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)
Agate Geode (15)
Alexandrite (24)
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Amazonite (273)
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Ametrine (146)
Andalusite (189)
Apatite (270)
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Aventurine (132)
Axinite (10)
Beryl (580)
Black Opal (6)
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Boulder Opal (239)
Calcite (71)
Carnelian (23)
Cat's Eye Apatite (29)
Cat's Eye Aquamarine (15)
Cat's Eye Beryl (3)
Cat's Eye Moonstone (31)
Cat's Eye Opal (144)
Cat's Eye Scapolite (78)
Cavansite (36)
Chalcedony (214)
Charoite (119)
Chocolate Opal (76)
Chrome Diopside (110)
Chrysoberyl (92)
Chrysoberyl Cat's Eye (53)
Chrysocolla (50)
Chrysoprase (8)
Cinnabar (78)
Citrine (4436)
Clinohumite (30)
Color-Change Diaspore (850)
Color-Change Fluorite (52)
Color-Change Garnet (193)
Coral (266)
Demantoid Garnet (230)
Dendritic Agate (198)
Diamond (601)
Druzy Amethyst (3)
Druzy Azurite (13)
Druzy Citrine (45)
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Tiger's Eye Matrix (277)
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ID:
721861
Weight:
31.35ct
Size:
21.8 x 20.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
37.62
Item in Stock
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ID:
730341
Weight:
0.59ct
Size:
6.1 x 3.8 mm
Clarity:
VVS
Content:
1 pc
Price:
$
35.40
Item in Stock
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ID:
727824
Weight:
1.08ct
Size:
7.1 x 5.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
64.80
Item in Stock
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ID:
532021
Weight:
3.33ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
17.58
Item in Stock
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ID:
712533
Weight:
2.37ct
Size:
12 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
6.31
Item in Stock
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ID:
455129
Weight:
25.57ct (total)
Size:
20.7 x 15.9 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
33.76
Item in Stock
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ID:
447312
Weight:
7.76ct
Size:
15.1 x 11.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
232.43
Item in Stock
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ID:
600293
Weight:
19.44ct
Size:
23.9 x 14.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
14.68
Item in Stock
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ID:
626182
Weight:
1.27ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
33.53
Item in Stock
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ID:
644656
Weight:
1.12ct
Size:
6 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
26.88
Item in Stock
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ID:
681891
Weight:
6.22ct
Size:
12 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
37.32
Item in Stock
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ID:
636616
Weight:
1.02ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
53.86
Item in Stock
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ID:
493859
Weight:
1.77ct
Size:
11.8 x 6 mm
Clarity:
VS
Price:
$
11.68
Item in Stock
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Select
1
2
3
pcs 0 in Cart
ID:
686045
Weight:
0.65ct
Size:
5.2 x 4.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
54.60
Item in Stock
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ID:
492864
Weight:
5.43ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
39.29
Item in Stock
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ID:
367743
Weight:
4.41ct
Size:
13.4 x 7.7 mm
Clarity:
VVS
Content:
1 pc
Price:
$
29.75
Item in Stock
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ID:
727965
Weight:
3.32ct
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
7.97
Item in Stock
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ID:
554027
Weight:
25.22ct
Size:
16 x 16 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
30.62
Item in Stock
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ID:
518956
Weight:
avg. 0.14 ct / each
Size:
3 mm (calibrated)
Clarity:
VS
Price:
$
4.51
Item in Stock
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Select
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pcs
ID:
700579
Weight:
5.06ct
Size:
9 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
4.86
Item in Stock
More Options & Item Details
ID:
519566
Weight:
1.65ct
Size:
8.1 x 6.5 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
32.68
Item in Stock
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ID:
378732
Weight:
2.36ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
93.46
Item in Stock
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ID:
493547
Weight:
3.18ct (total)
Size:
5 x 2.6 mm
Clarity:
VS
Content:
20 pcs
Price:
$
20.99
Item in Stock
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ID:
389811
Weight:
20.16ct
Size:
24.7 x 16.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
48.38
Item in Stock
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ID:
380859
Weight:
1.05ct
Size:
8 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
69.30
Item in Stock
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ID:
732989
Weight:
1.29ct
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
30.96
Item in Stock
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ID:
664789
Weight:
1.70ct
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
12.24
Item in Stock
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ID:
655970
Weight:
11.32ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
14.72
Item in Stock
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ID:
673893
Weight:
7.29ct
Size:
15.5 x 7.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
131.22
Item in Stock
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ID:
494015
Weight:
6.31ct
Size:
14 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
24.98
Item in Stock
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ID:
706985
Weight:
1.94ct
Size:
8 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
4.66
Item in Stock
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ID:
446680
Weight:
4.08ct
Size:
12 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
13.46
Item in Stock
More Options & Item Details
ID:
526431
Weight:
1.19ct
Size:
7.2 x 6 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
78.54
Item in Stock
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ID:
672047
Weight:
1.68ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
40.32
Item in Stock
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ID:
420981
Weight:
9.02ct
Size:
13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
35.72
Item in Stock
More Options & Item Details
ID:
389999
Weight:
19.68ct
Size:
24.7 x 16.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
51.96
Item in Stock
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ID:
554280
Weight:
1.42ct
Size:
7 x 5 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
37.49
Item in Stock
More Options & Item Details
ID:
376621
Weight:
3.74ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent/Translucent
Content:
1 pc
Price:
$
42.25
Item in Stock
More Options & Item Details
ID:
694909
Weight:
1.52ct
Size:
6.5 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
23.29
Item in Stock
More Options & Item Details
ID:
390902
Weight:
9.13ct (total)
Size:
14 x 10 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
18.08
Item in Stock
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ID:
621031
Weight:
4.47ct (total)
Size:
12.2 x 6.1 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
41.30
Item in Stock
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ID:
461181
Weight:
4.50ct
Size:
12 x 8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
41.58
Item in Stock
More Options & Item Details
ID:
475665
Weight:
7.18ct
Size:
16 x 12 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
66.35
Item in Stock
More Options & Item Details
ID:
464361
Weight:
3.83ct (total)
Size:
3.9 x 3.8 mm
Clarity:
VS
Content:
10 pcs
Price:
$
35.39
Item in Stock
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ID:
727957
Weight:
2.26ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
5.42
Item in Stock
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ID:
712177
Weight:
7.82ct (total)
Size:
14 x 7 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
20.83
Item in Stock
More Options & Item Details
ID:
721048
Weight:
0.57ct
Size:
8 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
4.79
Item in Stock
More Options & Item Details
ID:
361822
Weight:
24.11ct (total)
Size:
12 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
31.82
Item in Stock
More Options & Item Details
ID:
712058
Weight:
8.52ct (total)
Size:
12 x 8 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
22.69
Item in Stock
More Options & Item Details
ID:
428540
Weight:
8.34ct
Size:
12.9 x 10 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
50.04
Item in Stock
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ID:
459977
Weight:
3.88ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
35.86
Item in Stock
More Options & Item Details
ID:
740697
Weight:
0.14ct (total)
Size:
4 x 2 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
586.25
Item in Stock
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ID:
621644
Weight:
0.91ct
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
19.14
Item in Stock
More Options & Item Details
ID:
582570
Weight:
1.12ct
Size:
8.6 x 6.3 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
59.14
Item in Stock
More Options & Item Details
ID:
730427
Weight:
1.52ct
Size:
7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
255.36
Item in Stock
More Options & Item Details
ID:
694093
Weight:
43.16ct
Size:
37.4 x 12.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
5.18
Item in Stock
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ID:
691072
Weight:
0.79ct
Size:
5.5 mm (calibrated)
Clarity:
SI-I1
Content:
1 pc
Price:
$
47.40
Item in Stock
More Options & Item Details
ID:
662982
Weight:
3.83ct
Size:
12 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
9.19
Item in Stock
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ID:
437873
Weight:
1.80ct
Size:
17.9 x 3.3 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
59.40
Item in Stock
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ID:
473543
Weight:
2.89ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
34.68
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
So far So good
Posted By VH-1 in July, 2025
Source: Bizrate
Overall Rating -> 10
excellent deals-excellent service-fair prices
Posted By JD in April, 2025
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Overall Rating -> 10
Good selection, trusted quality. What I have purchased has always been as discribed.
Posted By Sterling in November, 2024
Source: Bizrate
Overall Rating -> 10
Excellent selection and easy to use, well done site
Posted By Steph in December, 2024
Source: Bizrate
Overall Rating -> 10
looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones.
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Posted By Steven M. in February, 2025
Source: Bizrate
Overall Rating -> 10
Very good Hoping you will increase your inventory especially in the 6mmThanks
Posted By Ibie in February, 2025
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Overall Rating -> 9
It was a good experience looking for and finding a nice amethyst stone
Posted By N/a in May, 2025
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Overall Rating -> 10
I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.
Posted By Sam in March, 2025
Source: Bizrate
Overall Rating -> 10
selection was broad and the check out was quick. Great site
Posted By JC Karl in September, 2025
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