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

Untreated Gemstones Weight
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ID: 540035
Weight: 0.94ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.92
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ID: 478675
Weight: 0.85ct
Size: 9.7 x 4.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 35.94
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ID: 632408
Weight: 2.67ct
Size: 18.1 x 7.1 mm
Clarity: VS
Content: 1 pc
Price: $ 19.22
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ID: 742090
Weight: 3.13ct
Size: 12 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.30
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ID: 682108
Weight: 12.68ct
Size: 14 x 14 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 76.08
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ID: 481638
Weight: 22.55ct
Size: 19 x 17 mm
Clarity: Translucent
Content: 1 pc
Price: $ 32.45
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ID: 712335
Weight: 3.83ct
Size: 12 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 10.20
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ID: 548534
Weight: 1.19ct (total)
Size: 6.9 x 5.2 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 357.00
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ID: 491816
Weight: 4.02ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: Opaque
Content: 5 pcs
Price: $ 11.77
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ID: 612068
Weight: 2.39ct (total)
Size: 7 x 6 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 56.40
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ID: 720349
Weight: 1.20ct
Size: 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 115.50
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ID: 486984
Weight: 36.39ct
Size: 32.6 x 22.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 24.02
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ID: 306191
Weight: 6.65ct
Size: 16.4 x 9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 30.73
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ID: 389619
Weight: 2.36ct (total)
Size: 7.2 x 6.4 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 15.58
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ID: 345950
Weight: 17.49ct
Size: 16.8 x 15 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 30.01
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ID: 722662
Weight: 16.83ct
Size: 20.5 x 14 mm
Clarity: Translucent
Content: 1 pc
Price: $ 141.37
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ID: 725457
Weight: 10.85ct
Size: 14.6 x 12.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
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ID: 367828
Weight: 5.40ct
Size: 12.3 x 8.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.42
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ID: 533859
Weight: 3.63ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 33.54
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ID: 491754
Weight: 80.40ct (total)
Size: 24.8 x 19.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 94.46
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ID: 710444
Weight: 1.61ct
Size: 7.2 x 5.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 28.85
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ID: 553602
Weight: 6.90ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 36.43
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ID: 501523
Weight: 16.91ct
Size: 21.3 x 16.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 70.98
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ID: 449424
Weight: 1.96ct
Size: 16.2 x 4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 77.62
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ID: 522794
Weight: 17.30ct
Size: 32 x 8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.56
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ID: 650710
Weight: 15.06ct
Size: 23.9 x 16.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.04
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ID: 473057
Weight: 7.37ct
Size: 13.3 x 11.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 66.05
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ID: 710780
Weight: 24.30ct
Size: 22.6 x 17.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 43.74
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ID: 651836
Weight: 5.47ct
Size: 17.3 x 8.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.00
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ID: 725451
Weight: 9.99ct
Size: 12 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.39
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ID: 713431
Weight: 16.89ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 141.88
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ID: 646545
Weight: 0.55ct (total)
Size: 3.5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 16.50
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ID: 433887
Weight: 45.87ct
Size: 35 x 25.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 60.55
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ID: 586312
Weight: 23.52ct (total)
Size: 24.2 x 12.5 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 65.51
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ID: 389844
Weight: 2.46ct (total)
Size: 2.5 mm (calibrated)
Clarity: VS-SI
Content: 40 pcs
Price: $ 230.20
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ID: 663119
Weight: 1.09ct
Size: 6.2 x 5.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 6.54
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ID: 377504
Weight: 3.77ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 96.60
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ID: 326291
Weight: 3.38ct
Size: 9.6 x 8.3 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 12.05
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ID: 648466
Weight: 2.37ct (total)
Size: 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 19.91
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ID: 438682
Weight: 1.63ct
Size: 6.5 mm (calibrated)
Clarity: VS
Price: $ 43.03
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ID: 650498
Weight: 9.58ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 6.78
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ID: 397492
Weight: 1.04ct
Size: 7.4 x 5 mm
Clarity: VVS
Content: 1 pc
Price: $ 65.47
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ID: 265571
Weight: 0.96ct (total)
Size: 3.5 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 172.01
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ID: 679957
Weight: 16.36ct
Size: 18.3 x 15.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 157.06
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ID: 696205
Weight: 44.79ct
Size: 39.7 x 16 mm
Clarity: Opaque
Content: 1 pc
Price: $ 30.64
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ID: 403852
Weight: 8.48ct
Size: 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 44.77
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ID: 473785
Weight: 0.98ct
Size: 10.1 x 5.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 71.15
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ID: 449001
Weight: 6.17ct
Size: 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 20.35
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ID: 491501
Weight: 48.20ct
Size: 35 x 24.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 85.26
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ID: 436075
Weight: 5.01ct
Size: 16 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 16.26
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ID: 512782
Weight: 2.55ct
Size: 9 x 7.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 55.16
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ID: 691922
Weight: 0.75ct
Size: 5.4 x 5.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 52.50
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ID: 650897
Weight: 1.61ct
Size: 8 x 7.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 13.52
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ID: 455515
Weight: 25.76ct (total)
Size: 19.3 x 13 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 34.01
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ID: 708840
Weight: 1.39ct
Size: 7.2 x 5.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 28.70
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ID: 648958
Weight: 1.26ct (total)
Size: 8 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 12.10
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ID: 348252
Weight: 34.07ct
Size: 31.8 x 27.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 44.98
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ID: 695906
Weight: 6.53ct
Size: 10.7 x 9.8 mm
Clarity: VS
Content: 1 pc
Price: $ 195.90
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ID: 565358
Weight: 2.13ct
Size: 7.7 x 5.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 48.47
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ID: 622789
Weight: 5.15ct
Size: 11 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 25.43
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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

Great site for finding specific stones and sizes for individual pieces of jewelry

Posted By Designer in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I can pick and choose from large selection and find just what I need for .y projects, currently my cane.

Posted By Darkstar731 in July, 2025
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Overall Rating -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
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Overall Rating -> 10 star ratings

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
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Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
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Overall Rating -> 9 star ratings

If you have motion picture, then I will be more satisfied with.

Posted By Ray in November, 2025
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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
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Overall Rating -> 10 star ratings

Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.

Posted By Jac in July, 2025
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Overall Rating -> 10 star ratings

So far So good

Posted By VH-1 in July, 2025
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