Loose Untreated Gemstones: Certified Natural Gems for Collectors and Jewelry, Wholesale Untreated Stones
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Actinolite Cat's Eye (54)
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ID:
513693
Weight:
19.38ct
Size:
25.4 x 15.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
25.58
Item in Stock
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ID:
333715
Weight:
21.55ct
Size:
24.7 x 15.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
369.80
Item in Stock
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ID:
513692
Weight:
19.75ct
Size:
25 x 18 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
26.08
Item in Stock
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ID:
466229
Weight:
3.49ct (total)
Size:
12 x 5.9 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
36.85
Item in Stock
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ID:
644665
Weight:
1.15ct
Size:
7 x 5.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
27.60
Item in Stock
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ID:
732115
Weight:
0.83ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
31.87
Item in Stock
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ID:
717177
Weight:
1.39ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
28.36
Item in Stock
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ID:
600415
Weight:
2.81ct
Size:
9 x 7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
25.97
Item in Stock
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ID:
602101
Weight:
0.65ct
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
17.88
Item in Stock
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ID:
713416
Weight:
0.79ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
13.27
Item in Stock
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ID:
514163
Weight:
8.77ct
Size:
12 x 12 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
19.68
Item in Stock
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ID:
673247
Weight:
11.56ct (total)
Size:
19.8 x 13 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
32.60
Item in Stock
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ID:
658713
Weight:
18.07ct
Size:
15 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
26.46
Item in Stock
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ID:
612882
Weight:
1.86ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
SI
Content:
2 pcs
Price:
$
61.38
Item in Stock
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ID:
730447
Weight:
0.29ct
Size:
5 x 3 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
13.92
Item in Stock
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ID:
640590
Weight:
1.59ct
Size:
9.1 x 8.6 mm
Clarity:
VVS
Content:
1 pc
Price:
$
45.79
Item in Stock
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ID:
558341
Weight:
0.93ct
Size:
5.7 x 5.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
56.32
Item in Stock
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ID:
644656
Weight:
1.12ct
Size:
6 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
26.88
Item in Stock
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ID:
531236
Weight:
3.45ct
Size:
9 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
31.88
Item in Stock
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ID:
381591
Weight:
1.11ct
Size:
8.2 x 5.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
62.98
Item in Stock
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ID:
679331
Weight:
2.71ct
Size:
10 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
22.76
Item in Stock
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ID:
737465
Weight:
2.22ct
Size:
9 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
99.90
Item in Stock
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ID:
722824
Weight:
0.54ct
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
16.20
Item in Stock
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ID:
358791
Weight:
4.12ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
10 pcs
Price:
$
21.76
Item in Stock
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ID:
627874
Weight:
14.70ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
70.03
Item in Stock
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ID:
699122
Weight:
3.18ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
26.71
Item in Stock
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ID:
526016
Weight:
6.86ct
Size:
16 x 12 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
65.38
Item in Stock
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ID:
485390
Weight:
17.29ct (total)
Size:
12 x 11.3 mm
Clarity:
Translucent
Content:
5 pcs
Price:
$
45.65
Item in Stock
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ID:
688136
Weight:
0.92ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
8.83
Item in Stock
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ID:
660039
Weight:
10.76ct (total)
Size:
11 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
21.63
Item in Stock
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ID:
659828
Weight:
1.08ct
Size:
9 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
2.59
Item in Stock
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ID:
724865
Weight:
0.98ct
Size:
5.9 x 4.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
41.16
Item in Stock
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ID:
443224
Weight:
9.84ct (total)
Size:
11 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
32.34
Item in Stock
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ID:
491074
Weight:
6.11ct (total)
Size:
7 mm (calibrated)
Clarity:
Opaque
Content:
4 pcs
Price:
$
17.99
Item in Stock
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ID:
479187
Weight:
5.23ct (total)
Size:
6.8 x 4.7 mm
Clarity:
Transparent
Content:
5 pcs
Price:
$
6.09
Item in Stock
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ID:
543998
Weight:
0.80ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
5.28
Item in Stock
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ID:
714486
Weight:
0.53ct
Size:
6.4 x 4.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
28.62
Item in Stock
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ID:
746340
Weight:
1.19ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
38.08
Item in Stock
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ID:
684204
Weight:
0.35ct
Size:
4.5 x 3.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
14.70
Item in Stock
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ID:
710788
Weight:
44.03ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
79.26
Item in Stock
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ID:
558129
Weight:
1.30ct
Size:
6.4 x 5.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
110.20
Item in Stock
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ID:
702076
Weight:
10.23ct
Size:
16.7 x 9.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
61.38
Item in Stock
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ID:
587796
Weight:
15.68ct
Size:
14 x 14 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
17.39
Item in Stock
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ID:
456633
Weight:
2.42ct
Size:
11.3 x 7.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
22.36
Item in Stock
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ID:
551480
Weight:
2.99ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
27.00
Item in Stock
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ID:
655557
Weight:
3.15ct (total)
Size:
8 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
75.60
Item in Stock
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ID:
584968
Weight:
33.12ct
Size:
30.4 x 26.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
96.18
Item in Stock
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ID:
490978
Weight:
8.64ct (total)
Size:
8 mm (calibrated)
Clarity:
Opaque
Content:
4 pcs
Price:
$
23.12
Item in Stock
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ID:
370601
Weight:
12.62ct
Size:
16 x 15.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
16.66
Item in Stock
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ID:
513392
Weight:
0.81ct
Size:
5.8 x 5.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
58.46
Item in Stock
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ID:
497052
Weight:
2.23ct
Size:
9 x 7 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
40.07
Item in Stock
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ID:
747234
Weight:
1.82ct
Size:
8.7 x 6.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
254.80
Item in Stock
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ID:
637736
Weight:
1.89ct
Size:
9 x 7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
17.58
Item in Stock
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ID:
720965
Weight:
32.96ct
Size:
20.9 x 17.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
39.55
Item in Stock
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ID:
368087
Weight:
3.67ct (total)
Size:
7.5 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
24.02
Item in Stock
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ID:
394305
Weight:
40.74ct
Size:
46.4 x 20.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
53.77
Item in Stock
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ID:
694485
Weight:
34.55ct
Size:
37 x 28.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
37.32
Item in Stock
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ID:
693240
Weight:
46.99ct
Size:
39 x 25.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
25.94
Item in Stock
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ID:
708436
Weight:
1.41ct
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
29.12
Item in Stock
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ID:
392755
Weight:
13.76ct (total)
Size:
14 x 10 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
90.82
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
No problems. I had a minor address issue in the past and someone got back to me very quickly and we resolved the issue satisfactorily. I appreciated the quick, concerned response. So important when buyer/seller are so far apart in distance. Thank you Gem Select. Keep up the good work!
Posted By Orphanboy in December, 2025
Source: Bizrate
Overall Rating -> 10
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 -> 10
went well
Posted By Doug in May, 2025
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Overall Rating -> 10
I love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.
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Overall Rating -> 10
selection was broad and the check out was quick. Great site
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Overall Rating -> 9
I love the gems!
Posted By MM in April, 2025
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Overall Rating -> 10
Easy picking, fast checkout, secure shipping. Cana't ask for anything more than efficiency and a good price.
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Overall Rating -> 10
It was easy and to the point
Posted By Victorius in May, 2025
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Overall Rating -> 10
this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.
Posted By Tommyp in November, 2025
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