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 (562)
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Cat's Eye Aquamarine (15)
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Chrysocolla (50)
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Clear All
ID:
558376
Weight:
1.34ct
Size:
7.1 x 5.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
709.50
Item in Stock
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ID:
521238
Weight:
16.81ct
Size:
23.4 x 14 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
133.14
Item in Stock
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ID:
473648
Weight:
0.93ct (total)
Size:
3.8 mm
Clarity:
VS
Content:
4 pcs
Price:
$
149.85
Item in Stock
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ID:
271561
Weight:
9.06ct
Size:
14 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
53.82
Item in Stock
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ID:
559441
Weight:
7.26ct
Size:
11.6 x 7.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
11.03
Item in Stock
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ID:
692347
Weight:
24.65ct
Size:
20 x 15 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
172.55
Item in Stock
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ID:
717404
Weight:
1.34ct
Size:
8.7 x 4.8 mm
Clarity:
VVS
Content:
1 pc
Price:
$
434.16
Item in Stock
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ID:
363367
Weight:
20.00ct
Size:
25 x 18 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
52.80
Item in Stock
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ID:
693820
Weight:
6.20ct
Size:
14.8 x 11.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
18.60
Item in Stock
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ID:
447676
Weight:
1.42ct
Size:
8.8 x 6.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
902.22
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
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ID:
407299
Weight:
10.57ct
Size:
15.1 x 10.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
348.82
Item in Stock
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ID:
365836
Weight:
39.03ct
Size:
33.5 x 33.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
77.27
Item in Stock
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ID:
631996
Weight:
16.82ct
Size:
19 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
76.50
Item in Stock
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ID:
694301
Weight:
21.94ct
Size:
27 x 20 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
54.85
Item in Stock
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ID:
389993
Weight:
20.82ct
Size:
24.8 x 16.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
54.96
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:
696196
Weight:
48.76ct
Size:
27 x 20 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
27.79
Item in Stock
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ID:
513650
Weight:
127.45ct
Size:
28.6 x 26.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
2,102.93
Item in Stock
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ID:
686804
Weight:
1.25ct (total)
Size:
6.1 x 4.2 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
22.50
Item in Stock
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ID:
518172
Weight:
6.25ct
Size:
14 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
19.87
Item in Stock
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ID:
602199
Weight:
8.58ct
Size:
14 x 14 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
41.68
Item in Stock
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ID:
619200
Weight:
18.92ct (total)
Size:
16.1 x 14 mm
Clarity:
VS
Content:
2 pcs
Price:
$
79.71
Item in Stock
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ID:
572774
Weight:
1.01ct
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
40.00
Item in Stock
More Options & Item Details
ID:
587134
Weight:
40.89ct
Size:
29.1 x 24.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
53.98
Item in Stock
More Options & Item Details
ID:
470657
Weight:
17.33ct
Size:
17.6 x 16.4 mm
Clarity:
SI
Content:
1 pc
Price:
$
9,531.50
Item in Stock
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ID:
567739
Weight:
7.14ct
Size:
13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
21.59
Item in Stock
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ID:
647538
Weight:
24.23ct (total)
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
31.98
Item in Stock
More Options & Item Details
ID:
568864
Weight:
9.80ct
Size:
20 x 13.2 mm
Clarity:
SI-I1
Content:
1 pc
Price:
$
530.38
Item in Stock
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ID:
481443
Weight:
1.64ct
Size:
6.5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
47.12
Item in Stock
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ID:
350666
Weight:
19.85ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
104.81
Item in Stock
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ID:
677850
Weight:
avg. 0.12 ct / each
Size:
2.5 x 2.4 mm
Clarity:
Opaque
Price:
$
60.75
Item in Stock
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Select
1
2
3
4
5
6
7
8
9
10
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19
20
pcs
ID:
407385
Weight:
14.93ct
Size:
16.2 x 13.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
742.98
Item in Stock
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ID:
585682
Weight:
37.46ct
Size:
30 x 22 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
206.03
Item in Stock
More Options & Item Details
ID:
608426
Weight:
8.99ct (total)
Size:
12 x 10 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
166.14
Item in Stock
More Options & Item Details
ID:
623881
Weight:
57.73ct
Size:
39.3 x 27.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
70.87
Item in Stock
More Options & Item Details
ID:
586516
Weight:
6.50ct
Size:
15 x 15 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
42.90
Item in Stock
More Options & Item Details
ID:
654814
Weight:
9.21ct
Size:
18.2 x 17.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
28.62
Item in Stock
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ID:
384740
Weight:
3.75ct
Size:
19.8 x 9.2 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
33.80
Item in Stock
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ID:
527303
Weight:
avg. 0.67 ct / each
Size:
5 x 5 mm (calibrated)
Clarity:
VVS-VS
Price:
$
11.08
Item in Stock
More Options & Item Details
Select
1
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pcs
ID:
439473
Weight:
8.28ct
Size:
13 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
149.04
Item in Stock
More Options & Item Details
ID:
470658
Weight:
13.98ct
Size:
16.5 x 13.7 mm
Clarity:
SI
Content:
1 pc
Price:
$
9,226.80
Item in Stock
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ID:
520174
Weight:
2.29ct
Size:
8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
15.12
Item in Stock
More Options & Item Details
ID:
576000
Weight:
4.38ct
Size:
12.5 x 12.3 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
131.40
Item in Stock
More Options & Item Details
ID:
390040
Weight:
1.27ct
Size:
12.1 x 3.9 mm
Clarity:
SI
Content:
1 pc
Price:
$
82.27
Item in Stock
More Options & Item Details
ID:
685172
Weight:
27.23ct
Size:
27 x 20 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
34.97
Item in Stock
More Options & Item Details
ID:
645364
Weight:
27.76ct
Size:
20.1 x 16.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
137.24
Item in Stock
More Options & Item Details
ID:
695450
Weight:
73.43ct
Size:
52.1 x 34.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
70.49
Item in Stock
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ID:
438379
Weight:
13.54ct (total)
Size:
12 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
53.62
Item in Stock
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ID:
521204
Weight:
45.06ct
Size:
30 x 19.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
227.21
Item in Stock
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ID:
605451
Weight:
29.82ct (total)
Size:
20.3 x 13 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
46.45
Item in Stock
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ID:
366561
Weight:
1.13ct
Size:
8.2 x 5.6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
158.66
Item in Stock
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ID:
422964
Weight:
25.67ct (total)
Size:
12 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
27.11
Item in Stock
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ID:
573438
Weight:
0.84ct
Size:
8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
33.26
Item in Stock
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ID:
403388
Weight:
10.11ct
Size:
13 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
42.31
Item in Stock
More Options & Item Details
ID:
645828
Weight:
25.96ct
Size:
40 x 14 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
81.00
Item in Stock
More Options & Item Details
ID:
409936
Weight:
10.12ct
Size:
17.7 x 10.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
345.31
Item in Stock
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ID:
360548
Weight:
7.56ct
Size:
12 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
39.91
Item in Stock
More Options & Item Details
ID:
651036
Weight:
7.04ct
Size:
19.9 x 10 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
29.82
Item in Stock
More Options & Item Details
ID:
694298
Weight:
13.45ct
Size:
21.7 x 15.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
40.36
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
Very good Hoping you will increase your inventory especially in the 6mmThanks
Posted By Ibie in February, 2025
Source: Bizrate
Overall Rating -> 9
It was a good experience looking for and finding a nice amethyst stone
Posted By N/a in May, 2025
Source: Bizrate
Overall Rating -> 10
Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.
Posted By Happy Customer in June, 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
It was easy and to the point
Posted By Victorius in May, 2025
Source: Bizrate
Overall Rating -> 10
Great for buying gemstones, came with authenticity certs. Will buy again someday!
Posted By Uggadugga in May, 2025
Source: Bizrate
Overall Rating -> 10
love these guys been ordering since 2000 maybe
Posted By JHT in April, 2025
Source: Bizrate
Overall Rating -> 10
It was easy to find what I wanted
Posted By Villian in December, 2024
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