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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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)
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Chrysoberyl (93)
Chrysoberyl Cat's Eye (55)
Chrysocolla (50)
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Clinohumite (30)
Color-Change Diaspore (834)
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Color-Change Garnet (190)
Color-Change Sapphire (6)
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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)
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Tiger's Eye Matrix (274)
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Uvarovite Garnet Drusy (80)
Variscite (4)
Zircon (771)
Clear All
ID:
454456
Weight:
1.35ct
Size:
12.9 x 3.5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
57.02
Item in Stock
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ID:
491187
Weight:
8.00ct
Size:
18.4 x 9.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
23.54
Item in Stock
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ID:
681726
Weight:
0.98ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
17.64
Item in Stock
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ID:
600541
Weight:
2.39ct
Size:
9 x 7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
20.08
Item in Stock
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ID:
719002
Weight:
0.97ct
Size:
5.9 x 4.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
17.46
Item in Stock
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ID:
732952
Weight:
3.55ct
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
32.08
Item in Stock
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ID:
386414
Weight:
4.95ct
Size:
20 x 9.9 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
44.04
Item in Stock
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ID:
454464
Weight:
1.30ct
Size:
9.4 x 4.3 mm
Clarity:
VVS
Content:
1 pc
Price:
$
54.91
Item in Stock
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ID:
533714
Weight:
2.71ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
25.04
Item in Stock
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ID:
742131
Weight:
3.43ct
Size:
12 x 8 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
34.30
Item in Stock
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ID:
448141
Weight:
3.57ct (total)
Size:
8 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
18.85
Item in Stock
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ID:
635363
Weight:
2.11ct
Size:
8 x 8 mm (calibrated)
Clarity:
VVS
Price:
$
17.72
Item in Stock
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Select
1
2
3
pcs 0 in Cart
ID:
681993
Weight:
10.97ct
Size:
19.8 x 10.8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
105.31
Item in Stock
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ID:
707161
Weight:
4.60ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
11.04
Item in Stock
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ID:
614741
Weight:
1.50ct
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
52.03
Item in Stock
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ID:
604054
Weight:
30.38ct
Size:
32 x 20.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
32.08
Item in Stock
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ID:
364099
Weight:
16.08ct
Size:
22.2 x 16.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
42.46
Item in Stock
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ID:
491464
Weight:
58.69ct
Size:
42.5 x 27.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
94.37
Item in Stock
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ID:
419117
Weight:
6.51ct
Size:
13.4 x 11.8 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
34.37
Item in Stock
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ID:
648835
Weight:
2.80ct
Size:
13 x 9 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
23.52
Item in Stock
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ID:
685884
Weight:
0.83ct
Size:
6.3 x 4.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
15.28
Item in Stock
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ID:
697878
Weight:
1.02ct
Size:
6.6 x 5.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
6.12
Item in Stock
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ID:
744681
Weight:
1.81ct
Size:
10 x 5 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
81.45
Item in Stock
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ID:
712699
Weight:
4.78ct
Size:
12 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
12.73
Item in Stock
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ID:
460695
Weight:
2.78ct
Size:
9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
25.69
Item in Stock
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ID:
568301
Weight:
3.92ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
37.62
Item in Stock
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ID:
684038
Weight:
0.47ct (total)
Size:
4 x 3.2 mm
Clarity:
VS
Content:
2 pcs
Price:
$
19.74
Item in Stock
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ID:
722774
Weight:
1.07ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
32.10
Item in Stock
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ID:
645964
Weight:
15.56ct
Size:
22.3 x 18.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
8.77
Item in Stock
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ID:
553720
Weight:
2.18ct
Size:
9.2 x 6.3 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
49.26
Item in Stock
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ID:
555626
Weight:
1.24ct
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
42.72
Item in Stock
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ID:
699611
Weight:
0.53ct
Size:
4.5 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
31.80
Item in Stock
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ID:
478049
Weight:
4.82ct
Size:
15 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
44.16
Item in Stock
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ID:
742611
Weight:
1.98ct (total)
Size:
5.2 x 3.7 mm
Clarity:
VS
Content:
3 pcs
Price:
$
66.00
Item in Stock
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ID:
521414
Weight:
28.28ct
Size:
26.2 x 15 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
142.60
Item in Stock
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ID:
464308
Weight:
3.67ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
33.91
Item in Stock
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ID:
438025
Weight:
1.13ct
Size:
17.8 x 2.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
37.30
Item in Stock
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ID:
456459
Weight:
2.99ct
Size:
12.1 x 8.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
27.62
Item in Stock
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ID:
712825
Weight:
12.67ct
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
33.76
Item in Stock
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ID:
678381
Weight:
10.77ct
Size:
22.4 x 18.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
13.31
Item in Stock
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ID:
696053
Weight:
0.58ct
Size:
5 x 4 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
20.88
Item in Stock
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ID:
732555
Weight:
6.86ct
Size:
12.4 x 9.3 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
246.96
Item in Stock
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ID:
645308
Weight:
32.66ct
Size:
32.8 x 22 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
19.60
Item in Stock
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ID:
744808
Weight:
2.86ct
Size:
13.6 x 7.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
14.30
Item in Stock
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ID:
719023
Weight:
0.64ct
Size:
5 x 4 mm (calibrated)
Clarity:
VVS
Price:
$
11.52
Item in Stock
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ID:
498324
Weight:
1.19ct
Size:
9.9 x 5.1 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
12.56
Item in Stock
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ID:
621524
Weight:
2.06ct
Size:
8.6 x 6.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
39.38
Item in Stock
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ID:
324058
Weight:
3.72ct (total)
Size:
8 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
5 pcs
Price:
$
30.94
Item in Stock
More Options & Item Details
ID:
687114
Weight:
5.90ct
Size:
21.7 x 7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
17.41
Item in Stock
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ID:
554031
Weight:
24.36ct
Size:
16x16 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
29.58
Item in Stock
More Options & Item Details
ID:
524593
Weight:
1.21ct
Size:
6.5 x 6.1 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
145.20
Item in Stock
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ID:
602715
Weight:
0.94ct
Size:
6 mm (calibrated)
Clarity:
SI-I1
Content:
1 pc
Price:
$
31.02
Item in Stock
More Options & Item Details
ID:
658353
Weight:
4.38ct
Size:
18.4 x 8.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
15.77
Item in Stock
More Options & Item Details
ID:
564201
Weight:
1.20ct
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
18.29
Item in Stock
More Options & Item Details
ID:
743189
Weight:
1.75ct
Size:
6.8 x 6.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
210.00
Item in Stock
More Options & Item Details
ID:
489266
Weight:
6.40ct
Size:
14.4 x 11 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
65.82
Item in Stock
More Options & Item Details
ID:
585508
Weight:
0.68ct
Size:
5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
18.70
Item in Stock
More Options & Item Details
ID:
610320
Weight:
5.64ct
Size:
21.7 x 8.8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
7.44
Item in Stock
More Options & Item Details
ID:
398178
Weight:
1.04ct
Size:
13.9 x 3.2 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
27.46
Item in Stock
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ID:
686066
Weight:
0.25ct
Size:
4 x 3.1 mm
Clarity:
VVS
Content:
1 pc
Price:
$
16.50
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 good Hoping you will increase your inventory especially in the 6mmThanks
Posted By Ibie in February, 2025
Source: Bizrate
Overall Rating -> 10
excellent deals-excellent service-fair prices
Posted By JD 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 -> 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 -> 10
Very large selection from affordable to high end I will be coming back to shop again!
Posted By GreenGator in August, 2025
Source: Bizrate
Overall Rating -> 10
It was easy to navigate
Posted By GemGod in July, 2025
Source: Bizrate
Overall Rating -> 10
On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc
Posted By Iamnotakrustykrab in December, 2025
Source: Bizrate
Overall Rating -> 10
All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.
Posted By G.W. in June, 2025
Source: Bizrate
Overall Rating -> 10
Enjoy every moment
Posted By Ferns in October, 2025
Source: Bizrate