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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Cat's Eye Aquamarine (15)
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Tiger's Eye Matrix (274)
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Uvarovite Garnet Drusy (80)
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Clear All
ID:
656272
Weight:
12.10ct
Size:
35.9 x 14.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
61.86
Item in Stock
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ID:
701067
Weight:
1.37ct
Size:
6.5 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
82.20
Item in Stock
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ID:
694391
Weight:
40.65ct
Size:
25.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
43.91
Item in Stock
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ID:
485155
Weight:
4.13ct
Size:
13 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
21.80
Item in Stock
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ID:
546440
Weight:
avg. 1.11 ct / each
Size:
6 mm (calibrated)
Clarity:
SI-I1
Price:
$
18.77
Item in Stock
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pcs
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:
450086
Weight:
35.05ct (total)
Size:
18.6 x 14.3 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
92.53
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:
501492
Weight:
17.32ct
Size:
33.2 x 18.6 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
34.30
Item in Stock
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ID:
391712
Weight:
43.68ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
57.66
Item in Stock
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ID:
304560
Weight:
7.60ct
Size:
12 x 12 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
40.13
Item in Stock
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ID:
594878
Weight:
19.30ct
Size:
17 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
3,821.40
Item in Stock
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ID:
284163
Weight:
0.87ct (total)
Size:
4.8 x 3.7 mm
Clarity:
VS-SI
Content:
2 pcs
Price:
$
130.68
Item in Stock
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ID:
671202
Weight:
15.26ct
Size:
18 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
32.81
Item in Stock
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ID:
495848
Weight:
2.56ct
Size:
8 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
119.68
Item in Stock
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ID:
619202
Weight:
13.90ct (total)
Size:
14 x 12 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
63.89
Item in Stock
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ID:
514175
Weight:
16.64ct (total)
Size:
14.3 x 11 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
36.25
Item in Stock
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ID:
602853
Weight:
2.18ct (total)
Size:
6 mm (calibrated)
Clarity:
SI-I1
Content:
2 pcs
Price:
$
71.94
Item in Stock
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ID:
234805
Weight:
0.49ct
Size:
5.1 x 4.1 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
161.70
Item in Stock
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ID:
639274
Weight:
81.18ct
Size:
27.8 x 25.3 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
681.91
Item in Stock
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ID:
363514
Weight:
29.42ct
Size:
34.2 x 22.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
58.25
Item in Stock
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ID:
470042
Weight:
46.72ct (total)
Size:
15 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
29.15
Item in Stock
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ID:
447865
Weight:
1.19ct
Size:
7.8 x 5.8 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
572.79
Item in Stock
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ID:
644279
Weight:
0.87ct
Size:
6.5 x 5.4 mm
Clarity:
VVS
Price:
$
7.31
Item in Stock
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ID:
619781
Weight:
2.53ct
Size:
10 x 8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
83.50
Item in Stock
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ID:
616877
Weight:
1.05ct
Size:
6 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
76.24
Item in Stock
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ID:
602194
Weight:
15.94ct
Size:
18 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
77.44
Item in Stock
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ID:
473005
Weight:
12.90ct
Size:
18.9 x 13.2 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
115.62
Item in Stock
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ID:
650671
Weight:
20.48ct
Size:
28.2 x 19.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
48.13
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:
699590
Weight:
103.65ct
Size:
44.2 x 28 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
99.50
Item in Stock
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ID:
499380
Weight:
1.99ct (total)
Size:
7.5 x 5.6 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
7.88
Item in Stock
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ID:
602284
Weight:
2.72ct
Size:
8 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
89.76
Item in Stock
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ID:
543911
Weight:
0.17ct
Size:
3.5 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
369.49
Item in Stock
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ID:
553133
Weight:
2.29ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
51.74
Item in Stock
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ID:
694416
Weight:
45.71ct
Size:
31.9 x 23 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
49.37
Item in Stock
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ID:
522378
Weight:
24.38ct (total)
Size:
19.2 x 17.3 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
439.01
Item in Stock
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ID:
448580
Weight:
1.21ct
Size:
7.4 x 5.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
641.54
Item in Stock
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ID:
485809
Weight:
12.38ct
Size:
16.5 x 13.5 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
103.99
Item in Stock
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ID:
495949
Weight:
1.19ct
Size:
6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
66.77
Item in Stock
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ID:
382653
Weight:
1.61ct
Size:
9.3 x 6.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
159.08
Item in Stock
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ID:
646936
Weight:
1.37ct
Size:
7.9 x 5.5 mm
Clarity:
SI
Content:
1 pc
Price:
$
41.10
Item in Stock
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ID:
418032
Weight:
97.90ct
Size:
24.7 x 22 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
646.14
Item in Stock
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ID:
486785
Weight:
45.71ct
Size:
37.9 x 18.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
66.37
Item in Stock
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ID:
384216
Weight:
6.69ct
Size:
13 x 9 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
946.74
Item in Stock
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ID:
565098
Weight:
0.21ct (total)
Size:
3 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
383.08
Item in Stock
More Options & Item Details
ID:
366580
Weight:
1.15ct
Size:
8.6 x 5.7 mm
Clarity:
VVS
Content:
1 pc
Price:
$
161.47
Item in Stock
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ID:
586522
Weight:
29.59ct
Size:
28.1 x 14.9 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
195.30
Item in Stock
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ID:
675394
Weight:
2.71ct
Size:
11.9 x 9.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
87.61
Item in Stock
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ID:
690767
Weight:
12.19ct
Size:
14.9 x 11.6 mm
Clarity:
SI-I1
Content:
1 pc
Price:
$
731.40
Item in Stock
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ID:
650033
Weight:
1.36ct
Size:
7 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
11.42
Item in Stock
More Options & Item Details
ID:
475034
Weight:
1.82ct
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
7.21
Item in Stock
More Options & Item Details
ID:
691028
Weight:
0.49ct
Size:
4.5 mm (calibrated)
Clarity:
SI-I1
Content:
1 pc
Price:
$
29.40
Item in Stock
More Options & Item Details
ID:
671487
Weight:
45.87ct
Size:
31.9 x 22 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
118.34
Item in Stock
More Options & Item Details
ID:
587114
Weight:
2.85ct
Size:
10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
75.24
Item in Stock
More Options & Item Details
ID:
501453
Weight:
35.54ct
Size:
31.5 x 21.3 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
149.18
Item in Stock
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ID:
586516
Weight:
6.50ct
Size:
15 x 15 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
42.90
Item in Stock
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ID:
655065
Weight:
12.47ct
Size:
22.2 x 12.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
38.76
Item in Stock
More Options & Item Details
ID:
522920
Weight:
65.37ct
Size:
36 x 29.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
66.43
Item in Stock
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ID:
692951
Weight:
30.88ct
Size:
23.1 x 21.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
29.64
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
Great selection. Maybe too great i kept adding and deleting stuff because i found better looking ones
Posted By Edsor works in October, 2025
Source: Bizrate
Overall Rating -> 9
I did not have any problems
Posted By Clilrichard in January, 2025
Source: Bizrate
Overall Rating -> 9
Fast and reliable service.
Posted By Zæck in December, 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 -> 10
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 -> 10
I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well
Posted By Marti in July, 2025
Source: Bizrate
Overall Rating -> 10
Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.
Posted By JD in July, 2025
Source: Bizrate
Overall Rating -> 10
Appreciated the selection. Jadeite is hard to find under $100. Website has alot of variety.
Posted By Jess in February, 2025
Source: Bizrate
Overall Rating -> 10
hassle free experience.
Posted By Jhidron in October, 2025
Source: Bizrate