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 Apatite (29)
Cat's Eye Aquamarine (15)
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Chrysoberyl Cat's Eye (55)
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Color-Change Sapphire (6)
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ID:
484090
Weight:
46.96ct
Size:
28.9 x 20.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
84.53
Item in Stock
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ID:
720409
Weight:
1.32ct
Size:
7.3 x 5.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
127.06
Item in Stock
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ID:
385998
Weight:
2.91ct (total)
Size:
4.6 x 4.6 mm
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
19.21
Item in Stock
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ID:
590214
Weight:
1.21ct
Size:
6 x 6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
22.81
Item in Stock
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ID:
482185
Weight:
2.20ct
Size:
8.5 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
15.85
Item in Stock
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ID:
572173
Weight:
1.51ct (total)
Size:
6 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
16.61
Item in Stock
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ID:
384190
Weight:
20.30ct (total)
Size:
16 x 12 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
80.39
Item in Stock
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ID:
688627
Weight:
0.93ct
Size:
7 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
8.93
Item in Stock
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ID:
538242
Weight:
1.71ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
10.26
Item in Stock
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ID:
674457
Weight:
5.77ct (total)
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
48.47
Item in Stock
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ID:
554027
Weight:
25.22ct
Size:
16 x 16 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
30.62
Item in Stock
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ID:
640721
Weight:
1.74ct
Size:
8 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
50.11
Item in Stock
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ID:
694231
Weight:
0.98ct
Size:
8.6 x 4.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
29.40
Item in Stock
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ID:
734757
Weight:
3.32ct
Size:
10 x 8 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
139.44
Item in Stock
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ID:
449691
Weight:
6.64ct (total)
Size:
7.3 x 6.3 mm
Clarity:
Transparent
Content:
4 pcs
Price:
$
43.82
Item in Stock
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ID:
471442
Weight:
28.34ct
Size:
30.8 x 20.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
23.20
Item in Stock
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ID:
712929
Weight:
1.68ct
Size:
9 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
4.48
Item in Stock
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ID:
422591
Weight:
10.08ct
Size:
17.4 x 14.5 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
39.91
Item in Stock
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ID:
682492
Weight:
9.23ct
Size:
14 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
11.08
Item in Stock
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ID:
644869
Weight:
2.17ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
5.21
Item in Stock
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ID:
568976
Weight:
2.03ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
40.36
Item in Stock
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ID:
635362
Weight:
1.92ct
Size:
8.1 x 7.7 mm
Clarity:
VVS
Price:
$
16.13
Item in Stock
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Select
1
2
3
pcs 0 in Cart
ID:
587760
Weight:
1.56ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
41.18
Item in Stock
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ID:
346280
Weight:
2.80ct (total)
Size:
2.3 x 2.3 mm
Clarity:
VVS-VS
Content:
30 pcs
Price:
$
261.80
Item in Stock
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ID:
435754
Weight:
2.15ct
Size:
10 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
14.20
Item in Stock
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ID:
493653
Weight:
6.52ct (total)
Size:
10 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
23.23
Item in Stock
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ID:
491764
Weight:
100.49ct (total)
Size:
24.2 x 21.5 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
118.06
Item in Stock
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ID:
721157
Weight:
0.47ct
Size:
8 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
3.95
Item in Stock
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ID:
648464
Weight:
17.74ct
Size:
28 x 15.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
10.22
Item in Stock
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ID:
448535
Weight:
1.38ct
Size:
7.1 x 5.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
878.02
Item in Stock
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ID:
724896
Weight:
8.24ct
Size:
12 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
9.40
Item in Stock
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ID:
697205
Weight:
31.14ct
Size:
27 x 23.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
21.30
Item in Stock
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ID:
476040
Weight:
3.73ct
Size:
10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
26.18
Item in Stock
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ID:
450013
Weight:
20.04ct (total)
Size:
24.4 x 11 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
52.91
Item in Stock
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ID:
456281
Weight:
2.91ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
26.89
Item in Stock
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ID:
365500
Weight:
1.45ct
Size:
7 x 5.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
53.16
Item in Stock
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ID:
707839
Weight:
9.08ct
Size:
14.9 x 13.1 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
65.38
Item in Stock
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ID:
407291
Weight:
8.52ct
Size:
16 x 12 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
306.72
Item in Stock
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ID:
482354
Weight:
3.01ct (total)
Size:
5.2 x 3.1 mm
Clarity:
VS
Content:
15 pcs
Price:
$
198.66
Item in Stock
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ID:
714356
Weight:
0.52ct
Size:
4.2 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
15.60
Item in Stock
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ID:
731006
Weight:
11.83ct
Size:
25.9 x 13.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
14.48
Item in Stock
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ID:
418296
Weight:
6.28ct
Size:
15 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
12.43
Item in Stock
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ID:
433676
Weight:
6.30ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
41.58
Item in Stock
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ID:
727996
Weight:
0.03ct
Size:
2 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
12.37
Item in Stock
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ID:
394931
Weight:
5.19ct
Size:
10.5 x 10.5 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
34.26
Item in Stock
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ID:
603876
Weight:
2.16ct (total)
Size:
7 x 7 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
18.14
Item in Stock
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ID:
662634
Weight:
25.56ct (total)
Size:
27.3 x 15.8 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
18.10
Item in Stock
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ID:
715445
Weight:
1.16ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
11.14
Item in Stock
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ID:
472862
Weight:
5.70ct
Size:
16 x 10 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
78.92
Item in Stock
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ID:
273242
Weight:
23.44ct
Size:
20.4 x 19.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
61.88
Item in Stock
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ID:
359881
Weight:
24.75ct
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
59.40
Item in Stock
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ID:
472340
Weight:
11.60ct
Size:
15.7 x 13 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
107.18
Item in Stock
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ID:
686716
Weight:
10.74ct (total)
Size:
19.8 x 10.8 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
31.70
Item in Stock
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ID:
592323
Weight:
0.58ct
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
19.14
Item in Stock
More Options & Item Details
ID:
554036
Weight:
19.91ct
Size:
16 x 15.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
24.18
Item in Stock
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ID:
622812
Weight:
3.18ct
Size:
10 x 8 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
49.07
Item in Stock
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ID:
478132
Weight:
29.99ct
Size:
35.3 x 21.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
20.98
Item in Stock
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ID:
346282
Weight:
2.36ct (total)
Size:
2.2 x 2.2 mm
Clarity:
VVS-VS
Content:
30 pcs
Price:
$
264.79
Item in Stock
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ID:
676486
Weight:
4.68ct
Size:
11 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
39.31
Item in Stock
More Options & Item Details
ID:
648261
Weight:
1.07ct
Size:
7 x 5 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
28.25
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 -> 9
If you have motion picture, then I will be more satisfied with.
Posted By Ray in November, 2025
Source: Bizrate
Overall Rating -> 9
I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.
Posted By Jewelry Quality Stones in July, 2025
Source: Bizrate
Overall Rating -> 10
Great selection of gems at a reasonable price
Posted By Curt in July, 2025
Source: Bizrate
Overall Rating -> 8
First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.
Posted By Salvo in July, 2025
Source: Bizrate
Overall Rating -> 10
Very good
Hoping you will increase your inventory especially in the 6mm
Thanks
Posted By Ibie in February, 2025
Source: Bizrate
Overall Rating -> 10
Easy to conduct search, good amount of stock to select from along with variety of prices.
Posted By Que in June, 2025
Source: Bizrate
Overall Rating -> 9
Fast and reliable service.
Posted By Zæck in December, 2025
Source: Bizrate
Overall Rating -> 10
It's mostly good, only some item's are easier to find through the search than the menu
Posted By Wayne in July, 2025
Source: Bizrate