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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Cat's Eye Apatite (29)
Cat's Eye Aquamarine (15)
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Cat's Eye Opal (166)
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Tiger's Eye Matrix (274)
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Uvarovite Garnet Drusy (80)
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ID:
403262
Weight:
43.72ct
Size:
22 x 19 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
807.95
Item in Stock
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ID:
271561
Weight:
9.06ct
Size:
14 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
53.82
Item in Stock
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ID:
278683
Weight:
0.60ct
Size:
6 x 4.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
198.00
Item in Stock
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ID:
365836
Weight:
39.03ct
Size:
33.5 x 33.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
77.27
Item in Stock
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ID:
618058
Weight:
31.65ct (total)
Size:
25 x 18 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
75.96
Item in Stock
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ID:
530144
Weight:
1.38ct
Size:
6.8 x 6.1 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
129.26
Item in Stock
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ID:
381632
Weight:
1.89ct
Size:
9.5 x 6.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
187.66
Item in Stock
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ID:
390885
Weight:
4.42ct
Size:
10.4 x 9.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
237.94
Item in Stock
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ID:
415695
Weight:
1.18ct
Size:
8.8 x 5.2 mm
Clarity:
SI
Content:
1 pc
Price:
$
948.72
Item in Stock
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ID:
338302
Weight:
8.49ct
Size:
16.3 x 10.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
28.01
Item in Stock
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ID:
338674
Weight:
3.17ct (total)
Size:
7 x 7 mm (calibrated)
Clarity:
SI
Content:
2 pcs
Price:
$
144.72
Item in Stock
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ID:
510934
Weight:
37.10ct (total)
Size:
18.4 x 15 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
79.82
Item in Stock
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ID:
578186
Weight:
39.55ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
47.46
Item in Stock
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ID:
693510
Weight:
17.82ct
Size:
17 x 15.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
590.84
Item in Stock
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ID:
573438
Weight:
0.84ct
Size:
8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
33.26
Item in Stock
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ID:
447912
Weight:
46.91ct
Size:
35.1 x 19.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
135.66
Item in Stock
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ID:
407921
Weight:
5.59ct
Size:
14 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
306.59
Item in Stock
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ID:
484654
Weight:
26.04ct
Size:
26.4 x 13.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
20.83
Item in Stock
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ID:
559441
Weight:
7.26ct
Size:
11.6 x 7.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
11.03
Item in Stock
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ID:
690766
Weight:
1.32ct
Size:
7 x 5 mm (calibrated)
Clarity:
I1
Content:
1 pc
Price:
$
79.20
Item in Stock
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ID:
546443
Weight:
avg. 0.65 ct / each
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Price:
$
3.57
Item in Stock
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1
2
3
4
5
6
7
8
9
10
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14
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41
pcs
ID:
545337
Weight:
3.63ct
Size:
11.6 x 6.4 mm
Clarity:
SI
Content:
1 pc
Price:
$
275.52
Item in Stock
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ID:
407797
Weight:
12.27ct
Size:
16 x 12 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
32.39
Item in Stock
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ID:
338882
Weight:
2.12ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VS-SI
Content:
2 pcs
Price:
$
97.94
Item in Stock
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ID:
585682
Weight:
37.46ct
Size:
30 x 22 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
206.03
Item in Stock
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ID:
552516
Weight:
5.96ct
Size:
14.9 x 11.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
31.18
Item in Stock
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ID:
635842
Weight:
9.88ct
Size:
18.1 x 10 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
28.93
Item in Stock
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ID:
692420
Weight:
79.66ct
Size:
26.8 x 23.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
57.36
Item in Stock
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ID:
521754
Weight:
30.94ct
Size:
25.4 x 20.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
204.20
Item in Stock
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ID:
503909
Weight:
avg. 1.24 ct / each
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Price:
$
31.94
Item in Stock
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Select
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
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20
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25
26
27
28
pcs
ID:
482403
Weight:
37.39ct
Size:
35.4 x 25.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
27.14
Item in Stock
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ID:
674986
Weight:
29.24ct
Size:
28.5 x 19.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
26.32
Item in Stock
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ID:
684869
Weight:
57.02ct
Size:
34.5 x 27.6 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
73.21
Item in Stock
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ID:
602195
Weight:
9.89ct
Size:
15 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
48.05
Item in Stock
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ID:
407845
Weight:
6.37ct
Size:
13.3 x 9.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
349.37
Item in Stock
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ID:
415741
Weight:
1.31ct
Size:
7.6 x 6.1 mm
Clarity:
SI
Content:
1 pc
Price:
$
1,174.13
Item in Stock
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ID:
614758
Weight:
11.46ct
Size:
16 x 12 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
627.34
Item in Stock
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ID:
441221
Weight:
11.64ct
Size:
14.1 x 10.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
307.30
Item in Stock
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ID:
600282
Weight:
109.25ct
Size:
46.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
82.20
Item in Stock
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ID:
548151
Weight:
0.89ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
244.75
Item in Stock
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ID:
399659
Weight:
6.54ct
Size:
11 x 11 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
413.52
Item in Stock
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ID:
476750
Weight:
60.46ct
Size:
35.2 x 23 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
51.07
Item in Stock
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ID:
684243
Weight:
21.85ct
Size:
24 x 21.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
28.06
Item in Stock
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ID:
682427
Weight:
14.24ct
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
71.20
Item in Stock
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ID:
447877
Weight:
33.05ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
130.88
Item in Stock
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ID:
547772
Weight:
2.50ct
Size:
7 x 7 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
50.66
Item in Stock
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ID:
609045
Weight:
2.80ct
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
51.74
Item in Stock
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ID:
415384
Weight:
1.10ct
Size:
6.7 x 5.8 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
726.00
Item in Stock
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ID:
447709
Weight:
31.05ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
122.96
Item in Stock
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ID:
690247
Weight:
92.17ct
Size:
32.7 x 28.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
69.60
Item in Stock
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ID:
686626
Weight:
0.16ct
Size:
4.6 x 2.9 mm
Clarity:
VVS
Content:
1 pc
Price:
$
6.40
Item in Stock
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ID:
381560
Weight:
6.65ct
Size:
12 x 10 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
3,773.14
Item in Stock
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ID:
411749
Weight:
1.37ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
63.30
Item in Stock
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ID:
645364
Weight:
27.76ct
Size:
20.1 x 16.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
137.24
Item in Stock
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ID:
605441
Weight:
33.38ct (total)
Size:
20.6 x 13.8 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
43.33
Item in Stock
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ID:
443107
Weight:
3.60ct
Size:
11.9 x 8.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
593.56
Item in Stock
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ID:
407383
Weight:
11.87ct
Size:
18.8 x 12.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
391.72
Item in Stock
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ID:
530666
Weight:
1.68ct
Size:
6.3 x 6 mm
Clarity:
VS
Content:
1 pc
Price:
$
133.06
Item in Stock
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ID:
487522
Weight:
23.80ct
Size:
10 x 13.7 mm
Clarity:
SI
Content:
1 pc
Price:
$
1,256.64
Item in Stock
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ID:
528670
Weight:
35.81ct
Size:
27 x 20 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
94.54
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
Good selection, using for custom jewlery for my wife.
Posted By Smitty in June, 2025
Source: Bizrate
Overall Rating -> 10
Great for buying gemstones, came with authenticity certs. Will buy again someday!
Posted By Uggadugga in May, 2025
Source: Bizrate
Overall Rating -> 10
Great selection of gems at a reasonable price
Posted By Curt in July, 2025
Source: Bizrate
Overall Rating -> 10
the selection is good as are the prices
Posted By Old man in August, 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 -> 10
I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!
Posted By Geof in November, 2025
Source: Bizrate
Overall Rating -> 10
A pleasant experience and many choices to choose from
Posted By Krackenking in November, 2025
Source: Bizrate
Overall Rating -> 10
Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.
Posted By Sal in July, 2025
Source: Bizrate
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
Source: Bizrate