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)
Almandine Garnet (475)
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Calcite (71)
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)
Chalcedony (203)
Charoite (122)
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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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Tiger's Eye Matrix (274)
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Uvarovite Garnet Drusy (80)
Variscite (4)
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Clear All
ID:
745191
Weight:
45.40ct
Size:
30 x 12 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
95.79
Item in Stock
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ID:
569914
Weight:
2.92ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
21.50
Item in Stock
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ID:
687075
Weight:
0.28ct
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
13.44
Item in Stock
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ID:
728164
Weight:
0.07ct
Size:
2.6 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
28.87
Item in Stock
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ID:
426457
Weight:
9.22ct (total)
Size:
10 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
42.60
Item in Stock
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ID:
642962
Weight:
4.08ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
37.45
Item in Stock
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ID:
730034
Weight:
0.24ct
Size:
5 x 3 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
11.52
Item in Stock
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ID:
714131
Weight:
0.34ct
Size:
4 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
10.20
Item in Stock
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ID:
736553
Weight:
31.89ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
44.96
Item in Stock
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ID:
668873
Weight:
10.55ct
Size:
20.7 x 11.8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
227.88
Item in Stock
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ID:
727034
Weight:
0.53ct
Size:
8 x 5 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
15.90
Item in Stock
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ID:
704408
Weight:
0.94ct
Size:
5.5 x 5.4 mm
Clarity:
VVS
Content:
1 pc
Price:
$
30.90
Item in Stock
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ID:
554180
Weight:
7.92ct
Size:
16 x 12 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
60.01
Item in Stock
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ID:
390520
Weight:
2.12ct (total)
Size:
4 x 3 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
136.45
Item in Stock
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ID:
699662
Weight:
1.07ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
10.27
Item in Stock
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ID:
693420
Weight:
5.92ct
Size:
12 x 8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
196.28
Item in Stock
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ID:
471312
Weight:
26.13ct
Size:
28.4 x 16.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
50.36
Item in Stock
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ID:
485228
Weight:
6.37ct (total)
Size:
9 x 9 mm (calibrated)
Clarity:
Translucent
Content:
4 pcs
Price:
$
33.64
Item in Stock
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ID:
464246
Weight:
3.48ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
32.16
Item in Stock
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ID:
546952
Weight:
2.62ct (total)
Size:
8.2 x 6.3 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
41.50
Item in Stock
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ID:
654805
Weight:
13.57ct
Size:
18 x 18 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
42.18
Item in Stock
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ID:
745789
Weight:
0.50ct
Size:
6.6 x 4.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
11.50
Item in Stock
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ID:
697227
Weight:
22.03ct
Size:
35.2 x 8.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
2.64
Item in Stock
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ID:
504664
Weight:
2.22ct
Size:
8 x 8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
15.65
Item in Stock
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ID:
519999
Weight:
39.05ct
Size:
21.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
45.88
Item in Stock
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ID:
618111
Weight:
1.12ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
48.28
Item in Stock
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ID:
681788
Weight:
0.98ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
17.64
Item in Stock
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ID:
594893
Weight:
4.53ct
Size:
11.5 x 11 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
59.80
Item in Stock
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ID:
518680
Weight:
33.84ct
Size:
24.8 x 16 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
39.76
Item in Stock
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ID:
692159
Weight:
0.95ct
Size:
5.7 mm
Clarity:
SI-I1
Content:
1 pc
Price:
$
57.00
Item in Stock
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ID:
446983
Weight:
1.91ct
Size:
8.3 x 6.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
90.26
Item in Stock
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ID:
689674
Weight:
2.91ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
23.28
Item in Stock
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ID:
499901
Weight:
15.59ct (total)
Size:
14 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
118.32
Item in Stock
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ID:
718855
Weight:
0.68ct
Size:
6 x 4 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
12.24
Item in Stock
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ID:
516186
Weight:
19.79ct
Size:
16.7 x 10.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
23.24
Item in Stock
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ID:
718010
Weight:
1.17ct (total)
Size:
5.2 x 4 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
35.10
Item in Stock
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ID:
492858
Weight:
6.84ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
49.48
Item in Stock
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ID:
517501
Weight:
36.77ct
Size:
31.8 x 22.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
24.71
Item in Stock
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ID:
733420
Weight:
2.84ct
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
25.67
Item in Stock
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ID:
486528
Weight:
74.72ct
Size:
45.4 x 40.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
75.94
Item in Stock
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ID:
640013
Weight:
0.26ct
Size:
5 x 3 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
12.48
Item in Stock
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ID:
720387
Weight:
1.15ct
Size:
6.7 x 5.5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
165.60
Item in Stock
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ID:
606776
Weight:
2.95ct
Size:
10 x 10 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
38.94
Item in Stock
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ID:
524644
Weight:
avg. 1.27 ct / each
Size:
6 mm (calibrated)
Clarity:
VS-SI
Price:
$
16.73
Item in Stock
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ID:
460449
Weight:
1.81ct
Size:
8.8 x 6.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
4,013.86
Item in Stock
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ID:
619770
Weight:
17.09ct (total)
Size:
16 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
45.12
Item in Stock
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ID:
676236
Weight:
2.85ct
Size:
14 x 9 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
6.75
Item in Stock
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ID:
497509
Weight:
2.48ct
Size:
9.2 x 7.4 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
65.47
Item in Stock
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ID:
494331
Weight:
3.42ct
Size:
12 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
12.24
Item in Stock
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ID:
707971
Weight:
2.72ct
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
4.50
Item in Stock
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ID:
721960
Weight:
23.02ct
Size:
30.4 x 18 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
82.87
Item in Stock
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ID:
721597
Weight:
16.20ct
Size:
15.7 x 13.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
16.20
Item in Stock
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ID:
472334
Weight:
11.72ct
Size:
17.3 x 13.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
108.29
Item in Stock
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ID:
667053
Weight:
7.83ct
Size:
14 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
10.33
Item in Stock
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ID:
565146
Weight:
0.14ct (total)
Size:
2.7 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
306.46
Item in Stock
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ID:
650029
Weight:
11.25ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
7.97
Item in Stock
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ID:
622740
Weight:
0.37ct
Size:
4.6 x 4 mm
Clarity:
VS
Content:
1 pc
Price:
$
24.42
Item in Stock
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ID:
744040
Weight:
1.72ct
Size:
7.4 x 5.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
464.40
Item in Stock
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ID:
582362
Weight:
5.53ct
Size:
13.1 x 10.1 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
29.20
Item in Stock
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ID:
418916
Weight:
11.48ct
Size:
18.7 x 13.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
22.73
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
It's always a pleasure doing business with Gem Select. Outstanding products ant very reasonable prices. Thank You One and All.
Posted By G.W. or Bakyow in July, 2025
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Overall Rating -> 10
Very food
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Overall Rating -> 10
My experience was done with ease
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Overall Rating -> 10
Very good
Hoping you will increase your inventory especially in the 6mm
Thanks
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Overall Rating -> 10
I would recommend gem select yo everyone
Fast service and no problems
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Overall Rating -> 10
I love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.
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Overall Rating -> 10
Filters need to be improved but rest of website is great
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Overall Rating -> 9
I love wide range of stones.
Always have my preference.
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Overall Rating -> 9
Been using them for years! Very satisfied with the products.
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