Loose Untreated Gemstones: Certified Natural Gems for Collectors and Jewelry, Wholesale Untreated Stones
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Clear All
ID:
463238
Weight:
4.03ct
Size:
14 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
31.92
Item in Stock
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ID:
712932
Weight:
1.69ct
Size:
9 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
4.50
Item in Stock
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ID:
700480
Weight:
0.70ct
Size:
5 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
42.00
Item in Stock
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ID:
650101
Weight:
26.31ct
Size:
30.3 x 19.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
18.62
Item in Stock
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ID:
698493
Weight:
3.87ct
Size:
11 x 9 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
32.51
Item in Stock
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ID:
520038
Weight:
4.17ct
Size:
12 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
30.66
Item in Stock
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ID:
458604
Weight:
1.48ct (total)
Size:
4.6 x 3.7 mm
Clarity:
VS
Content:
4 pcs
Price:
$
195.36
Item in Stock
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ID:
544303
Weight:
0.64ct
Size:
6.5 x 4.2 mm
Clarity:
SI
Content:
1 pc
Price:
$
16.90
Item in Stock
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ID:
659877
Weight:
1.14ct
Size:
6 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
2.75
Item in Stock
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ID:
684511
Weight:
16.74ct
Size:
23.4 x 16 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
21.49
Item in Stock
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ID:
708657
Weight:
1.51ct
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
31.19
Item in Stock
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ID:
644086
Weight:
3.61ct (total)
Size:
8 x 8 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
9.53
Item in Stock
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ID:
451383
Weight:
2.68ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
24.77
Item in Stock
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ID:
713836
Weight:
1.40ct
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
11.76
Item in Stock
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ID:
462134
Weight:
15.72ct
Size:
19.5 x 17.1 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
835.42
Item in Stock
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ID:
678138
Weight:
0.12ct
Size:
2.7 x 2.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
72.00
Item in Stock
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ID:
727273
Weight:
0.72ct
Size:
6 x 4 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
12.96
Item in Stock
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ID:
691073
Weight:
0.92ct
Size:
6 mm (calibrated)
Clarity:
SI-I1
Content:
1 pc
Price:
$
55.20
Item in Stock
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ID:
725849
Weight:
0.74ct
Size:
6 x 6 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
7.10
Item in Stock
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ID:
687040
Weight:
6.12ct
Size:
12 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
7.34
Item in Stock
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ID:
561460
Weight:
0.81ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
6.17
Item in Stock
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ID:
685326
Weight:
0.27ct
Size:
3.5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
11.34
Item in Stock
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ID:
710226
Weight:
2.87ct
Size:
10 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
24.11
Item in Stock
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ID:
710349
Weight:
2.87ct
Size:
10 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
24.11
Item in Stock
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ID:
690295
Weight:
10.96ct
Size:
22.4 x 13.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
42.35
Item in Stock
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ID:
473995
Weight:
1.47ct
Size:
7.7 x 5.5 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
5.82
Item in Stock
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ID:
393182
Weight:
2.01ct
Size:
7.4 x 7.3 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
53.06
Item in Stock
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ID:
457065
Weight:
5.94ct
Size:
13.7 x 8.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
31.37
Item in Stock
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ID:
437378
Weight:
1.10ct
Size:
6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
29.04
Item in Stock
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ID:
728058
Weight:
2.03ct
Size:
8.1 x 6.6 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
12.18
Item in Stock
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ID:
729878
Weight:
1.52ct
Size:
8.7 x 6.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
255.36
Item in Stock
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ID:
583729
Weight:
3.58ct
Size:
12 x 8 mm (calibrated)
Clarity:
VVS
Price:
$
14.17
Item in Stock
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ID:
402662
Weight:
2.24ct (total)
Size:
4.3 mm
Clarity:
VS
Content:
5 pcs
Price:
$
91.66
Item in Stock
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ID:
701111
Weight:
21.27ct
Size:
29.5 x 15.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
11.48
Item in Stock
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ID:
724460
Weight:
0.17ct
Size:
3.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
28.56
Item in Stock
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ID:
725443
Weight:
0.64ct
Size:
12.4 x 2.3 mm
Clarity:
VVS
Content:
1 pc
Price:
$
26.88
Item in Stock
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ID:
573144
Weight:
4.58ct (total)
Size:
12 x 6.1 mm
Clarity:
VVS
Content:
2 pcs
Price:
$
48.36
Item in Stock
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ID:
697433
Weight:
5.13ct
Size:
15 x 9.2 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
36.94
Item in Stock
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ID:
500218
Weight:
2.02ct (total)
Size:
2.1 mm (calibrated)
Clarity:
Transparent
Content:
30 pcs
Price:
$
13.33
Item in Stock
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ID:
698496
Weight:
1.34ct
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
8.04
Item in Stock
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ID:
663101
Weight:
1.34ct
Size:
6.8 x 5.9 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
8.04
Item in Stock
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ID:
694292
Weight:
18.03ct
Size:
21.3 x 17.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
54.10
Item in Stock
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ID:
556007
Weight:
0.76ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
15.05
Item in Stock
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ID:
718843
Weight:
2.18ct
Size:
8.5 x 6.4 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
65.40
Item in Stock
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ID:
492860
Weight:
5.07ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
36.67
Item in Stock
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ID:
451084
Weight:
1.34ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
12.38
Item in Stock
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ID:
563594
Weight:
2.81ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
18.55
Item in Stock
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ID:
544465
Weight:
0.76ct
Size:
6.1 x 4.3 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
34.01
Item in Stock
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ID:
706847
Weight:
1.50ct
Size:
8 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
3.60
Item in Stock
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ID:
719959
Weight:
0.83ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
6.97
Item in Stock
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ID:
562906
Weight:
4.34ct
Size:
12 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
40.10
Item in Stock
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ID:
709996
Weight:
0.47ct
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Price:
$
3.95
Item in Stock
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ID:
723887
Weight:
88.20ct
Size:
25 x 20.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
104.78
Item in Stock
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ID:
706445
Weight:
8.51ct
Size:
12.8 x 12.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
17.36
Item in Stock
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ID:
492612
Weight:
5.38ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
38.92
Item in Stock
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ID:
710177
Weight:
2.56ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
21.50
Item in Stock
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ID:
495719
Weight:
1.29ct
Size:
6.6 x 6.2 mm
Clarity:
VVS
Content:
1 pc
Price:
$
108.68
Item in Stock
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ID:
367067
Weight:
1.28ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
178.45
Item in Stock
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ID:
556018
Weight:
24.45ct
Size:
27.3 x 13 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
29.69
Item in Stock
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ID:
674644
Weight:
1.00ct (total)
Size:
8.3 x 4.2 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
7.20
Item in Stock
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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
Awesome
Posted By D in December, 2024
Source: Bizrate
Overall Rating -> 10
Very food
Posted By Keeto in July, 2025
Source: Bizrate
Overall Rating -> 10
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 -> 8
The website was nice and I bought some gems
Posted By Jay in December, 2024
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Overall Rating -> 10
I was able to find what I was looking for
Posted By Lincolnpremier in January, 2025
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Overall Rating -> 10
Very professional site
Posted By JR in January, 2025
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Overall Rating -> 10
It was easy to navigate
Posted By GemGod in July, 2025
Source: Bizrate
Overall Rating -> 10
I found exactly what I was looking for and ordered it. I like how you give information on the stones I'm buying. Glad I found you!
Posted By TheP in April, 2025
Source: Bizrate
Overall Rating -> 10
nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic
Posted By Steve m. in February, 2025
Source: Bizrate