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

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ID: 426619
Weight: 22.14ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 102.29
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ID: 663107
Weight: 4.63ct
Size: 12 x 9.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.11
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ID: 450176
Weight: 4.35ct (total)
Size: 6.9 x 5.3 mm
Clarity: Transparent
Content: 4 pcs
Price: $ 57.42
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ID: 384557
Weight: 15.94ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 63.12
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ID: 406932
Weight: 8.26ct
Size: 16.4 x 11.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 30.74
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ID: 528255
Weight: 5.37ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.09
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ID: 634639
Weight: 0.92ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 16.56
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ID: 708318
Weight: 5.27ct
Size: 14.3 x 11.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 37.94
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ID: 310983
Weight: 2.89ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 167.86
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ID: 433907
Weight: 4.69ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 30.96
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ID: 570008
Weight: 2.19ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 16.13
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ID: 497563
Weight: 2.05ct
Size: 8.6 x 7.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 54.12
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ID: 631665
Weight: 18.70ct
Size: 25.6 x 17 mm
Clarity: Opaque
Content: 1 pc
Price: $ 85.04
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ID: 730314
Weight: 2.57ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 23.00
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ID: 516184
Weight: 20.24ct
Size: 19.4 x 13.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.77
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ID: 453747
Weight: 3.12ct
Size: 11.2 x 8 mm
Clarity: VS
Content: 1 pc
Price: $ 28.82
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ID: 713855
Weight: 18.69ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 157.00
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ID: 663122
Weight: 1.37ct
Size: 7.1 x 5.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 8.22
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ID: 457218
Weight: 1.64ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 15.16
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ID: 706644
Weight: 0.91ct
Size: 6.5 x 5.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 5.46
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ID: 479566
Weight: 2.00ct (total)
Size: 10 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 21.12
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ID: 387697
Weight: 2.08ct (total)
Size: 4 x 3 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 184.72
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ID: 485280
Weight: 6.11ct (total)
Size: 11.6 x 11.5 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 32.26
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ID: 521241
Weight: 11.77ct
Size: 19.4 x 12.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 93.22
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ID: 721511
Weight: 51.65ct
Size: 45.4 x 20.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 61.98
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ID: 370765
Weight: 25.02ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 33.02
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ID: 608432
Weight: 9.13ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 168.72
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ID: 583670
Weight: 1.48ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 32.56
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ID: 409676
Weight: 6.29ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 27.25
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ID: 676050
Weight: 5.23ct
Size: 12 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 31.38
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ID: 545029
Weight: 5.84ct (total)
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 43.56
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ID: 479292
Weight: 2.37ct (total)
Size: 10.1 x 5.1 mm
Clarity: VS
Content: 2 pcs
Price: $ 25.03
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ID: 478180
Weight: 7.66ct
Size: 18 x 13 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 70.18
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ID: 681911
Weight: 0.85ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.30
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ID: 688697
Weight: 1.66ct
Size: 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 9.14
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ID: 718505
Weight: 40.81ct
Size: 34.3 x 24.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 244.86
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ID: 645961
Weight: 22.43ct
Size: 26.9 x 16.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.65
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ID: 315798
Weight: 6.20ct (total)
Size: 12 x 6.8 mm
Clarity: Transparent/Translucent
Content: 2 pcs
Price: $ 22.92
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ID: 655892
Weight: 1.55ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 37.20
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ID: 737734
Weight: 0.61ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 167.75
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ID: 715481
Weight: 1.62ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.55
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ID: 697467
Weight: 0.64ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 3.84
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ID: 610616
Weight: avg. 0.44 ct / each
Size: 6 x 5 mm
Clarity: VS
Price: $ 3.38
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ID: 719368
Weight: 0.80ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 6.72
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ID: 711494
Weight: 1.75ct
Size: 9 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.67
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ID: 506058
Weight: 52.00ct
Size: 24.9 x 21.3 mm
Clarity: IF
Content: 1 pc
Price: $ 411.84
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ID: 346715
Weight: 1.98ct
Size: 16.9 x 3.7 mm
Clarity: VS
Content: 1 pc
Price: $ 86.26
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ID: 734691
Weight: 75.56ct
Size: 29.5 x 29.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 725.38
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ID: 707998
Weight: 6.67ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 11.04
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ID: 447320
Weight: 4.58ct
Size: 13 x 8.4 mm
Clarity: VS
Content: 1 pc
Price: $ 150.90
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ID: 481672
Weight: 28.35ct
Size: 25.1 x 23.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.79
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ID: 380940
Weight: 1.59ct
Size: 8 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 104.94
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ID: 470751
Weight: 8.64ct
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.33
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ID: 567637
Weight: 3.93ct
Size: 11.2 x 9.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 23.58
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ID: 717922
Weight: 1.96ct (total)
Size: 6.1 x 5 mm
Clarity: VVS
Content: 2 pcs
Price: $ 58.80
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ID: 725888
Weight: 1.45ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 13.92
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ID: 387891
Weight: 3.24ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 21.38
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ID: 718255
Weight: 1.00ct
Size: 5.9 x 4.8 mm
Clarity: VS
Content: 1 pc
Price: $ 30.00
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ID: 658239
Weight: 16.50ct
Size: 16.8 x 16.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 24.16
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ID: 746650
Weight: 0.97ct
Size: 8.4 x 6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 22.31
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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

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
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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.

Posted By Salvo in July, 2025
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Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

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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

Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.

Posted By Fried Rice in August, 2025
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Overall Rating -> 9 star ratings

I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.

Posted By Jewelry Quality Stones in July, 2025
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Overall Rating -> 10 star ratings

Was a good experience.

Posted By Tim in July, 2025
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