Loose Untreated Gemstones: Certified Natural Gems for Collectors and Jewelry, Wholesale Untreated Stones
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Gemtypes in Category:
Actinolite Cat's Eye (54)
Agate (589)
Agate Geode (15)
Alexandrite (21)
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Carnelian (21)
Cat's Eye Alexandrite (37)
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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Tiger's Eye Matrix (274)
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Uvarovite Garnet Drusy (80)
Variscite (4)
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ID:
549171
Weight:
3.71ct
Size:
11 x 9 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
24.49
Item in Stock
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ID:
693864
Weight:
0.88ct
Size:
7.3 x 5.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
3.17
Item in Stock
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ID:
691588
Weight:
44.28ct
Size:
36.2 x 19 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
43.04
Item in Stock
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ID:
382822
Weight:
1.97ct
Size:
15.6 x 3.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
50.05
Item in Stock
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ID:
687847
Weight:
0.35ct
Size:
6 x 4 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
16.80
Item in Stock
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ID:
446745
Weight:
5.25ct
Size:
13 x 9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
17.32
Item in Stock
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ID:
604481
Weight:
1.93ct
Size:
9 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
50.95
Item in Stock
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ID:
465294
Weight:
4.26ct
Size:
13.9 x 9.5 mm
Clarity:
VVS
Content:
1 pc
Price:
$
37.27
Item in Stock
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ID:
454681
Weight:
34.00ct (total)
Size:
24.2 x 16 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
44.88
Item in Stock
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ID:
731995
Weight:
1.36ct
Size:
9 x 7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
52.22
Item in Stock
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ID:
479547
Weight:
2.78ct (total)
Size:
10 x 5 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
29.35
Item in Stock
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ID:
345664
Weight:
21.48ct
Size:
19.3 x 16.3 mm
Clarity:
Transparent/Translucent
Content:
1 pc
Price:
$
36.85
Item in Stock
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ID:
606930
Weight:
24.91ct (total)
Size:
17.6 x 11.4 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
38.80
Item in Stock
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ID:
699282
Weight:
2.17ct
Size:
7.6 x 7.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
13.02
Item in Stock
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ID:
669733
Weight:
36.45ct
Size:
27.3 x 20.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
109.36
Item in Stock
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ID:
471449
Weight:
33.76ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
27.62
Item in Stock
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ID:
389369
Weight:
1.15ct
Size:
8.6 x 5.8 mm
Clarity:
VVS
Content:
1 pc
Price:
$
75.90
Item in Stock
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ID:
678070
Weight:
5.72ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
7.07
Item in Stock
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ID:
628032
Weight:
9.26ct
Size:
21.4 x 15.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
77.78
Item in Stock
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ID:
732057
Weight:
0.57ct
Size:
5 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
13.68
Item in Stock
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ID:
618774
Weight:
21.64ct (total)
Size:
20 x 15 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
51.94
Item in Stock
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ID:
742848
Weight:
2.10ct
Size:
12 x 6 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
94.50
Item in Stock
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ID:
475822
Weight:
6.32ct
Size:
16 x 12 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
58.39
Item in Stock
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ID:
431494
Weight:
1.69ct
Size:
6 x 6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
40.15
Item in Stock
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ID:
543508
Weight:
0.70ct
Size:
5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
18.97
Item in Stock
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ID:
699833
Weight:
0.78ct
Size:
5.7 x 4.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
33.60
Item in Stock
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ID:
663971
Weight:
1.48ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
31.97
Item in Stock
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ID:
401748
Weight:
0.98ct
Size:
8.4 x 5.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
110.58
Item in Stock
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ID:
605589
Weight:
91.29ct
Size:
37.1 x 28.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
56.64
Item in Stock
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ID:
717971
Weight:
0.07ct (total)
Size:
2 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
67.20
Item in Stock
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ID:
465920
Weight:
4.45ct (total)
Size:
11.8 x 6 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
46.99
Item in Stock
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ID:
713751
Weight:
0.80ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
13.44
Item in Stock
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ID:
674635
Weight:
1.10ct (total)
Size:
8.2 x 4.2 mm
Clarity:
VVS
Content:
2 pcs
Price:
$
7.92
Item in Stock
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ID:
720325
Weight:
1.21ct
Size:
6.9 x 5.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
116.46
Item in Stock
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ID:
308846
Weight:
5.47ct (total)
Size:
10 x 7 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
20.22
Item in Stock
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ID:
364077
Weight:
19.96ct
Size:
18.1 x 16.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
39.52
Item in Stock
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ID:
698515
Weight:
19.90ct
Size:
21.2 x 14.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
19.90
Item in Stock
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ID:
597440
Weight:
1.45ct
Size:
6 x 6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
28.72
Item in Stock
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ID:
715390
Weight:
12.38ct
Size:
18 x 12.1 mm
Clarity:
VVS
Content:
1 pc
Price:
$
118.85
Item in Stock
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ID:
567441
Weight:
0.14ct (total)
Size:
2.7 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
301.54
Item in Stock
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ID:
712549
Weight:
4.20ct
Size:
14 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
11.18
Item in Stock
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ID:
712867
Weight:
5.88ct
Size:
16 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
15.66
Item in Stock
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ID:
733132
Weight:
3.32ct
Size:
10.9 x 5.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
30.00
Item in Stock
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ID:
376647
Weight:
3.29ct
Size:
9.4 x 8.3 mm
Clarity:
Transparent/Translucent
Content:
1 pc
Price:
$
30.40
Item in Stock
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ID:
714030
Weight:
0.42ct
Size:
6.6 x 4.7 mm
Clarity:
SI
Content:
1 pc
Price:
$
22.68
Item in Stock
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ID:
418247
Weight:
5.38ct
Size:
12.6 x 8.5 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
28.40
Item in Stock
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ID:
668452
Weight:
7.69ct
Size:
12.2 x 11.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
46.14
Item in Stock
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ID:
669077
Weight:
18.37ct
Size:
15 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
330.66
Item in Stock
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ID:
613042
Weight:
0.52ct
Size:
4.5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
21.28
Item in Stock
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ID:
689011
Weight:
4.30ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
23.69
Item in Stock
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ID:
338121
Weight:
13.01ct
Size:
17.1 x 12 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
42.92
Item in Stock
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ID:
441121
Weight:
2.30ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
75.23
Item in Stock
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ID:
418290
Weight:
7.16ct
Size:
15 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
14.17
Item in Stock
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ID:
490727
Weight:
5.36ct
Size:
14 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
38.92
Item in Stock
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ID:
721527
Weight:
4.72ct
Size:
10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
5.66
Item in Stock
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ID:
474617
Weight:
33.11ct (total)
Size:
21.4 x 16.3 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
78.67
Item in Stock
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ID:
627871
Weight:
1.25ct
Size:
7.5 x 5.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
45.00
Item in Stock
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ID:
709185
Weight:
3.82ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
25.12
Item in Stock
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ID:
655429
Weight:
1.46ct
Size:
6 x 6 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
2.28
Item in Stock
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ID:
533868
Weight:
2.66ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
24.58
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
Very good
Hoping you will increase your inventory especially in the 6mm
Thanks
Posted By Ibie in February, 2025
Source: Bizrate
Overall Rating -> 10
Enjoy every moment
Posted By Ferns in October, 2025
Source: Bizrate
Overall Rating -> 10
I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well
Posted By Marti in July, 2025
Source: Bizrate
Overall Rating -> 9
I think therea's no problem
Posted By Napoleon in August, 2025
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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
Very large selection from affordable to high end I will be coming back to shop again!
Posted By GreenGator in August, 2025
Source: Bizrate
Overall Rating -> 10
Great for buying gemstones, came with authenticity certs. Will buy again someday!
Posted By Uggadugga in May, 2025
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Overall Rating -> 8
everything was fine
Posted By Marc in January, 2025
Source: Bizrate
Overall Rating -> 9
Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly
Posted By Ron T in November, 2025
Source: Bizrate