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 (36)
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)
Chalcedony (203)
Charoite (122)
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Chrysoberyl Cat's Eye (55)
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Clinohumite (30)
Color-Change Diaspore (834)
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Color-Change Sapphire (4)
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Tiger's Eye Matrix (274)
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Clear All
ID:
564617
Weight:
0.25ct
Size:
4 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
549.89
Item in Stock
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ID:
686130
Weight:
5.80ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
6.96
Item in Stock
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ID:
745980
Weight:
2.30ct
Size:
9 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
74.29
Item in Stock
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ID:
475855
Weight:
24.77ct
Size:
29.8 x 20.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
49.06
Item in Stock
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ID:
413551
Weight:
10.74ct
Size:
13 x 13 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
35.45
Item in Stock
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ID:
649873
Weight:
9.26ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
6.55
Item in Stock
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ID:
647774
Weight:
33.71ct
Size:
19.7 x 17.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
80.90
Item in Stock
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ID:
516611
Weight:
20.88ct
Size:
16 x 16 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
22.30
Item in Stock
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ID:
698767
Weight:
3.52ct (total)
Size:
7.3 x 6.6 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
21.12
Item in Stock
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ID:
711052
Weight:
30.84ct
Size:
27 x 20 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
55.51
Item in Stock
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ID:
687730
Weight:
13.64ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
16.37
Item in Stock
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ID:
555319
Weight:
27.58ct
Size:
16 x 16 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
33.49
Item in Stock
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ID:
456539
Weight:
1.68ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
15.53
Item in Stock
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ID:
590216
Weight:
1.37ct
Size:
6 x 6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
25.82
Item in Stock
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ID:
687100
Weight:
9.29ct (total)
Size:
14 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
27.42
Item in Stock
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ID:
699102
Weight:
3.11ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
26.12
Item in Stock
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ID:
505331
Weight:
2.14ct
Size:
9 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
19.78
Item in Stock
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ID:
673563
Weight:
13.57ct
Size:
21.8 x 10.6 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
244.26
Item in Stock
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ID:
685926
Weight:
30.21ct
Size:
29.9 x 20.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
16.31
Item in Stock
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ID:
700477
Weight:
0.47ct
Size:
4.5 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
28.20
Item in Stock
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ID:
737532
Weight:
2.01ct
Size:
9 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
90.45
Item in Stock
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ID:
486798
Weight:
41.84ct
Size:
25.2 x 19 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
60.74
Item in Stock
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ID:
482250
Weight:
1.90ct
Size:
8.5 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
11.41
Item in Stock
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ID:
735804
Weight:
23.92ct
Size:
29.4 x 16.8 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
19.80
Item in Stock
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ID:
628391
Weight:
16.83ct
Size:
23.2 x 16 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
100.98
Item in Stock
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ID:
447921
Weight:
23.26ct
Size:
26.4 x 18.3 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
74.00
Item in Stock
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ID:
729888
Weight:
4.46ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
39.92
Item in Stock
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ID:
433555
Weight:
4.51ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
29.77
Item in Stock
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ID:
721507
Weight:
31.68ct
Size:
33 x 18.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
38.02
Item in Stock
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ID:
410042
Weight:
5.78ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
38.15
Item in Stock
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ID:
713656
Weight:
20.06ct
Size:
20 x 15 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
168.50
Item in Stock
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ID:
445899
Weight:
6.03ct
Size:
13 x 10 mm
Clarity:
VVS
Content:
1 pc
Price:
$
44.03
Item in Stock
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ID:
552999
Weight:
7.50ct (total)
Size:
9 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
39.60
Item in Stock
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ID:
699145
Weight:
19.86ct
Size:
20.1 x 16.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
23.83
Item in Stock
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ID:
448737
Weight:
17.54ct
Size:
19.9 x 13.8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
57.89
Item in Stock
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ID:
348564
Weight:
2.36ct
Size:
20.9 x 3.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
77.88
Item in Stock
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ID:
685656
Weight:
0.53ct (total)
Size:
2.9 x 2.6 mm
Clarity:
VVS
Content:
7 pcs
Price:
$
2,601.61
Item in Stock
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ID:
700220
Weight:
30.95ct
Size:
27.9 x 16 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
26.00
Item in Stock
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ID:
459862
Weight:
3.81ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
35.21
Item in Stock
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ID:
357721
Weight:
3.63ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VS
Content:
5 pcs
Price:
$
23.96
Item in Stock
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ID:
446964
Weight:
31.86ct (total)
Size:
23.1 x 17.9 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
76.46
Item in Stock
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ID:
550852
Weight:
10.66ct
Size:
20.8 x 11.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
16.04
Item in Stock
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ID:
418354
Weight:
8.48ct
Size:
16.4 x 10.6 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
16.79
Item in Stock
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ID:
605869
Weight:
19.30ct
Size:
20.3 x 18.6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
178.33
Item in Stock
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ID:
696221
Weight:
20.96ct
Size:
23.4 x 19.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
12.58
Item in Stock
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ID:
463492
Weight:
1.43ct
Size:
7.1 x 5.2 mm
Clarity:
VVS
Content:
1 pc
Price:
$
28.32
Item in Stock
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ID:
431547
Weight:
2.85ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
30.06
Item in Stock
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ID:
726058
Weight:
0.39ct
Size:
5 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
3.74
Item in Stock
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ID:
490403
Weight:
1.34ct
Size:
10 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
49.27
Item in Stock
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ID:
715362
Weight:
0.79ct
Size:
6.5 x 4.2 mm
Clarity:
VVS
Content:
1 pc
Price:
$
50.24
Item in Stock
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ID:
706500
Weight:
6.86ct
Size:
12 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
13.99
Item in Stock
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ID:
663445
Weight:
1.07ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
20.54
Item in Stock
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ID:
722661
Weight:
10.21ct
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
85.76
Item in Stock
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ID:
697115
Weight:
2.71ct
Size:
13.3 x 9.6 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
68.43
Item in Stock
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ID:
691208
Weight:
1.20ct
Size:
9 x 7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
64.80
Item in Stock
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ID:
474914
Weight:
4.16ct
Size:
11 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
38.44
Item in Stock
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ID:
728199
Weight:
0.65ct
Size:
5 x 4.4 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
3.90
Item in Stock
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ID:
686609
Weight:
3.51ct
Size:
10 x 8 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
4.21
Item in Stock
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ID:
569743
Weight:
3.88ct (total)
Size:
8 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
28.58
Item in Stock
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ID:
546746
Weight:
1.28ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
10.14
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
I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.
Posted By Sam in March, 2025
Source: Bizrate
Overall Rating -> 10
So far, my experience was great...Thanks
Posted By Kaydi in May, 2025
Source: Bizrate
Overall Rating -> 10
No problems. I had a minor address issue in the past and someone got back to me very quickly and we resolved the issue satisfactorily. I appreciated the quick, concerned response. So important when buyer/seller are so far apart in distance. Thank you Gem Select. Keep up the good work!
Posted By Orphanboy in December, 2025
Source: Bizrate
Overall Rating -> 10
I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.
Posted By Dia 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 -> 8
I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.
Posted By Atsu in December, 2025
Source: Bizrate
Overall Rating -> 10
It was my second time so I understand what it is to do
Posted By Ibie in February, 2025
Source: Bizrate
Overall Rating -> 10
hassle free experience.
Posted By Jhidron in October, 2025
Source: Bizrate
Overall Rating -> 10
I love the quality, package and info of your gems.
Posted By Diana in April, 2025
Source: Bizrate