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 (562)
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Calcite (71)
Carnelian (23)
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Cat's Eye Aquamarine (15)
Cat's Eye Beryl (3)
Cat's Eye Moonstone (31)
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Cat's Eye Scapolite (78)
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Chocolate Opal (76)
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Chrysoberyl Cat's Eye (53)
Chrysocolla (50)
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Color-Change Diaspore (850)
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Diamond (601)
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Druzy Azurite (13)
Druzy Citrine (45)
Druzy Variscite (130)
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Tiger's Eye Matrix (277)
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Uvarovite Garnet Drusy (68)
Variscite (5)
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ID:
694692
Weight:
0.25ct
Size:
3.9 x 3.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
9.00
Item in Stock
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ID:
367182
Weight:
7.39ct
Size:
14.1 x 9.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
50.24
Item in Stock
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ID:
678007
Weight:
1.04ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
8.74
Item in Stock
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ID:
694761
Weight:
10.83ct
Size:
11.5 x 11.2 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
324.90
Item in Stock
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ID:
704534
Weight:
1.29ct
Size:
9 x 7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
38.70
Item in Stock
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ID:
464286
Weight:
4.37ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
40.38
Item in Stock
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ID:
392271
Weight:
5.62ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
22.26
Item in Stock
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ID:
410356
Weight:
5.56ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
36.70
Item in Stock
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ID:
725308
Weight:
5.74ct
Size:
10.9 x 9.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
6.54
Item in Stock
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ID:
715742
Weight:
0.48ct
Size:
5.5 x 4.2 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
30.53
Item in Stock
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ID:
390075
Weight:
1.03ct
Size:
7.2 x 5.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
66.73
Item in Stock
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ID:
615228
Weight:
6.34ct
Size:
14.8 x 10.5 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
219.94
Item in Stock
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ID:
674892
Weight:
11.93ct
Size:
19.1 x 14.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
30.78
Item in Stock
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ID:
480353
Weight:
1.94ct (total)
Size:
6.2 x 4.3 mm
Clarity:
Translucent
Content:
4 pcs
Price:
$
17.93
Item in Stock
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ID:
658617
Weight:
77.09ct
Size:
42 x 33.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
158.18
Item in Stock
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ID:
414597
Weight:
8.50ct
Size:
12 x 12 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
56.10
Item in Stock
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ID:
499826
Weight:
4.01ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
10 pcs
Price:
$
33.68
Item in Stock
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ID:
464225
Weight:
3.58ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
33.08
Item in Stock
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ID:
644091
Weight:
3.25ct (total)
Size:
7 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
8.58
Item in Stock
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ID:
617775
Weight:
1.66ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
35.29
Item in Stock
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ID:
578706
Weight:
1.26ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
66.53
Item in Stock
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ID:
382731
Weight:
15.50ct
Size:
16.1 x 14.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
328.18
Item in Stock
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ID:
723891
Weight:
7.23ct
Size:
13.6 x 9.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
8.59
Item in Stock
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ID:
715081
Weight:
6.22ct
Size:
11 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
16.13
Item in Stock
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ID:
439743
Weight:
0.97ct
Size:
7 x 4.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
35.86
Item in Stock
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ID:
428699
Weight:
4.99ct
Size:
13.3 x 10.3 mm
Clarity:
VVS
Content:
1 pc
Price:
$
39.52
Item in Stock
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ID:
683023
Weight:
0.55ct
Size:
5.7 x 3.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
8.25
Item in Stock
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ID:
713780
Weight:
1.17ct
Size:
8.2 x 6.4 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
9.83
Item in Stock
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ID:
710178
Weight:
2.98ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
25.03
Item in Stock
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ID:
670807
Weight:
0.41ct
Size:
4.7 x 3.3 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
14.76
Item in Stock
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ID:
498115
Weight:
32.76ct (total)
Size:
20.9 x 14.5 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
44.98
Item in Stock
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ID:
578073
Weight:
28.38ct
Size:
21.7 x 20.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
37.46
Item in Stock
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ID:
394470
Weight:
4.40ct (total)
Size:
8.5 x 8.5 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
29.04
Item in Stock
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ID:
424061
Weight:
5.43ct (total)
Size:
5.3 x 5.1 mm
Clarity:
VS
Content:
10 pcs
Price:
$
57.34
Item in Stock
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ID:
720118
Weight:
1.05ct
Size:
6.7 x 5.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
101.06
Item in Stock
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ID:
533385
Weight:
2.33ct
Size:
9 x 9 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
15.19
Item in Stock
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ID:
365072
Weight:
1.29ct
Size:
13.4 x 3.4 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
33.97
Item in Stock
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ID:
674898
Weight:
5.59ct (total)
Size:
10 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
46.96
Item in Stock
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ID:
724811
Weight:
0.57ct
Size:
9.9 x 2.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
23.94
Item in Stock
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ID:
687081
Weight:
13.99ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
16.79
Item in Stock
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ID:
348928
Weight:
36.14ct
Size:
29.8 x 24.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
47.70
Item in Stock
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ID:
435778
Weight:
7.59ct
Size:
15.2 x 11.1 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
24.84
Item in Stock
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ID:
730210
Weight:
1.71ct
Size:
6.5 x 6.3 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
85.50
Item in Stock
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ID:
496473
Weight:
2.61ct
Size:
9.1 x 7.5 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
54.40
Item in Stock
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ID:
682007
Weight:
8.01ct
Size:
14 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
9.61
Item in Stock
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ID:
708508
Weight:
1.57ct
Size:
7.5 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
32.42
Item in Stock
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ID:
658360
Weight:
23.78ct
Size:
22.8 x 22.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
48.79
Item in Stock
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ID:
734966
Weight:
5.45ct
Size:
11 x 9 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
27.25
Item in Stock
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ID:
350698
Weight:
3.30ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
Transparent
Content:
10 pcs
Price:
$
74.22
Item in Stock
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ID:
495461
Weight:
30.80ct (total)
Size:
18.8 x 13.3 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
43.91
Item in Stock
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ID:
700729
Weight:
12.25ct
Size:
13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
9.80
Item in Stock
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ID:
437763
Weight:
1.40ct
Size:
17.9 x 3.2 mm
Clarity:
VVS
Content:
1 pc
Price:
$
46.20
Item in Stock
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ID:
700066
Weight:
32.69ct
Size:
38.6 x 20.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
27.46
Item in Stock
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ID:
518171
Weight:
9.51ct
Size:
18.9 x 14.6 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
36.28
Item in Stock
More Options & Item Details
ID:
617622
Weight:
25.65ct
Size:
25.2 x 16.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
36.62
Item in Stock
More Options & Item Details
ID:
499337
Weight:
2.60ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
24.02
Item in Stock
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ID:
516183
Weight:
20.16ct
Size:
16 x 12 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
23.68
Item in Stock
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ID:
571929
Weight:
1.24ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
35.71
Item in Stock
More Options & Item Details
ID:
741099
Weight:
1.77ct
Size:
8.6 x 6.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
222.63
Item in Stock
More Options & Item Details
ID:
498976
Weight:
1.58ct
Size:
10 x 7 mm (calibrated)
Clarity:
VVS-VS
Price:
$
14.60
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 -> 8
great experience
Posted By T in December, 2024
Source: Bizrate
Overall Rating -> 9
Nothing bad to report. Everything is as expected. The gems and the price are all very good.
Posted By Dafanatic in August, 2025
Source: Bizrate
Overall Rating -> 10
I found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar
Posted By TheP in January, 2025
Source: Bizrate
Overall Rating -> 10
Great selection of gems at a reasonable price
Posted By Curt in July, 2025
Source: Bizrate
Overall Rating -> 10
It was easy and to the point
Posted By Victorius in May, 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
I am filling a small treasure chest and picked a nice amethyst.
Posted By VinnyD in August, 2025
Source: Bizrate
Overall Rating -> 10
Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!
Posted By Britnee Rose in September, 2025
Source: Bizrate
Overall Rating -> 10
Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.
Posted By Fried Rice in August, 2025
Source: Bizrate