Loose Untreated Gemstones: Certified Natural Gems for Collectors and Jewelry, Wholesale Untreated Stones
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Actinolite Cat's Eye (54)
Agate (589)
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Uvarovite Garnet Drusy (80)
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ID:
643705
Weight:
4.95ct
Size:
12 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
45.02
Item in Stock
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ID:
715778
Weight:
2.81ct (total)
Size:
8 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
26.98
Item in Stock
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ID:
546166
Weight:
0.98ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS
Price:
$
6.47
Item in Stock
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Select
1
2
3
pcs 0 in Cart
ID:
710170
Weight:
2.88ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Price:
$
24.19
Item in Stock
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Select
1
2
3
pcs 0 in Cart
ID:
661860
Weight:
1.68ct
Size:
8 x 6.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
40.32
Item in Stock
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ID:
656165
Weight:
2.01ct
Size:
12 x 6 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
3.13
Item in Stock
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ID:
422793
Weight:
0.74ct
Size:
5.6 x 5.2 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
23.65
Item in Stock
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ID:
396551
Weight:
0.88ct
Size:
6.7 x 4.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
55.48
Item in Stock
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ID:
552220
Weight:
0.88ct
Size:
6.8 x 6.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
7.39
Item in Stock
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ID:
629220
Weight:
6.90ct
Size:
19 x 8.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
57.96
Item in Stock
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ID:
737843
Weight:
13.27ct (total)
Size:
20.1 x 17.3 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
398.10
Item in Stock
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ID:
512781
Weight:
2.00ct
Size:
8.4 x 6.9 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
36.06
Item in Stock
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ID:
446095
Weight:
4.23ct
Size:
11.7 x 8.3 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
30.88
Item in Stock
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ID:
480245
Weight:
1.76ct
Size:
7.8 x 7.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
16.26
Item in Stock
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ID:
570398
Weight:
2.08ct
Size:
7 x 7 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
49.42
Item in Stock
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ID:
476714
Weight:
37.59ct
Size:
35.8 x 22.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
31.76
Item in Stock
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ID:
365614
Weight:
15.73ct
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
31.15
Item in Stock
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ID:
389718
Weight:
3.04ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
20.06
Item in Stock
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ID:
706484
Weight:
3.46ct
Size:
8 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
7.06
Item in Stock
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ID:
704996
Weight:
26.34ct
Size:
38 x 9.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
6.32
Item in Stock
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ID:
694320
Weight:
1.08ct
Size:
16 x 3 mm
Clarity:
VVS
Content:
1 pc
Price:
$
32.40
Item in Stock
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ID:
683994
Weight:
0.38ct
Size:
4.5 x 3.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
15.96
Item in Stock
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ID:
747233
Weight:
1.41ct
Size:
7.3 x 6.1 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
197.40
Item in Stock
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ID:
489436
Weight:
2.13ct (total)
Size:
5 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
42.18
Item in Stock
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ID:
473836
Weight:
10.16ct
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
26.82
Item in Stock
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ID:
708053
Weight:
16.40ct (total)
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
15.74
Item in Stock
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ID:
718203
Weight:
0.04ct
Size:
2.1 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
38.40
Item in Stock
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ID:
693404
Weight:
4.13ct
Size:
11 x 9 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
14.87
Item in Stock
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ID:
393602
Weight:
5.86ct
Size:
11 x 11 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
38.68
Item in Stock
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ID:
398601
Weight:
1.27ct
Size:
8.3 x 4.4 mm
Clarity:
VVS
Content:
1 pc
Price:
$
79.72
Item in Stock
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ID:
745968
Weight:
1.05ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
33.60
Item in Stock
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ID:
715000
Weight:
2.08ct (total)
Size:
6 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
5.39
Item in Stock
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ID:
611442
Weight:
4.83ct
Size:
12 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
19.13
Item in Stock
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ID:
487847
Weight:
3.52ct
Size:
10.5 x 8.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
32.65
Item in Stock
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ID:
707854
Weight:
6.20ct
Size:
14.5 x 11.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
44.64
Item in Stock
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ID:
479283
Weight:
2.39ct (total)
Size:
10.1 x 5.1 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
25.24
Item in Stock
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ID:
434017
Weight:
4.42ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
29.17
Item in Stock
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ID:
692506
Weight:
22.92ct
Size:
20 x 15 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
192.53
Item in Stock
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ID:
435371
Weight:
5.00ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
39.60
Item in Stock
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ID:
491580
Weight:
45.07ct (total)
Size:
16 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
52.94
Item in Stock
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ID:
714886
Weight:
18.22ct
Size:
17.1 x 15.6 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
546.60
Item in Stock
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ID:
664794
Weight:
1.68ct
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
12.10
Item in Stock
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ID:
512775
Weight:
2.21ct
Size:
9.2 x 7.6 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
47.81
Item in Stock
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ID:
564696
Weight:
23.35ct (total)
Size:
18.3 x 11.8 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
53.33
Item in Stock
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ID:
678704
Weight:
5.31ct (total)
Size:
10 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
44.60
Item in Stock
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ID:
491921
Weight:
48.94ct
Size:
22.3 x 19.8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
128.56
Item in Stock
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ID:
714220
Weight:
0.70ct
Size:
5 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
21.00
Item in Stock
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ID:
565505
Weight:
4.06ct
Size:
12 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
26.80
Item in Stock
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ID:
450009
Weight:
23.88ct (total)
Size:
22.4 x 15 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
63.05
Item in Stock
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ID:
634914
Weight:
7.27ct
Size:
12.8 x 10.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
37.34
Item in Stock
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ID:
497873
Weight:
3.25ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
Translucent
Content:
4 pcs
Price:
$
22.44
Item in Stock
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ID:
552399
Weight:
0.89ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
8.22
Item in Stock
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ID:
709307
Weight:
28.75ct
Size:
22.7 x 15.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
103.50
Item in Stock
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ID:
681872
Weight:
21.32ct
Size:
25.2 x 6.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
204.67
Item in Stock
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ID:
365064
Weight:
1.41ct
Size:
18.9 x 3.2 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
37.13
Item in Stock
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ID:
480913
Weight:
2.18ct (total)
Size:
5.6 x 3.7 mm
Clarity:
VS
Content:
4 pcs
Price:
$
18.31
Item in Stock
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ID:
735012
Weight:
2.63ct
Size:
10 x 7 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
15.78
Item in Stock
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ID:
430948
Weight:
6.34ct
Size:
13 x 9 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
16.49
Item in Stock
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ID:
551273
Weight:
2.97ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
26.81
Item in Stock
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ID:
401423
Weight:
8.33ct
Size:
12 x 12 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
27.48
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
I wish there were options for jewelry settings
Posted By Tim in May, 2025
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Overall Rating -> 10
Very good Hoping you will increase your inventory especially in the 6mmThanks
Posted By Ibie in February, 2025
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Overall Rating -> 10
selection was broad and the check out was quick. Great site
Posted By JC Karl in September, 2025
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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.
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Overall Rating -> 10
Great selection of gems at a reasonable price
Posted By Curt in July, 2025
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Overall Rating -> 10
My experience was done with ease
Posted By Barb in October, 2025
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Overall Rating -> 10
I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.
Posted By Tim in March, 2025
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Overall Rating -> 10
there are a large number of gems to choose from i have ordered before and these objects are precious to me that my light reflect in them and fills the stones they are there when i need to reflect on life
Posted By Kickbass.2 in January, 2025
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Overall Rating -> 10
Had a great experience and the prices are great
Posted By BuBx99 in November, 2025
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