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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: 338182
Weight: 6.74ct
Size: 10.4 x 10.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.25
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ID: 472122
Weight: 8.28ct
Size: 14.6 x 11.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 76.51
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ID: 725278
Weight: 0.88ct
Size: 10.2 x 3.2 mm
Clarity: VS
Content: 1 pc
Price: $ 36.96
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ID: 717156
Weight: 11.86ct
Size: 21.5 x 14.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.63
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ID: 650887
Weight: 16.35ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.18
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ID: 422787
Weight: 0.71ct
Size: 5.9 x 4.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 27.23
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ID: 706375
Weight: 10.61ct
Size: 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 21.65
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ID: 540041
Weight: 1.13ct
Size: 5.2 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 22.84
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ID: 721411
Weight: 52.44ct
Size: 37.1 x 27.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 62.93
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ID: 531861
Weight: 3.77ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 19.91
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ID: 470963
Weight: 2.69ct
Size: 9 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 24.85
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ID: 728022
Weight: 1.32ct
Size: 7 x 6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 7.92
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ID: 401773
Weight: 2.73ct (total)
Size: 5 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 111.71
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ID: 440420
Weight: 0.86ct
Size: 6 x 4.8 mm
Clarity: VS
Content: 1 pc
Price: $ 31.79
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ID: 456499
Weight: 2.23ct
Size: 9 x 8.6 mm
Clarity: VS
Content: 1 pc
Price: $ 20.60
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ID: 688297
Weight: 0.71ct
Size: 5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 2.08
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ID: 743996
Weight: 36.92ct
Size: 19 x 19 mm (calibrated)
Clarity: IF
Content: 1 pc
Price: $ 738.40
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ID: 720980
Weight: 35.50ct
Size: 31.8 x 20.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.60
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ID: 706780
Weight: 2.11ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.06
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ID: 392284
Weight: 11.52ct
Size: 14 x 14 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 76.03
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ID: 367020
Weight: 8.00ct
Size: 15.3 x 9.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 54.38
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ID: 499913
Weight: 30.40ct
Size: 28 x 17.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 28.09
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ID: 371434
Weight: 21.47ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 113.36
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ID: 730455
Weight: 52.88ct
Size: 33.4 x 27.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 50.76
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ID: 614321
Weight: 4.21ct
Size: 11.3 x 9.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 146.04
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ID: 370432
Weight: 12.87ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 25.48
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ID: 436342
Weight: 3.04ct (total)
Size: 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 120.38
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ID: 485118
Weight: 46.56ct
Size: 24.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 56.85
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ID: 394174
Weight: 2.36ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 43.45
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ID: 343083
Weight: 1.46ct
Size: 11.3 x 7.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 86.72
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ID: 372688
Weight: 4.84ct (total)
Size: 9.1 x 4.5 mm
Clarity: VS
Content: 5 pcs
Price: $ 38.33
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ID: 434692
Weight: 2.15ct
Size: 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 79.46
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ID: 325979
Weight: 2.64ct
Size: 9 x 8 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 9.41
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ID: 595048
Weight: 11.91ct
Size: 15 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 47.16
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ID: 401358
Weight: 18.19ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 32.75
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ID: 650705
Weight: 15.18ct
Size: 23.6 x 16.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.11
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ID: 361964
Weight: 18.44ct
Size: 18.1 x 14.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 48.68
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ID: 304573
Weight: 7.26ct
Size: 12 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 46.01
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ID: 733198
Weight: 2.97ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 26.83
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ID: 682714
Weight: 0.29ct (total)
Size: 3 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 138.51
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ID: 745170
Weight: 3.17ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 40.07
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ID: 395814
Weight: 7.77ct
Size: 10.7 x 10.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 380.71
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ID: 700120
Weight: 0.72ct
Size: 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 43.20
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ID: 479972
Weight: 4.18ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 38.63
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ID: 657624
Weight: 9.41ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.29
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ID: 681976
Weight: 7.20ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 43.20
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ID: 346700
Weight: 102.80ct
Size: 50.2 x 37.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 61.68
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ID: 367163
Weight: 7.35ct
Size: 15.7 x 8.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 49.97
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ID: 622363
Weight: 2.14ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Price: $ 19.78
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ID: 479546
Weight: 2.12ct (total)
Size: 10.2 x 5.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 22.39
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ID: 606959
Weight: 5.69ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 34.14
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ID: 599816
Weight: 1.82ct
Size: 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 23.78
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ID: 434970
Weight: 23.69ct (total)
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 31.27
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ID: 636596
Weight: 3.71ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 17.81
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ID: 376600
Weight: 2.91ct
Size: 9.5 x 8 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 22.62
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ID: 385928
Weight: 7.92ct
Size: 15.2 x 11.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 503.89
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ID: 392212
Weight: 5.49ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 21.74
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ID: 647933
Weight: 1.07ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 28.25
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ID: 418582
Weight: 6.27ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 12.41
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ID: 499942
Weight: 15.81ct
Size: 18.3 x 14.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 104.35
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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 selection of gems at a reasonable price

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

Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly

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

I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.

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Overall Rating -> 10 star ratings

IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.

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It was great!

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excellent deals-excellent service-fair prices

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Fast and reliable service.

Posted By Zæck in December, 2025
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Overall Rating -> 10 star ratings

Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.

Posted By JD in July, 2025
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