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

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ID: 435742
Weight: 9.50ct
Size: 16 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 31.10
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ID: 368481
Weight: 2.94ct
Size: 9.6 x 7.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 19.25
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ID: 714422
Weight: 3.35ct
Size: 11.3 x 9.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 150.75
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ID: 688275
Weight: 8.99ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.62
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ID: 715525
Weight: 0.32ct
Size: 4.6 x 3.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 20.35
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ID: 696497
Weight: 73.43ct
Size: 34.7 x 30.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 132.18
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ID: 718005
Weight: 1.60ct (total)
Size: 6.2 x 4.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 48.00
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ID: 526323
Weight: 1.32ct
Size: 6.7 x 6.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 95.83
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ID: 712478
Weight: 4.77ct (total)
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 12.71
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ID: 688825
Weight: 4.42ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 20.29
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ID: 541609
Weight: 1.37ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Price: $ 10.85
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ID: 704551
Weight: 1.93ct
Size: 13.1 x 9.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 48.25
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ID: 605587
Weight: 75.13ct
Size: 31.9 x 24.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 46.61
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ID: 713655
Weight: 20.29ct
Size: 20 x 15 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 170.44
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ID: 501629
Weight: 1.99ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.76
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ID: 648028
Weight: 6.04ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 10.87
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ID: 606836
Weight: 24.35ct (total)
Size: 19.6 x 12.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 37.92
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ID: 564678
Weight: 4.08ct
Size: 12 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.93
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ID: 734989
Weight: 5.85ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 29.25
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ID: 730097
Weight: 2.61ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 23.36
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ID: 499833
Weight: 3.84ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 35.48
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ID: 722705
Weight: 24.76ct
Size: 25.7 x 18.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 207.98
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ID: 521575
Weight: 22.00ct
Size: 22.3 x 19.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 174.24
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ID: 432769
Weight: 37.90ct
Size: 28.7 x 23.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 36.38
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ID: 726002
Weight: 0.42ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 4.03
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ID: 712305
Weight: 10.48ct (total)
Size: 16 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 27.92
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ID: 724944
Weight: 0.35ct
Size: 4.1 x 3.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 14.70
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ID: 742113
Weight: 2.04ct
Size: 10.1 x 5 mm
Clarity: VVS
Content: 1 pc
Price: $ 20.40
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ID: 440020
Weight: 3.60ct (total)
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 7.13
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ID: 693732
Weight: 5.25ct
Size: 10.9 x 7.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 174.07
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ID: 725450
Weight: 1.17ct
Size: 14.5 x 3.2 mm
Clarity: VS
Content: 1 pc
Price: $ 49.14
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ID: 395233
Weight: 4.35ct
Size: 10 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 28.72
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ID: 421013
Weight: 8.14ct
Size: 21.9 x 10.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 32.23
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ID: 730420
Weight: 9.93ct
Size: 15 x 10 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 794.40
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ID: 343465
Weight: 11.77ct
Size: 16 x 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 18.64
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ID: 472727
Weight: 5.07ct
Size: 20.1 x 12.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.32
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ID: 482267
Weight: 2.24ct
Size: 8.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 16.14
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ID: 687091
Weight: 6.26ct (total)
Size: 15 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 18.48
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ID: 548263
Weight: 11.10ct
Size: 14.8 x 13.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 439.56
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ID: 672058
Weight: 2.19ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 52.56
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ID: 596035
Weight: 0.56ct
Size: 5.6 x 3.9 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 20.83
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ID: 727823
Weight: 1.19ct
Size: 7.1 x 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 68.54
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ID: 737353
Weight: 4.04ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 181.80
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ID: 631591
Weight: 5.54ct
Size: 13 x 10.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 66.48
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ID: 348804
Weight: 26.28ct
Size: 31.8 x 18.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.69
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ID: 439424
Weight: 7.46ct
Size: 13 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 134.28
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ID: 712401
Weight: 5.27ct
Size: 16 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 14.04
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ID: 650433
Weight: 32.88ct
Size: 28.9 x 20.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.73
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ID: 350382
Weight: 2.86ct (total)
Size: 3 x 3 mm (calibrated)
Clarity: Transparent/Translucent
Content: 20 pcs
Price: $ 65.46
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ID: 712003
Weight: 11.84ct
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 31.54
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ID: 730458
Weight: 54.15ct
Size: 38.9 x 30.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 51.98
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ID: 597457
Weight: 1.72ct (total)
Size: 7.8 x 5.6 mm
Clarity: VS
Content: 2 pcs
Price: $ 113.52
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ID: 715486
Weight: 5.78ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 55.49
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ID: 547773
Weight: 2.21ct
Size: 7.5 x 7.4 mm
Clarity: SI
Content: 1 pc
Price: $ 44.77
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ID: 470614
Weight: 48.91ct
Size: 37.2 x 23.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 47.12
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ID: 525347
Weight: 1.61ct
Size: 7.5 x 6.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 297.53
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ID: 737163
Weight: 3.59ct
Size: 14.2 x 8.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 17.95
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ID: 433948
Weight: 5.40ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 35.64
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ID: 705019
Weight: 1.96ct
Size: 12 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 58.80
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ID: 711463
Weight: 33.08ct
Size: 25.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 73.44
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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 -> 8 star ratings

I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.

Posted By Atsu in December, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Very easy to navigate with a great selection.

Posted By Bar181 in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I think therea's no problem

Posted By Napoleon in August, 2025
Source: Bizrate

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
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

The site provided lots of detail, factual data, and good photos. I also like the availability of searching by price range as well as by the type of stone.

Posted By SLIntuitive Donna in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very large selection from affordable to high end I will be coming back to shop again!

Posted By GreenGator in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.

Posted By Desertchick in March, 2025
Source: Bizrate
Enlarged Gemstone Image