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)
Amethyst (2866)
Amethyst Geode Slice (69)
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Aventurine (130)
Axinite (9)
Beryl (639)
Black Opal (6)
Bloodstone (190)
Boulder Opal (271)
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)
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)
Cinnabar (77)
Citrine (4362)
Clinohumite (30)
Color-Change Diaspore (834)
Color-Change Fluorite (47)
Color-Change Garnet (190)
Color-Change Sapphire (6)
Coral (253)
Demantoid Garnet (232)
Dendritic Agate (199)
Diamond (611)
Druzy Amethyst (3)
Druzy Azurite (13)
Druzy Citrine (44)
Druzy Variscite (130)
Emerald (1)
Enstatite (3)
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Fire Agate (309)
Fire Opal (124)
Fluorite (160)
Fossil Coral (316)
Golden Beryl (142)
Grandidierite (170)
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Hematite (342)
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Hessonite Garnet (2137)
Hiddenite (10)
Howlite (133)
Idocrase (19)
Imperial Topaz (12)
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Ruby (4)
Ruby in Fuchsite (90)
Ruby-Zoisite (209)
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Scolecite (29)
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Sillimanite Cat's Eye (376)
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Snowflake Obsidian (21)
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Sphalerite (345)
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Spinel (944)
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Tiger's Eye Matrix (274)
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Tourmaline (2722)
Tsavorite Garnet (175)
Turquoise (90)
Uvarovite Garnet Drusy (80)
Variscite (4)
Zircon (771)
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ID:
546903
Weight:
1.26ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
9.98
Item in Stock
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ID:
586466
Weight:
59.63ct
Size:
38.2 x 26.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
35.41
Item in Stock
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ID:
438836
Weight:
2.30ct (total)
Size:
5.4 x 3.5 mm
Clarity:
VS
Content:
6 pcs
Price:
$
45.08
Item in Stock
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ID:
534166
Weight:
2.11ct
Size:
9 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
13.75
Item in Stock
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ID:
350497
Weight:
3.25ct (total)
Size:
2.9 x 2.8 mm
Clarity:
Transparent
Content:
30 pcs
Price:
$
74.21
Item in Stock
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ID:
545005
Weight:
2.34ct
Size:
8.8 x 5.7 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
213.13
Item in Stock
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ID:
446589
Weight:
3.92ct
Size:
12 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
11.76
Item in Stock
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ID:
669170
Weight:
4.38ct
Size:
15.2 x 11.2 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
131.40
Item in Stock
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ID:
712154
Weight:
20.99ct (total)
Size:
16 x 12 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
55.92
Item in Stock
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ID:
674277
Weight:
16.44ct
Size:
25.1 x 14.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
295.92
Item in Stock
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ID:
738690
Weight:
0.59ct
Size:
5 x 5 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
5.31
Item in Stock
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ID:
722112
Weight:
1.72ct
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
82.56
Item in Stock
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ID:
586754
Weight:
12.17ct
Size:
16 x 12 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
28.76
Item in Stock
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ID:
678879
Weight:
42.66ct
Size:
23.8 x 21.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
255.96
Item in Stock
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ID:
584810
Weight:
1.73ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
114.18
Item in Stock
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ID:
381262
Weight:
1.84ct (total)
Size:
3.8 x 3.7 mm
Clarity:
VS
Content:
5 pcs
Price:
$
47.16
Item in Stock
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ID:
712466
Weight:
1.46ct
Size:
10 x 5 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
3.89
Item in Stock
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ID:
567612
Weight:
1.09ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
7.20
Item in Stock
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ID:
710373
Weight:
1.79ct
Size:
9 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
5.22
Item in Stock
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ID:
743976
Weight:
0.97ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
40.74
Item in Stock
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ID:
724841
Weight:
1.00ct
Size:
15 x 2.9 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
42.00
Item in Stock
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ID:
456985
Weight:
8.81ct
Size:
16.4 x 9.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
38.76
Item in Stock
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ID:
687926
Weight:
3.44ct
Size:
10 x 8 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
4.13
Item in Stock
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ID:
480277
Weight:
6.52ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
60.24
Item in Stock
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ID:
713919
Weight:
0.83ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
13.94
Item in Stock
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ID:
720850
Weight:
1.49ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
12.52
Item in Stock
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ID:
491472
Weight:
39.77ct
Size:
33.3 x 26.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
70.34
Item in Stock
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ID:
565406
Weight:
9.31ct
Size:
19.3 x 12.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
36.86
Item in Stock
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ID:
206864
Weight:
2.41ct (total)
Size:
4 mm (calibrated)
Clarity:
VS-SI
Content:
9 pcs
Price:
$
143.16
Item in Stock
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ID:
436743
Weight:
2.67ct
Size:
10.4 x 7.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
8.68
Item in Stock
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ID:
706437
Weight:
4.76ct
Size:
11 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
9.71
Item in Stock
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ID:
670755
Weight:
0.62ct
Size:
5 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
22.32
Item in Stock
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ID:
508980
Weight:
25.81ct
Size:
19.2 x 16.1 mm
Clarity:
VVS
Content:
1 pc
Price:
$
238.49
Item in Stock
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ID:
715110
Weight:
2.35ct (total)
Size:
6.5 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
6.10
Item in Stock
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ID:
460964
Weight:
4.41ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
40.75
Item in Stock
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ID:
494201
Weight:
3.69ct
Size:
12 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
26.45
Item in Stock
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ID:
635361
Weight:
1.89ct
Size:
8 x 8 mm (calibrated)
Clarity:
VVS
Price:
$
15.88
Item in Stock
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Select
1
2
3
4
pcs 0 in Cart
ID:
534772
Weight:
3.26ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
25.82
Item in Stock
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ID:
392621
Weight:
4.55ct
Size:
11 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
30.04
Item in Stock
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ID:
672432
Weight:
1.94ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
46.56
Item in Stock
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ID:
629219
Weight:
11.65ct
Size:
17 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
97.86
Item in Stock
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ID:
471923
Weight:
1.45ct
Size:
9.4 x 6.6 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
870.00
Item in Stock
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ID:
526314
Weight:
1.18ct
Size:
7.1 x 5.6 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
85.67
Item in Stock
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ID:
569231
Weight:
2.13ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
42.35
Item in Stock
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ID:
745764
Weight:
1.18ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
37.76
Item in Stock
More Options & Item Details
ID:
713882
Weight:
1.80ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
15.12
Item in Stock
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ID:
643801
Weight:
1.26ct
Size:
7 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
10.58
Item in Stock
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ID:
696800
Weight:
0.66ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
3.96
Item in Stock
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ID:
613895
Weight:
14.64ct
Size:
20.2 x 10.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
57.97
Item in Stock
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ID:
708443
Weight:
1.29ct
Size:
7.5 x 5.8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
26.64
Item in Stock
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ID:
548176
Weight:
17.16ct (total)
Size:
15 x 14 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
412.18
Item in Stock
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ID:
722456
Weight:
47.73ct
Size:
35.9 x 23 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
400.93
Item in Stock
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ID:
712790
Weight:
9.73ct
Size:
16 x 12 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
25.92
Item in Stock
More Options & Item Details
ID:
693348
Weight:
3.97ct
Size:
8.4 x 7.6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
131.63
Item in Stock
More Options & Item Details
ID:
724293
Weight:
3.45ct (total)
Size:
8 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
33.12
Item in Stock
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ID:
480798
Weight:
5.79ct (total)
Size:
9 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
41.28
Item in Stock
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ID:
648825
Weight:
2.64ct
Size:
11.9 x 8.4 mm
Clarity:
VVS
Content:
1 pc
Price:
$
22.18
Item in Stock
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ID:
575437
Weight:
3.11ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
90.31
Item in Stock
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ID:
672434
Weight:
1.67ct
Size:
7.9 x 6.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
40.08
Item in Stock
More Options & Item Details
ID:
742957
Weight:
6.67ct
Size:
14.9 x 10.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
13.34
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 was easy to navigate
Posted By GemGod in July, 2025
Source: Bizrate
Overall Rating -> 10
It's mostly good, only some item's are easier to find through the search than the menu
Posted By Wayne in July, 2025
Source: Bizrate
Overall Rating -> 10
Very fast navigation and purchase, which is good. I need to strike while the iron is hot.
Posted By Tim G. in February, 2025
Source: Bizrate
Overall Rating -> 9
the gems were smaller than I thought but I was at fault for not reading the complete discrimination
Posted By Tim in May, 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
Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!
Posted By Britnee Rose in September, 2025
Source: Bizrate
Overall Rating -> 10
My experience was done with ease
Posted By Barb in October, 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
Very good
Hoping you will increase your inventory especially in the 6mm
Thanks
Posted By Ibie in February, 2025
Source: Bizrate