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

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ID: 645479
Weight: 24.48ct
Size: 20 x 16 mm
Clarity: Opaque
Content: 1 pc
Price: $ 121.03
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ID: 348625
Weight: 23.10ct
Size: 25.9 x 19.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 30.49
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ID: 588915
Weight: 3.49ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 105.22
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ID: 552258
Weight: 1.73ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 15.98
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ID: 408071
Weight: 8.22ct
Size: 13 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 19.42
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ID: 594835
Weight: 16.84ct
Size: 21 x 13.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 133.37
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ID: 594185
Weight: 0.90ct
Size: 5 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 21.38
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ID: 543734
Weight: 1.03ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.52
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ID: 309439
Weight: 0.72ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 40.87
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ID: 461786
Weight: 1.92ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 89.62
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ID: 439099
Weight: 3.59ct
Size: 8.6 x 8.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 222.72
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ID: 718853
Weight: 0.70ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 12.60
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ID: 397291
Weight: 6.04ct
Size: 11 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 39.86
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ID: 709140
Weight: 1.85ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 38.21
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ID: 598322
Weight: 1.34ct
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 26.53
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ID: 687178
Weight: 2.20ct
Size: 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 2.64
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ID: 711143
Weight: 19.78ct
Size: 18 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 166.15
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ID: 705608
Weight: 0.33ct
Size: 4.6 x 3.7 mm
Clarity: SI
Content: 1 pc
Price: $ 13.46
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ID: 325978
Weight: 2.60ct
Size: 9.2 x 7.5 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 9.26
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ID: 728373
Weight: 29.48ct
Size: 35.5 x 18.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 60.14
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ID: 471830
Weight: 6.06ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 24.00
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ID: 372541
Weight: 25.90ct (total)
Size: 17.6 x 8.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 245.47
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ID: 504931
Weight: 7.66ct
Size: 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 50.56
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ID: 551280
Weight: 3.00ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.08
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ID: 411653
Weight: 1.24ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 57.29
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ID: 603866
Weight: 1.54ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.23
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ID: 711827
Weight: 3.95ct
Size: 15.1 x 10.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 105.13
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ID: 584109
Weight: 11.62ct
Size: 39.4 x 8.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 33.74
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ID: 384349
Weight: 1.25ct
Size: 14.8 x 3.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.84
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ID: 398830
Weight: 1.96ct
Size: 8 x 8 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 51.74
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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: 554940
Weight: 21.11ct
Size: 21.3 x 11 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.63
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ID: 439264
Weight: 2.54ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 157.58
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ID: 655363
Weight: 5.02ct
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 66.26
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ID: 445131
Weight: 10.95ct
Size: 14 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 362.51
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ID: 501590
Weight: 2.16ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 17.11
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ID: 655566
Weight: 2.02ct
Size: 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 48.48
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ID: 669527
Weight: 19.06ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 57.18
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ID: 710384
Weight: 3.11ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 26.12
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ID: 590925
Weight: 1.03ct
Size: 6 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 20.82
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ID: 663063
Weight: 4.81ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.54
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ID: 465508
Weight: 5.28ct
Size: 12 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 42.65
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ID: 484697
Weight: 2.10ct
Size: 7.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 13.86
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ID: 650616
Weight: 7.15ct
Size: 17 x 10.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 30.29
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ID: 700367
Weight: 0.68ct
Size: 5.4 x 5.1 mm
Clarity: VS
Content: 1 pc
Price: $ 29.29
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ID: 669202
Weight: 13.80ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.56
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ID: 737869
Weight: 0.59ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 29.50
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ID: 283442
Weight: 1.05ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 135.14
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ID: 699685
Weight: 20.07ct
Size: 35.8 x 14.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 16.86
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ID: 710155
Weight: 1.41ct
Size: 6.9 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 25.26
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ID: 730231
Weight: 2.98ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 26.68
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ID: 636609
Weight: 0.83ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 43.82
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ID: 725616
Weight: 0.88ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.45
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ID: 389952
Weight: 19.68ct
Size: 24.7 x 16.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 47.23
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ID: 465504
Weight: 4.12ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 36.06
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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: 392766
Weight: 6.34ct
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 41.84
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ID: 334252
Weight: 21.24ct
Size: 18 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 34.20
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ID: 475852
Weight: 7.35ct
Size: 15.1 x 8.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 38.81
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ID: 733050
Weight: 0.51ct
Size: 5.9 x 3.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 21.42
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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 just bought some mystic quartz. Checkout was smooth and pleasant

Posted By Jay in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 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 -> 8 star ratings

The website was nice and I bought some gems

Posted By Jay in December, 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

Overall Rating -> 10 star ratings

Loved everything. High quality, quick shipping, and authentication included.

Posted By Chris in March, 2025
Source: Bizrate

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 -> 8 star ratings

Loved the lot buy options

Posted By BDG in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. in February, 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

I just bought some mystic quartz. Checkout was smooth and pleasant

Posted By Jay in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 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 -> 8 star ratings

The website was nice and I bought some gems

Posted By Jay in December, 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

Overall Rating -> 10 star ratings

Loved everything. High quality, quick shipping, and authentication included.

Posted By Chris in March, 2025
Source: Bizrate

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 -> 8 star ratings

Loved the lot buy options

Posted By BDG in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. in February, 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