Loose Untreated Gemstones: Certified Natural Gems for Collectors and Jewelry, Wholesale Untreated Stones
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Gemtypes in Category:
Actinolite Cat's Eye (54)
Agate (589)
Agate Geode (15)
Alexandrite (21)
Almandine Garnet (475)
Amazonite (259)
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Black Opal (6)
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Calcite (71)
Carnelian (21)
Cat's Eye Alexandrite (37)
Cat's Eye Apatite (29)
Cat's Eye Aquamarine (15)
Cat's Eye Beryl (3)
Cat's Eye Moonstone (29)
Cat's Eye Opal (166)
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Cavansite (36)
Chalcedony (203)
Charoite (122)
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Chrysoberyl Cat's Eye (55)
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Clinohumite (30)
Color-Change Diaspore (834)
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Color-Change Sapphire (6)
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Druzy Variscite (130)
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Tiger's Eye Matrix (274)
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Uvarovite Garnet Drusy (80)
Variscite (4)
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ID:
442839
Weight:
3.60ct (total)
Size:
8 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
9.50
Item in Stock
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ID:
557214
Weight:
2.94ct (total)
Size:
7 x 7 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
24.60
Item in Stock
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ID:
744053
Weight:
2.77ct
Size:
8.5 x 6.8 mm
Clarity:
VVS
Content:
1 pc
Price:
$
747.90
Item in Stock
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ID:
401140
Weight:
22.40ct
Size:
22.1 x 16.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
44.35
Item in Stock
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ID:
462834
Weight:
1.47ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
Transparent
Content:
4 pcs
Price:
$
77.62
Item in Stock
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ID:
715419
Weight:
0.82ct
Size:
5.7 x 4.7 mm
Clarity:
VVS
Content:
1 pc
Price:
$
52.15
Item in Stock
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ID:
676449
Weight:
12.63ct
Size:
21.1 x 12.7 mm
Clarity:
VVS
Content:
1 pc
Price:
$
136.40
Item in Stock
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ID:
712566
Weight:
1.13ct
Size:
7.4 x 5.8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
22.56
Item in Stock
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ID:
469324
Weight:
29.31ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
40.63
Item in Stock
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ID:
705703
Weight:
59.08ct
Size:
25.6 x 23.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
54.59
Item in Stock
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ID:
341707
Weight:
12.42ct (total)
Size:
14 x 10 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
20.49
Item in Stock
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ID:
514727
Weight:
23.83ct
Size:
33.3 x 9.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
17.30
Item in Stock
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ID:
716141
Weight:
2.86ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
27.46
Item in Stock
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ID:
679247
Weight:
13.03ct
Size:
22.4 x 13.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
78.18
Item in Stock
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ID:
639282
Weight:
1.02ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
25.58
Item in Stock
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ID:
439261
Weight:
2.81ct
Size:
8 x 8 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
174.34
Item in Stock
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ID:
491759
Weight:
68.39ct (total)
Size:
24.9 x 20 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
80.35
Item in Stock
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ID:
370374
Weight:
26.60ct (total)
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
42.49
Item in Stock
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ID:
667020
Weight:
2.03ct
Size:
8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
41.63
Item in Stock
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ID:
439827
Weight:
3.92ct (total)
Size:
8 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
7.76
Item in Stock
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ID:
532367
Weight:
7.14ct
Size:
12.8 x 10.6 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
51.84
Item in Stock
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ID:
427233
Weight:
2.56ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
16.90
Item in Stock
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ID:
686740
Weight:
0.47ct (total)
Size:
4.5 x 3.2 mm
Clarity:
VS
Content:
2 pcs
Price:
$
31.02
Item in Stock
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ID:
714106
Weight:
0.39ct
Size:
4.5 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
11.70
Item in Stock
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ID:
713441
Weight:
1.08ct
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
9.07
Item in Stock
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ID:
328313
Weight:
14.00ct (total)
Size:
12 x 12 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
92.40
Item in Stock
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ID:
474683
Weight:
1.89ct
Size:
8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
17.46
Item in Stock
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ID:
484416
Weight:
2.91ct (total)
Size:
7.3 x 5.4 mm
Clarity:
VS
Content:
3 pcs
Price:
$
38.41
Item in Stock
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ID:
327743
Weight:
0.57ct
Size:
6 x 4 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
67.72
Item in Stock
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ID:
479159
Weight:
2.82ct (total)
Size:
9.9 x 5 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
29.78
Item in Stock
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ID:
744683
Weight:
1.67ct
Size:
9.9 x 4.9 mm
Clarity:
VVS
Content:
1 pc
Price:
$
75.15
Item in Stock
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ID:
546354
Weight:
38.27ct
Size:
25 x 18 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
30.31
Item in Stock
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ID:
348531
Weight:
2.05ct
Size:
19.6 x 3.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
67.66
Item in Stock
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ID:
736561
Weight:
11.39ct
Size:
18.4 x 14.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
16.06
Item in Stock
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ID:
406819
Weight:
10.86ct
Size:
14.2 x 11.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
43.01
Item in Stock
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ID:
724546
Weight:
0.25ct
Size:
5.1 x 3.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
35.00
Item in Stock
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ID:
686822
Weight:
5.78ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
6.94
Item in Stock
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ID:
648833
Weight:
3.35ct
Size:
12.6 x 9.6 mm
Clarity:
VVS
Content:
1 pc
Price:
$
28.14
Item in Stock
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ID:
737167
Weight:
41.20ct
Size:
38.8 x 12.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
4.12
Item in Stock
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ID:
480690
Weight:
3.09ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
28.55
Item in Stock
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ID:
720076
Weight:
0.63ct
Size:
5 x 4 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
11.34
Item in Stock
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ID:
492744
Weight:
5.18ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
37.48
Item in Stock
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ID:
713664
Weight:
5.59ct
Size:
15.2 x 9.1 mm
Clarity:
VVS
Content:
1 pc
Price:
$
46.96
Item in Stock
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ID:
697714
Weight:
0.46ct (total)
Size:
3.7 mm
Clarity:
VS-SI
Content:
2 pcs
Price:
$
9.94
Item in Stock
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ID:
645448
Weight:
17.10ct
Size:
16.8 x 13.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
41.04
Item in Stock
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ID:
519119
Weight:
31.22ct
Size:
23.7 x 17.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
36.68
Item in Stock
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ID:
664612
Weight:
4.23ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
91.37
Item in Stock
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ID:
342036
Weight:
3.99ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
36.86
Item in Stock
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ID:
518628
Weight:
1.73ct
Size:
10.2 x 6.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
159.85
Item in Stock
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ID:
639889
Weight:
0.69ct
Size:
6.3 x 4.2 mm
Clarity:
VVS
Price:
$
5.80
Item in Stock
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ID:
459419
Weight:
6.34ct
Size:
12 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
12.55
Item in Stock
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ID:
715768
Weight:
1.40ct
Size:
11.6 x 4.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
89.04
Item in Stock
More Options & Item Details
ID:
678021
Weight:
0.27ct
Size:
3 x 3 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
162.00
Item in Stock
More Options & Item Details
ID:
626631
Weight:
8.16ct
Size:
13 x 11 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
42.77
Item in Stock
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ID:
672659
Weight:
9.17ct
Size:
11 x 11 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
55.02
Item in Stock
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ID:
707206
Weight:
29.09ct
Size:
25.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
15.71
Item in Stock
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ID:
678875
Weight:
6.10ct
Size:
17 x 11.5 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
36.60
Item in Stock
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ID:
682509
Weight:
0.95ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
17.10
Item in Stock
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ID:
690289
Weight:
32.77ct
Size:
28 x 16.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
50.40
Item in Stock
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ID:
481494
Weight:
63.09ct
Size:
35.2 x 23.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
44.98
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
Good selection, using for custom jewlery for my wife.
Posted By Smitty in June, 2025
Source: Bizrate
Overall Rating -> 9
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
Source: Bizrate
Overall Rating -> 10
It was easy and to the point
Posted By Victorius in May, 2025
Source: Bizrate
Overall Rating -> 10
I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring
Posted By Desertchick in April, 2025
Source: Bizrate
Overall Rating -> 8
everything was fine
Posted By Marc in January, 2025
Source: Bizrate
Overall Rating -> 10
easy site to navigate
Posted By Curt's Cabochons in June, 2025
Source: Bizrate
Overall Rating -> 10
I was able to find what I was looking for
Posted By Lincolnpremier in January, 2025
Source: Bizrate
Overall Rating -> 10
So far So good
Posted By VH-1 in July, 2025
Source: Bizrate
Overall Rating -> 10
Very good
Hoping you will increase your inventory especially in the 6mm
Thanks
Posted By Ibie in February, 2025
Source: Bizrate