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

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ID: 723018
Weight: 0.62ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 18.60
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ID: 440405
Weight: 1.07ct
Size: 5.6 x 4.9 mm
Clarity: VS
Content: 1 pc
Price: $ 39.55
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ID: 433893
Weight: 2.32ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.31
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ID: 640025
Weight: 2.00ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 50.16
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ID: 352941
Weight: 1.07ct
Size: 7.3 x 5.5 mm
Clarity: VS
Content: 1 pc
Price: $ 137.71
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ID: 674441
Weight: 10.71ct
Size: 25.5 x 15.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.99
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ID: 716413
Weight: 2.81ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 26.98
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ID: 698587
Weight: 6.88ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 57.79
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ID: 360628
Weight: 8.14ct
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 42.98
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ID: 434079
Weight: 16.87ct
Size: 21 x 14.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 242.93
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ID: 711702
Weight: 0.71ct
Size: 6.3 x 4.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 14.17
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ID: 435380
Weight: 4.09ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 29.45
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ID: 553597
Weight: 7.33ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 38.70
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ID: 673487
Weight: 1.59ct
Size: 7.8 x 6.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.16
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ID: 239251
Weight: 29.20ct
Size: 30.3 x 15.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 87.60
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ID: 436519
Weight: 3.05ct
Size: 10 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 9.90
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ID: 471272
Weight: 34.86ct
Size: 27 x 20 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 71.78
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ID: 328239
Weight: 13.12ct (total)
Size: 12 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 86.59
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ID: 527603
Weight: 3.19ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 23.08
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ID: 704405
Weight: 1.92ct
Size: 18.9 x 3.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 63.11
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ID: 712290
Weight: 1.97ct (total)
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 39.34
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ID: 491712
Weight: 66.33ct (total)
Size: 20 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 77.92
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ID: 678861
Weight: 3.26ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 27.38
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ID: 490432
Weight: 3.24ct (total)
Size: 6 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 38.15
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ID: 668538
Weight: 7.96ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 9.55
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ID: 553501
Weight: 2.36ct
Size: 8.6 x 6.7 mm
Clarity: VS
Content: 1 pc
Price: $ 53.33
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ID: 481396
Weight: 1.82ct
Size: 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 43.58
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ID: 689097
Weight: 0.07ct
Size: 2.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 40.81
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ID: 442832
Weight: 3.27ct (total)
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 7.85
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ID: 357695
Weight: 3.93ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 25.94
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ID: 712388
Weight: 17.70ct
Size: 21.2 x 16.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 148.68
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ID: 689595
Weight: 1.82ct (total)
Size: 9.2 x 5.1 mm
Clarity: VS
Content: 2 pcs
Price: $ 17.47
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ID: 693818
Weight: 2.41ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.68
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ID: 395817
Weight: 5.75ct
Size: 9.6 x 9.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 281.74
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ID: 406815
Weight: 13.37ct
Size: 14.8 x 12.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 52.94
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ID: 712296
Weight: 2.30ct (total)
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 45.92
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ID: 724546
Weight: 0.25ct
Size: 5.1 x 3.3 mm
Clarity: VS
Content: 1 pc
Price: $ 35.00
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ID: 425992
Weight: 3.49ct
Size: 8.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 27.64
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ID: 727059
Weight: 0.81ct
Size: 9 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 24.30
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ID: 505325
Weight: 2.18ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 20.15
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ID: 632300
Weight: 6.14ct (total)
Size: 17.9 x 7 mm
Clarity: VVS
Content: 2 pcs
Price: $ 44.21
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ID: 720479
Weight: 0.79ct
Size: 5.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 76.04
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ID: 382563
Weight: 15.94ct
Size: 22.3 x 15.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 63.12
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ID: 551608
Weight: 0.77ct
Size: 7.5 x 4.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 2.89
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ID: 724012
Weight: 62.53ct
Size: 24.6 x 19.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 74.28
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ID: 623864
Weight: 2.60ct
Size: 7.9 x 7.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 17.16
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ID: 714351
Weight: 0.47ct
Size: 4.2 mm
Clarity: SI
Content: 1 pc
Price: $ 14.10
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ID: 412178
Weight: 2.81ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 18.55
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ID: 658156
Weight: 6.10ct
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.32
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ID: 574762
Weight: 3.02ct (total)
Size: 8.9 x 6.7 mm
Clarity: VS
Content: 2 pcs
Price: $ 79.73
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ID: 416648
Weight: 5.65ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 29.83
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ID: 383497
Weight: 1.93ct
Size: 20.9 x 3.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 48.86
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ID: 713938
Weight: 1.13ct
Size: 8.1 x 6.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 9.49
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ID: 718040
Weight: 24.70ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 88.92
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ID: 572104
Weight: 1.20ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 38.02
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ID: 725179
Weight: 11.40ct
Size: 14.1 x 12.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.00
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ID: 695442
Weight: 3.79ct
Size: 11.7 x 5.8 mm
Clarity: VS
Content: 1 pc
Price: $ 113.70
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ID: 711833
Weight: 14.48ct
Size: 22.9 x 10.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 28.85
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ID: 471473
Weight: 36.40ct
Size: 33.9 x 24.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.80
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ID: 437773
Weight: 1.50ct
Size: 15.2 x 3.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 49.50
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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 like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.

Posted By Nate in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

This is a wonderful website

Posted By Bryan Diaz in September, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

Easy website to navigate, lots of different varieties and options to choose from.

Posted By Brian in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Ive been looking for a place to buy loose gemstones for years and was thrilled when I found this site

Posted By Bern in October, 2024
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

It was easy to find what I wanted

Posted By Villian in December, 2024
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

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 like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.

Posted By Nate in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

This is a wonderful website

Posted By Bryan Diaz in September, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

Easy website to navigate, lots of different varieties and options to choose from.

Posted By Brian in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Ive been looking for a place to buy loose gemstones for years and was thrilled when I found this site

Posted By Bern in October, 2024
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

It was easy to find what I wanted

Posted By Villian in December, 2024
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

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