Loose Untreated Gemstones: Certified Natural Gems for Collectors and Jewelry, Wholesale Untreated Stones
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Actinolite Cat's Eye (55)
Agate (545)
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Cat's Eye Aquamarine (15)
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Diamond (600)
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Clear All
ID:
566977
Weight:
1.33ct
Size:
6.3 x 6.3 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
29.84
Item in Stock
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ID:
649037
Weight:
2.17ct
Size:
10 x 8.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
12.47
Item in Stock
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ID:
697083
Weight:
0.54ct (total)
Size:
3.7 mm
Clarity:
VS-SI
Content:
2 pcs
Price:
$
11.66
Item in Stock
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ID:
688121
Weight:
8.76ct
Size:
24.3 x 14.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
25.86
Item in Stock
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ID:
528794
Weight:
1.49ct
Size:
8.5 x 5.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
129.80
Item in Stock
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ID:
725751
Weight:
1.43ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
13.73
Item in Stock
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ID:
639589
Weight:
1.63ct
Size:
12 x 5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
11.41
Item in Stock
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ID:
724140
Weight:
1.53ct
Size:
8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
14.69
Item in Stock
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ID:
718996
Weight:
1.02ct
Size:
5.9 x 4.8 mm
Clarity:
VVS
Content:
1 pc
Price:
$
18.36
Item in Stock
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ID:
350310
Weight:
1.90ct
Size:
17.7 x 3.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
55.18
Item in Stock
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ID:
479655
Weight:
1.49ct (total)
Size:
9.8 x 4.9 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
15.73
Item in Stock
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ID:
449411
Weight:
2.71ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
17.89
Item in Stock
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ID:
722795
Weight:
0.54ct
Size:
5 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
16.20
Item in Stock
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ID:
664917
Weight:
2.08ct
Size:
9.8 x 6.6 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
9.98
Item in Stock
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ID:
737123
Weight:
33.09ct
Size:
40.1 x 10.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
3.31
Item in Stock
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ID:
391458
Weight:
6.64ct
Size:
19.3 x 10.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
95.62
Item in Stock
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ID:
435746
Weight:
11.11ct
Size:
16 x 12 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
36.37
Item in Stock
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ID:
480805
Weight:
3.90ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
Transparent
Content:
30 pcs
Price:
$
33.36
Item in Stock
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ID:
689356
Weight:
4.40ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
24.24
Item in Stock
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ID:
516678
Weight:
4.17ct
Size:
11 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
30.66
Item in Stock
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ID:
465364
Weight:
3.46ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
30.28
Item in Stock
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ID:
721821
Weight:
0.51ct
Size:
8 x 4 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
9.18
Item in Stock
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ID:
645231
Weight:
4.18ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
23.72
Item in Stock
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ID:
658418
Weight:
5.06ct
Size:
19.9 x 10.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
18.22
Item in Stock
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ID:
582788
Weight:
1.22ct
Size:
8.4 x 6.3 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
64.42
Item in Stock
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ID:
426840
Weight:
14.24ct (total)
Size:
14 x 10 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
65.78
Item in Stock
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ID:
604475
Weight:
2.61ct (total)
Size:
9 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
75.79
Item in Stock
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ID:
558051
Weight:
1.07ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
8.47
Item in Stock
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ID:
718558
Weight:
8.60ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
51.60
Item in Stock
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ID:
537702
Weight:
1.54ct
Size:
10.9 x 4.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
116.89
Item in Stock
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ID:
662840
Weight:
4.83ct
Size:
12 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
11.59
Item in Stock
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ID:
675165
Weight:
0.51ct
Size:
8 x 4 mm (calibrated)
Clarity:
VVS
Price:
$
3.67
Item in Stock
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ID:
395452
Weight:
1.68ct (total)
Size:
6.2 x 4.2 mm
Clarity:
VS
Content:
3 pcs
Price:
$
105.76
Item in Stock
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ID:
485435
Weight:
38.10ct
Size:
35.8 x 21.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
22.64
Item in Stock
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ID:
518706
Weight:
3.89ct
Size:
10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
25.68
Item in Stock
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ID:
352476
Weight:
5.15ct
Size:
17.6 x 9 mm
Clarity:
VVS
Content:
1 pc
Price:
$
47.59
Item in Stock
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ID:
736375
Weight:
28.11ct
Size:
25.9 x 25.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
39.64
Item in Stock
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ID:
741105
Weight:
2.10ct
Size:
8.1 x 7.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
264.14
Item in Stock
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ID:
492913
Weight:
4.83ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
34.94
Item in Stock
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ID:
711827
Weight:
3.95ct
Size:
15.1 x 10.8 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
105.13
Item in Stock
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ID:
476733
Weight:
35.03ct
Size:
23.4 x 16.6 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
126.11
Item in Stock
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ID:
735817
Weight:
42.14ct
Size:
37.5 x 18.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
34.90
Item in Stock
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ID:
675817
Weight:
14.70ct (total)
Size:
14 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
41.81
Item in Stock
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ID:
418348
Weight:
11.75ct
Size:
16.8 x 12.4 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
23.26
Item in Stock
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ID:
645439
Weight:
1.42ct
Size:
9.1 x 3.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
20.48
Item in Stock
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ID:
568509
Weight:
3.52ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
33.78
Item in Stock
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ID:
663062
Weight:
4.50ct
Size:
12 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
10.80
Item in Stock
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ID:
722770
Weight:
1.02ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
30.60
Item in Stock
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ID:
715025
Weight:
3.91ct (total)
Size:
8 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
10.14
Item in Stock
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ID:
413638
Weight:
3.61ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
29.70
Item in Stock
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ID:
469432
Weight:
17.47ct
Size:
20.1 x 11.8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
36.43
Item in Stock
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ID:
453163
Weight:
1.41ct
Size:
8.8 x 6.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
93.06
Item in Stock
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ID:
715815
Weight:
1.49ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
14.30
Item in Stock
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ID:
721914
Weight:
0.57ct
Size:
8 x 4 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
10.26
Item in Stock
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ID:
413691
Weight:
13.89ct
Size:
15 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
458.38
Item in Stock
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ID:
520551
Weight:
4.14ct
Size:
12 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
38.26
Item in Stock
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ID:
587687
Weight:
34.06ct
Size:
21.7 x 15.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
68.12
Item in Stock
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ID:
456917
Weight:
7.63ct
Size:
14 x 9 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
40.28
Item in Stock
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ID:
694191
Weight:
0.78ct
Size:
8.3 x 4.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
23.40
Item in Stock
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ID:
712669
Weight:
4.31ct
Size:
12 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
62.06
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 -> 9
It was a good experience looking for and finding a nice amethyst stone
Posted By N/a in May, 2025
Source: Bizrate
Overall Rating -> 10
I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.
Posted By Sam in March, 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
Good. I ts very user friendly.
Posted By Shalini in June, 2025
Source: Bizrate
Overall Rating -> 10
I would recommend gem select yo everyone
Fast service and no problems
Posted By Steve in March, 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
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
Loved everything. High quality, quick shipping, and authentication included.
Posted By Chris in March, 2025
Source: Bizrate
Overall Rating -> 10
It was easy and to the point
Posted By Victorius in May, 2025
Source: Bizrate