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)
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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)
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Cavansite (36)
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Chrysoberyl Cat's Eye (55)
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Clinohumite (30)
Color-Change Diaspore (834)
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Color-Change Sapphire (6)
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Druzy Variscite (130)
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Uvarovite Garnet Drusy (80)
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Clear All
ID:
349470
Weight:
1.04ct
Size:
6.6 x 5.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
144.14
Item in Stock
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ID:
384148
Weight:
6.90ct
Size:
17.5 x 9.3 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
27.32
Item in Stock
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ID:
418430
Weight:
8.66ct
Size:
16.6 x 10.8 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
17.15
Item in Stock
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ID:
699789
Weight:
39.36ct
Size:
32.5 x 18.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
21.25
Item in Stock
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ID:
481212
Weight:
22.57ct
Size:
34.1 x 15.2 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
29.80
Item in Stock
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ID:
386254
Weight:
4.41ct
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
10.58
Item in Stock
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ID:
706768
Weight:
4.81ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
11.54
Item in Stock
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ID:
398321
Weight:
3.40ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
18.70
Item in Stock
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ID:
484800
Weight:
25.86ct
Size:
29.4 x 17.3 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
24.83
Item in Stock
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ID:
685595
Weight:
0.07ct (total)
Size:
1.9 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
24.50
Item in Stock
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ID:
418359
Weight:
8.30ct
Size:
15.6 x 11.3 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
16.44
Item in Stock
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ID:
389713
Weight:
3.94ct (total)
Size:
9 x 7.4 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
26.00
Item in Stock
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ID:
728139
Weight:
1.57ct
Size:
7.3 x 6.4 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
9.42
Item in Stock
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ID:
712159
Weight:
2.44ct
Size:
10 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
6.50
Item in Stock
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ID:
454413
Weight:
0.91ct
Size:
11.4 x 4.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
38.44
Item in Stock
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ID:
730133
Weight:
12.36ct
Size:
16.9 x 13.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
11.87
Item in Stock
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ID:
514088
Weight:
6.45ct (total)
Size:
11 x 9 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
60.71
Item in Stock
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ID:
550749
Weight:
1.31ct
Size:
7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
15.83
Item in Stock
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ID:
546888
Weight:
3.06ct
Size:
9 x 9 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
24.24
Item in Stock
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ID:
548970
Weight:
2.50ct
Size:
10.6 x 8.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
16.50
Item in Stock
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ID:
609979
Weight:
13.20ct (total)
Size:
13 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
15.84
Item in Stock
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ID:
725588
Weight:
0.90ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
8.64
Item in Stock
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ID:
573242
Weight:
1.14ct
Size:
7 x 5 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
30.10
Item in Stock
More Options & Item Details
ID:
398053
Weight:
1.43ct
Size:
19.6 x 3.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
41.53
Item in Stock
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ID:
518614
Weight:
2.01ct
Size:
9 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
13.27
Item in Stock
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ID:
744665
Weight:
3.31ct
Size:
12 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
148.95
Item in Stock
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ID:
627474
Weight:
0.90ct
Size:
5.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
16.55
Item in Stock
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ID:
701020
Weight:
0.85ct
Size:
5.5 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
51.00
Item in Stock
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ID:
466306
Weight:
5.72ct (total)
Size:
8 mm (calibrated)
Clarity:
Translucent
Content:
4 pcs
Price:
$
211.42
Item in Stock
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ID:
439869
Weight:
0.80ct
Size:
6.7 x 5.2 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
29.57
Item in Stock
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ID:
713716
Weight:
1.05ct
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
8.82
Item in Stock
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ID:
714768
Weight:
0.48ct
Size:
6.3 x 4.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
25.92
Item in Stock
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ID:
494022
Weight:
6.14ct
Size:
15 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
24.31
Item in Stock
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ID:
484694
Weight:
2.24ct
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
14.78
Item in Stock
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ID:
682340
Weight:
9.87ct
Size:
21.7 x 9.6 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
94.75
Item in Stock
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ID:
687966
Weight:
2.78ct
Size:
10 x 8 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
3.34
Item in Stock
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ID:
598627
Weight:
1.71ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
33.86
Item in Stock
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ID:
503439
Weight:
2.54ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
23.47
Item in Stock
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ID:
550829
Weight:
1.13ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS
Price:
$
8.50
Item in Stock
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ID:
384481
Weight:
15.79ct
Size:
21.1 x 12.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
62.53
Item in Stock
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ID:
656280
Weight:
0.78ct
Size:
6.1 x 5.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
1.21
Item in Stock
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ID:
719931
Weight:
3.49ct
Size:
8.2 x 7.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
104.70
Item in Stock
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ID:
385927
Weight:
7.34ct
Size:
14.7 x 11.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
467.00
Item in Stock
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ID:
715821
Weight:
1.39ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
13.34
Item in Stock
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ID:
715824
Weight:
3.14ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
30.14
Item in Stock
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ID:
451056
Weight:
1.40ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
12.94
Item in Stock
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ID:
466309
Weight:
5.75ct (total)
Size:
8 mm (calibrated)
Clarity:
Translucent
Content:
4 pcs
Price:
$
202.91
Item in Stock
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ID:
656181
Weight:
3.48ct
Size:
10 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
5.42
Item in Stock
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ID:
687127
Weight:
2.15ct
Size:
8 x 6 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
2.58
Item in Stock
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ID:
609447
Weight:
19.86ct
Size:
28.6 x 19 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
26.22
Item in Stock
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ID:
725720
Weight:
1.69ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
16.22
Item in Stock
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ID:
418374
Weight:
5.37ct
Size:
12 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
25.78
Item in Stock
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ID:
365384
Weight:
2.15ct
Size:
8.4 x 6.4 mm
Clarity:
VVS
Content:
1 pc
Price:
$
63.04
Item in Stock
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ID:
388791
Weight:
1.25ct
Size:
8 x 6 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
80.26
Item in Stock
More Options & Item Details
ID:
728014
Weight:
2.34ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
5.62
Item in Stock
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ID:
552517
Weight:
5.85ct
Size:
16.2 x 10.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
11.44
Item in Stock
More Options & Item Details
ID:
711020
Weight:
20.03ct
Size:
18.3 x 14.2 mm
Clarity:
VVS
Content:
1 pc
Price:
$
168.25
Item in Stock
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ID:
650092
Weight:
1.33ct
Size:
6 x 6 mm (calibrated)
Clarity:
VS
Price:
$
11.17
Item in Stock
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Select
1
2
3
pcs 0 in Cart
ID:
585379
Weight:
15.40ct
Size:
16 x 16 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
145.55
Item in Stock
More Options & Item Details
ID:
718581
Weight:
5.42ct
Size:
12 x 12 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
24.40
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
I am filling a small treasure chest and picked a nice amethyst.
Posted By VinnyD in August, 2025
Source: Bizrate
Overall Rating -> 9
I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.
Posted By Jewelry Quality Stones in July, 2025
Source: Bizrate
Overall Rating -> 10
It was easy to navigate
Posted By GemGod in July, 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
I feel Gemselect is a trustworthy company to buy from
Posted By Becky in October, 2025
Source: Bizrate
Overall Rating -> 10
went well
Posted By Doug in May, 2025
Source: Bizrate
Overall Rating -> 10
Absolutely love the website, selection and products. Can you guys add a gemstones with inclusions tab. I like those it'd be nice to have them all in one place but i do understand it would be alot of work to go through and categorize them. Thank you anyways
Posted By The homie edgar in December, 2025
Source: Bizrate
Overall Rating -> 9
I love the gems!
Posted By MM in April, 2025
Source: Bizrate
Overall Rating -> 10
I was able to find what I was looking for
Posted By Lincolnpremier in January, 2025
Source: Bizrate