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

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ID: 714150
Weight: 0.33ct
Size: 4.3 mm
Clarity: SI
Content: 1 pc
Price: $ 9.90
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ID: 694373
Weight: 22.37ct
Size: 18 x 18 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 187.91
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ID: 551520
Weight: 25.82ct (total)
Size: 21.1 x 14.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 38.84
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ID: 605051
Weight: 57.24ct
Size: 33.1 x 26.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.28
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ID: 533511
Weight: 2.10ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.69
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ID: 713733
Weight: 1.16ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 9.74
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ID: 339066
Weight: 1.50ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 33.66
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ID: 532580
Weight: 5.26ct
Size: 15 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 41.66
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ID: 718042
Weight: 15.10ct
Size: 25.1 x 12.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 54.36
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ID: 455390
Weight: 1.69ct
Size: 9.7 x 4.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.61
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ID: 635458
Weight: 1.15ct
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 21.08
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ID: 415786
Weight: 2.21ct
Size: 7.9 x 7.6 mm
Clarity: VS
Content: 1 pc
Price: $ 113.77
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ID: 472230
Weight: 72.72ct
Size: 43 x 20.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 151.67
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ID: 634769
Weight: 1.58ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 45.50
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ID: 732854
Weight: 0.76ct
Size: 6 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 6.38
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ID: 660348
Weight: 1.19ct
Size: 7.4 x 6.1 mm
Clarity: VS
Content: 1 pc
Price: $ 28.56
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ID: 717929
Weight: 1.10ct (total)
Size: 5.1 x 4.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 33.00
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ID: 556014
Weight: 21.54ct
Size: 24.2 x 10.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.16
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ID: 381184
Weight: 1.86ct (total)
Size: 3.8 x 3.8 mm
Clarity: VS
Content: 5 pcs
Price: $ 39.73
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ID: 426850
Weight: 12.47ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 57.60
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ID: 701960
Weight: 3.98ct
Size: 10.9 x 7.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.88
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ID: 545749
Weight: 1.25ct
Size: 6.6 x 5.8 mm
Clarity: VS
Content: 1 pc
Price: $ 111.66
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ID: 387886
Weight: 2.61ct (total)
Size: 4.5 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 17.23
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ID: 625380
Weight: 3.26ct
Size: 14.2 x 8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 9.86
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ID: 681890
Weight: 5.23ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 31.38
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ID: 725023
Weight: 21.83ct
Size: 23.3 x 15.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 78.59
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ID: 650145
Weight: 4.17ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 2.95
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ID: 686108
Weight: 3.70ct
Size: 12 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 4.44
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ID: 705847
Weight: 0.66ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS
Price: $ 5.54
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ID: 714785
Weight: 0.83ct
Size: 5.3 mm
Clarity: SI
Content: 1 pc
Price: $ 24.90
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ID: 472850
Weight: 2.54ct
Size: 8.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 35.16
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ID: 484344
Weight: 3.92ct (total)
Size: 7.9 x 5.6 mm
Clarity: VS
Content: 4 pcs
Price: $ 51.74
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ID: 715079
Weight: 1.77ct
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.58
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ID: 277590
Weight: 12.68ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 66.95
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ID: 726079
Weight: 1.29ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 51.10
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ID: 474925
Weight: 1.60ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 14.78
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ID: 683043
Weight: 0.15ct
Size: 3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 85.97
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ID: 481371
Weight: 29.52ct
Size: 34.2 x 23.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.04
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ID: 462265
Weight: 4.38ct
Size: 11 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.91
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ID: 671991
Weight: 1.17ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 28.08
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ID: 645985
Weight: 5.50ct
Size: 18.5 x 8.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.16
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ID: 453372
Weight: 1.59ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 14.69
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ID: 480841
Weight: 2.65ct (total)
Size: 3.7 x 3.7 mm
Clarity: Transparent
Content: 30 pcs
Price: $ 22.67
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ID: 691145
Weight: 0.28ct
Size: 3.9 x 3.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 16.80
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ID: 418775
Weight: 6.65ct
Size: 15.5 x 11 mm
Clarity: Translucent
Content: 1 pc
Price: $ 13.18
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ID: 669080
Weight: 17.63ct
Size: 18 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 380.81
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ID: 709963
Weight: 2.36ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 19.82
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ID: 448743
Weight: 17.91ct
Size: 19.3 x 17.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 59.11
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ID: 517975
Weight: 1.82ct
Size: 8.1 x 9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 16.81
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ID: 449505
Weight: 2.44ct
Size: 18.5 x 4.3 mm
Clarity: VS
Content: 1 pc
Price: $ 96.62
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ID: 715469
Weight: 3.98ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.21
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ID: 420491
Weight: 15.21ct
Size: 19.2 x 13.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 40.15
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ID: 682493
Weight: 0.53ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Price: $ 4.45
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ID: 617912
Weight: 2.54ct
Size: 9 x 7.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 54.01
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ID: 696833
Weight: 0.28ct
Size: 3.8 mm
Clarity: VS
Content: 1 pc
Price: $ 6.05
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ID: 690253
Weight: 98.65ct
Size: 42.3 x 21.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 69.60
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ID: 593622
Weight: 2.26ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 13.93
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ID: 648475
Weight: 2.46ct (total)
Size: 7 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 20.66
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ID: 655530
Weight: 1.32ct
Size: 10 x 5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 2.06
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ID: 725462
Weight: 4.73ct
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 5.39
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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

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and convenient

Posted By Butch in September, 2024
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

easy site to navigate

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

Overall Rating -> 7 star ratings

Okay thank you.

Posted By Bepc61 in March, 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 just bought some mystic quartz. Checkout was smooth and pleasant

Posted By Jay in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy and to the point

Posted By Victorius in May, 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

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and convenient

Posted By Butch in September, 2024
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

easy site to navigate

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

Overall Rating -> 7 star ratings

Okay thank you.

Posted By Bepc61 in March, 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 just bought some mystic quartz. Checkout was smooth and pleasant

Posted By Jay in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy and to the point

Posted By Victorius in May, 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