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:
597438
Weight:
1.33ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
23.94
Item in Stock
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ID:
518268
Weight:
38.02ct
Size:
24 x 17.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
44.66
Item in Stock
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ID:
547384
Weight:
1.17ct
Size:
6.5 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
7.32
Item in Stock
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ID:
479584
Weight:
5.89ct (total)
Size:
4.5 x 4.5 mm
Clarity:
Translucent
Content:
20 pcs
Price:
$
8.23
Item in Stock
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ID:
578587
Weight:
15.09ct
Size:
23.3 x 16 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
29.88
Item in Stock
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ID:
363997
Weight:
17.32ct
Size:
25 x 18 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
34.30
Item in Stock
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ID:
361815
Weight:
25.94ct (total)
Size:
12 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
34.24
Item in Stock
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ID:
691357
Weight:
0.72ct
Size:
4.9 x 4.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
60.48
Item in Stock
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ID:
342037
Weight:
4.12ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
38.06
Item in Stock
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ID:
386964
Weight:
7.09ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
56.15
Item in Stock
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ID:
636237
Weight:
9.42ct
Size:
16 x 12 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
79.13
Item in Stock
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ID:
474107
Weight:
1.76ct
Size:
8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
16.26
Item in Stock
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ID:
439652
Weight:
8.10ct
Size:
14 x 12 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
160.38
Item in Stock
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ID:
604891
Weight:
5.11ct (total)
Size:
7 x 7 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
7.90
Item in Stock
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ID:
739119
Weight:
1.07ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
9.63
Item in Stock
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ID:
409417
Weight:
7.01ct (total)
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
33.41
Item in Stock
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ID:
585686
Weight:
5.59ct
Size:
14.4 x 11 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
36.90
Item in Stock
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ID:
673981
Weight:
12.29ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
176.82
Item in Stock
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ID:
380366
Weight:
14.17ct
Size:
25.4 x 12.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
28.07
Item in Stock
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ID:
716884
Weight:
1.57ct
Size:
8 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
6,280.00
Item in Stock
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ID:
727465
Weight:
0.27ct
Size:
4.1 x 3.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
11.34
Item in Stock
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ID:
493124
Weight:
4.83ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
34.94
Item in Stock
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ID:
720994
Weight:
0.44ct
Size:
8 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
3.70
Item in Stock
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ID:
479931
Weight:
4.09ct
Size:
10 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
34.36
Item in Stock
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ID:
612266
Weight:
0.55ct
Size:
5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
34.75
Item in Stock
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ID:
450785
Weight:
6.68ct
Size:
13 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
61.73
Item in Stock
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ID:
431635
Weight:
1.48ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
15.61
Item in Stock
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ID:
678855
Weight:
0.95ct
Size:
6.2 x 5.2 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
79.80
Item in Stock
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ID:
603158
Weight:
1.27ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
28.50
Item in Stock
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ID:
745490
Weight:
1.17ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
37.44
Item in Stock
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ID:
479088
Weight:
1.77ct (total)
Size:
10 x 4.9 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
18.70
Item in Stock
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ID:
592890
Weight:
0.84ct
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
33.26
Item in Stock
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ID:
700974
Weight:
0.45ct
Size:
4.5 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
27.00
Item in Stock
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ID:
434854
Weight:
34.65ct
Size:
31.6 x 19.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
45.74
Item in Stock
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ID:
701518
Weight:
22.86ct
Size:
17.3 x 15.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
137.16
Item in Stock
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ID:
414901
Weight:
6.65ct
Size:
11 x 11 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
43.90
Item in Stock
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ID:
714088
Weight:
1.33ct (total)
Size:
5 mm (calibrated)
Clarity:
SI
Content:
2 pcs
Price:
$
39.90
Item in Stock
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ID:
498894
Weight:
2.04ct (total)
Size:
5 x 4 mm (calibrated)
Clarity:
VS-SI
Content:
4 pcs
Price:
$
269.28
Item in Stock
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ID:
529698
Weight:
11.87ct
Size:
18 x 14.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
28.12
Item in Stock
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ID:
700478
Weight:
0.53ct
Size:
4.5 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
31.80
Item in Stock
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ID:
485886
Weight:
6.83ct
Size:
13.6 x 11.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
57.37
Item in Stock
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ID:
513253
Weight:
0.83ct
Size:
6.4 x 4.9 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
60.26
Item in Stock
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ID:
377731
Weight:
3.90ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
99.92
Item in Stock
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ID:
475499
Weight:
6.37ct
Size:
16 x 12 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
58.86
Item in Stock
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ID:
478133
Weight:
27.42ct
Size:
35.1 x 20.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
19.18
Item in Stock
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ID:
363149
Weight:
40.10ct
Size:
24.6 x 20.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
79.40
Item in Stock
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ID:
542991
Weight:
7.66ct
Size:
13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
118.60
Item in Stock
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ID:
732811
Weight:
0.76ct
Size:
5 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
18.24
Item in Stock
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ID:
539887
Weight:
1.15ct
Size:
6 x 6 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
23.24
Item in Stock
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ID:
522141
Weight:
24.87ct
Size:
30.3 x 23.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
25.28
Item in Stock
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ID:
658159
Weight:
7.65ct
Size:
14 x 12 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
9.18
Item in Stock
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ID:
683982
Weight:
2.10ct (total)
Size:
6 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
3.02
Item in Stock
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ID:
697528
Weight:
5.85ct
Size:
15.2 x 9.1 mm
Clarity:
VVS
Content:
1 pc
Price:
$
42.12
Item in Stock
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ID:
649871
Weight:
8.35ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
5.92
Item in Stock
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ID:
524806
Weight:
50.90ct
Size:
33 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
221.05
Item in Stock
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ID:
418588
Weight:
5.97ct
Size:
16.4 x 10.8 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
11.83
Item in Stock
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ID:
681984
Weight:
11.68ct
Size:
15.7 x 12.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
70.08
Item in Stock
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ID:
699276
Weight:
1.62ct
Size:
6.8 x 6.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
9.72
Item in Stock
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ID:
325566
Weight:
1.45ct (total)
Size:
3.7 mm
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
174.00
Item in Stock
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ID:
712787
Weight:
10.20ct
Size:
16 x 12 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
27.17
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
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
excellent deals-excellent service-fair prices
Posted By JD in April, 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
Overall Rating -> 10
I found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar
Posted By TheP in January, 2025
Source: Bizrate
Overall Rating -> 8
everything was fine
Posted By Marc in January, 2025
Source: Bizrate
Overall Rating -> 10
A pleasant experience and many choices to choose from
Posted By Krackenking in November, 2025
Source: Bizrate
Overall Rating -> 10
I have been very happy with my prior purchases and enjoy the website experience.
Posted By Trouble in November, 2025
Source: Bizrate
Overall Rating -> 8
Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use
Posted By DrD in May, 2025
Source: Bizrate
Overall Rating -> 10
I am filling a small treasure chest and picked a nice amethyst.
Posted By VinnyD in August, 2025
Source: Bizrate