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

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ID: 478065
Weight: 5.22ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 47.82
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ID: 428064
Weight: 7.71ct
Size: 15.7 x 11.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 55.51
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ID: 462724
Weight: 1.32ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 69.70
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ID: 461768
Weight: 1.57ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 73.28
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ID: 348896
Weight: 22.43ct
Size: 18.9 x 16.4 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 38.50
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ID: 737133
Weight: 2.29ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 103.05
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ID: 255629
Weight: 0.73ct (total)
Size: 3.1 mm
Clarity: VS
Content: 5 pcs
Price: $ 157.25
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ID: 660173
Weight: 2.09ct
Size: 7 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.04
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ID: 642618
Weight: 0.95ct
Size: 6.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 44.46
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ID: 638299
Weight: 2.93ct
Size: 9.5 x 7.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 14.52
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ID: 447500
Weight: 36.70ct
Size: 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 96.89
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ID: 453340
Weight: 1.64ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 15.16
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ID: 408020
Weight: 9.41ct
Size: 14 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 22.22
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ID: 727867
Weight: 3.82ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 9.17
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ID: 480892
Weight: 4.71ct (total)
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 33.56
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ID: 415996
Weight: 1.00ct
Size: 14.4 x 2.8 mm
Clarity: VS
Content: 1 pc
Price: $ 31.68
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ID: 650125
Weight: 8.54ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 6.05
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ID: 683501
Weight: 4.32ct
Size: 13 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 40.02
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ID: 566985
Weight: 1.84ct
Size: 6 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 41.29
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ID: 708751
Weight: 1.29ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 26.64
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ID: 389485
Weight: 2.85ct (total)
Size: 7.7 x 6.5 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 18.82
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ID: 645863
Weight: 13.67ct
Size: 20.1 x 12.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.65
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ID: 551057
Weight: 2.94ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 22.13
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ID: 403852
Weight: 8.48ct
Size: 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 44.77
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ID: 383710
Weight: 1.55ct
Size: 16.3 x 3.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.08
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ID: 485956
Weight: 10.66ct
Size: 16.1 x 12.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 89.54
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ID: 435505
Weight: 5.63ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 37.16
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ID: 431327
Weight: 1.59ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 16.76
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ID: 692168
Weight: 0.66ct
Size: 5 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 39.60
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ID: 391963
Weight: 9.98ct
Size: 22.7 x 12.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.76
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ID: 493018
Weight: 5.21ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 37.69
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ID: 517572
Weight: 1.91ct
Size: 10.7 x 6.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 10.08
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ID: 467870
Weight: 4.20ct (total)
Size: 3 mm (calibrated)
Clarity: Transparent
Content: 23 pcs
Price: $ 27.72
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ID: 609887
Weight: 3.68ct
Size: 14 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 34.22
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ID: 693428
Weight: 4.18ct
Size: 8.9 x 7.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 138.59
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ID: 497187
Weight: 17.99ct
Size: 26.8 x 17.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.60
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ID: 642611
Weight: 1.04ct
Size: 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 48.67
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ID: 569270
Weight: 2.28ct
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 45.32
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ID: 727027
Weight: 0.84ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.12
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ID: 559064
Weight: 2.05ct
Size: 7 x 7 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 42.08
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ID: 555875
Weight: 0.78ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 20.59
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ID: 585889
Weight: 33.42ct
Size: 34.4 x 22.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.85
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ID: 693732
Weight: 5.25ct
Size: 10.9 x 7.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 174.07
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ID: 439475
Weight: 7.27ct
Size: 15.2 x 8.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 143.95
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ID: 521025
Weight: 7.32ct
Size: 15.2 x 9.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 175.68
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ID: 696202
Weight: 37.96ct
Size: 25.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.97
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ID: 408272
Weight: 13.20ct
Size: 15 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 31.19
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ID: 617773
Weight: 2.14ct
Size: 8.6 x 6.9 mm
Clarity: VS
Content: 1 pc
Price: $ 45.52
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ID: 491661
Weight: 49.08ct (total)
Size: 18.4 x 14.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 57.66
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ID: 552438
Weight: 10.55ct
Size: 17 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 27.85
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ID: 724931
Weight: 25.11ct
Size: 23.9 x 13.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 90.40
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ID: 553727
Weight: 2.14ct
Size: 8 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 48.36
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ID: 479933
Weight: 3.36ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 31.04
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ID: 680731
Weight: 0.92ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 27.60
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ID: 521328
Weight: 15.24ct
Size: 15.7 x 15.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 402.34
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ID: 707171
Weight: 5.07ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 12.17
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ID: 463238
Weight: 4.03ct
Size: 14 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 31.92
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ID: 667047
Weight: 7.82ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.32
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ID: 383933
Weight: 15.34ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 4 pcs
Price: $ 60.74
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ID: 725312
Weight: 10.32ct
Size: 13.4 x 11.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.76
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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

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 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

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones. .

Posted By Steven M. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight in March, 2025
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 just bought some mystic quartz. Checkout was smooth and pleasant

Posted By Jay in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mmThanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Everything went well, the payment options are easily declined but, but once sorted out, everything is smooth. I have bought from GemSelect before and am consistently satisfied with them.

Posted By Gabe in August, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 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

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 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

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones. .

Posted By Steven M. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight in March, 2025
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 just bought some mystic quartz. Checkout was smooth and pleasant

Posted By Jay in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mmThanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Everything went well, the payment options are easily declined but, but once sorted out, everything is smooth. I have bought from GemSelect before and am consistently satisfied with them.

Posted By Gabe in August, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 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