54ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 16.76
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ID: 694999
Weight: 2.70ct
Size: 9 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 81.00
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ID: 440538
Weight: 2.51ct (total)
Size: 4.7 mm
Clarity: VS
Content: 5 pcs
Price: $ 66.26
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ID: 660327
Weight: 3.32ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 8.00
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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 -> 8 star ratings

The website was nice and I bought some gems

Posted By Jay in December, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I like the way your website shows us what stone were buying as well the easy way to navigate the site. also knowing the stones are real...

Posted By RED in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar

Posted By TheP in January, 2025
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

Overall Rating -> 10 star ratings

Muy serios y muy oportunos para el envo

Posted By Veronica in September, 2024
Source: Bizrate

Overall Rating -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Great site always looking for great deals and find them on this site

Posted By IRO5812 in July, 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 -> 8 star ratings

The website was nice and I bought some gems

Posted By Jay in December, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I like the way your website shows us what stone were buying as well the easy way to navigate the site. also knowing the stones are real...

Posted By RED in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar

Posted By TheP in January, 2025
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

Overall Rating -> 10 star ratings

Muy serios y muy oportunos para el envo

Posted By Veronica in September, 2024
Source: Bizrate

Overall Rating -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Great site always looking for great deals and find them on this site

Posted By IRO5812 in July, 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