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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Calcite (71)
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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Diamond (611)
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Druzy Azurite (13)
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Druzy Variscite (130)
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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:
498977
Weight:
1.63ct
Size:
10 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
15.06
Item in Stock
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ID:
479640
Weight:
2.95ct (total)
Size:
10.1 x 5.1 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
31.15
Item in Stock
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ID:
715473
Weight:
2.96ct
Size:
11.4 x 9.5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
28.42
Item in Stock
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ID:
441011
Weight:
2.76ct (total)
Size:
4.7 mm
Clarity:
VS
Content:
6 pcs
Price:
$
72.86
Item in Stock
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ID:
697238
Weight:
0.72ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
4.32
Item in Stock
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ID:
582570
Weight:
1.12ct
Size:
8.6 x 6.3 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
59.14
Item in Stock
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ID:
435498
Weight:
5.28ct
Size:
13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
17.28
Item in Stock
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ID:
660192
Weight:
20.00ct (total)
Size:
16 x 12 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
24.00
Item in Stock
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ID:
453700
Weight:
2.43ct
Size:
11.4 x 7.9 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
22.45
Item in Stock
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ID:
439157
Weight:
1.94ct
Size:
7.4 x 7.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
120.36
Item in Stock
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ID:
742082
Weight:
2.71ct
Size:
12 x 8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
27.10
Item in Stock
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ID:
708305
Weight:
5.13ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
8.50
Item in Stock
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ID:
635159
Weight:
1.83ct
Size:
9 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
48.31
Item in Stock
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ID:
715567
Weight:
11.40ct
Size:
18 x 13 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
109.44
Item in Stock
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ID:
711424
Weight:
0.50ct
Size:
6 x 4 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
1.33
Item in Stock
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ID:
474928
Weight:
1.67ct
Size:
8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
15.43
Item in Stock
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ID:
606452
Weight:
2.29ct
Size:
8.4 x 6.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
6.05
Item in Stock
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ID:
642675
Weight:
0.66ct
Size:
7 x 5 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
14.26
Item in Stock
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ID:
470956
Weight:
1.45ct
Size:
8 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
13.40
Item in Stock
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ID:
552932
Weight:
0.77ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
7.12
Item in Stock
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ID:
486209
Weight:
8.99ct
Size:
16 x 12 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
62.93
Item in Stock
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ID:
321166
Weight:
2.72ct
Size:
9.6 x 7.9 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
7.18
Item in Stock
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ID:
486565
Weight:
21.13ct
Size:
30.5 x 9.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
13.94
Item in Stock
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ID:
737599
Weight:
7.23ct
Size:
11 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
43.38
Item in Stock
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ID:
636235
Weight:
4.35ct
Size:
13 x 9.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
36.54
Item in Stock
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ID:
688867
Weight:
4.29ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
23.63
Item in Stock
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ID:
408078
Weight:
8.86ct
Size:
12 x 12 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
20.94
Item in Stock
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ID:
720358
Weight:
1.16ct
Size:
6.7 x 5.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
111.65
Item in Stock
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ID:
648688
Weight:
3.01ct
Size:
9.5 x 9.3 mm
Clarity:
VVS
Content:
1 pc
Price:
$
28.90
Item in Stock
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ID:
428723
Weight:
7.08ct
Size:
13.8 x 10.5 mm
Clarity:
VVS
Content:
1 pc
Price:
$
56.08
Item in Stock
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ID:
449241
Weight:
1.25ct
Size:
16.5 x 3.1 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
49.50
Item in Stock
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ID:
632514
Weight:
2.43ct
Size:
10 x 8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
17.50
Item in Stock
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ID:
381649
Weight:
2.05ct
Size:
8.4 x 6.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
101.77
Item in Stock
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ID:
464305
Weight:
4.24ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
39.18
Item in Stock
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ID:
517193
Weight:
1.60ct
Size:
9 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
147.84
Item in Stock
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ID:
360621
Weight:
8.13ct
Size:
12 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
39.02
Item in Stock
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ID:
730468
Weight:
1.22ct
Size:
6.4 x 5.2 mm
Clarity:
SI
Content:
1 pc
Price:
$
73.20
Item in Stock
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ID:
605876
Weight:
23.65ct
Size:
18.9 x 15.6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
218.53
Item in Stock
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ID:
736590
Weight:
38.92ct
Size:
29.8 x 20.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
36.58
Item in Stock
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ID:
408212
Weight:
7.50ct
Size:
12 x 12 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
17.71
Item in Stock
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ID:
701050
Weight:
8.97ct
Size:
11 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
8.62
Item in Stock
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ID:
681981
Weight:
12.70ct
Size:
16 x 13.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
76.20
Item in Stock
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ID:
514049
Weight:
22.23ct
Size:
25 x 18 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
29.34
Item in Stock
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ID:
552617
Weight:
13.91ct
Size:
23.3 x 17.9 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
36.72
Item in Stock
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ID:
661871
Weight:
5.63ct
Size:
20.2 x 8.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
17.57
Item in Stock
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ID:
736769
Weight:
4.26ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
191.70
Item in Stock
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ID:
463343
Weight:
5.26ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
41.66
Item in Stock
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ID:
697707
Weight:
0.36ct
Size:
3.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
7.78
Item in Stock
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ID:
545872
Weight:
1.34ct
Size:
10.3 x 7.5 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
48.24
Item in Stock
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ID:
640026
Weight:
2.17ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
54.42
Item in Stock
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ID:
597763
Weight:
8.91ct
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
117.61
Item in Stock
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ID:
642776
Weight:
1.02ct
Size:
6.5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
47.74
Item in Stock
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ID:
387953
Weight:
2.55ct (total)
Size:
4.6 x 4.5 mm
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
16.84
Item in Stock
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ID:
631595
Weight:
5.56ct
Size:
13 x 9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
66.72
Item in Stock
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ID:
720482
Weight:
1.24ct
Size:
7 x 4.6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
119.35
Item in Stock
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ID:
677986
Weight:
11.54ct
Size:
18.5 x 16.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
15.05
Item in Stock
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ID:
416151
Weight:
1.51ct
Size:
17.9 x 3.3 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
47.83
Item in Stock
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ID:
508563
Weight:
3.37ct
Size:
13.5 x 5.2 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
289.15
Item in Stock
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ID:
699520
Weight:
0.58ct
Size:
5 x 5 mm (calibrated)
Clarity:
VVS-VS
Price:
$
5.57
Item in Stock
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Select
1
2
3
4
pcs 0 in Cart
ID:
351403
Weight:
6.54ct
Size:
18 x 9.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
60.43
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
Great selection. Maybe too great i kept adding and deleting stuff because i found better looking ones
Posted By Edsor works in October, 2025
Source: Bizrate
Overall Rating -> 10
I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well
Posted By Marti in July, 2025
Source: Bizrate
Overall Rating -> 8
Good prices
Posted By TRM in October, 2025
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Overall Rating -> 10
Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.
Posted By Sal in July, 2025
Source: Bizrate
Overall Rating -> 10
Great site for finding specific stones and sizes for individual pieces of jewelry
Posted By Designer in December, 2025
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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
My experience was done with ease
Posted By Barb in October, 2025
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Overall Rating -> 10
I can pick and choose from large selection and find just what I need for .y projects, currently my cane.
Posted By Darkstar731 in July, 2025
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Overall Rating -> 9
It was great!
Posted By Annie in September, 2025
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