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

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ID: 499413
Weight: 1.95ct (total)
Size: 7.1 x 5.3 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 7.73
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ID: 409216
Weight: 11.09ct
Size: 16.7 x 13 mm
Clarity: VS
Content: 1 pc
Price: $ 377.39
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ID: 586138
Weight: 14.28ct
Size: 19.1 x 22.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 94.25
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ID: 685920
Weight: 36.98ct
Size: 31 x 25.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.97
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ID: 523722
Weight: 33.71ct
Size: 32.6 x 22.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 222.49
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ID: 695440
Weight: 12.31ct
Size: 13 x 13 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 369.30
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ID: 602229
Weight: 24.26ct (total)
Size: 25.6 x 16.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 107.55
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ID: 484392
Weight: 5.89ct
Size: 13.7 x 10.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 38.88
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ID: 655374
Weight: 12.63ct
Size: 25.5 x 14.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.18
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ID: 694477
Weight: 20.59ct
Size: 18 x 18 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 144.13
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ID: 623567
Weight: 6.58ct
Size: 14 x 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 32.48
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ID: 546196
Weight: 1.13ct
Size: 6.5 x 5.5 mm
Clarity: VS
Content: 1 pc
Price: $ 80.74
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ID: 645982
Weight: 19.53ct
Size: 23.8 x 17.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 60.94
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ID: 415866
Weight: 0.75ct
Size: 6.1 x 4.7 mm
Clarity: SI
Content: 1 pc
Price: $ 495.00
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ID: 691363
Weight: 2.27ct
Size: 7.5 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 136.20
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ID: 571873
Weight: 1.74ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 137.81
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ID: 565126
Weight: 0.15ct (total)
Size: 2.7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 328.36
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ID: 597452
Weight: 2.33ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 153.78
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ID: 521012
Weight: 112.60ct
Size: 35.6 x 25.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 297.26
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ID: 548411
Weight: 1.62ct
Size: 7.5 x 5.8 mm
Clarity: SI
Content: 1 pc
Price: $ 27.36
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ID: 526527
Weight: 2.98ct
Size: 10 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 150.89
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ID: 588862
Weight: 83.59ct
Size: 55.2 x 35.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 283.87
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ID: 470658
Weight: 13.98ct
Size: 16.5 x 13.7 mm
Clarity: SI
Content: 1 pc
Price: $ 9,226.80
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ID: 568868
Weight: 14.98ct
Size: 17.5 x 14.6 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 810.72
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ID: 482110
Weight: 12.04ct
Size: 19.3 x 9.5 mm
Clarity: VS
Content: 1 pc
Price: $ 274.51
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ID: 355079
Weight: 34.50ct
Size: 34 x 18.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 91.08
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ID: 381632
Weight: 1.89ct
Size: 9.5 x 6.9 mm
Clarity: VS
Content: 1 pc
Price: $ 187.66
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ID: 447709
Weight: 31.05ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 122.96
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ID: 690464
Weight: 5.23ct
Size: 12 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 122.82
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ID: 382310
Weight: 3.11ct (total)
Size: 3.3 mm
Clarity: VS
Content: 20 pcs
Price: $ 164.74
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ID: 333540
Weight: 5.25ct
Size: 12 x 10 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 630.00
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ID: 402811
Weight: 1.26ct
Size: 7.4 x 5.5 mm
Clarity: VS
Content: 1 pc
Price: $ 170.59
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ID: 424330
Weight: 5.48ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 171.24
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ID: 643669
Weight: 6.35ct
Size: 25.3 x 9.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 53.34
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ID: 448580
Weight: 1.21ct
Size: 7.4 x 5.4 mm
Clarity: VS
Content: 1 pc
Price: $ 641.54
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ID: 416858
Weight: 11.49ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 50.56
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ID: 415688
Weight: 1.17ct
Size: 8.5 x 5.3 mm
Clarity: VS
Content: 1 pc
Price: $ 1,034.75
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ID: 284163
Weight: 0.87ct (total)
Size: 4.8 x 3.7 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 130.68
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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: 420965
Weight: 7.29ct
Size: 14.1 x 10.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 24.06
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ID: 595006
Weight: 11.29ct (total)
Size: 15 x 9.1 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 149.03
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ID: 476877
Weight: 20.93ct
Size: 16 x 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 82.88
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ID: 407297
Weight: 9.00ct
Size: 16.4 x 11.1 mm
Clarity: VS
Content: 1 pc
Price: $ 492.66
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ID: 654798
Weight: 7.18ct
Size: 11.9 x 10.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 94.78
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ID: 447456
Weight: 77.78ct (total)
Size: 14 mm (calibrated)
Clarity: Opaque
Content: 4 pcs
Price: $ 154.01
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ID: 513650
Weight: 127.45ct
Size: 28.6 x 26.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 2,102.93
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ID: 471437
Weight: 143.91ct
Size: 43.7 x 25.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 159.88
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ID: 696564
Weight: 48.09ct
Size: 33.7 x 24.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 72.14
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ID: 634013
Weight: 9.31ct
Size: 13.9 x 11.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 23.55
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ID: 478308
Weight: 8.34ct
Size: 18 x 13 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 76.40
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ID: 382653
Weight: 1.61ct
Size: 9.3 x 6.3 mm
Clarity: VS
Content: 1 pc
Price: $ 159.08
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ID: 399657
Weight: 6.64ct
Size: 11 x 11 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 419.84
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ID: 394031
Weight: 42.59ct
Size: 39.2 x 19.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 56.22
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ID: 513160
Weight: avg. 1.00 ct / each
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Price: $ 9.06
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ID: 470619
Weight: 44.66ct
Size: 34.8 x 23.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 43.10
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ID: 631996
Weight: 16.82ct
Size: 19 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 76.50
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ID: 366561
Weight: 1.13ct
Size: 8.2 x 5.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 158.66
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ID: 397518
Weight: 14.67ct
Size: 15 x 15 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 96.83
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ID: 541686
Weight: 10.24ct
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 146.30
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ID: 601429
Weight: 11.59ct
Size: 15 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 56.30
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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

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

Was a good experience.

Posted By Tim in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 2025
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

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.

Posted By Desertchick in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Helpselect accomplished all personal growth goals

Posted By Mike in October, 2024
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

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

Posted By Bleep in August, 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

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

Was a good experience.

Posted By Tim in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 2025
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

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.

Posted By Desertchick in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Helpselect accomplished all personal growth goals

Posted By Mike in October, 2024
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

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

Posted By Bleep in August, 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