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

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ID: 567739
Weight: 7.14ct
Size: 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 21.59
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ID: 501453
Weight: 35.54ct
Size: 31.5 x 21.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 149.18
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ID: 657874
Weight: 2.68ct (total)
Size: 6.5 x 6.2 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 10.72
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ID: 526850
Weight: 2.47ct
Size: 8.8 x 7.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 149.44
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ID: 412445
Weight: 6.01ct
Size: 12.6 x 8.2 mm
Clarity: VS
Content: 1 pc
Price: $ 1,150.31
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ID: 690743
Weight: 63.42ct
Size: 25.7 x 22.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.02
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ID: 669731
Weight: 32.39ct
Size: 22.3 x 20.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 97.18
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ID: 346056
Weight: 34.48ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 165.50
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ID: 380713
Weight: 26.17ct
Size: 15 x 15 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 930.62
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ID: 206754
Weight: 3.64ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VS-SI
Content: 9 pcs
Price: $ 196.56
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ID: 497338
Weight: 5.68ct
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 31.24
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ID: 595010
Weight: 11.21ct
Size: 17.5 x 12.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 147.97
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ID: 403262
Weight: 43.72ct
Size: 22 x 19 mm
Clarity: Translucent
Content: 1 pc
Price: $ 807.95
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ID: 271561
Weight: 9.06ct
Size: 14 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 53.82
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ID: 645960
Weight: 24.16ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.63
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ID: 527917
Weight: 4.14ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 29.95
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ID: 366376
Weight: 1.07ct
Size: 7.4 x 5.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 150.32
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ID: 470307
Weight: 5.85ct
Size: 11.8 x 9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 35.10
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ID: 407299
Weight: 10.57ct
Size: 15.1 x 10.9 mm
Clarity: VS
Content: 1 pc
Price: $ 348.82
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ID: 602718
Weight: 1.72ct
Size: 7 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 56.76
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ID: 690457
Weight: 3.93ct
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 92.29
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ID: 385930
Weight: 7.75ct
Size: 14.9 x 12.5 mm
Clarity: VS
Content: 1 pc
Price: $ 493.09
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ID: 472172
Weight: 8.10ct
Size: 12.5 x 10 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.08
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ID: 694763
Weight: 9.56ct
Size: 14 x 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 286.80
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ID: 400597
Weight: 1.08ct
Size: 8.2 x 5.5 mm
Clarity: VS
Content: 1 pc
Price: $ 121.57
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ID: 431804
Weight: 2.15ct
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 51.08
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ID: 602189
Weight: 9.93ct
Size: 15 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 48.23
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ID: 377422
Weight: 3000.00ct
Size: 139.4 x 82.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 1,470.00
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ID: 558338
Weight: 4.74ct
Size: 12 x 8 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 298.97
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ID: 676221
Weight: 19.18ct
Size: 20.9 x 12.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 207.14
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ID: 472809
Weight: 59.54ct
Size: 49.1 x 30 mm
Clarity: Opaque
Content: 1 pc
Price: $ 78.59
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ID: 700189
Weight: 0.55ct
Size: 6.1 x 4.2 mm
Clarity: SI
Content: 1 pc
Price: $ 33.00
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ID: 450086
Weight: 35.05ct (total)
Size: 18.6 x 14.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 92.53
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ID: 696122
Weight: 56.27ct
Size: 39.7 x 29.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.48
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ID: 679064
Weight: 21.38ct
Size: 20.5 x 15.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 64.57
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ID: 662094
Weight: 31.92ct
Size: 19 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 64.16
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ID: 539689
Weight: 1.68ct
Size: 6.7 x 6.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 32.81
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ID: 521765
Weight: 25.75ct
Size: 21 x 18.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 169.96
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ID: 693851
Weight: 1.48ct
Size: 6.3 x 5.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 88.80
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ID: 655917
Weight: 14.47ct
Size: 35.4 x 17 mm
Clarity: Opaque
Content: 1 pc
Price: $ 73.97
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ID: 645831
Weight: 9.73ct
Size: 29.8 x 9.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 30.36
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ID: 655065
Weight: 12.47ct
Size: 22.2 x 12.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.76
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ID: 672541
Weight: 0.79ct
Size: 6.5 x 6.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 2.84
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ID: 599325
Weight: 12.91ct
Size: 16 x 16 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 35.51
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ID: 686793
Weight: 1.18ct (total)
Size: 6.1 x 4.2 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 21.24
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ID: 545834
Weight: 34.60ct
Size: 32.1 x 17.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 36.54
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ID: 552030
Weight: 11.65ct
Size: 21.6 x 15.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 25.63
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ID: 346661
Weight: 5.55ct
Size: 16.5 x 7.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 3,729.60
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ID: 694119
Weight: 15.90ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 47.70
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ID: 489098
Weight: 29.05ct
Size: 23.8 x 17.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.38
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ID: 450370
Weight: 15.37ct
Size: 23.7 x 9.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 3,074.00
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ID: 692952
Weight: 73.44ct
Size: 25.4 x 25 mm
Clarity: Opaque
Content: 1 pc
Price: $ 44.06
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ID: 453087
Weight: 1.57ct
Size: 10.3 x 7.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 103.62
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ID: 544803
Weight: 3.26ct
Size: 9.8 x 6.7 mm
Clarity: SI
Content: 1 pc
Price: $ 247.43
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ID: 691480
Weight: 9.68ct
Size: 15.2 x 10.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 320.95
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ID: 564801
Weight: 0.86ct
Size: 5.5 x 4.6 mm
Clarity: SI
Content: 1 pc
Price: $ 355.79
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ID: 683067
Weight: 30.49ct
Size: 30.4 x 14.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 292.70
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ID: 668712
Weight: 23.18ct
Size: 16 x 16 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 500.69
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ID: 521447
Weight: 35.09ct
Size: 28.7 x 21.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 277.91
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ID: 623791
Weight: 1.08ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 65.34
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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 shopping experience. Website is relatively easy to use. Prices are good.

Posted By Bleep in August, 2024
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

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

It was my second time so I understand what it is to do

Posted By Ibie in February, 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

Always excellent quality and service from GemSelect

Posted By Mike B. in September, 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

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

love these guys been ordering since 2000 maybe

Posted By JHT 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

Good shopping experience. Website is relatively easy to use. Prices are good.

Posted By Bleep in August, 2024
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

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

It was my second time so I understand what it is to do

Posted By Ibie in February, 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

Always excellent quality and service from GemSelect

Posted By Mike B. in September, 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

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

love these guys been ordering since 2000 maybe

Posted By JHT 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