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)
Almandine Garnet (475)
Amazonite (259)
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Beryl (639)
Black Opal (6)
Bloodstone (190)
Boulder Opal (271)
Calcite (71)
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)
Cat's Eye Scapolite (78)
Cavansite (36)
Chalcedony (203)
Charoite (122)
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Chrome Diopside (101)
Chrysoberyl (93)
Chrysoberyl Cat's Eye (55)
Chrysocolla (50)
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Clinohumite (30)
Color-Change Diaspore (834)
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Color-Change Garnet (190)
Color-Change Sapphire (6)
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Dendritic Agate (199)
Diamond (611)
Druzy Amethyst (3)
Druzy Azurite (13)
Druzy Citrine (44)
Druzy Variscite (130)
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Fire Opal (124)
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Fossil Coral (316)
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Tiger's Eye Matrix (274)
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Tsavorite Garnet (175)
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Uvarovite Garnet Drusy (80)
Variscite (4)
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ID:
499825
Weight:
3.84ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
10 pcs
Price:
$
35.48
Item in Stock
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ID:
694909
Weight:
1.52ct
Size:
6.5 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
23.29
Item in Stock
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ID:
636634
Weight:
3.04ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
87.55
Item in Stock
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ID:
735252
Weight:
2.46ct
Size:
9 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
98.40
Item in Stock
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ID:
516348
Weight:
1.55ct
Size:
6.7 x 6.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
147.31
Item in Stock
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ID:
518269
Weight:
41.45ct
Size:
24.9 x 19.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
48.70
Item in Stock
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ID:
688420
Weight:
1.45ct
Size:
7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
4.25
Item in Stock
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ID:
483532
Weight:
1.39ct
Size:
7 x 5.6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
110.09
Item in Stock
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ID:
427899
Weight:
2.38ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
15.71
Item in Stock
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ID:
747688
Weight:
7.16ct
Size:
11 x 9 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
7,876.00
Item in Stock
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ID:
650203
Weight:
10.04ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
7.10
Item in Stock
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ID:
714196
Weight:
0.83ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
44.82
Item in Stock
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ID:
471541
Weight:
4.42ct
Size:
11 x 10.3 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
45.80
Item in Stock
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ID:
465222
Weight:
4.91ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
42.97
Item in Stock
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ID:
696451
Weight:
42.03ct
Size:
37.5 x 12.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
4.20
Item in Stock
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ID:
533978
Weight:
3.55ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
32.81
Item in Stock
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ID:
719561
Weight:
0.79ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
6.64
Item in Stock
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ID:
640592
Weight:
1.69ct
Size:
8 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
48.67
Item in Stock
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ID:
399326
Weight:
1.82ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
103.31
Item in Stock
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ID:
712150
Weight:
7.45ct (total)
Size:
12 x 8 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
19.85
Item in Stock
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ID:
718522
Weight:
11.32ct
Size:
15.8 x 14 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
5.84
Item in Stock
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ID:
368080
Weight:
5.30ct (total)
Size:
7.5 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
31.55
Item in Stock
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ID:
691193
Weight:
0.63ct
Size:
4.8 x 4.5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
52.92
Item in Stock
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ID:
501825
Weight:
1.83ct
Size:
10 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
14.50
Item in Stock
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ID:
490656
Weight:
9.12ct
Size:
14.7 x 12.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
60.19
Item in Stock
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ID:
668702
Weight:
0.85ct
Size:
5.5 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
816.00
Item in Stock
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ID:
638602
Weight:
3.00ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
14.87
Item in Stock
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ID:
571167
Weight:
0.87ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
8.04
Item in Stock
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ID:
513391
Weight:
0.82ct
Size:
5.7 x 5.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
59.18
Item in Stock
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ID:
646970
Weight:
2.20ct
Size:
10 x 8 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
79.20
Item in Stock
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ID:
697692
Weight:
11.51ct (total)
Size:
15.2 x 9.1 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
82.87
Item in Stock
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ID:
321930
Weight:
36.09ct
Size:
29.8 x 18.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
333.47
Item in Stock
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ID:
328242
Weight:
14.37ct (total)
Size:
12 x 12 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
94.85
Item in Stock
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ID:
737902
Weight:
1.43ct
Size:
7 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
7.91
Item in Stock
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ID:
687819
Weight:
3.57ct
Size:
10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
3.57
Item in Stock
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ID:
464306
Weight:
3.98ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
36.78
Item in Stock
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ID:
395978
Weight:
11.33ct
Size:
15 x 15 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
23.77
Item in Stock
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ID:
479599
Weight:
2.56ct (total)
Size:
10.1 x 5.1 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
27.04
Item in Stock
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ID:
712410
Weight:
12.52ct
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
33.35
Item in Stock
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ID:
518630
Weight:
1.75ct
Size:
11.6 x 6.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
161.70
Item in Stock
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ID:
606864
Weight:
23.71ct (total)
Size:
19.5 x 13.4 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
36.94
Item in Stock
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ID:
694846
Weight:
4.77ct
Size:
11.5 x 10.9 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
32.98
Item in Stock
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ID:
430873
Weight:
5.26ct
Size:
13.5 x 7.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
13.68
Item in Stock
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ID:
533393
Weight:
1.63ct
Size:
8 x 8 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
12.97
Item in Stock
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ID:
548158
Weight:
0.82ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
270.60
Item in Stock
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ID:
417587
Weight:
2.61ct (total)
Size:
5 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
106.80
Item in Stock
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ID:
724432
Weight:
66.10ct
Size:
33 x 24.3 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
596.48
Item in Stock
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ID:
606869
Weight:
1.80ct (total)
Size:
9.2 x 5.2 mm
Clarity:
VS
Content:
2 pcs
Price:
$
11.88
Item in Stock
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ID:
595293
Weight:
16.47ct (total)
Size:
20.1 x 10.5 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
43.48
Item in Stock
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ID:
480709
Weight:
4.58ct (total)
Size:
4.5 x 4.2 mm
Clarity:
Translucent
Content:
30 pcs
Price:
$
39.18
Item in Stock
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ID:
675216
Weight:
10.14ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
26.16
Item in Stock
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ID:
646964
Weight:
0.84ct
Size:
9 x 7 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
30.24
Item in Stock
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ID:
661852
Weight:
7.95ct
Size:
14.3 x 10.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
9.54
Item in Stock
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ID:
367640
Weight:
5.41ct
Size:
12.2 x 8.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
36.50
Item in Stock
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ID:
454629
Weight:
29.77ct (total)
Size:
20.8 x 13.7 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
39.30
Item in Stock
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ID:
475106
Weight:
21.18ct
Size:
18.8 x 11.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
58.72
Item in Stock
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ID:
743328
Weight:
0.64ct
Size:
5.7 x 5.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
64.00
Item in Stock
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ID:
704628
Weight:
1.18ct
Size:
13.2 x 6.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
35.40
Item in Stock
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ID:
712223
Weight:
1.03ct
Size:
6.5 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
20.57
Item in Stock
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ID:
736764
Weight:
1.72ct
Size:
8 x 6 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
10.32
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
Good prices
Posted By TRM in October, 2025
Source: Bizrate
Overall Rating -> 9
I think therea's no problem
Posted By Napoleon in August, 2025
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Overall Rating -> 8
Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use
Posted By DrD in May, 2025
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Overall Rating -> 10
hassle free experience.
Posted By Jhidron in October, 2025
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Overall Rating -> 10
First time so this is an experiment! Shopping is so fun on this site, though!
Posted By Gem Delight in March, 2025
Source: Bizrate
Overall Rating -> 9
the gems were smaller than I thought but I was at fault for not reading the complete discrimination
Posted By Tim in May, 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
I'm happy.
Posted By Ray in January, 2025
Source: Bizrate
Overall Rating -> 10
I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.
Posted By Tim in March, 2025
Source: Bizrate