Loose Untreated Gemstones: Certified Natural Gems for Collectors and Jewelry, Wholesale Untreated Stones
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Actinolite Cat's Eye (55)
Agate (545)
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Clear All
ID:
577061
Weight:
8.16ct
Size:
16.3 x 9.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
75.40
Item in Stock
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ID:
422007
Weight:
4.87ct
Size:
11 x 9 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
32.15
Item in Stock
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ID:
410657
Weight:
10.22ct (total)
Size:
12 x 10 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
67.45
Item in Stock
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ID:
459655
Weight:
3.92ct
Size:
11 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
31.04
Item in Stock
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ID:
634897
Weight:
1.38ct
Size:
7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
36.43
Item in Stock
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ID:
668825
Weight:
16.78ct
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
100.68
Item in Stock
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ID:
736702
Weight:
1.51ct
Size:
9.5 x 7.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
10.57
Item in Stock
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ID:
734818
Weight:
3.46ct
Size:
9 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
20.76
Item in Stock
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ID:
664219
Weight:
1.02ct
Size:
7.7 x 5.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
11.02
Item in Stock
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ID:
478457
Weight:
1.93ct (total)
Size:
6 mm (calibrated)
Clarity:
Translucent
Content:
3 pcs
Price:
$
89.17
Item in Stock
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ID:
716437
Weight:
12.28ct
Size:
16 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
117.89
Item in Stock
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ID:
688986
Weight:
3.07ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
29.47
Item in Stock
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ID:
363913
Weight:
16.24ct
Size:
31 x 14.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
32.16
Item in Stock
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ID:
687560
Weight:
6.70ct
Size:
12 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
8.04
Item in Stock
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ID:
433892
Weight:
3.09ct
Size:
10 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
28.55
Item in Stock
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ID:
694493
Weight:
28.97ct
Size:
30 x 20.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
31.28
Item in Stock
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ID:
721095
Weight:
1.23ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
10.33
Item in Stock
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ID:
673507
Weight:
20.96ct
Size:
26.1 x 15 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
25.15
Item in Stock
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ID:
729942
Weight:
55.77ct
Size:
38.3 x 27.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
53.54
Item in Stock
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ID:
687712
Weight:
5.91ct
Size:
11 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
17.30
Item in Stock
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ID:
357584
Weight:
3.50ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
5 pcs
Price:
$
23.10
Item in Stock
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ID:
471467
Weight:
33.92ct
Size:
30.1 x 19.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
27.76
Item in Stock
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ID:
531880
Weight:
2.47ct
Size:
9.5 x 9.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
13.04
Item in Stock
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ID:
383639
Weight:
1.53ct
Size:
17.1 x 3.3 mm
Clarity:
VVS
Content:
1 pc
Price:
$
38.57
Item in Stock
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ID:
701088
Weight:
0.60ct
Size:
5 x 5 mm (calibrated)
Clarity:
VVS
Price:
$
5.76
Item in Stock
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Select
1
2
3
pcs 0 in Cart
ID:
385061
Weight:
3.70ct
Size:
11 x 9 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
34.19
Item in Stock
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ID:
673492
Weight:
3.28ct
Size:
12 x 8 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
47.17
Item in Stock
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ID:
674619
Weight:
2.95ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
24.78
Item in Stock
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ID:
531580
Weight:
3.20ct
Size:
10.9 x 6.2 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
190.08
Item in Stock
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ID:
555606
Weight:
1.40ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
36.96
Item in Stock
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ID:
701021
Weight:
0.75ct
Size:
5 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
45.00
Item in Stock
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ID:
447164
Weight:
1.15ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
11.87
Item in Stock
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ID:
543741
Weight:
0.93ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
8.59
Item in Stock
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ID:
678399
Weight:
24.65ct (total)
Size:
26.1 x 13.5 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
29.58
Item in Stock
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ID:
710338
Weight:
9.03ct
Size:
15.5 x 10.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
287.16
Item in Stock
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ID:
532317
Weight:
4.56ct
Size:
15 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
36.12
Item in Stock
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ID:
541531
Weight:
3.35ct (total)
Size:
8 x 6.6 mm
Clarity:
VS-SI
Content:
2 pcs
Price:
$
67.31
Item in Stock
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ID:
600569
Weight:
41.24ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
31.03
Item in Stock
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ID:
344797
Weight:
16.48ct
Size:
18.1 x 12.5 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
29.38
Item in Stock
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ID:
529137
Weight:
9.51ct
Size:
13 x 13 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
13.69
Item in Stock
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ID:
517334
Weight:
23.73ct
Size:
16 x 16 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
27.88
Item in Stock
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ID:
699804
Weight:
1.23ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
11.81
Item in Stock
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ID:
505479
Weight:
2.09ct
Size:
12.2 x 7.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
125.40
Item in Stock
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ID:
586421
Weight:
1.32ct
Size:
7.5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
87.12
Item in Stock
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ID:
742062
Weight:
2.71ct
Size:
12 x 8 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
27.10
Item in Stock
More Options & Item Details
ID:
523174
Weight:
7.86ct
Size:
14.9 x 12.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
62.26
Item in Stock
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ID:
664141
Weight:
1.16ct
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Price:
$
9.74
Item in Stock
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Select
1
2
3
4
pcs 0 in Cart
ID:
505337
Weight:
2.58ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
23.84
Item in Stock
More Options & Item Details
ID:
348908
Weight:
34.98ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
46.18
Item in Stock
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ID:
372492
Weight:
2.15ct
Size:
8.6 x 8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
14.20
Item in Stock
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ID:
676022
Weight:
5.68ct
Size:
17.9 x 10.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
16.15
Item in Stock
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ID:
531981
Weight:
2.35ct
Size:
9 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
12.41
Item in Stock
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ID:
493012
Weight:
5.20ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
37.62
Item in Stock
More Options & Item Details
ID:
437129
Weight:
3.77ct (total)
Size:
8 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
7.48
Item in Stock
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ID:
566180
Weight:
1.67ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
37.98
Item in Stock
More Options & Item Details
ID:
686487
Weight:
2.90ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
3.48
Item in Stock
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ID:
479567
Weight:
2.15ct (total)
Size:
10.1 x 5.1 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
22.70
Item in Stock
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ID:
527845
Weight:
0.93ct (total)
Size:
6.1 x 4.2 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
9.82
Item in Stock
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ID:
724294
Weight:
3.70ct (total)
Size:
8 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
35.52
Item in Stock
More Options & Item Details
ID:
517843
Weight:
1.36ct
Size:
8.4 x 6.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
125.66
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 -> 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
Great website, no hassle, easy check out and found everything I needed quickly
Posted By Chris in September, 2024
Source: Bizrate
Overall Rating -> 9
the gems were smaller than I thought but I was at fault for not reading the complete discrimination
Posted By Tim in May, 2025
Source: Bizrate
Overall Rating -> 10
love the site, the experience and the products.
Posted By Ckingpots in July, 2025
Source: Bizrate
Overall Rating -> 10
I enjoy doing buisness with GemSelect. It is always a pleasure and you get what you ordered!
Posted By Ballpark in December, 2024
Source: Bizrate
Overall Rating -> 10
I have bought from you before and have found your gems exceed my expectations. I have been very satisfied with all gems sent to me. I will be back. Thanks....
Posted By Dork in September, 2024
Source: Bizrate
Overall Rating -> 10
The site provided lots of detail, factual data, and good photos. I also like the availability of searching by price range as well as by the type of stone.
Posted By SLIntuitive Donna in July, 2025
Source: Bizrate
Overall Rating -> 10
It's always a pleasure doing business with Gem Select. Outstanding products ant very reasonable prices. Thank You One and All.
Posted By G.W. or Bakyow in July, 2025
Source: Bizrate
Overall Rating -> 10
All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.
Posted By G.W. in June, 2025
Source: Bizrate