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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Axinite (9)
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)
Cat's Eye Scapolite (78)
Cavansite (36)
Chalcedony (203)
Charoite (122)
Chocolate Opal (76)
Chrome Diopside (101)
Chrysoberyl (93)
Chrysoberyl Cat's Eye (55)
Chrysocolla (50)
Cinnabar (77)
Citrine (4362)
Clinohumite (30)
Color-Change Diaspore (834)
Color-Change Fluorite (47)
Color-Change Garnet (190)
Color-Change Sapphire (4)
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Demantoid Garnet (232)
Dendritic Agate (199)
Diamond (611)
Druzy Amethyst (3)
Druzy Azurite (13)
Druzy Citrine (44)
Druzy Variscite (130)
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Enstatite (3)
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Fire Agate (309)
Fire Opal (124)
Fluorite (160)
Fossil Coral (316)
Golden Beryl (142)
Grandidierite (170)
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Hematite (342)
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Hessonite Garnet (2137)
Hiddenite (10)
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Idocrase (19)
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Ruby (4)
Ruby in Fuchsite (90)
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Sillimanite Cat's Eye (376)
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Spinel (942)
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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:
550545
Weight:
30.53ct (total)
Size:
19.7 x 13.7 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
45.94
Item in Stock
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ID:
684069
Weight:
0.40ct
Size:
4.7 x 3.7 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
16.80
Item in Stock
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ID:
694434
Weight:
11.54ct (total)
Size:
15.2 x 9.1 mm
Clarity:
VVS
Content:
2 pcs
Price:
$
96.94
Item in Stock
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ID:
423105
Weight:
25.32ct (total)
Size:
9 mm (calibrated)
Clarity:
Transparent
Content:
5 pcs
Price:
$
33.42
Item in Stock
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ID:
636997
Weight:
3.98ct
Size:
10.8 x 8.4 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
19.10
Item in Stock
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ID:
727950
Weight:
0.68ct
Size:
5.7 x 4.9 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
4.08
Item in Stock
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ID:
733462
Weight:
3.02ct
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
27.29
Item in Stock
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ID:
733765
Weight:
6.43ct (total)
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
58.10
Item in Stock
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ID:
582924
Weight:
0.63ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
33.26
Item in Stock
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ID:
555886
Weight:
7.12ct
Size:
16 x 12 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
53.95
Item in Stock
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ID:
437215
Weight:
3.85ct (total)
Size:
8 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
7.63
Item in Stock
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ID:
431094
Weight:
3.04ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
32.06
Item in Stock
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ID:
743321
Weight:
0.62ct
Size:
5.9 x 4.9 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
62.00
Item in Stock
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ID:
534753
Weight:
1.64ct
Size:
7 x 7 mm (calibrated)
Clarity:
VVS-VS
Price:
$
12.98
Item in Stock
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ID:
635559
Weight:
4.72ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
39.65
Item in Stock
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ID:
563783
Weight:
0.92ct
Size:
7.4 x 5.9 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
14.02
Item in Stock
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ID:
712698
Weight:
11.30ct
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
30.11
Item in Stock
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ID:
513699
Weight:
22.08ct
Size:
26.5 x 16.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
29.15
Item in Stock
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ID:
431560
Weight:
1.64ct
Size:
6 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
38.96
Item in Stock
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ID:
349651
Weight:
1.30ct
Size:
15.1 x 3.5 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
37.75
Item in Stock
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ID:
481058
Weight:
24.78ct
Size:
30 x 19.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
24.54
Item in Stock
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ID:
690304
Weight:
12.46ct
Size:
19.1 x 15.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
48.14
Item in Stock
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ID:
658629
Weight:
8.91ct
Size:
14 x 12 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
10.69
Item in Stock
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ID:
733428
Weight:
3.36ct
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
25.30
Item in Stock
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ID:
696846
Weight:
28.06ct
Size:
22.9 x 16.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
19.19
Item in Stock
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ID:
746961
Weight:
1.50ct
Size:
6.8 x 6.5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
210.00
Item in Stock
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ID:
431723
Weight:
2.60ct (total)
Size:
4.8 x 4.8 mm
Clarity:
VS
Content:
4 pcs
Price:
$
27.42
Item in Stock
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ID:
389706
Weight:
4.86ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
32.08
Item in Stock
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ID:
725590
Weight:
0.92ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
8.83
Item in Stock
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ID:
712540
Weight:
2.35ct
Size:
12 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
6.26
Item in Stock
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ID:
315326
Weight:
1.69ct
Size:
11.1 x 8.4 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
93.70
Item in Stock
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ID:
500232
Weight:
1.55ct
Size:
11.9 x 5.9 mm
Clarity:
VS
Price:
$
14.33
Item in Stock
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Select
1
2
3
pcs 0 in Cart
ID:
655932
Weight:
0.94ct
Size:
7 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
22.56
Item in Stock
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ID:
647347
Weight:
1.25ct
Size:
10.2 x 6.6 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
45.00
Item in Stock
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ID:
566298
Weight:
4.73ct
Size:
12 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
31.22
Item in Stock
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ID:
650726
Weight:
2.08ct
Size:
9 x 9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
17.47
Item in Stock
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ID:
370766
Weight:
19.64ct (total)
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
25.92
Item in Stock
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ID:
410045
Weight:
6.51ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
42.97
Item in Stock
More Options & Item Details
ID:
653436
Weight:
8.77ct
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
21.05
Item in Stock
More Options & Item Details
ID:
408269
Weight:
12.53ct
Size:
13 x 13 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
29.60
Item in Stock
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ID:
352670
Weight:
6.07ct
Size:
17.1 x 9.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
56.09
Item in Stock
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ID:
557720
Weight:
3.74ct
Size:
12 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
28.28
Item in Stock
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ID:
418891
Weight:
4.40ct
Size:
13.8 x 10 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
8.71
Item in Stock
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ID:
713068
Weight:
1.32ct
Size:
7.4 x 6 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
31.68
Item in Stock
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ID:
372537
Weight:
25.51ct (total)
Size:
17.6 x 8.2 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
241.78
Item in Stock
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ID:
724786
Weight:
0.99ct
Size:
10 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
29.70
Item in Stock
More Options & Item Details
ID:
416045
Weight:
2.09ct
Size:
18.1 x 4.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
68.98
Item in Stock
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ID:
740725
Weight:
3.43ct
Size:
10 x 8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
431.43
Item in Stock
More Options & Item Details
ID:
568300
Weight:
4.02ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
38.58
Item in Stock
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ID:
743354
Weight:
2.03ct
Size:
7.5 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
284.20
Item in Stock
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ID:
721533
Weight:
0.60ct
Size:
8 x 4 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
10.80
Item in Stock
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ID:
713770
Weight:
0.84ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
14.11
Item in Stock
More Options & Item Details
ID:
720981
Weight:
40.12ct
Size:
30.4 x 23.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
48.14
Item in Stock
More Options & Item Details
ID:
682518
Weight:
14.90ct
Size:
17 x 12.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
89.40
Item in Stock
More Options & Item Details
ID:
447817
Weight:
1.42ct
Size:
7.6 x 6.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
902.22
Item in Stock
More Options & Item Details
ID:
400521
Weight:
1.00ct
Size:
6.4 x 4.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
123.83
Item in Stock
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ID:
648423
Weight:
4.27ct
Size:
11.1 x 10.5 mm
Clarity:
VVS
Content:
1 pc
Price:
$
34.16
Item in Stock
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ID:
745463
Weight:
108.77ct
Size:
36.2 x 17.2 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
229.50
Item in Stock
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ID:
724712
Weight:
1.26ct
Size:
10 x 5 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
37.80
Item in Stock
More Options & Item Details
ID:
687214
Weight:
0.72ct
Size:
6 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
6.91
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
Very professional site
Posted By JR in January, 2025
Source: Bizrate
Overall Rating -> 9
The checkout said the my ccv was invalid. i had to use another card.
Posted By Ron in April, 2025
Source: Bizrate
Overall Rating -> 10
My experience was done with ease
Posted By Barb in October, 2025
Source: Bizrate
Overall Rating -> 10
I love the quality, package and info of your gems.
Posted By Diana in April, 2025
Source: Bizrate
Overall Rating -> 10
went well
Posted By Doug in May, 2025
Source: Bizrate
Overall Rating -> 10
Very good Hoping you will increase your inventory especially in the 6mmThanks
Posted By Ibie in February, 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 -> 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
Enjoy every moment
Posted By Ferns in October, 2025
Source: Bizrate