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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Tiger's Eye Matrix (274)
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Uvarovite Garnet Drusy (80)
Variscite (4)
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Clear All
ID:
436647
Weight:
4.85ct
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
15.74
Item in Stock
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ID:
713719
Weight:
1.05ct
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
7.35
Item in Stock
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ID:
735122
Weight:
0.61ct
Size:
5.5 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
36.60
Item in Stock
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ID:
486425
Weight:
20.71ct
Size:
40.2 x 14.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
21.06
Item in Stock
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ID:
606035
Weight:
10.84ct
Size:
16 x 12 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
16.74
Item in Stock
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ID:
573139
Weight:
4.13ct (total)
Size:
12.1 x 6.1 mm
Clarity:
VVS
Content:
2 pcs
Price:
$
43.61
Item in Stock
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ID:
658738
Weight:
19.70ct
Size:
17.9 x 16.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
28.84
Item in Stock
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ID:
553135
Weight:
1.65ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
37.30
Item in Stock
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ID:
745194
Weight:
8.86ct
Size:
15.9 x 7.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
18.69
Item in Stock
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ID:
548383
Weight:
13.38ct (total)
Size:
12 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
50.16
Item in Stock
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ID:
527699
Weight:
1.11ct (total)
Size:
4.2 x 4.2 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
10.26
Item in Stock
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ID:
416353
Weight:
0.94ct
Size:
16.5 x 2.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
29.78
Item in Stock
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ID:
500834
Weight:
7.18ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
55.64
Item in Stock
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ID:
717004
Weight:
27.92ct
Size:
27.5 x 20.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
53.27
Item in Stock
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ID:
644767
Weight:
4.14ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
23.50
Item in Stock
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ID:
392713
Weight:
14.04ct (total)
Size:
14 x 10 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
77.22
Item in Stock
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ID:
669554
Weight:
7.23ct
Size:
13.9 x 13.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
21.70
Item in Stock
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ID:
677848
Weight:
1.04ct
Size:
4.7 x 4.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
713.81
Item in Stock
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ID:
712442
Weight:
1.43ct
Size:
10 x 5 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
3.80
Item in Stock
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ID:
582884
Weight:
8.90ct
Size:
16.2 x 11.1 mm
Clarity:
VVS
Content:
1 pc
Price:
$
70.49
Item in Stock
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ID:
696442
Weight:
47.54ct
Size:
36.3 x 27.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
85.57
Item in Stock
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ID:
476878
Weight:
33.08ct
Size:
18.3 x 15.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
130.99
Item in Stock
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ID:
721539
Weight:
0.58ct
Size:
8 x 4 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
10.44
Item in Stock
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ID:
382750
Weight:
1.16ct
Size:
19.1 x 2.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
29.47
Item in Stock
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ID:
565262
Weight:
22.00ct
Size:
27.6 x 12.9 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
16.55
Item in Stock
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ID:
379815
Weight:
2.31ct (total)
Size:
4 mm (calibrated)
Clarity:
VS
Content:
6 pcs
Price:
$
130.88
Item in Stock
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ID:
567473
Weight:
0.18ct (total)
Size:
3 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
387.70
Item in Stock
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ID:
645433
Weight:
1.49ct
Size:
9.1 x 3.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
21.49
Item in Stock
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ID:
546475
Weight:
1.17ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
9.26
Item in Stock
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ID:
686076
Weight:
0.18ct (total)
Size:
2.6 x 2.5 mm
Clarity:
VS
Content:
2 pcs
Price:
$
8.64
Item in Stock
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ID:
386582
Weight:
12.02ct (total)
Size:
18.3 x 8.2 mm
Clarity:
Translucent
Content:
4 pcs
Price:
$
106.93
Item in Stock
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ID:
687092
Weight:
9.27ct (total)
Size:
24.3 x 11.8 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
27.36
Item in Stock
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ID:
734976
Weight:
9.78ct (total)
Size:
11 x 9 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
48.90
Item in Stock
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ID:
630774
Weight:
14.55ct
Size:
21 x 11.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
77.00
Item in Stock
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ID:
621527
Weight:
1.42ct
Size:
7.9 x 6.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
29.86
Item in Stock
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ID:
713920
Weight:
0.88ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
14.78
Item in Stock
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ID:
514952
Weight:
12.70ct
Size:
16 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
18.61
Item in Stock
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ID:
622087
Weight:
2.30ct
Size:
8 x 8 mm (calibrated)
Clarity:
VS
Price:
$
21.25
Item in Stock
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ID:
743065
Weight:
2.70ct
Size:
12 x 8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
121.50
Item in Stock
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ID:
604501
Weight:
1.12ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
10.34
Item in Stock
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ID:
743344
Weight:
3.38ct
Size:
12 x 8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
152.10
Item in Stock
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ID:
416145
Weight:
1.44ct
Size:
11.4 x 3.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
45.62
Item in Stock
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ID:
453169
Weight:
1.44ct
Size:
7.7 x 6.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
161.57
Item in Stock
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ID:
706861
Weight:
3.86ct (total)
Size:
8 x 8 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
9.26
Item in Stock
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ID:
544414
Weight:
1.18ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
8.81
Item in Stock
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ID:
430239
Weight:
2.54ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
16.76
Item in Stock
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ID:
728212
Weight:
2.73ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
6.55
Item in Stock
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ID:
461070
Weight:
2.63ct
Size:
9 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
24.30
Item in Stock
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ID:
453777
Weight:
4.56ct
Size:
13 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
42.13
Item in Stock
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ID:
683200
Weight:
6.99ct
Size:
14.7 x 9.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
64.75
Item in Stock
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ID:
725176
Weight:
11.37ct
Size:
14.6 x 12.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
12.96
Item in Stock
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ID:
406817
Weight:
13.63ct
Size:
15.6 x 12.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
53.98
Item in Stock
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ID:
505354
Weight:
2.33ct
Size:
9 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
21.53
Item in Stock
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ID:
691375
Weight:
1.87ct
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
100.98
Item in Stock
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ID:
457226
Weight:
1.63ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
15.06
Item in Stock
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ID:
574267
Weight:
3.06ct
Size:
8 x 6.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
28.27
Item in Stock
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ID:
694311
Weight:
15.66ct
Size:
23.1 x 16.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
46.98
Item in Stock
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ID:
533505
Weight:
1.98ct
Size:
9 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
12.91
Item in Stock
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ID:
663347
Weight:
20.45ct (total)
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
14.48
Item in Stock
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ID:
519985
Weight:
27.67ct
Size:
18.6 x 17.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
32.51
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
love these guys been ordering since 2000 maybe
Posted By JHT in April, 2025
Source: Bizrate
Overall Rating -> 9
I love the gems!
Posted By MM in April, 2025
Source: Bizrate
Overall Rating -> 10
I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.
Posted By Tim in March, 2025
Source: Bizrate
Overall Rating -> 10
I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring
Posted By Desertchick in April, 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 -> 9
Nothing bad to report. Everything is as expected. The gems and the price are all very good.
Posted By Dafanatic in August, 2025
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Overall Rating -> 10
It was easy to navigate
Posted By GemGod in July, 2025
Source: Bizrate
Overall Rating -> 10
Enjoyed shopping.
Posted By Chris in March, 2025
Source: Bizrate
Overall Rating -> 10
this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.
Posted By Tommyp in November, 2025
Source: Bizrate