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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Carnelian (21)
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Cat's Eye Apatite (29)
Cat's Eye Aquamarine (15)
Cat's Eye Beryl (3)
Cat's Eye Moonstone (29)
Cat's Eye Opal (166)
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Cavansite (36)
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Clinohumite (30)
Color-Change Diaspore (834)
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Color-Change Sapphire (6)
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Druzy Variscite (130)
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ID:
704359
Weight:
6.33ct
Size:
12 x 10 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
832.14
Item in Stock
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ID:
463009
Weight:
4.31ct
Size:
13.8 x 9.6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
34.14
Item in Stock
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ID:
442372
Weight:
1.94ct
Size:
7 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
51.22
Item in Stock
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ID:
640458
Weight:
0.90ct
Size:
5.6 x 5.1 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
5.94
Item in Stock
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ID:
608161
Weight:
4.80ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
88.70
Item in Stock
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ID:
705834
Weight:
1.45ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
12.18
Item in Stock
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ID:
721359
Weight:
10.38ct
Size:
13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
12.46
Item in Stock
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ID:
720986
Weight:
20.80ct
Size:
21 x 14.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
24.96
Item in Stock
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ID:
693895
Weight:
45.92ct
Size:
32.9 x 22.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
31.96
Item in Stock
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ID:
719064
Weight:
3.86ct
Size:
8.9 x 8.4 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
115.80
Item in Stock
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ID:
696594
Weight:
13.25ct
Size:
20.8 x 10.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
23.86
Item in Stock
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ID:
713881
Weight:
2.05ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
17.22
Item in Stock
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ID:
364002
Weight:
18.80ct
Size:
25 x 18 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
37.22
Item in Stock
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ID:
609393
Weight:
5.03ct
Size:
11.5 x 9.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
51.46
Item in Stock
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ID:
625166
Weight:
1.14ct
Size:
8.2 x 6.3 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
30.10
Item in Stock
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ID:
561751
Weight:
4.31ct
Size:
12 x 10 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
227.57
Item in Stock
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ID:
712347
Weight:
3.49ct
Size:
12 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
9.30
Item in Stock
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ID:
648938
Weight:
7.15ct
Size:
12 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
18.62
Item in Stock
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ID:
518174
Weight:
5.79ct
Size:
17.3 x 11.8 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
22.08
Item in Stock
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ID:
736508
Weight:
13.08ct
Size:
20.6 x 15.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
15.43
Item in Stock
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ID:
393592
Weight:
5.75ct
Size:
11 x 11 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
37.96
Item in Stock
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ID:
660571
Weight:
1.79ct
Size:
7 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
4.32
Item in Stock
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ID:
450561
Weight:
4.73ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
43.70
Item in Stock
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ID:
494327
Weight:
3.65ct (total)
Size:
10 x 7 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
13.06
Item in Stock
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ID:
561924
Weight:
0.80ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
6.08
Item in Stock
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ID:
474092
Weight:
4.89ct
Size:
11 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
45.18
Item in Stock
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ID:
597760
Weight:
8.04ct
Size:
19.7 x 11.8 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
106.13
Item in Stock
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ID:
460360
Weight:
3.40ct
Size:
11.2 x 8.2 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
37.40
Item in Stock
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ID:
647349
Weight:
0.89ct
Size:
8 x 6 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
32.04
Item in Stock
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ID:
730482
Weight:
2.69ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
24.08
Item in Stock
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ID:
548168
Weight:
1.90ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
38.51
Item in Stock
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ID:
414902
Weight:
6.62ct
Size:
11 x 11 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
43.69
Item in Stock
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ID:
357810
Weight:
3.91ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
10 pcs
Price:
$
25.81
Item in Stock
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ID:
572783
Weight:
0.98ct
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
38.81
Item in Stock
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ID:
734755
Weight:
5.46ct
Size:
12.4 x 10.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
229.32
Item in Stock
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ID:
334758
Weight:
8.89ct (total)
Size:
10 x 10 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
58.68
Item in Stock
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ID:
662867
Weight:
6.08ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
VS-SI
Content:
2 pcs
Price:
$
145.92
Item in Stock
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ID:
648322
Weight:
3.74ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
31.42
Item in Stock
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ID:
551168
Weight:
2.50ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
23.10
Item in Stock
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ID:
428651
Weight:
4.99ct
Size:
12.7 x 12.1 mm
Clarity:
VVS
Content:
1 pc
Price:
$
39.52
Item in Stock
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ID:
744232
Weight:
4.87ct
Size:
13.4 x 11.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
19.09
Item in Stock
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ID:
518305
Weight:
33.91ct
Size:
21.5 x 13.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
39.84
Item in Stock
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ID:
742954
Weight:
45.08ct
Size:
36.5 x 25.4 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
45.08
Item in Stock
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ID:
658606
Weight:
25.96ct
Size:
18.3 x 18 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
38.00
Item in Stock
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ID:
388353
Weight:
4.66ct (total)
Size:
4.6 x 4.6 mm
Clarity:
VVS-VS
Content:
10 pcs
Price:
$
30.76
Item in Stock
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ID:
706822
Weight:
1.45ct
Size:
10 x 5 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
3.48
Item in Stock
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ID:
546640
Weight:
3.07ct
Size:
11 x 9 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
24.31
Item in Stock
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ID:
697231
Weight:
35.24ct
Size:
36.8 x 11 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
4.22
Item in Stock
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ID:
522429
Weight:
24.26ct
Size:
28.3 x 17.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
111.20
Item in Stock
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ID:
479512
Weight:
14.13ct (total)
Size:
17.5 x 11.8 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
25.74
Item in Stock
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ID:
737612
Weight:
6.35ct
Size:
12 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
38.10
Item in Stock
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ID:
431074
Weight:
2.77ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VS-SI
Content:
2 pcs
Price:
$
65.82
Item in Stock
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ID:
324254
Weight:
6.46ct
Size:
12 x 12 mm (calibrated)
Clarity:
Transparent/Translucent
Content:
1 pc
Price:
$
21.32
Item in Stock
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ID:
649037
Weight:
2.17ct
Size:
10 x 8.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
12.47
Item in Stock
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ID:
725717
Weight:
1.56ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
14.98
Item in Stock
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ID:
491705
Weight:
48.28ct (total)
Size:
18 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
56.72
Item in Stock
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ID:
718183
Weight:
1.03ct
Size:
6 x 5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
30.90
Item in Stock
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ID:
417583
Weight:
1.79ct (total)
Size:
4.5 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
73.25
Item in Stock
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ID:
394380
Weight:
6.79ct
Size:
12 x 12 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
44.82
Item in Stock
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ID:
718269
Weight:
0.75ct
Size:
6 x 4 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
22.50
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
Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.
Posted By JD in July, 2025
Source: Bizrate
Overall Rating -> 10
IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.
Posted By YE in October, 2025
Source: Bizrate
Overall Rating -> 10
easy site to navigate
Posted By Curt's Cabochons in June, 2025
Source: Bizrate
Overall Rating -> 10
Site is easy to navigate and the variety is great and how often new products are added is also great.
Posted By Jhidron in March, 2025
Source: Bizrate
Overall Rating -> 10
looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones.
.
Posted By Steven M. in February, 2025
Source: Bizrate
Overall Rating -> 10
I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.
Posted By Desertchick in March, 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'm happy.
Posted By Ray in January, 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