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 (561)
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Clear All
ID:
722769
Weight:
1.27ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
38.10
Item in Stock
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ID:
676389
Weight:
6.60ct
Size:
15.4 x 14 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
18.77
Item in Stock
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ID:
645481
Weight:
12.87ct
Size:
18.5 x 14.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
63.62
Item in Stock
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ID:
715447
Weight:
1.42ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
13.63
Item in Stock
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ID:
708813
Weight:
4.44ct
Size:
15.7 x 10.8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
134.48
Item in Stock
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ID:
743047
Weight:
1.07ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
44.94
Item in Stock
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ID:
480143
Weight:
3.92ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
Translucent
Content:
7 pcs
Price:
$
36.22
Item in Stock
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ID:
744232
Weight:
4.87ct
Size:
13.4 x 11.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
19.09
Item in Stock
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ID:
451023
Weight:
1.47ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
13.58
Item in Stock
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ID:
648640
Weight:
20.54ct
Size:
24.2 x 19.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
11.83
Item in Stock
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ID:
534198
Weight:
1.47ct
Size:
9 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
13.58
Item in Stock
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ID:
732598
Weight:
0.49ct
Size:
5 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
18.82
Item in Stock
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ID:
721394
Weight:
0.45ct
Size:
7.5 x 3.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
8.10
Item in Stock
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ID:
479041
Weight:
2.34ct (total)
Size:
10.2 x 5.1 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
24.71
Item in Stock
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ID:
606551
Weight:
87.67ct
Size:
38.4 x 31 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
54.38
Item in Stock
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ID:
458476
Weight:
1.89ct (total)
Size:
4.6 x 3.5 mm
Clarity:
VS
Content:
5 pcs
Price:
$
249.48
Item in Stock
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ID:
698543
Weight:
1.07ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
8.99
Item in Stock
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ID:
697599
Weight:
0.53ct (total)
Size:
3.5 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
11.45
Item in Stock
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ID:
563555
Weight:
2.86ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Price:
$
18.88
Item in Stock
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Select
1
2
3
pcs 0 in Cart
ID:
481863
Weight:
1.54ct (total)
Size:
5 x 3 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
97.84
Item in Stock
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ID:
712664
Weight:
4.09ct
Size:
12 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
58.90
Item in Stock
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ID:
558081
Weight:
3.53ct
Size:
12 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
26.70
Item in Stock
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ID:
730062
Weight:
5.24ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
46.91
Item in Stock
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ID:
688013
Weight:
5.05ct
Size:
10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
14.78
Item in Stock
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ID:
727066
Weight:
0.58ct
Size:
7.2 x 5.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
17.40
Item in Stock
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ID:
606775
Weight:
3.01ct
Size:
10 x 10 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
39.73
Item in Stock
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ID:
705612
Weight:
0.51ct
Size:
4.8 mm
Clarity:
SI
Content:
1 pc
Price:
$
17.34
Item in Stock
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ID:
431192
Weight:
1.54ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
16.24
Item in Stock
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ID:
458403
Weight:
1.21ct (total)
Size:
4.3 x 3.5 mm
Clarity:
VS
Content:
4 pcs
Price:
$
159.72
Item in Stock
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ID:
662019
Weight:
1.11ct
Size:
9 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
2.68
Item in Stock
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ID:
470005
Weight:
25.19ct (total)
Size:
12 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
34.92
Item in Stock
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ID:
481343
Weight:
39.20ct
Size:
33.6 x 24.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
38.81
Item in Stock
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ID:
357934
Weight:
4.12ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
10 pcs
Price:
$
27.19
Item in Stock
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ID:
666912
Weight:
86.71ct
Size:
55.7 x 38 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
1,560.78
Item in Stock
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ID:
475371
Weight:
7.16ct
Size:
16 x 12 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
66.16
Item in Stock
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ID:
706950
Weight:
1.44ct
Size:
9.8 x 5.5 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
3.46
Item in Stock
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ID:
517193
Weight:
1.60ct
Size:
9 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
147.84
Item in Stock
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ID:
739328
Weight:
0.12ct
Size:
3.4 mm
Clarity:
VVS
Content:
1 pc
Price:
$
6.00
Item in Stock
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ID:
725459
Weight:
8.59ct
Size:
12 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
9.79
Item in Stock
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ID:
644433
Weight:
2.01ct
Size:
8.3 x 6.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
48.24
Item in Stock
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ID:
650967
Weight:
1.34ct (total)
Size:
7 x 4.8 mm
Clarity:
VS
Content:
2 pcs
Price:
$
12.86
Item in Stock
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ID:
722745
Weight:
11.69ct
Size:
19.5 x 12.3 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
98.20
Item in Stock
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ID:
710191
Weight:
3.10ct
Size:
12.8 x 12 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
9.04
Item in Stock
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ID:
718832
Weight:
4.78ct
Size:
10 x 8.6 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
143.40
Item in Stock
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ID:
490432
Weight:
3.24ct (total)
Size:
6 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
38.15
Item in Stock
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ID:
514065
Weight:
avg. 0.69 ct / each
Size:
6.3 x 4.1 mm
Clarity:
SI
Price:
$
15.11
Item in Stock
More Options & Item Details
Select
1
2
3
4
5
6
7
8
9
10
11
pcs
ID:
687575
Weight:
2.12ct (total)
Size:
6 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
6.20
Item in Stock
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ID:
511312
Weight:
2.23ct
Size:
8.6 x 6.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
41.69
Item in Stock
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ID:
563786
Weight:
0.92ct
Size:
7.5 x 5.9 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
14.02
Item in Stock
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ID:
541536
Weight:
3.54ct (total)
Size:
8.1 x 6.8 mm
Clarity:
VS-SI
Content:
2 pcs
Price:
$
71.12
Item in Stock
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ID:
495703
Weight:
1.33ct
Size:
6.7 x 6.2 mm
Clarity:
VVS
Content:
1 pc
Price:
$
97.12
Item in Stock
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ID:
642158
Weight:
3.02ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
21.74
Item in Stock
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ID:
592188
Weight:
0.63ct
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Price:
$
20.80
Item in Stock
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ID:
396454
Weight:
32.13ct (total)
Size:
35.2 x 13.3 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
42.41
Item in Stock
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ID:
464253
Weight:
4.14ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
38.26
Item in Stock
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ID:
489425
Weight:
2.92ct (total)
Size:
5 mm (calibrated)
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
57.82
Item in Stock
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ID:
497187
Weight:
17.99ct
Size:
26.8 x 17.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
13.60
Item in Stock
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ID:
737605
Weight:
6.78ct
Size:
12 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
40.68
Item in Stock
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ID:
681733
Weight:
0.55ct
Size:
6 x 4 mm (calibrated)
Clarity:
VVS
Price:
$
9.90
Item in Stock
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ID:
427341
Weight:
2.48ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
16.37
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
love these guys been ordering since 2000 maybe
Posted By JHT in April, 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 -> 7
Excited to see
Posted By Ss in December, 2024
Source: Bizrate
Overall Rating -> 10
selection was broad and the check out was quick. Great site
Posted By JC Karl in September, 2025
Source: Bizrate
Overall Rating -> 9
I love wide range of stones.
Always have my preference.
Posted By Ray in April, 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
Loved everything. High quality, quick shipping, and authentication included.
Posted By Chris in March, 2025
Source: Bizrate
Overall Rating -> 10
I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.
Posted By DNaber in October, 2025
Source: Bizrate
Overall Rating -> 10
Great experience. I can't wait to explore on the website further.
Posted By Kymmie in September, 2025
Source: Bizrate