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

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ID: 521204
Weight: 45.06ct
Size: 30 x 19.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 227.21
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ID: 536904
Weight: avg. 0.81 ct / each
Size: 7 mm (calibrated)
Clarity: Transparent
Price: $ 19.73
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ID: 492113
Weight: 6.39ct
Size: 17.8 x 9.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.47
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ID: 411628
Weight: 3.27ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 151.08
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ID: 390451
Weight: 1.19ct
Size: 9 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 49.63
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ID: 499209
Weight: 2.11ct
Size: 11.9 x 5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 348.15
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ID: 618765
Weight: 28.92ct
Size: 29.8 x 14.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 159.06
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ID: 651040
Weight: 10.16ct
Size: 22.3 x 15.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 43.03
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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: 482245
Weight: 2.10ct
Size: 8.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 15.14
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ID: 483953
Weight: 48.14ct
Size: 24.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 64.13
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ID: 611705
Weight: 18.50ct
Size: 18 x 18 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 61.38
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ID: 630778
Weight: 15.01ct
Size: 19.7 x 11.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 79.43
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ID: 345087
Weight: 54.13ct
Size: 25.8 x 22 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 92.89
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ID: 470039
Weight: 22.74ct
Size: 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 14.18
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ID: 517047
Weight: 1.25ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 30.25
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ID: 638821
Weight: 3.88ct
Size: 13.6 x 7.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 19.22
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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: 669622
Weight: 25.54ct
Size: 23.4 x 15.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 63.85
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ID: 564636
Weight: 0.33ct
Size: 4.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 549.88
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ID: 506050
Weight: 46.77ct
Size: 27 x 20 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 257.24
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ID: 475557
Weight: 20.07ct
Size: 29.2 x 18.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.74
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ID: 667934
Weight: 37.98ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 113.94
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ID: 664613
Weight: 4.46ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 80.28
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ID: 601888
Weight: 22.62ct (total)
Size: 21 x 15.6 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 109.39
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ID: 366591
Weight: 1.22ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 171.30
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ID: 514179
Weight: 24.86ct (total)
Size: 18.7 x 12.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 64.97
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ID: 584666
Weight: 6.82ct
Size: 12.7 x 11.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 64.45
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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: 690462
Weight: 10.12ct
Size: 20.5 x 16.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 237.66
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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: 493507
Weight: 3.65ct
Size: 11.4 x 8.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.25
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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: 483947
Weight: 24.56ct
Size: 20 mm (calibrated)
Clarity: Opaque
Price: $ 29.99
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ID: 547772
Weight: 2.50ct
Size: 7 x 7 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 50.66
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ID: 631645
Weight: 6.49ct
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 77.88
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ID: 492449
Weight: 50.61ct
Size: 30.1 x 26 mm
Clarity: Opaque
Content: 1 pc
Price: $ 601.28
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ID: 691524
Weight: 3.51ct
Size: 7.6 x 7.6 mm
Clarity: VS
Content: 1 pc
Price: $ 96.98
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ID: 366492
Weight: 1.31ct
Size: 9 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 183.92
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ID: 617550
Weight: 41.79ct
Size: 41.8 x 25 mm
Clarity: Translucent
Content: 1 pc
Price: $ 39.72
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ID: 392905
Weight: 3.85ct (total)
Size: 6.7 x 6.6 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 84.70
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ID: 447424
Weight: 66.88ct
Size: 31.7 x 25.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 64.20
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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: 491713
Weight: 83.94ct (total)
Size: 23 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 98.62
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ID: 477047
Weight: 33.92ct
Size: 23 x 15.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 122.11
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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: 548151
Weight: 0.89ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 244.75
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ID: 359777
Weight: 28.17ct
Size: 22.2 x 16.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 67.61
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ID: 569414
Weight: 2.36ct
Size: 10.9 x 6.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 13,413.78
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ID: 415390
Weight: 1.07ct
Size: 8.1 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 847.44
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ID: 407845
Weight: 6.37ct
Size: 13.3 x 9.8 mm
Clarity: VS
Content: 1 pc
Price: $ 349.37
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ID: 685622
Weight: 0.08ct (total)
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 23.34
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ID: 352926
Weight: 1.06ct
Size: 8.9 x 5.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 125.93
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ID: 564689
Weight: 30.59ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 69.85
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ID: 559441
Weight: 7.26ct
Size: 11.6 x 7.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.03
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ID: 612073
Weight: 12.95ct
Size: 16 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 51.29
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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: 392229
Weight: 8.26ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 45.43
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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: 499413
Weight: 1.95ct (total)
Size: 7.1 x 5.3 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 7.73
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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 like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.

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Overall Rating -> 10 star ratings

Filters need to be improved but rest of website is great

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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 -> 8 star ratings

First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.

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All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.

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

Great for buying gemstones, came with authenticity certs. Will buy again someday!

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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
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Overall Rating -> 10 star ratings

this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.

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

My whole experience is great.

Posted By Ghs in November, 2025
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Enlarged Gemstone Image