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)
Amethyst (2866)
Amethyst Geode Slice (69)
Ametrine (166)
Andalusite (191)
Apatite (264)
Aquamarine (96)
Aragonite (24)
Aventurine (130)
Axinite (9)
Beryl (639)
Black Opal (6)
Bloodstone (190)
Boulder Opal (271)
Calcite (71)
Carnelian (21)
Cat's Eye Alexandrite (37)
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 (6)
Coral (253)
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)
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Howlite (133)
Idocrase (19)
Imperial Topaz (12)
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Tiger's Eye Matrix (274)
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ID:
673890
Weight:
7.02ct
Size:
16 x 12 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
101.00
Item in Stock
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ID:
558478
Weight:
2.06ct (total)
Size:
6.8 x 4.8 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
7.82
Item in Stock
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ID:
479684
Weight:
2.38ct (total)
Size:
10 x 5.1 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
25.13
Item in Stock
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ID:
473946
Weight:
0.64ct
Size:
7.8 x 4.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
46.46
Item in Stock
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ID:
650423
Weight:
25.68ct
Size:
27.7 x 21.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
15.41
Item in Stock
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ID:
479565
Weight:
2.38ct (total)
Size:
10.1 x 5.1 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
25.13
Item in Stock
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ID:
682112
Weight:
12.17ct
Size:
15.1 x 13.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
73.02
Item in Stock
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ID:
720481
Weight:
0.97ct
Size:
5.6 x 4.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
93.36
Item in Stock
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ID:
744777
Weight:
22.11ct
Size:
24.8 x 15.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
44.22
Item in Stock
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ID:
696486
Weight:
11.62ct
Size:
19.1 x 11.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
20.92
Item in Stock
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ID:
549146
Weight:
5.15ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
39.66
Item in Stock
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ID:
348238
Weight:
34.16ct
Size:
27 x 20 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
45.10
Item in Stock
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ID:
732550
Weight:
5.77ct
Size:
12.2 x 9.2 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
207.72
Item in Stock
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ID:
712772
Weight:
1.74ct
Size:
7.9 x 6.6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
41.76
Item in Stock
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ID:
695443
Weight:
6.66ct
Size:
11.3 x 7.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
199.80
Item in Stock
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ID:
464402
Weight:
3.96ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
36.59
Item in Stock
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ID:
416003
Weight:
2.01ct
Size:
16.5 x 4 mm
Clarity:
VS
Content:
1 pc
Price:
$
66.34
Item in Stock
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ID:
723582
Weight:
1.62ct
Size:
8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
15.55
Item in Stock
More Options & Item Details
ID:
439796
Weight:
0.93ct
Size:
6.5 x 5.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
34.37
Item in Stock
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ID:
747452
Weight:
1.48ct
Size:
7.5 x 6.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
266.40
Item in Stock
More Options & Item Details
ID:
728124
Weight:
3.60ct
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
8.64
Item in Stock
More Options & Item Details
ID:
696128
Weight:
45.29ct
Size:
31 x 28.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
30.98
Item in Stock
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ID:
712437
Weight:
12.00ct
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
31.97
Item in Stock
More Options & Item Details
ID:
716073
Weight:
0.38ct
Size:
4.9 x 4.4 mm
Clarity:
VVS
Content:
1 pc
Price:
$
24.17
Item in Stock
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ID:
479631
Weight:
2.63ct (total)
Size:
10.1 x 5.2 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
27.77
Item in Stock
More Options & Item Details
ID:
700227
Weight:
18.88ct
Size:
22.1 x 14.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
15.86
Item in Stock
More Options & Item Details
ID:
704390
Weight:
0.86ct
Size:
5.5 x 5.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
28.27
Item in Stock
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ID:
660025
Weight:
1.75ct
Size:
6.3 x 6.2 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
4.22
Item in Stock
More Options & Item Details
ID:
460830
Weight:
7.09ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
65.51
Item in Stock
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ID:
391418
Weight:
32.49ct
Size:
31.4 x 24.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
42.89
Item in Stock
More Options & Item Details
ID:
408816
Weight:
8.83ct
Size:
16 x 12 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
40.79
Item in Stock
More Options & Item Details
ID:
730087
Weight:
0.18ct
Size:
4.8 x 3 mm
Clarity:
VS
Content:
1 pc
Price:
$
8.64
Item in Stock
More Options & Item Details
ID:
396012
Weight:
10.26ct
Size:
14 x 14 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
21.53
Item in Stock
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ID:
744223
Weight:
32.90ct
Size:
28.1 x 23.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
128.97
Item in Stock
More Options & Item Details
ID:
358240
Weight:
1.71ct
Size:
8.6 x 5.9 mm
Clarity:
VVS
Content:
1 pc
Price:
$
45.37
Item in Stock
More Options & Item Details
ID:
414403
Weight:
11.73ct
Size:
14 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
309.67
Item in Stock
More Options & Item Details
ID:
744738
Weight:
0.64ct
Size:
5.6 x 4.4 mm
Clarity:
VVS
Content:
1 pc
Price:
$
64.00
Item in Stock
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ID:
541805
Weight:
avg. 0.28 ct / each
Size:
5.9 x 3 mm
Clarity:
VS
Price:
$
1.53
Item in Stock
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pcs
ID:
573466
Weight:
3.81ct (total)
Size:
12.1 x 6 mm
Clarity:
VVS
Content:
2 pcs
Price:
$
40.24
Item in Stock
More Options & Item Details
ID:
619771
Weight:
23.01ct (total)
Size:
22.4 x 16.2 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
60.74
Item in Stock
More Options & Item Details
ID:
368404
Weight:
3.28ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
21.48
Item in Stock
More Options & Item Details
ID:
747206
Weight:
0.17ct
Size:
3.5 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
343.88
Item in Stock
More Options & Item Details
ID:
512001
Weight:
7.10ct
Size:
12 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
10.21
Item in Stock
More Options & Item Details
ID:
369157
Weight:
53.68ct
Size:
34.3 x 20.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
141.72
Item in Stock
More Options & Item Details
ID:
389213
Weight:
1.09ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
71.94
Item in Stock
More Options & Item Details
ID:
721939
Weight:
33.49ct (total)
Size:
15.9 x 14.8 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
40.19
Item in Stock
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ID:
451157
Weight:
1.60ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
14.78
Item in Stock
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ID:
493866
Weight:
4.33ct
Size:
12 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
31.03
Item in Stock
More Options & Item Details
ID:
618771
Weight:
19.56ct (total)
Size:
20 x 15 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
51.64
Item in Stock
More Options & Item Details
ID:
735025
Weight:
0.08ct
Size:
3 x 2 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
56.00
Item in Stock
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ID:
647932
Weight:
0.83ct
Size:
6.9 x 4.7 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
21.91
Item in Stock
More Options & Item Details
ID:
644284
Weight:
0.82ct
Size:
6.5 x 5.4 mm
Clarity:
VVS
Content:
1 pc
Price:
$
6.89
Item in Stock
More Options & Item Details
ID:
474994
Weight:
1.68ct
Size:
8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
15.53
Item in Stock
More Options & Item Details
ID:
673945
Weight:
4.75ct
Size:
13 x 9 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
68.34
Item in Stock
More Options & Item Details
ID:
478618
Weight:
0.75ct
Size:
6.5 x 4.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
31.72
Item in Stock
More Options & Item Details
ID:
472732
Weight:
4.89ct
Size:
20.5 x 13 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
10.70
Item in Stock
More Options & Item Details
ID:
465508
Weight:
5.28ct
Size:
12 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
42.65
Item in Stock
More Options & Item Details
ID:
464442
Weight:
2.74ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
6 pcs
Price:
$
25.32
Item in Stock
More Options & Item Details
ID:
453796
Weight:
2.84ct
Size:
10.5 x 7.3 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
21.87
Item in Stock
More Options & Item Details
ID:
325996
Weight:
1.70ct
Size:
8.2 x 7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
6.06
Item in Stock
More Options & Item Details
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
Was a good experience.
Posted By Tim in July, 2025
Source: Bizrate
Overall Rating -> 10
Good selection, using for custom jewlery for my wife.
Posted By Smitty in June, 2025
Source: Bizrate
Overall Rating -> 10
Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.
Posted By Fried Rice in August, 2025
Source: Bizrate
Overall Rating -> 10
I've purchased from here many times over the last decade+. I find the information easy to understand, helpful, and interesting. I have always been satisfied that I got exactly what I ordered. Pictures and descriptions are clear and unique to each stone.
Posted By Maggie in August, 2025
Source: Bizrate
Overall Rating -> 8
First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.
Posted By Salvo in July, 2025
Source: Bizrate
Overall Rating -> 10
hassle free experience.
Posted By Jhidron in October, 2025
Source: Bizrate
Overall Rating -> 10
this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.
Posted By Tommyp in November, 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 -> 10
I am filling a small treasure chest and picked a nice amethyst.
Posted By VinnyD in August, 2025
Source: Bizrate