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)
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Tiger's Eye Matrix (277)
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ID:
413712
Weight:
10.94ct
Size:
14 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
361.02
Item in Stock
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ID:
601888
Weight:
22.62ct (total)
Size:
21 x 15.6 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
109.39
Item in Stock
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ID:
636958
Weight:
29.48ct (total)
Size:
20 x 10.2 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
106.13
Item in Stock
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ID:
469487
Weight:
24.98ct
Size:
21.3 x 14.6 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
52.10
Item in Stock
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ID:
486353
Weight:
64.31ct
Size:
30.6 x 32.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
65.36
Item in Stock
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ID:
659582
Weight:
28.62ct
Size:
19 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
57.24
Item in Stock
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ID:
484137
Weight:
8.87ct (total)
Size:
9.1 x 8.6 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
58.55
Item in Stock
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ID:
595148
Weight:
24.20ct
Size:
18.5 x 18.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
79.86
Item in Stock
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ID:
604848
Weight:
10.80ct
Size:
20.1 x 12.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
142.56
Item in Stock
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ID:
415741
Weight:
1.31ct
Size:
7.6 x 6.1 mm
Clarity:
SI
Content:
1 pc
Price:
$
1,174.13
Item in Stock
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ID:
656737
Weight:
avg. 2.17 ct / each
Size:
12 x 6 mm (calibrated)
Clarity:
Opaque
Price:
$
2.56
Item in Stock
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Select
1
2
3
4
5
6
7
8
pcs
ID:
690247
Weight:
92.17ct
Size:
32.7 x 28.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
69.60
Item in Stock
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ID:
700225
Weight:
37.40ct
Size:
31.7 x 22.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
31.42
Item in Stock
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ID:
526850
Weight:
2.47ct
Size:
8.8 x 7.6 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
149.44
Item in Stock
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ID:
685657
Weight:
0.56ct (total)
Size:
3 x 2.6 mm
Clarity:
VVS
Content:
7 pcs
Price:
$
2,290.72
Item in Stock
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ID:
623469
Weight:
0.71ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
10.93
Item in Stock
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ID:
693361
Weight:
18.42ct
Size:
21.1 x 18.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
12.82
Item in Stock
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ID:
470842
Weight:
10.69ct
Size:
11.7 x 11.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
448.98
Item in Stock
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ID:
690772
Weight:
3.36ct
Size:
9.3 x 6.5 mm
Clarity:
SI
Content:
1 pc
Price:
$
201.60
Item in Stock
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ID:
619368
Weight:
10.70ct
Size:
19.9 x 13.4 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
54.10
Item in Stock
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ID:
668712
Weight:
23.18ct
Size:
16 x 16 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
500.69
Item in Stock
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ID:
278819
Weight:
0.60ct
Size:
6 x 4.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
198.00
Item in Stock
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ID:
691651
Weight:
83.34ct
Size:
54.9 x 31 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
60.00
Item in Stock
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ID:
634610
Weight:
22.12ct
Size:
27.5 x 12.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
185.81
Item in Stock
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ID:
399543
Weight:
33.50ct (total)
Size:
31.6 x 14.1 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
64.13
Item in Stock
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ID:
384010
Weight:
20.43ct
Size:
18 x 13 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
735.48
Item in Stock
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ID:
645615
Weight:
34.24ct
Size:
25 x 18 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
169.24
Item in Stock
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ID:
418129
Weight:
8.98ct
Size:
13 x 11 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
47.41
Item in Stock
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ID:
662091
Weight:
13.61ct
Size:
14 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
32.83
Item in Stock
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ID:
601907
Weight:
9.61ct
Size:
16.2 x 14 mm
Clarity:
VVS
Content:
1 pc
Price:
$
46.68
Item in Stock
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ID:
491766
Weight:
87.88ct (total)
Size:
23.4 x 19.5 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
103.24
Item in Stock
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ID:
469751
Weight:
23.51ct
Size:
22.4 x 14.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
49.04
Item in Stock
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ID:
587666
Weight:
2.86ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
VS-SI
Content:
2 pcs
Price:
$
75.50
Item in Stock
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ID:
693425
Weight:
6.30ct
Size:
12 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
174.07
Item in Stock
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ID:
502119
Weight:
6.48ct
Size:
12.9 x 9.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
730.27
Item in Stock
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ID:
345087
Weight:
54.13ct
Size:
25.8 x 22 mm
Clarity:
Transparent/Translucent
Content:
1 pc
Price:
$
92.89
Item in Stock
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ID:
545834
Weight:
34.60ct
Size:
32.1 x 17.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
36.54
Item in Stock
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ID:
656739
Weight:
avg. 6.19 ct / each
Size:
12 x 10 mm (calibrated)
Clarity:
Opaque
Price:
$
7.31
Item in Stock
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Select
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
pcs
ID:
478398
Weight:
1.84ct
Size:
13.8 x 6.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
77.28
Item in Stock
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ID:
628406
Weight:
24.07ct
Size:
22.2 x 18.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
144.42
Item in Stock
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ID:
690464
Weight:
5.23ct
Size:
12 x 12 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
122.82
Item in Stock
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ID:
472832
Weight:
4.17ct
Size:
14.3 x 10.4 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
57.73
Item in Stock
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ID:
366654
Weight:
1.29ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
181.13
Item in Stock
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ID:
612038
Weight:
9.84ct
Size:
16 x 12 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
116.90
Item in Stock
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ID:
547772
Weight:
2.50ct
Size:
7 x 7 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
50.66
Item in Stock
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ID:
565131
Weight:
0.15ct (total)
Size:
2.7 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
248.75
Item in Stock
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ID:
638591
Weight:
61.12ct
Size:
27.1 x 22.8 mm
Clarity:
VVS
Content:
1 pc
Price:
$
427.84
Item in Stock
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ID:
565407
Weight:
5.76ct
Size:
13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
22.81
Item in Stock
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ID:
434039
Weight:
30.70ct
Size:
30.7 x 23.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
40.52
Item in Stock
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ID:
403850
Weight:
7.49ct
Size:
13 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
39.55
Item in Stock
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ID:
597474
Weight:
38.51ct
Size:
20 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
84.72
Item in Stock
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ID:
619174
Weight:
32.94ct (total)
Size:
25 x 18 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
79.06
Item in Stock
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ID:
338676
Weight:
2.97ct (total)
Size:
7 x 7 mm (calibrated)
Clarity:
VS-SI
Content:
2 pcs
Price:
$
135.59
Item in Stock
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ID:
366376
Weight:
1.07ct
Size:
7.4 x 5.5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
150.32
Item in Stock
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ID:
334162
Weight:
2.60ct
Size:
9.7 x 7.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
123.55
Item in Stock
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ID:
332275
Weight:
2.50ct
Size:
9.7 x 7.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
99.00
Item in Stock
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ID:
623791
Weight:
1.08ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
65.34
Item in Stock
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ID:
407845
Weight:
6.37ct
Size:
13.3 x 9.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
349.37
Item in Stock
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ID:
276494
Weight:
0.53ct
Size:
6 x 4 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
174.90
Item in Stock
More Options & Item Details
ID:
694535
Weight:
37.43ct
Size:
32.8 x 22.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
40.43
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
So far So good
Posted By VH-1 in July, 2025
Source: Bizrate
Overall Rating -> 10
Good. I ts very user friendly.
Posted By Shalini in June, 2025
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Overall Rating -> 10
Its been a long time since Ive made any purchases Im satisfied with the quality.
Posted By Hard Case in December, 2024
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 -> 10
Very good
Hoping you will increase your inventory especially in the 6mm
Thanks
Posted By Ibie in February, 2025
Source: Bizrate
Overall Rating -> 10
I can pick and choose from large selection and find just what I need for .y projects, currently my cane.
Posted By Darkstar731 in July, 2025
Source: Bizrate
Overall Rating -> 10
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
Source: Bizrate
Overall Rating -> 9
I did not have any problems
Posted By Clilrichard in January, 2025
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Overall Rating -> 10
It was easy to find what I wanted
Posted By Villian in December, 2024
Source: Bizrate