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

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ID: 490910
Weight: 4.40ct (total)
Size: 5.7 mm
Clarity: VS
Content: 5 pcs
Price: $ 51.82
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ID: 463340
Weight: 3.64ct (total)
Size: 12 x 6 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 48.19
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ID: 697562
Weight: 0.48ct (total)
Size: 3.7 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 10.37
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ID: 712176
Weight: 8.07ct (total)
Size: 14 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 21.50
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ID: 433880
Weight: 38.75ct
Size: 34.9 x 25.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 51.16
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ID: 492620
Weight: 5.14ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 37.19
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ID: 501981
Weight: 2.22ct
Size: 17.3 x 4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 73.26
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ID: 697748
Weight: 0.73ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 4.38
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ID: 502956
Weight: 1.81ct
Size: 14.1 x 4.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 59.74
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ID: 479881
Weight: 9.10ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 84.08
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ID: 706915
Weight: 2.48ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.95
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ID: 390226
Weight: 3.24ct
Size: 11.3 x 7.9 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 1,069.20
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ID: 466000
Weight: 7.70ct
Size: 14 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.25
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ID: 574614
Weight: 3.13ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 82.63
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ID: 673228
Weight: 1.31ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 31.44
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ID: 558478
Weight: 2.06ct (total)
Size: 6.8 x 4.8 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 7.82
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ID: 392413
Weight: 5.72ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 22.66
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ID: 306222
Weight: 5.26ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent/Translucent
Content: 2 pcs
Price: $ 34.72
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ID: 492197
Weight: 11.50ct
Size: 21.4 x 14.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 43.27
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ID: 467819
Weight: 3.07ct
Size: 8.6 x 7.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 184.20
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ID: 625261
Weight: 2.30ct
Size: 9.1 x 7.5 mm
Clarity: VS
Content: 1 pc
Price: $ 46.97
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ID: 651045
Weight: 3.07ct (total)
Size: 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 25.79
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ID: 505202
Weight: avg. 0.61 ct / each
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Price: $ 16.91
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ID: 671446
Weight: 28.07ct
Size: 26.4 x 18.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 72.42
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ID: 427745
Weight: 2.40ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 15.84
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ID: 384893
Weight: 4.08ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 37.70
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ID: 592767
Weight: 1.25ct (total)
Size: 8.1 x 4.1 mm
Clarity: VS
Content: 2 pcs
Price: $ 23.10
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ID: 716419
Weight: 2.84ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 27.26
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ID: 688990
Weight: 0.94ct
Size: 12.1 x 4.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 9.02
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ID: 513988
Weight: 3.20ct
Size: 10.9 x 7.8 mm
Clarity: VS
Content: 1 pc
Price: $ 25.34
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ID: 730023
Weight: 2.58ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 23.10
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ID: 693348
Weight: 3.97ct
Size: 8.4 x 7.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 131.63
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ID: 656080
Weight: 1.30ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 31.20
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ID: 521232
Weight: 20.27ct
Size: 34 x 8.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.72
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ID: 406872
Weight: 13.71ct
Size: 15.1 x 12.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 54.29
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ID: 413638
Weight: 3.61ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 29.70
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ID: 472122
Weight: 8.28ct
Size: 14.6 x 11.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 76.51
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ID: 712638
Weight: 1.65ct
Size: 9 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.39
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ID: 687797
Weight: 1.46ct
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.27
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ID: 352281
Weight: 4.14ct
Size: 16 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 38.26
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ID: 492274
Weight: 9.51ct
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 35.77
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ID: 694219
Weight: 1.15ct
Size: 10.3 x 3.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.50
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ID: 656789
Weight: 2.46ct
Size: 12 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.20
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ID: 491971
Weight: 25.58ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 22.62
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ID: 335181
Weight: 34.62ct
Size: 34.7 x 26.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 117.56
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ID: 685595
Weight: 0.07ct (total)
Size: 1.9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 24.50
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ID: 700900
Weight: 0.97ct
Size: 5.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 58.20
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ID: 432483
Weight: 10.68ct
Size: 13 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 23.98
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ID: 681846
Weight: 7.58ct
Size: 12.6 x 10.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 45.48
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ID: 499828
Weight: 4.45ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 41.12
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ID: 501480
Weight: 9.71ct
Size: 20.1 x 14.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 40.76
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ID: 539195
Weight: 2.06ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Price: $ 19.03
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ID: 439515
Weight: 5.63ct
Size: 14.8 x 9.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 111.48
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ID: 632408
Weight: 2.67ct
Size: 18.1 x 7.1 mm
Clarity: VS
Content: 1 pc
Price: $ 19.22
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ID: 526572
Weight: 1.86ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 17.86
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ID: 691801
Weight: 0.49ct
Size: 4.9 x 4.1 mm
Clarity: VS
Content: 1 pc
Price: $ 41.16
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ID: 715078
Weight: 1.14ct
Size: 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 2.95
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ID: 480771
Weight: 2.03ct (total)
Size: 5.7 x 3.8 mm
Clarity: VS
Content: 4 pcs
Price: $ 18.76
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ID: 672428
Weight: 1.61ct
Size: 8.2 x 6.5 mm
Clarity: VS
Content: 1 pc
Price: $ 38.64
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ID: 529264
Weight: 1.72ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 15.89
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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

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'm happy.

Posted By Ray in January, 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

It was my second time so I understand what it is to do

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

This is a wonderful website

Posted By Bryan Diaz in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

All Good

Posted By Boru in July, 2024
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

I love gemstones. My father was a jeweler & I used to shop for stones for him.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 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 -> 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'm happy.

Posted By Ray in January, 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

It was my second time so I understand what it is to do

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

This is a wonderful website

Posted By Bryan Diaz in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

All Good

Posted By Boru in July, 2024
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

I love gemstones. My father was a jeweler & I used to shop for stones for him.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 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