Loose Untreated Gemstones: Certified Natural Gems for Collectors and Jewelry, Wholesale Untreated Stones
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Actinolite Cat's Eye (54)
Agate (589)
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Cat's Eye Aquamarine (15)
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Clear All
ID:
675027
Weight:
0.58ct
Size:
8 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
4.18
Item in Stock
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ID:
464389
Weight:
4.48ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
41.40
Item in Stock
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ID:
558074
Weight:
3.81ct
Size:
12 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
28.81
Item in Stock
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ID:
490985
Weight:
9.46ct (total)
Size:
8.5 mm (calibrated)
Clarity:
Opaque
Content:
4 pcs
Price:
$
27.85
Item in Stock
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ID:
545091
Weight:
1.97ct
Size:
9 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
14.69
Item in Stock
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ID:
692452
Weight:
14.18ct
Size:
16 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
119.11
Item in Stock
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ID:
310832
Weight:
4.23ct (total)
Size:
4 mm (calibrated)
Clarity:
VS-SI
Content:
18 pcs
Price:
$
251.27
Item in Stock
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ID:
472632
Weight:
4.09ct
Size:
14 x 12 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
53.99
Item in Stock
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ID:
453763
Weight:
3.06ct
Size:
12 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
28.27
Item in Stock
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ID:
630780
Weight:
17.50ct
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
92.62
Item in Stock
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ID:
714186
Weight:
0.44ct
Size:
4.3 mm
Clarity:
SI
Content:
1 pc
Price:
$
13.20
Item in Stock
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ID:
693014
Weight:
33.69ct
Size:
48.2 x 9.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
12.13
Item in Stock
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ID:
447740
Weight:
35.01ct
Size:
33.4 x 14 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
111.37
Item in Stock
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ID:
656222
Weight:
1.58ct
Size:
8 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
37.92
Item in Stock
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ID:
701959
Weight:
7.07ct
Size:
13 x 9 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
42.42
Item in Stock
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ID:
478207
Weight:
1.16ct
Size:
9.5 x 5.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
153.12
Item in Stock
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ID:
498851
Weight:
0.93ct
Size:
9 x 7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
32.04
Item in Stock
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ID:
744052
Weight:
2.30ct
Size:
10.7 x 5.5 mm
Clarity:
VVS
Content:
1 pc
Price:
$
621.00
Item in Stock
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ID:
693793
Weight:
23.30ct
Size:
24.7 x 21.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
16.21
Item in Stock
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ID:
395022
Weight:
3.36ct
Size:
9.6 x 9.6 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
22.18
Item in Stock
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ID:
424063
Weight:
4.52ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
47.74
Item in Stock
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ID:
546486
Weight:
2.87ct
Size:
8.9 x 8.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
22.73
Item in Stock
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ID:
595008
Weight:
10.79ct (total)
Size:
14 x 10 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
142.43
Item in Stock
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ID:
706480
Weight:
26.72ct
Size:
24.6 x 16.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
54.50
Item in Stock
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ID:
693978
Weight:
2.37ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
78.58
Item in Stock
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ID:
464304
Weight:
3.80ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
35.11
Item in Stock
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ID:
341968
Weight:
4.88ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
10 pcs
Price:
$
43.04
Item in Stock
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ID:
471965
Weight:
1.80ct
Size:
9.3 x 7.8 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
1,188.00
Item in Stock
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ID:
734946
Weight:
6.15ct
Size:
11 x 9 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
36.90
Item in Stock
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ID:
411903
Weight:
1.58ct
Size:
8.3 x 6.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
104.28
Item in Stock
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ID:
647506
Weight:
1.14ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
30.10
Item in Stock
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ID:
443449
Weight:
4.40ct
Size:
11 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
14.47
Item in Stock
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ID:
451689
Weight:
4.10ct (total)
Size:
2.1 mm (calibrated)
Clarity:
VS
Content:
100 pcs
Price:
$
216.48
Item in Stock
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ID:
371501
Weight:
7.47ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VS
Content:
6 pcs
Price:
$
49.31
Item in Stock
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ID:
348357
Weight:
24.58ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
129.78
Item in Stock
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ID:
707930
Weight:
2.71ct
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
4.49
Item in Stock
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ID:
534238
Weight:
2.79ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
22.09
Item in Stock
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ID:
442216
Weight:
1.95ct
Size:
7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
51.48
Item in Stock
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ID:
380948
Weight:
1.14ct
Size:
6.9 x 5.9 mm
Clarity:
VVS
Content:
1 pc
Price:
$
75.24
Item in Stock
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ID:
255625
Weight:
0.79ct (total)
Size:
3.2 mm
Clarity:
VS
Content:
5 pcs
Price:
$
159.64
Item in Stock
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ID:
541605
Weight:
1.44ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
11.40
Item in Stock
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ID:
392923
Weight:
6.37ct (total)
Size:
12 x 8 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
42.05
Item in Stock
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ID:
677928
Weight:
0.97ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
8.15
Item in Stock
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ID:
660573
Weight:
1.92ct
Size:
7 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
4.63
Item in Stock
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ID:
501690
Weight:
75.33ct
Size:
45.1 x 30.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
41.44
Item in Stock
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ID:
692522
Weight:
19.13ct
Size:
18.2 x 14.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
160.69
Item in Stock
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ID:
584125
Weight:
6.13ct
Size:
16.7 x 9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
57.94
Item in Stock
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ID:
398708
Weight:
2.09ct
Size:
8 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
13.80
Item in Stock
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ID:
514444
Weight:
avg. 10.19 ct / each
Size:
15 mm (calibrated)
Clarity:
VVS-VS
Price:
$
44.85
Item in Stock
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1
2
3
4
5
6
7
8
9
10
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15
pcs
ID:
672589
Weight:
1.07ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
25.68
Item in Stock
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ID:
358101
Weight:
2.17ct
Size:
9 x 6 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
57.58
Item in Stock
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ID:
686742
Weight:
0.32ct (total)
Size:
3.9 x 2.9 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
21.12
Item in Stock
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ID:
708494
Weight:
1.77ct
Size:
7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
36.55
Item in Stock
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ID:
660348
Weight:
1.19ct
Size:
7.4 x 6.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
28.56
Item in Stock
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ID:
490331
Weight:
1.56ct
Size:
6.9 x 6.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
125.80
Item in Stock
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ID:
705967
Weight:
1.40ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
11.76
Item in Stock
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ID:
662868
Weight:
3.90ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
VS-SI
Content:
2 pcs
Price:
$
93.60
Item in Stock
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ID:
393407
Weight:
8.64ct
Size:
12.7 x 12.4 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
57.02
Item in Stock
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ID:
721926
Weight:
40.84ct
Size:
35 x 19.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
49.01
Item in Stock
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ID:
436950
Weight:
1.38ct
Size:
6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
36.43
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 -> 9
I think therea's no problem
Posted By Napoleon in August, 2025
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 -> 9
Very easy to navigate with a great selection.
Posted By Bar181 in August, 2025
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Overall Rating -> 10
Enjoy every moment
Posted By Ferns in October, 2025
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Overall Rating -> 9
It was great!
Posted By Annie in September, 2025
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Overall Rating -> 10
So far, my experience was great...Thanks
Posted By Kaydi in May, 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 -> 10
I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.
Posted By DNaber in October, 2025
Source: Bizrate
Overall Rating -> 10
excellent deals-excellent service-fair prices
Posted By JD in April, 2025
Source: Bizrate