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

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ID: 435373
Weight: 3.85ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 30.49
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ID: 735054
Weight: 0.17ct
Size: 4.1 x 3.2 mm
Clarity: VS
Content: 1 pc
Price: $ 142.80
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ID: 697208
Weight: 52.18ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 35.69
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ID: 687570
Weight: 8.52ct
Size: 14.2 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.22
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ID: 418208
Weight: 6.02ct
Size: 13.7 x 10.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 11.92
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ID: 619780
Weight: 2.18ct
Size: 10 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 71.94
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ID: 515864
Weight: 41.28ct
Size: 23.4 x 17.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 48.49
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ID: 543966
Weight: 2.25ct
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 45.26
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ID: 517251
Weight: 32.04ct
Size: 26.6 x 21.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.99
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ID: 325971
Weight: 2.92ct
Size: 9.4 x 8 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 10.40
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ID: 575214
Weight: 1.40ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 147.84
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ID: 382696
Weight: 11.38ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 45.06
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ID: 341411
Weight: 8.26ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 10 pcs
Price: $ 82.93
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ID: 480768
Weight: 2.97ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 27.44
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ID: 475002
Weight: 1.94ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.93
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ID: 478842
Weight: 0.69ct
Size: 8.3 x 4.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 45.54
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ID: 483928
Weight: 2.16ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 28.51
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ID: 440419
Weight: 0.85ct
Size: 6.4 x 5.1 mm
Clarity: VS
Content: 1 pc
Price: $ 31.42
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ID: 529528
Weight: 1.27ct
Size: 7.4 x 5.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 100.58
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ID: 448508
Weight: 1.33ct
Size: 7.2 x 5.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 769.27
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ID: 683022
Weight: 0.52ct
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 9.36
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ID: 619978
Weight: 1.67ct
Size: 9 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 22.04
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ID: 680788
Weight: 0.95ct
Size: 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 28.50
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ID: 687194
Weight: 0.99ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 21.38
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ID: 645366
Weight: 22.36ct
Size: 20.2 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 110.54
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ID: 701052
Weight: 8.79ct
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.44
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ID: 461240
Weight: 6.91ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 63.85
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ID: 410350
Weight: 2.44ct (total)
Size: 7.7 x 5.2 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 11.65
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ID: 711540
Weight: 7.70ct
Size: 20 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 20.51
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ID: 376283
Weight: 3.18ct (total)
Size: 6.7 x 6.5 mm
Clarity: VS
Content: 4 pcs
Price: $ 29.39
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ID: 715378
Weight: 1.56ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.98
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ID: 478059
Weight: 4.81ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 44.06
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ID: 709996
Weight: 0.47ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Price: $ 3.95
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ID: 434542
Weight: 3.16ct (total)
Size: 6.5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 83.42
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ID: 559193
Weight: 1.84ct
Size: 8.7 x 6.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 37.76
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ID: 515021
Weight: 3.68ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 34.01
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ID: 624269
Weight: 1.13ct
Size: 6.6 x 5.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 7.46
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ID: 395029
Weight: 3.28ct
Size: 9 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 21.65
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ID: 462686
Weight: 1.87ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 98.74
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ID: 691084
Weight: 1.48ct
Size: 8 x 6 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 88.80
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ID: 396054
Weight: 11.26ct
Size: 12 x 12 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 551.72
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ID: 712407
Weight: 0.95ct
Size: 10 x 5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 2.53
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ID: 613041
Weight: 0.39ct
Size: 5 x 3.5 mm
Clarity: VS
Content: 1 pc
Price: $ 15.96
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ID: 712891
Weight: 4.43ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 63.79
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ID: 529469
Weight: 1.69ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 15.61
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ID: 595044
Weight: 16.81ct
Size: 17.8 x 18.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 66.56
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ID: 496776
Weight: 2.42ct
Size: 8.9 x 7.4 mm
Clarity: VS
Content: 1 pc
Price: $ 63.89
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ID: 593769
Weight: 12.07ct (total)
Size: 14 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 15.94
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ID: 720973
Weight: 0.60ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 10.80
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ID: 450966
Weight: 1.47ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 13.58
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ID: 725217
Weight: 0.70ct
Size: 8.4 x 3.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 29.40
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ID: 350700
Weight: 3.31ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: Transparent
Content: 10 pcs
Price: $ 74.45
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ID: 482261
Weight: 1.98ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 14.27
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ID: 714384
Weight: 0.68ct (total)
Size: 4.2 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 20.40
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ID: 707195
Weight: 2.50ct
Size: 10 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.00
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ID: 398800
Weight: 3.56ct (total)
Size: 8 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 32.89
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ID: 450568
Weight: 4.20ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 38.81
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ID: 619103
Weight: 2.70ct
Size: 13 x 8 mm
Clarity: VVS
Content: 1 pc
Price: $ 12.41
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ID: 678160
Weight: 1.06ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 8.90
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ID: 350300
Weight: 1.71ct
Size: 14.2 x 3.9 mm
Clarity: SI
Content: 1 pc
Price: $ 49.66
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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

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

Muy serios y muy oportunos para el envo

Posted By Veronica in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I was looking for

Posted By Lincolnpremier 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

I have been buying gems for several years off and on and love their selection and great low prices. I started out wanting to get an example of each type of gem but after looking at all the types of gems and reading about them I realize it is almost impossible for me to do. It took me years just to read about them all. Gem Select is the best gem site you can find. For information or to buy. Steve M.

Posted By Stevee M. in January, 2025
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

It was very good and concise.

Posted By Whydothey in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Always excellent quality and service from GemSelect

Posted By Mike B. in September, 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 -> 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

Muy serios y muy oportunos para el envo

Posted By Veronica in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I was looking for

Posted By Lincolnpremier 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

I have been buying gems for several years off and on and love their selection and great low prices. I started out wanting to get an example of each type of gem but after looking at all the types of gems and reading about them I realize it is almost impossible for me to do. It took me years just to read about them all. Gem Select is the best gem site you can find. For information or to buy. Steve M.

Posted By Stevee M. in January, 2025
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

It was very good and concise.

Posted By Whydothey in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Always excellent quality and service from GemSelect

Posted By Mike B. in September, 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