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)
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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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Diamond (611)
Druzy Amethyst (3)
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Druzy Variscite (130)
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Fire Opal (124)
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Tiger's Eye Matrix (274)
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Uvarovite Garnet Drusy (80)
Variscite (4)
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Clear All
ID:
712482
Weight:
4.07ct
Size:
11 x 9 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
10.85
Item in Stock
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ID:
704567
Weight:
1.19ct
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
35.70
Item in Stock
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ID:
327800
Weight:
0.55ct
Size:
6 x 4 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
71.88
Item in Stock
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ID:
621643
Weight:
0.94ct
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
19.76
Item in Stock
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ID:
680792
Weight:
1.01ct
Size:
6 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
30.30
Item in Stock
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ID:
379042
Weight:
19.39ct (total)
Size:
13.7 x 12.9 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
76.79
Item in Stock
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ID:
447136
Weight:
2.02ct
Size:
8.2 x 7 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
95.46
Item in Stock
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ID:
548703
Weight:
1.16ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS-SI
Price:
$
6.96
Item in Stock
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ID:
723740
Weight:
21.16ct
Size:
18 x 14 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
25.14
Item in Stock
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ID:
573142
Weight:
3.81ct (total)
Size:
12 x 6.1 mm
Clarity:
VVS
Content:
2 pcs
Price:
$
40.24
Item in Stock
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ID:
693841
Weight:
1.99ct
Size:
6.8 x 6.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
65.98
Item in Stock
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ID:
734995
Weight:
5.27ct
Size:
11 x 9 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
26.35
Item in Stock
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ID:
658612
Weight:
16.66ct
Size:
15.2 x 14 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
24.40
Item in Stock
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ID:
709800
Weight:
1.23ct
Size:
8 x 4.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
22.03
Item in Stock
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ID:
712806
Weight:
1.27ct
Size:
7.4 x 5.6 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
25.36
Item in Stock
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ID:
367478
Weight:
1.27ct
Size:
10 x 7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
46.63
Item in Stock
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ID:
350528
Weight:
2.90ct (total)
Size:
3 x 3 mm (calibrated)
Clarity:
Transparent
Content:
20 pcs
Price:
$
66.23
Item in Stock
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ID:
545059
Weight:
0.77ct
Size:
6.4 x 4.3 mm
Clarity:
SI-I1
Content:
1 pc
Price:
$
20.33
Item in Stock
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ID:
459839
Weight:
5.87ct
Size:
15 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
54.24
Item in Stock
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ID:
541127
Weight:
6.96ct
Size:
12 x 12 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
10.38
Item in Stock
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ID:
597454
Weight:
1.65ct (total)
Size:
7.9 x 5.7 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
108.90
Item in Stock
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ID:
635856
Weight:
1.16ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
20.88
Item in Stock
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ID:
714481
Weight:
0.40ct
Size:
5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
21.60
Item in Stock
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ID:
732445
Weight:
0.55ct
Size:
5 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
13.20
Item in Stock
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ID:
428268
Weight:
48.37ct
Size:
30.5 x 23.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
42.78
Item in Stock
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ID:
636072
Weight:
7.42ct
Size:
20 x 10 mm (calibrated)
Clarity:
VVS
Price:
$
62.33
Item in Stock
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ID:
582782
Weight:
1.34ct
Size:
8.1 x 6.5 mm
Clarity:
VVS
Content:
1 pc
Price:
$
70.75
Item in Stock
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ID:
660224
Weight:
1.73ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
41.52
Item in Stock
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ID:
669549
Weight:
8.19ct
Size:
15.2 x 12.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
24.58
Item in Stock
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ID:
713724
Weight:
0.84ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
14.11
Item in Stock
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ID:
341409
Weight:
8.32ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VVS
Content:
10 pcs
Price:
$
83.95
Item in Stock
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ID:
464476
Weight:
4.17ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
38.53
Item in Stock
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ID:
737425
Weight:
2.41ct
Size:
8 x 6 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
14.46
Item in Stock
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ID:
684372
Weight:
2.38ct (total)
Size:
6.5 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
3.43
Item in Stock
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ID:
393148
Weight:
4.10ct
Size:
12 x 8 mm (calibrated)
Clarity:
Transparent
Price:
$
27.06
Item in Stock
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ID:
531219
Weight:
10.64ct
Size:
15 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
15.31
Item in Stock
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ID:
481490
Weight:
16.40ct
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
11.70
Item in Stock
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ID:
396130
Weight:
5.46ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
267.74
Item in Stock
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ID:
743159
Weight:
1.79ct
Size:
12 x 6 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
80.55
Item in Stock
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ID:
342025
Weight:
3.86ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
10 pcs
Price:
$
37.45
Item in Stock
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ID:
676049
Weight:
5.76ct
Size:
11 x 11 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
34.56
Item in Stock
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ID:
472935
Weight:
62.15ct (total)
Size:
37.3 x 37.1 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
820.38
Item in Stock
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ID:
694547
Weight:
5.80ct
Size:
15.1 x 9.1 mm
Clarity:
VVS
Content:
1 pc
Price:
$
48.72
Item in Stock
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ID:
541542
Weight:
3.32ct (total)
Size:
7.7 x 6.4 mm
Clarity:
VS-SI
Content:
2 pcs
Price:
$
66.70
Item in Stock
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ID:
435667
Weight:
2.56ct
Size:
10 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
16.90
Item in Stock
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ID:
685708
Weight:
1.48ct
Size:
7.8 x 6.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
27.24
Item in Stock
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ID:
453622
Weight:
5.92ct
Size:
15.1 x 7.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
195.36
Item in Stock
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ID:
639074
Weight:
1.52ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
38.12
Item in Stock
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ID:
447498
Weight:
35.32ct
Size:
15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
93.24
Item in Stock
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ID:
722786
Weight:
0.49ct
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Price:
$
14.70
Item in Stock
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Select
1
2
3
4
5
6
7
pcs 0 in Cart
ID:
406178
Weight:
1.00ct
Size:
6.6 x 5.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
123.68
Item in Stock
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ID:
724983
Weight:
1.09ct
Size:
9.3 x 3.7 mm
Clarity:
VVS
Content:
1 pc
Price:
$
45.78
Item in Stock
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ID:
587309
Weight:
1.60ct
Size:
7.5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
147.84
Item in Stock
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ID:
712318
Weight:
9.82ct
Size:
16 x 12 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
26.16
Item in Stock
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ID:
389928
Weight:
0.83ct
Size:
6.9 x 4.6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
35.86
Item in Stock
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ID:
533396
Weight:
1.69ct
Size:
8 x 8 mm (calibrated)
Clarity:
VVS-VS
Price:
$
12.23
Item in Stock
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Select
1
2
3
pcs 0 in Cart
ID:
474223
Weight:
1.72ct
Size:
8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
15.89
Item in Stock
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ID:
466124
Weight:
4.61ct (total)
Size:
12 x 6.1 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
48.68
Item in Stock
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ID:
484289
Weight:
5.16ct (total)
Size:
7.6 x 5.6 mm
Clarity:
VS
Content:
4 pcs
Price:
$
68.11
Item in Stock
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ID:
552961
Weight:
1.27ct
Size:
8.1 x 6.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
7.64
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 love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!
Posted By Geof in November, 2025
Source: Bizrate
Overall Rating -> 10
The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.
Posted By Jen in December, 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
The stones are very nice.
Posted By Mvk in August, 2025
Source: Bizrate
Overall Rating -> 10
I like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.
Posted By Nate in March, 2025
Source: Bizrate
Overall Rating -> 9
It was a good experience looking for and finding a nice amethyst stone
Posted By N/a in May, 2025
Source: Bizrate
Overall Rating -> 9
Been using them for years! Very satisfied with the products.
Posted By PI SC in May, 2025
Source: Bizrate
Overall Rating -> 10
I'm happy.
Posted By Ray in January, 2025
Source: Bizrate
Overall Rating -> 10
Filters need to be improved but rest of website is great
Posted By Rock hound in December, 2025
Source: Bizrate