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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Apatite (264)
Aquamarine (96)
Aragonite (24)
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)
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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)
Feather Pyrite (43)
Fire Agate (309)
Fire Opal (124)
Fluorite (160)
Fossil Coral (316)
Golden Beryl (142)
Grandidierite (170)
Grossularite Garnet (31)
Hematite (342)
Hemimorphite Druzy (46)
Hessonite Garnet (2137)
Hiddenite (10)
Howlite (133)
Idocrase (19)
Imperial Topaz (12)
Iolite (155)
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Jadeite (264)
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Ruby (4)
Ruby in Fuchsite (90)
Ruby-Zoisite (209)
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Spinel (944)
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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:
482557
Weight:
4.86ct (total)
Size:
4.8 x 3 mm
Clarity:
VS
Content:
20 pcs
Price:
$
320.76
Item in Stock
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ID:
592306
Weight:
0.71ct
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
19.53
Item in Stock
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ID:
733427
Weight:
3.28ct
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
29.64
Item in Stock
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ID:
713885
Weight:
1.93ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
16.21
Item in Stock
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ID:
529577
Weight:
7.04ct (total)
Size:
9 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
27.88
Item in Stock
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ID:
725597
Weight:
0.78ct
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
7.49
Item in Stock
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ID:
708647
Weight:
1.37ct
Size:
7.6 x 5.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
23.58
Item in Stock
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ID:
650198
Weight:
1.49ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
12.52
Item in Stock
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ID:
677862
Weight:
0.04ct
Size:
1.8 x 1.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
24.00
Item in Stock
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ID:
371585
Weight:
4.80ct (total)
Size:
8.2 x 5.2 mm
Clarity:
VS
Content:
6 pcs
Price:
$
31.68
Item in Stock
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ID:
383631
Weight:
1.43ct
Size:
17.9 x 3.1 mm
Clarity:
VVS
Content:
1 pc
Price:
$
36.05
Item in Stock
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ID:
682551
Weight:
10.02ct
Size:
17.5 x 10.9 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
96.19
Item in Stock
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ID:
663121
Weight:
0.97ct
Size:
6 x 5.4 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
5.82
Item in Stock
More Options & Item Details
ID:
636620
Weight:
0.84ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
44.35
Item in Stock
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ID:
695210
Weight:
5.87ct
Size:
10.6 x 7.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
176.10
Item in Stock
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ID:
391145
Weight:
29.46ct (total)
Size:
26.1 x 12.4 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
58.33
Item in Stock
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ID:
279896
Weight:
2.10ct (total)
Size:
4 mm (calibrated)
Clarity:
VS
Content:
9 pcs
Price:
$
138.60
Item in Stock
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ID:
734983
Weight:
10.09ct (total)
Size:
11 x 9 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
50.45
Item in Stock
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ID:
719560
Weight:
0.88ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
7.39
Item in Stock
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ID:
733089
Weight:
1.00ct
Size:
7.1 x 5.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
42.00
Item in Stock
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ID:
694306
Weight:
22.97ct
Size:
27 x 20 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
68.92
Item in Stock
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ID:
497746
Weight:
3.11ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
Translucent
Content:
4 pcs
Price:
$
21.48
Item in Stock
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ID:
565143
Weight:
0.15ct (total)
Size:
2.7 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
328.36
Item in Stock
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ID:
417761
Weight:
2.85ct (total)
Size:
4.5 mm (calibrated)
Clarity:
VS-SI
Content:
5 pcs
Price:
$
116.63
Item in Stock
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ID:
536193
Weight:
1.57ct
Size:
8 x 8 mm (calibrated)
Clarity:
VVS-VS
Price:
$
12.43
Item in Stock
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Select
1
2
3
pcs 0 in Cart
ID:
662700
Weight:
1.44ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
34.56
Item in Stock
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ID:
418204
Weight:
11.78ct (total)
Size:
15.3 x 11.1 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
23.33
Item in Stock
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ID:
673200
Weight:
11.27ct
Size:
14.9 x 13.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
67.62
Item in Stock
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ID:
450963
Weight:
1.79ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
16.54
Item in Stock
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ID:
475093
Weight:
29.95ct (total)
Size:
19.3 x 11.8 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
71.16
Item in Stock
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ID:
390733
Weight:
2.02ct (total)
Size:
3.5 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
130.02
Item in Stock
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ID:
600423
Weight:
6.12ct
Size:
14 x 10.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
27.40
Item in Stock
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ID:
418211
Weight:
6.02ct
Size:
13.4 x 9.6 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
11.92
Item in Stock
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ID:
645939
Weight:
13.84ct
Size:
26 x 14.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
7.80
Item in Stock
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ID:
595265
Weight:
10.19ct
Size:
14.7 x 13.6 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
40.36
Item in Stock
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ID:
346896
Weight:
1.51ct
Size:
16.7 x 3.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
43.85
Item in Stock
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ID:
664843
Weight:
1.67ct
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
12.02
Item in Stock
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ID:
518309
Weight:
23.74ct
Size:
18.2 x 14.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
27.89
Item in Stock
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ID:
599540
Weight:
10.50ct
Size:
19.2 x 13.2 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
34.66
Item in Stock
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ID:
464263
Weight:
3.77ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
34.84
Item in Stock
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ID:
697049
Weight:
36.65ct
Size:
30.5 x 18.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
25.07
Item in Stock
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ID:
637121
Weight:
0.86ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
45.41
Item in Stock
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ID:
687140
Weight:
7.17ct (total)
Size:
9 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
20.99
Item in Stock
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ID:
672920
Weight:
0.98ct
Size:
7 x 5 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
3.53
Item in Stock
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ID:
718217
Weight:
0.72ct
Size:
6 x 4 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
21.60
Item in Stock
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ID:
620783
Weight:
1.15ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
10.63
Item in Stock
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ID:
528214
Weight:
1.02ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
9.42
Item in Stock
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ID:
498262
Weight:
2.31ct
Size:
11 x 9 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
63.61
Item in Stock
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ID:
454361
Weight:
1.00ct
Size:
11.3 x 4.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
42.24
Item in Stock
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ID:
490730
Weight:
5.52ct
Size:
14 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
36.43
Item in Stock
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ID:
709348
Weight:
1.69ct
Size:
7.7 x 5.3 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
30.28
Item in Stock
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ID:
518310
Weight:
23.01ct
Size:
19.7 x 16.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
27.04
Item in Stock
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ID:
562903
Weight:
4.57ct
Size:
12 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
42.23
Item in Stock
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ID:
715112
Weight:
2.31ct (total)
Size:
6 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
5.99
Item in Stock
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ID:
696845
Weight:
30.96ct
Size:
25.7 x 21.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
21.18
Item in Stock
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ID:
726805
Weight:
0.76ct
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
13.68
Item in Stock
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ID:
490275
Weight:
1.60ct
Size:
7.2 x 6.5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
121.66
Item in Stock
More Options & Item Details
ID:
712414
Weight:
10.51ct
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
28.00
Item in Stock
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ID:
700127
Weight:
0.85ct
Size:
5 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
51.00
Item in Stock
More Options & Item Details
ID:
705855
Weight:
0.74ct
Size:
6 x 6 mm (calibrated)
Clarity:
VVS
Price:
$
6.22
Item in Stock
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Select
1
2
3
pcs 0 in Cart
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
If you have motion picture, then I will be more satisfied with.
Posted By Ray in November, 2025
Source: Bizrate
Overall Rating -> 10
All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.
Posted By Bob D in December, 2025
Source: Bizrate
Overall Rating -> 10
I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.
Posted By DNaber in October, 2025
Source: Bizrate
Overall Rating -> 10
I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well
Posted By Marti in July, 2025
Source: Bizrate
Overall Rating -> 8
I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.
Posted By Atsu in December, 2025
Source: Bizrate
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
Source: Bizrate
Overall Rating -> 10
Great experience. I can't wait to explore on the website further.
Posted By Kymmie in September, 2025
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Overall Rating -> 9
Very easy to navigate with a great selection.
Posted By Bar181 in August, 2025
Source: Bizrate
Overall Rating -> 9
I did not have any problems
Posted By Clilrichard in January, 2025
Source: Bizrate