Loose Untreated Gemstones: Certified Natural Gems for Collectors and Jewelry, Wholesale Untreated Stones
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Gemtypes in Category:
Actinolite Cat's Eye (55)
Agate (545)
Agate Geode (17)
Alexandrite (28)
Almandine Garnet (320)
Amazonite (280)
Amethyst (2979)
Amethyst Geode Slice (70)
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Aventurine (134)
Axinite (10)
Beryl (580)
Black Opal (6)
Bloodstone (211)
Boulder Opal (229)
Calcite (71)
Carnelian (30)
Cat's Eye Apatite (30)
Cat's Eye Aquamarine (15)
Cat's Eye Beryl (3)
Cat's Eye Moonstone (36)
Cat's Eye Opal (142)
Cat's Eye Scapolite (79)
Cavansite (36)
Chalcedony (221)
Charoite (125)
Chocolate Opal (75)
Chrome Diopside (112)
Chrome Tourmaline (2)
Chrysoberyl (93)
Chrysoberyl Cat's Eye (55)
Chrysocolla (49)
Chrysoprase (19)
Cinnabar (78)
Citrine (4507)
Clinohumite (32)
Color-Change Diaspore (855)
Color-Change Fluorite (55)
Color-Change Garnet (193)
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Demantoid Garnet (235)
Dendritic Agate (198)
Diamond (600)
Druzy Amethyst (3)
Druzy Azurite (13)
Druzy Citrine (45)
Druzy Variscite (130)
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Fire Opal (123)
Fluorite (159)
Fossil Coral (322)
Golden Beryl (149)
Grandidierite (165)
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Hematite (352)
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Snowflake Obsidian (23)
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Spectrolite (127)
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Sunstone (527)
Tiger's Eye (785)
Tiger's Eye Matrix (281)
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Tsavorite Garnet (186)
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Uvarovite Garnet Drusy (50)
Variscite (5)
Zircon (782)
Clear All
ID:
675008
Weight:
3.19ct
Size:
10 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
26.80
Item in Stock
More Options & Item Details
ID:
440022
Weight:
0.96ct
Size:
5.9 x 4.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
35.48
Item in Stock
More Options & Item Details
ID:
712902
Weight:
1.38ct
Size:
7.3 x 6.1 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
33.12
Item in Stock
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ID:
541528
Weight:
1.49ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
11.80
Item in Stock
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ID:
625389
Weight:
1.83ct
Size:
8 x 6.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
37.37
Item in Stock
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ID:
527641
Weight:
2.11ct
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
22.28
Item in Stock
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ID:
341879
Weight:
5.19ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
47.95
Item in Stock
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ID:
296633
Weight:
3.92ct (total)
Size:
8 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
5 pcs
Price:
$
28.52
Item in Stock
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ID:
736376
Weight:
1.67ct
Size:
9 x 7 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
58.92
Item in Stock
More Options & Item Details
ID:
718601
Weight:
7.00ct
Size:
18.5 x 12.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
42.00
Item in Stock
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ID:
560876
Weight:
0.89ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
8.22
Item in Stock
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ID:
454578
Weight:
0.75ct
Size:
5.7 x 4.6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
31.68
Item in Stock
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ID:
501187
Weight:
5.28ct
Size:
12 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
40.66
Item in Stock
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ID:
514430
Weight:
6.18ct
Size:
12.6 x 10.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
326.30
Item in Stock
More Options & Item Details
ID:
716148
Weight:
3.07ct
Size:
10 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
29.47
Item in Stock
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ID:
473195
Weight:
0.84ct
Size:
8.5 x 5.3 mm
Clarity:
VVS
Content:
1 pc
Price:
$
60.98
Item in Stock
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ID:
727941
Weight:
0.96ct
Size:
5.7 x 5.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
5.76
Item in Stock
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ID:
686618
Weight:
0.21ct
Size:
3.6 x 3.6 mm
Clarity:
VVS
Content:
1 pc
Price:
$
10.08
Item in Stock
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ID:
564696
Weight:
23.35ct (total)
Size:
18.3 x 11.8 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
53.33
Item in Stock
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ID:
467945
Weight:
1.14ct (total)
Size:
4.8 x 3.7 mm
Clarity:
VVS-VS
Content:
3 pcs
Price:
$
120.38
Item in Stock
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ID:
479890
Weight:
3.36ct
Size:
10 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
31.04
Item in Stock
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ID:
489142
Weight:
2.82ct (total)
Size:
5 mm (calibrated)
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
50.76
Item in Stock
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ID:
647273
Weight:
1.97ct
Size:
8.2 x 7 mm
Clarity:
VS
Content:
1 pc
Price:
$
44.92
Item in Stock
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ID:
332920
Weight:
22.65ct
Size:
19.8 x 16.5 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
35.88
Item in Stock
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ID:
451062
Weight:
1.78ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
16.45
Item in Stock
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ID:
720343
Weight:
0.96ct
Size:
6.5 x 4.8 mm
Clarity:
VVS
Content:
1 pc
Price:
$
92.40
Item in Stock
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ID:
722127
Weight:
0.69ct
Size:
5.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
33.12
Item in Stock
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ID:
699275
Weight:
1.74ct
Size:
7 x 6 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
10.44
Item in Stock
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ID:
464443
Weight:
2.51ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
6 pcs
Price:
$
23.20
Item in Stock
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ID:
453758
Weight:
3.58ct
Size:
13 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
33.08
Item in Stock
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ID:
725672
Weight:
0.48ct
Size:
5.4 x 5.2 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
4.61
Item in Stock
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ID:
722360
Weight:
0.48ct
Size:
5 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
23.04
Item in Stock
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ID:
698492
Weight:
3.26ct
Size:
11 x 9 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
27.38
Item in Stock
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ID:
687638
Weight:
12.19ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
14.63
Item in Stock
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ID:
694494
Weight:
24.29ct
Size:
29.2 x 16.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
26.23
Item in Stock
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ID:
533386
Weight:
2.06ct
Size:
9 x 9 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
13.44
Item in Stock
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ID:
499219
Weight:
2.11ct
Size:
10.5 x 5.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
417.78
Item in Stock
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ID:
735094
Weight:
0.86ct
Size:
7 x 5 mm (calibrated)
Clarity:
SI-I1
Content:
1 pc
Price:
$
51.60
Item in Stock
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ID:
697448
Weight:
0.33ct
Size:
3.7 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
7.13
Item in Stock
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ID:
719311
Weight:
0.74ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
6.22
Item in Stock
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ID:
521047
Weight:
27.57ct
Size:
21.4 x 18.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
139.02
Item in Stock
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ID:
689673
Weight:
2.96ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
28.42
Item in Stock
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ID:
699331
Weight:
avg. 0.26 ct / each
Size:
4 x 3 mm (calibrated)
Clarity:
VS
Price:
$
5.76
Item in Stock
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Select
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
pcs
ID:
538237
Weight:
1.62ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
12.83
Item in Stock
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ID:
721045
Weight:
0.46ct
Size:
8 x 4 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
3.86
Item in Stock
More Options & Item Details
ID:
454208
Weight:
1.00ct
Size:
10.9 x 4.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
42.24
Item in Stock
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ID:
387886
Weight:
2.61ct (total)
Size:
4.5 x 4.5 mm
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
17.23
Item in Stock
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ID:
408315
Weight:
9.40ct
Size:
13 x 13 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
22.21
Item in Stock
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ID:
572338
Weight:
1.17ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
33.70
Item in Stock
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ID:
413687
Weight:
13.91ct
Size:
15 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
459.04
Item in Stock
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ID:
577735
Weight:
32.37ct
Size:
24.5 x 18.8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
249.53
Item in Stock
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ID:
644433
Weight:
2.01ct
Size:
8.3 x 6.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
48.24
Item in Stock
More Options & Item Details
ID:
692681
Weight:
8.82ct
Size:
13 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
21.17
Item in Stock
More Options & Item Details
ID:
420121
Weight:
42.61ct
Size:
28.3 x 21.8 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
76.69
Item in Stock
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ID:
364078
Weight:
17.98ct
Size:
17.6 x 14.9 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
35.60
Item in Stock
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ID:
395944
Weight:
2.91ct
Size:
8 x 8 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
76.82
Item in Stock
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ID:
686085
Weight:
1.12ct (total)
Size:
6.1 x 4.2 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
24.19
Item in Stock
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ID:
636206
Weight:
1.87ct
Size:
8 x 8 mm (calibrated)
Clarity:
VVS
Price:
$
15.71
Item in Stock
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Select
1
2
3
4
5
6
7
8
pcs 0 in Cart
ID:
715842
Weight:
4.11ct
Size:
12 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
39.46
Item in Stock
More Options & Item Details
ID:
418126
Weight:
7.95ct
Size:
13.5 x 10.3 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
41.98
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 have ordered from Genselect before and always had a great experience. My go to source!
Posted By Kycaver in October, 2024
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
It was easy to navigate
Posted By GemGod in July, 2025
Source: Bizrate
Overall Rating -> 10
Easy to conduct search, good amount of stock to select from along with variety of prices.
Posted By Que in June, 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
Very food
Posted By Keeto in July, 2025
Source: Bizrate
Overall Rating -> 10
Nice website I just don't know much about the quality until I receive the stone.
Posted By Becky in December, 2024
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
I purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.
Posted By MVK in July, 2025
Source: Bizrate