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 (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)
Chrysocolla (50)
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Citrine (4362)
Clinohumite (30)
Color-Change Diaspore (834)
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Color-Change Garnet (190)
Color-Change Sapphire (4)
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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)
Fluorite (160)
Fossil Coral (316)
Golden Beryl (142)
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Tiger's Eye Matrix (274)
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Tsavorite Garnet (175)
Turquoise (90)
Uvarovite Garnet Drusy (80)
Variscite (4)
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ID:
615762
Weight:
2.29ct (total)
Size:
7 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
24.18
Item in Stock
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ID:
719921
Weight:
0.81ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
6.80
Item in Stock
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ID:
410368
Weight:
4.08ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
Translucent
Content:
4 pcs
Price:
$
19.50
Item in Stock
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ID:
606022
Weight:
4.80ct (total)
Size:
14.1 x 7 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
31.68
Item in Stock
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ID:
634930
Weight:
1.31ct
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
28.81
Item in Stock
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ID:
724743
Weight:
0.72ct
Size:
10 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
21.60
Item in Stock
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ID:
348983
Weight:
2.49ct
Size:
27.2 x 3.2 mm
Clarity:
VVS
Content:
1 pc
Price:
$
74.70
Item in Stock
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ID:
707750
Weight:
7.39ct
Size:
14.8 x 12.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
53.21
Item in Stock
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ID:
737362
Weight:
1.78ct
Size:
6 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
10.68
Item in Stock
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ID:
700205
Weight:
51.17ct
Size:
32.7 x 23.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
27.64
Item in Stock
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ID:
400515
Weight:
1.05ct
Size:
6.9 x 5.4 mm
Clarity:
VVS
Content:
1 pc
Price:
$
141.83
Item in Stock
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ID:
518620
Weight:
1.95ct
Size:
9.4 x 7 mm
Clarity:
VS
Content:
1 pc
Price:
$
180.18
Item in Stock
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ID:
394903
Weight:
4.60ct
Size:
10 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
30.36
Item in Stock
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ID:
491382
Weight:
32.89ct
Size:
28.2 x 24.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
58.18
Item in Stock
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ID:
713402
Weight:
1.24ct
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
8.68
Item in Stock
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ID:
431549
Weight:
3.25ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
34.28
Item in Stock
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ID:
255630
Weight:
0.78ct (total)
Size:
3 mm (calibrated)
Clarity:
VS
Content:
5 pcs
Price:
$
137.00
Item in Stock
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ID:
396011
Weight:
6.98ct (total)
Size:
8 x 8 mm (calibrated)
Clarity:
VS-SI
Content:
2 pcs
Price:
$
342.01
Item in Stock
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ID:
497664
Weight:
2.65ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
24.49
Item in Stock
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ID:
379758
Weight:
2.41ct (total)
Size:
4 mm (calibrated)
Clarity:
VS
Content:
6 pcs
Price:
$
136.54
Item in Stock
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ID:
448344
Weight:
2.64ct
Size:
8.5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
13.94
Item in Stock
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ID:
395218
Weight:
5.36ct
Size:
11.6 x 11.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
32.16
Item in Stock
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ID:
358148
Weight:
3.95ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
10 pcs
Price:
$
26.08
Item in Stock
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ID:
500266
Weight:
1.52ct
Size:
12 x 6.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
14.04
Item in Stock
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ID:
389975
Weight:
0.79ct
Size:
6 x 4.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
34.13
Item in Stock
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ID:
664622
Weight:
2.04ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
44.06
Item in Stock
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ID:
647357
Weight:
0.50ct
Size:
7.2 x 4.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
18.00
Item in Stock
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ID:
492460
Weight:
7.17ct
Size:
17.9 x 9.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
20.72
Item in Stock
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ID:
647595
Weight:
37.13ct
Size:
33 x 21.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
44.56
Item in Stock
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ID:
710431
Weight:
1.44ct
Size:
8 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
4.20
Item in Stock
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ID:
718630
Weight:
6.67ct
Size:
12 x 12 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
30.01
Item in Stock
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ID:
500223
Weight:
1.59ct
Size:
12 x 6.1 mm
Clarity:
VS
Price:
$
14.69
Item in Stock
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ID:
683528
Weight:
6.13ct
Size:
13.4 x 11 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
56.78
Item in Stock
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ID:
744680
Weight:
1.61ct
Size:
9.8 x 5 mm
Clarity:
VVS
Content:
1 pc
Price:
$
72.45
Item in Stock
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ID:
418389
Weight:
9.79ct
Size:
12.7 x 10.3 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
51.70
Item in Stock
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ID:
735787
Weight:
7.28ct
Size:
18.2 x 11.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
6.02
Item in Stock
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ID:
479366
Weight:
2.21ct (total)
Size:
10.2 x 5.2 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
23.34
Item in Stock
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ID:
539222
Weight:
11.65ct (total)
Size:
12 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
30.76
Item in Stock
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ID:
484028
Weight:
48.98ct
Size:
32.9 x 22.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
96.98
Item in Stock
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ID:
736708
Weight:
38.98ct
Size:
28.9 x 14.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
54.96
Item in Stock
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ID:
744532
Weight:
0.60ct
Size:
4.9 x 4.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
150.00
Item in Stock
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ID:
697177
Weight:
1.79ct
Size:
12 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
54.24
Item in Stock
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ID:
650039
Weight:
1.30ct
Size:
7 mm (calibrated)
Clarity:
VVS
Price:
$
10.92
Item in Stock
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ID:
416132
Weight:
1.46ct
Size:
13 x 3.5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
46.25
Item in Stock
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ID:
737512
Weight:
1.92ct
Size:
9 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
86.40
Item in Stock
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ID:
494880
Weight:
4.64ct
Size:
12 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
33.89
Item in Stock
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ID:
547560
Weight:
2.66ct
Size:
8.4 x 8.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
17.56
Item in Stock
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ID:
606008
Weight:
6.83ct
Size:
15 x 10 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
90.16
Item in Stock
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ID:
743402
Weight:
3.23ct
Size:
12 x 8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
145.35
Item in Stock
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ID:
686093
Weight:
3.30ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
3.96
Item in Stock
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ID:
715385
Weight:
1.26ct
Size:
7.7 x 5.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
12.10
Item in Stock
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ID:
572479
Weight:
3.10ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
28.64
Item in Stock
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ID:
379754
Weight:
2.40ct (total)
Size:
4 mm (calibrated)
Clarity:
VS
Content:
6 pcs
Price:
$
135.97
Item in Stock
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ID:
529152
Weight:
1.64ct
Size:
8 x 6.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
32.47
Item in Stock
More Options & Item Details
ID:
707853
Weight:
6.65ct
Size:
15.9 x 11.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
47.88
Item in Stock
More Options & Item Details
ID:
645987
Weight:
18.36ct
Size:
23.4 x 16.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
57.29
Item in Stock
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ID:
606548
Weight:
60.90ct
Size:
33.6 x 25.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
37.78
Item in Stock
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ID:
719963
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:
600291
Weight:
11.50ct
Size:
20.2 x 13.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
8.66
Item in Stock
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ID:
672555
Weight:
2.38ct
Size:
10.9 x 8.5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
57.12
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
All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.
Posted By Bob D in December, 2025
Source: Bizrate
Overall Rating -> 10
I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring
Posted By Desertchick in April, 2025
Source: Bizrate
Overall Rating -> 10
When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.
Posted By LeAnn in April, 2025
Source: Bizrate
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
Source: Bizrate
Overall Rating -> 10
Site is easy to navigate and the variety is great and how often new products are added is also great.
Posted By Jhidron in March, 2025
Source: Bizrate
Overall Rating -> 10
I like the way your website shows us what stone were buying as well the easy way to navigate the site. also knowing the stones are real...
Posted By RED in January, 2025
Source: Bizrate
Overall Rating -> 9
Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly
Posted By Ron T in November, 2025
Source: Bizrate
Overall Rating -> 9
I think therea's no problem
Posted By Napoleon in August, 2025
Source: Bizrate