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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: 745558
Weight: 4.06ct
Size: 10.5 x 8.9 mm
Clarity: VS
Content: 1 pc
Price: $ 203.00
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ID: 509121
Weight: 30.50ct
Size: 21.1 x 16.2 mm
Clarity: IF
Content: 1 pc
Price: $ 281.82
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ID: 543901
Weight: 0.18ct
Size: 3.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 391.22
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ID: 426752
Weight: 7.57ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 34.98
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ID: 727844
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
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ID: 618136
Weight: 4.36ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 143.88
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ID: 698753
Weight: 1.82ct
Size: 7.4 x 6.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 10.92
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ID: 667107
Weight: 1.84ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 37.74
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ID: 718031
Weight: 0.72ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 21.60
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ID: 700495
Weight: 48.07ct
Size: 37.2 x 23.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.96
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ID: 688804
Weight: 0.84ct
Size: 9.1 x 5 mm
Clarity: VS
Content: 1 pc
Price: $ 8.06
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ID: 416175
Weight: 1.14ct
Size: 14.6 x 3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.12
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ID: 450041
Weight: 2.46ct (total)
Size: 6.9 x 5.3 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 32.47
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ID: 739340
Weight: 0.95ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 47.50
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ID: 691360
Weight: 1.95ct
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 117.00
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ID: 406965
Weight: 13.22ct
Size: 14 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 49.21
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ID: 637110
Weight: 0.81ct
Size: 7.8 x 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 42.77
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ID: 406817
Weight: 13.63ct
Size: 15.6 x 12.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 53.98
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ID: 689333
Weight: 1.40ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 13.44
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ID: 590943
Weight: 5.83ct
Size: 15.8 x 8.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 54.88
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ID: 420024
Weight: 1.86ct (total)
Size: 6.3 x 4.7 mm
Clarity: VS
Content: 3 pcs
Price: $ 84.82
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ID: 456114
Weight: 2.25ct
Size: 9.8 x 7.3 mm
Clarity: VS
Content: 1 pc
Price: $ 18.90
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ID: 639746
Weight: 3.90ct
Size: 9.2 x 7.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 19.33
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ID: 662645
Weight: 2.00ct
Size: 8.4 x 6.3 mm
Clarity: VS
Content: 1 pc
Price: $ 48.00
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ID: 505907
Weight: 1.55ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 42.97
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ID: 711709
Weight: 0.82ct
Size: 6.3 x 4.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 16.37
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ID: 418230
Weight: 7.37ct
Size: 15.1 x 10.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 14.60
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ID: 528126
Weight: 2.51ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 26.51
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ID: 714403
Weight: 0.52ct
Size: 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 15.60
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ID: 460076
Weight: 4.49ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.48
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ID: 475124
Weight: 2.02ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 66.66
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ID: 740725
Weight: 3.43ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 431.43
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ID: 465247
Weight: 4.79ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 41.93
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ID: 517336
Weight: 26.42ct
Size: 17 x 17 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 31.03
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ID: 447382
Weight: 14.85ct
Size: 30.8 x 15.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 205.84
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ID: 609112
Weight: 4.20ct (total)
Size: 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 77.62
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ID: 715014
Weight: 12.21ct (total)
Size: 12 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 31.64
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ID: 674274
Weight: 12.82ct
Size: 17.7 x 14.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 230.76
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ID: 651830
Weight: 9.32ct
Size: 14 x 14 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.97
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ID: 722724
Weight: 15.38ct
Size: 21.8 x 14.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 129.19
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ID: 546988
Weight: 26.64ct
Size: 18.2 x 13.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.10
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ID: 587778
Weight: 6.50ct
Size: 15.1 x 11.1 mm
Clarity: VS
Price: $ 25.74
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ID: 543579
Weight: 2.00ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 20.88
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ID: 365471
Weight: 1.36ct
Size: 7.1 x 5.9 mm
Clarity: VS
Price: $ 49.86
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ID: 697750
Weight: 7.53ct
Size: 18.1 x 9.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 54.22
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ID: 544824
Weight: 0.85ct
Size: 6.9 x 4.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.04
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ID: 728157
Weight: 2.45ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 5.88
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ID: 493851
Weight: 1.49ct
Size: 12 x 5.8 mm
Clarity: VS
Content: 1 pc
Price: $ 11.80
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ID: 688688
Weight: 1.34ct
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.38
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ID: 406934
Weight: 8.66ct
Size: 16.1 x 12.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.23
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ID: 720359
Weight: 1.37ct
Size: 7.3 x 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 131.87
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ID: 726075
Weight: 0.82ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 32.48
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ID: 544459
Weight: 0.83ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 37.14
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ID: 647296
Weight: 29.83ct
Size: 44 x 19.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.80
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ID: 603191
Weight: 2.09ct
Size: 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 60.70
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ID: 672158
Weight: 0.75ct
Size: 8 x 5.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 18.00
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ID: 387471
Weight: 3.00ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 19.80
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ID: 645295
Weight: 4.98ct (total)
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 11.95
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ID: 682524
Weight: 6.87ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 41.22
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ID: 567468
Weight: 0.20ct (total)
Size: 2.8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 391.61
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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

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
Source: Bizrate

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
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

Its been a long time since Ive made any purchases Im satisfied with the quality.

Posted By Hard Case in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Appreciated the selection. Jadeite is hard to find under $100. Website has alot of variety.

Posted By Jess in February, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Nothing bad to report. Everything is as expected. The gems and the price are all very good.

Posted By Dafanatic in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.

Posted By Sal in July, 2025
Source: Bizrate

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
Source: Bizrate
Enlarged Gemstone Image