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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Clear All
ID:
715416
Weight:
0.81ct
Size:
6.1 x 4.8 mm
Clarity:
VVS
Content:
1 pc
Price:
$
51.52
Item in Stock
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ID:
605054
Weight:
63.72ct
Size:
35.1 x 26.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
39.54
Item in Stock
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ID:
462003
Weight:
3.75ct (total)
Size:
11.9 x 6 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
44.70
Item in Stock
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ID:
361670
Weight:
12.80ct (total)
Size:
11 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
54.91
Item in Stock
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ID:
357692
Weight:
4.11ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
10 pcs
Price:
$
27.13
Item in Stock
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ID:
715760
Weight:
12.33ct
Size:
15 x 15 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
118.37
Item in Stock
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ID:
733750
Weight:
3.54ct
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
31.99
Item in Stock
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ID:
532563
Weight:
3.59ct
Size:
10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
26.08
Item in Stock
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ID:
565402
Weight:
7.97ct
Size:
18.9 x 11.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
31.56
Item in Stock
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ID:
376593
Weight:
2.72ct
Size:
8.8 x 7.7 mm
Clarity:
Transparent/Translucent
Content:
1 pc
Price:
$
21.14
Item in Stock
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ID:
636443
Weight:
0.81ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
21.38
Item in Stock
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ID:
672424
Weight:
1.40ct
Size:
7.5 x 6.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
33.60
Item in Stock
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ID:
721931
Weight:
16.87ct
Size:
15.9 x 14.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
20.24
Item in Stock
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ID:
348910
Weight:
32.82ct
Size:
28.8 x 25 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
43.32
Item in Stock
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ID:
730469
Weight:
1.58ct
Size:
9.6 x 4.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
94.80
Item in Stock
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ID:
700223
Weight:
20.70ct
Size:
25 x 18 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
17.39
Item in Stock
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ID:
677111
Weight:
5.54ct
Size:
14.1 x 13.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
12.24
Item in Stock
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ID:
690292
Weight:
47.04ct
Size:
21.9 x 21.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
58.80
Item in Stock
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ID:
737695
Weight:
34.61ct
Size:
36.5 x 11 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
3.46
Item in Stock
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ID:
491085
Weight:
6.72ct (total)
Size:
7 mm (calibrated)
Clarity:
Opaque
Content:
4 pcs
Price:
$
19.79
Item in Stock
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ID:
479837
Weight:
3.67ct
Size:
10 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
33.91
Item in Stock
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ID:
551311
Weight:
2.41ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
21.76
Item in Stock
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ID:
713884
Weight:
1.84ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
15.46
Item in Stock
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ID:
694478
Weight:
21.46ct
Size:
18 x 18 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
180.26
Item in Stock
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ID:
737596
Weight:
7.08ct
Size:
11 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
42.48
Item in Stock
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ID:
745429
Weight:
13.07ct
Size:
18.9 x 8.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
27.58
Item in Stock
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ID:
473328
Weight:
0.72ct
Size:
8 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
52.27
Item in Stock
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ID:
435561
Weight:
13.43ct
Size:
18 x 13 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
43.97
Item in Stock
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ID:
567530
Weight:
7.71ct (total)
Size:
11 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
50.89
Item in Stock
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ID:
420278
Weight:
20.76ct
Size:
25 x 18 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
68.51
Item in Stock
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ID:
681795
Weight:
0.97ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
17.46
Item in Stock
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ID:
644195
Weight:
2.42ct
Size:
9 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
58.08
Item in Stock
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ID:
472536
Weight:
42.78ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
23.72
Item in Stock
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ID:
524582
Weight:
1.16ct
Size:
6.4 x 6.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
153.12
Item in Stock
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ID:
414502
Weight:
7.22ct
Size:
11 x 11 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
47.65
Item in Stock
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ID:
364150
Weight:
1.40ct
Size:
18.6 x 3.1 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
37.06
Item in Stock
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ID:
465915
Weight:
3.91ct (total)
Size:
11.8 x 6 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
41.29
Item in Stock
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ID:
400374
Weight:
6.20ct (total)
Size:
11 x 9 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
20.46
Item in Stock
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ID:
505350
Weight:
2.03ct
Size:
9 x 9 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
18.76
Item in Stock
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ID:
710185
Weight:
1.04ct
Size:
6.3 x 5.1 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
18.64
Item in Stock
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ID:
674985
Weight:
16.87ct
Size:
28.3 x 19 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
15.18
Item in Stock
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ID:
439425
Weight:
7.67ct
Size:
12.9 x 11.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
151.87
Item in Stock
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ID:
642781
Weight:
1.16ct
Size:
7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
54.29
Item in Stock
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ID:
625259
Weight:
1.05ct
Size:
6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
21.43
Item in Stock
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ID:
721737
Weight:
55.15ct
Size:
35.4 x 24.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
66.18
Item in Stock
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ID:
721571
Weight:
0.68ct
Size:
6.4 x 4.8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
32.64
Item in Stock
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ID:
664238
Weight:
2.01ct
Size:
9.8 x 6.6 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
9.65
Item in Stock
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ID:
520277
Weight:
3.73ct
Size:
12 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
34.46
Item in Stock
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ID:
647769
Weight:
30.34ct
Size:
19.8 x 16.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
72.82
Item in Stock
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ID:
720082
Weight:
0.66ct
Size:
5.3 x 4.1 mm
Clarity:
VVS
Content:
1 pc
Price:
$
11.88
Item in Stock
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ID:
563571
Weight:
0.98ct
Size:
7.4 x 5.5 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
22.00
Item in Stock
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ID:
490462
Weight:
5.80ct
Size:
14 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
42.11
Item in Stock
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ID:
574314
Weight:
4.82ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
44.53
Item in Stock
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ID:
471349
Weight:
48.33ct
Size:
42.7 x 21.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
93.14
Item in Stock
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ID:
695043
Weight:
40.69ct
Size:
30.7 x 25.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
22.46
Item in Stock
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ID:
726068
Weight:
0.67ct
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
6.43
Item in Stock
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ID:
699561
Weight:
20.76ct
Size:
23.9 x 19.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
17.44
Item in Stock
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ID:
715745
Weight:
0.63ct
Size:
5.4 x 4.6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
40.07
Item in Stock
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ID:
533872
Weight:
2.67ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
24.67
Item in Stock
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ID:
446736
Weight:
5.27ct
Size:
13 x 9 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
17.40
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
Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly
Posted By Ron T in November, 2025
Source: Bizrate
Overall Rating -> 10
easy site to navigate
Posted By Curt's Cabochons in June, 2025
Source: Bizrate
Overall Rating -> 10
Appreciated the selection. Jadeite is hard to find under $100. Website has alot of variety.
Posted By Jess in February, 2025
Source: Bizrate
Overall Rating -> 9
Very easy to navigate with a great selection.
Posted By Bar181 in August, 2025
Source: Bizrate
Overall Rating -> 10
Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.
Posted By Sina in April, 2025
Source: Bizrate
Overall Rating -> 10
Enjoy every moment
Posted By Ferns in October, 2025
Source: Bizrate
Overall Rating -> 10
nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic
Posted By Steve m. in February, 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
Very large selection from affordable to high end I will be coming back to shop again!
Posted By GreenGator in August, 2025
Source: Bizrate