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

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ID: 730862
Weight: 15.61ct (total)
Size: 20.4 x 11.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.68
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ID: 553496
Weight: 1.93ct
Size: 8 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 43.61
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ID: 639995
Weight: 4.43ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 21.96
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ID: 714457
Weight: 0.77ct
Size: 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 23.10
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ID: 297887
Weight: 2.87ct (total)
Size: 3 x 3 mm (calibrated)
Clarity: Transparent/Translucent
Content: 20 pcs
Price: $ 98.50
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ID: 504935
Weight: 1.65ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 72.60
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ID: 673276
Weight: 22.21ct
Size: 24.6 x 19.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 26.65
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ID: 570186
Weight: 2.24ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 53.22
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ID: 644436
Weight: 2.02ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 48.48
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ID: 720992
Weight: 0.40ct
Size: 8 x 4 mm (calibrated)
Clarity: VVS-VS
Price: $ 3.36
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ID: 731016
Weight: 19.31ct (total)
Size: 21.9 x 14.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 13.21
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ID: 659438
Weight: 9.90ct
Size: 17.9 x 14.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.80
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ID: 676449
Weight: 12.63ct
Size: 21.1 x 12.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 136.40
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ID: 684054
Weight: 3.52ct (total)
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 5.06
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ID: 735248
Weight: 2.40ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 115.20
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ID: 479542
Weight: 2.21ct (total)
Size: 9.7 x 5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 23.34
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ID: 499264
Weight: 1.88ct
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 33.76
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ID: 708634
Weight: 2.08ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 42.96
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ID: 526434
Weight: 6.69ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 62.96
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ID: 691068
Weight: 0.36ct
Size: 4 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 21.60
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ID: 732994
Weight: 0.27ct
Size: 4 x 4 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 11.34
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ID: 555443
Weight: 0.77ct
Size: 6.5 x 4.2 mm
Clarity: VS
Content: 1 pc
Price: $ 35.02
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ID: 711136
Weight: 18.85ct
Size: 21.3 x 16.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 158.34
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ID: 722805
Weight: 0.57ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 17.10
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ID: 389246
Weight: 0.89ct
Size: 7.6 x 5.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 58.74
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ID: 435118
Weight: 27.60ct (total)
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 36.43
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ID: 501998
Weight: 1.74ct
Size: 10 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.78
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ID: 659458
Weight: 5.15ct
Size: 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.36
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ID: 479517
Weight: 17.42ct (total)
Size: 2.2 x 12.9 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 31.73
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ID: 543753
Weight: 2.11ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 42.46
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ID: 431097
Weight: 3.18ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 33.54
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ID: 511628
Weight: 1.48ct
Size: 7.5 x 6 mm
Clarity: VS
Content: 1 pc
Price: $ 27.67
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ID: 658239
Weight: 16.50ct
Size: 16.8 x 16.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 24.16
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ID: 736609
Weight: 1.75ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.25
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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: 727202
Weight: 0.92ct
Size: 5.9 x 5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 16.56
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ID: 489234
Weight: 5.12ct
Size: 14.1 x 9.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 52.64
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ID: 717961
Weight: 1.06ct
Size: 6 x 4.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.80
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ID: 698530
Weight: 3.21ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 26.96
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ID: 711096
Weight: 16.66ct
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 44.39
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ID: 727021
Weight: 0.72ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 12.96
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ID: 605426
Weight: 0.59ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 14.02
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ID: 454811
Weight: 25.79ct (total)
Size: 23.6 x 11.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 34.04
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ID: 706764
Weight: 4.57ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 10.97
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ID: 695861
Weight: 13.23ct
Size: 14.3 x 11.2 mm
Clarity: VS
Content: 1 pc
Price: $ 396.90
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ID: 598607
Weight: 3.32ct (total)
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 4.87
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ID: 394181
Weight: 3.37ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 62.05
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ID: 451048
Weight: 1.67ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 15.43
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ID: 720910
Weight: 1.24ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 10.42
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ID: 439507
Weight: 6.04ct
Size: 11.5 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 119.59
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ID: 498315
Weight: 4.05ct (total)
Size: 10 x 4.9 mm
Clarity: VVS-VS
Content: 4 pcs
Price: $ 42.77
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ID: 730861
Weight: 29.71ct (total)
Size: 26.8 x 16.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 20.32
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ID: 717165
Weight: 13.25ct
Size: 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 25.28
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ID: 708468
Weight: 0.92ct
Size: 6.6 x 6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 19.00
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ID: 446555
Weight: 2.34ct (total)
Size: 9 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 15.44
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ID: 479655
Weight: 1.49ct (total)
Size: 9.8 x 4.9 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 15.73
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ID: 643586
Weight: 3.36ct (total)
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 8.87
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ID: 453067
Weight: 5.07ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 46.85
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ID: 328313
Weight: 14.00ct (total)
Size: 12 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 92.40
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ID: 691818
Weight: 0.68ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 57.12
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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

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 -> 10 star ratings

Great site always looking for great deals and find them on this site

Posted By IRO5812 in July, 2024
Source: Bizrate

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

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

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good. I ts very user friendly.

Posted By Shalini in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Im not a jeweler, I buy for my personal use. My dad was a jewelry maker and I love gemstones.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 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

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

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 -> 10 star ratings

Great site always looking for great deals and find them on this site

Posted By IRO5812 in July, 2024
Source: Bizrate

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

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

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good. I ts very user friendly.

Posted By Shalini in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Im not a jeweler, I buy for my personal use. My dad was a jewelry maker and I love gemstones.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 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

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