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)
Amazonite (259)
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Black Opal (6)
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Calcite (71)
Carnelian (21)
Cat's Eye Alexandrite (36)
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)
Cat's Eye Scapolite (78)
Cavansite (36)
Chalcedony (203)
Charoite (122)
Chocolate Opal (76)
Chrome Diopside (101)
Chrysoberyl (93)
Chrysoberyl Cat's Eye (55)
Chrysocolla (50)
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Citrine (4362)
Clinohumite (30)
Color-Change Diaspore (834)
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Color-Change Garnet (190)
Color-Change Sapphire (4)
Coral (253)
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Dendritic Agate (199)
Diamond (611)
Druzy Amethyst (3)
Druzy Azurite (13)
Druzy Citrine (44)
Druzy Variscite (130)
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Fire Opal (124)
Fluorite (160)
Fossil Coral (316)
Golden Beryl (142)
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Hematite (342)
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Spectrolite (120)
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Spinel (942)
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Tiger's Eye Matrix (274)
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Tsavorite Garnet (175)
Turquoise (90)
Uvarovite Garnet Drusy (80)
Variscite (4)
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ID:
400805
Weight:
3.08ct
Size:
9 x 9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
20.33
Item in Stock
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ID:
660663
Weight:
1.41ct
Size:
7.9 x 6.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
33.84
Item in Stock
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ID:
711809
Weight:
6.34ct
Size:
14 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
16.88
Item in Stock
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ID:
745781
Weight:
4.62ct
Size:
12.6 x 8.6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
231.00
Item in Stock
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ID:
308166
Weight:
3.12ct (total)
Size:
3 x 2.9 mm
Clarity:
Transparent
Content:
20 pcs
Price:
$
70.01
Item in Stock
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ID:
597802
Weight:
26.04ct
Size:
21.9 x 14 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
68.75
Item in Stock
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ID:
387274
Weight:
2.60ct (total)
Size:
4.5 x 4.5 mm
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
17.16
Item in Stock
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ID:
650145
Weight:
4.17ct
Size:
14 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
2.95
Item in Stock
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ID:
669079
Weight:
15.15ct
Size:
17 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
327.24
Item in Stock
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ID:
706399
Weight:
5.54ct
Size:
11.4 x 9.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
11.30
Item in Stock
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ID:
451298
Weight:
1.43ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
13.21
Item in Stock
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ID:
712192
Weight:
3.69ct
Size:
14 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
9.83
Item in Stock
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ID:
495372
Weight:
1.78ct
Size:
7 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
38.16
Item in Stock
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ID:
383321
Weight:
1.66ct
Size:
20.7 x 3.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
42.02
Item in Stock
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ID:
567597
Weight:
3.59ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
23.70
Item in Stock
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ID:
678354
Weight:
2.90ct
Size:
9 x 6.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
6.96
Item in Stock
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ID:
306480
Weight:
45.90ct
Size:
24 x 21.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
66.10
Item in Stock
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ID:
550841
Weight:
1.65ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
12.42
Item in Stock
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ID:
708056
Weight:
7.83ct (total)
Size:
14 x 10 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
7.51
Item in Stock
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ID:
704637
Weight:
1.10ct
Size:
10 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
33.00
Item in Stock
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ID:
650031
Weight:
9.89ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
7.01
Item in Stock
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ID:
463500
Weight:
1.35ct
Size:
7.1 x 4.8 mm
Clarity:
VVS
Content:
1 pc
Price:
$
26.74
Item in Stock
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ID:
715487
Weight:
5.67ct (total)
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
54.43
Item in Stock
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ID:
635827
Weight:
4.20ct
Size:
12 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
21.58
Item in Stock
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ID:
730024
Weight:
0.31ct
Size:
5 x 3 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
14.88
Item in Stock
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ID:
706968
Weight:
1.68ct
Size:
8 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
4.03
Item in Stock
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ID:
458262
Weight:
2.04ct (total)
Size:
4.5 x 3.6 mm
Clarity:
VS
Content:
6 pcs
Price:
$
269.28
Item in Stock
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ID:
422563
Weight:
8.25ct
Size:
15.3 x 11.2 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
32.68
Item in Stock
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ID:
739333
Weight:
0.27ct
Size:
4.5 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
13.50
Item in Stock
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ID:
640084
Weight:
0.57ct
Size:
5.5 x 4.2 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
30.10
Item in Stock
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ID:
648647
Weight:
19.85ct
Size:
25.8 x 19.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
11.44
Item in Stock
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ID:
359626
Weight:
22.96ct
Size:
22.2 x 16.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
60.61
Item in Stock
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ID:
646753
Weight:
0.64ct
Size:
6.7 x 4.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
5.38
Item in Stock
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ID:
478617
Weight:
0.71ct
Size:
7.6 x 4.5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
30.04
Item in Stock
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ID:
716389
Weight:
0.49ct
Size:
6.4 x 3.2 mm
Clarity:
VVS
Content:
1 pc
Price:
$
31.16
Item in Stock
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ID:
537508
Weight:
2.03ct (total)
Size:
7 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
60.05
Item in Stock
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ID:
390588
Weight:
2.55ct (total)
Size:
5 x 3 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
164.12
Item in Stock
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ID:
720535
Weight:
1.16ct
Size:
5.8 x 5.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
111.65
Item in Stock
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ID:
375989
Weight:
4.10ct
Size:
10.5 x 9.1 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
31.78
Item in Stock
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ID:
691871
Weight:
0.70ct
Size:
5.4 x 4.8 mm
Clarity:
SI-I1
Content:
1 pc
Price:
$
42.00
Item in Stock
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ID:
744221
Weight:
18.26ct
Size:
23.9 x 13.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
71.58
Item in Stock
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ID:
659439
Weight:
9.21ct
Size:
17.5 x 16.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
22.10
Item in Stock
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ID:
710240
Weight:
16.56ct
Size:
20 x 12.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
526.61
Item in Stock
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ID:
587547
Weight:
27.81ct (total)
Size:
13.9 x 12.8 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
30.84
Item in Stock
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ID:
491007
Weight:
7.87ct (total)
Size:
7 mm (calibrated)
Clarity:
Opaque
Content:
5 pcs
Price:
$
23.17
Item in Stock
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ID:
305965
Weight:
1.99ct (total)
Size:
6.8 x 5.6 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
13.14
Item in Stock
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ID:
470839
Weight:
5.35ct
Size:
9.5 x 9.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
224.70
Item in Stock
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ID:
491846
Weight:
14.58ct (total)
Size:
17.6 x 9.3 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
13.99
Item in Stock
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ID:
736572
Weight:
22.92ct
Size:
24.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
32.32
Item in Stock
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ID:
724909
Weight:
1.06ct
Size:
8.8 x 4.4 mm
Clarity:
VVS
Content:
1 pc
Price:
$
44.52
Item in Stock
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ID:
663063
Weight:
4.81ct
Size:
12 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
11.54
Item in Stock
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ID:
663075
Weight:
0.63ct
Size:
6.1 x 5.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
9.36
Item in Stock
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ID:
322521
Weight:
8.93ct (total)
Size:
8.5 x 7.2 mm
Clarity:
Transparent/Translucent
Content:
4 pcs
Price:
$
58.94
Item in Stock
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ID:
656112
Weight:
1.00ct
Size:
8 x 8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
24.00
Item in Stock
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ID:
744746
Weight:
0.68ct
Size:
5.7 x 4.5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
68.00
Item in Stock
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ID:
668365
Weight:
0.09ct
Size:
2.7 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
36.67
Item in Stock
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ID:
492258
Weight:
7.03ct
Size:
15.2 x 12 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
26.45
Item in Stock
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ID:
484396
Weight:
5.50ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
72.60
Item in Stock
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ID:
467969
Weight:
5.63ct (total)
Size:
3.2 mm
Clarity:
Transparent
Content:
30 pcs
Price:
$
37.16
Item in Stock
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ID:
706990
Weight:
2.13ct
Size:
8 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
5.11
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
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
Enjoy every moment
Posted By Ferns in October, 2025
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Overall Rating -> 10
Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.
Posted By Happy Customer in June, 2025
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Overall Rating -> 10
So far, my experience was great...Thanks
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Overall Rating -> 9
Fast and reliable service.
Posted By Zæck in December, 2025
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Overall Rating -> 10
I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.
Posted By Sam in March, 2025
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Overall Rating -> 10
So far So good
Posted By VH-1 in July, 2025
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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
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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
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