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 (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)
Cinnabar (77)
Citrine (4362)
Clinohumite (30)
Color-Change Diaspore (834)
Color-Change Fluorite (47)
Color-Change Garnet (190)
Color-Change Sapphire (4)
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)
Jade (68)
Jadeite (264)
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Kyanite (731)
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Quartz Cat's Eye (68)
Quartz With Hedenbergite (7)
Quartz With Marcasite (184)
Rainbow Moonstone (912)
Rainbow Pyrite (241)
Rhodochrosite (134)
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Rubellite Tourmaline (9)
Ruby (4)
Ruby in Fuchsite (90)
Ruby-Zoisite (209)
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Sapphire (65)
Scolecite (29)
Seraphinite (41)
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Sillimanite (67)
Sillimanite Cat's Eye (376)
Smithsonite (1)
Smoky Quartz (919)
Snowflake Obsidian (21)
Sodalite (19)
Spectrolite (120)
Spessartite Garnet (452)
Sphalerite (345)
Sphene (574)
Spinel (942)
Star Diopside (177)
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Star Moonstone (75)
Star Rose Quartz (22)
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Sunstone (522)
Tiger's Eye (776)
Tiger's Eye Matrix (274)
Topaz (459)
Tourmaline (2718)
Tsavorite Garnet (175)
Turquoise (90)
Uvarovite Garnet Drusy (80)
Variscite (4)
Zircon (771)
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ID:
694474
Weight:
21.72ct
Size:
18 x 18 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
182.45
Item in Stock
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ID:
721179
Weight:
1.07ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
8.99
Item in Stock
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ID:
603883
Weight:
25.12ct
Size:
31.8 x 19.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
26.53
Item in Stock
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ID:
664831
Weight:
0.84ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
9.07
Item in Stock
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ID:
501046
Weight:
5.65ct
Size:
12 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
52.21
Item in Stock
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ID:
603878
Weight:
1.97ct (total)
Size:
7.1 x 57 mm
Clarity:
VS
Content:
2 pcs
Price:
$
18.20
Item in Stock
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ID:
326052
Weight:
2.94ct
Size:
8.8 x 7.7 mm
Clarity:
Transparent/Translucent
Content:
1 pc
Price:
$
10.48
Item in Stock
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ID:
654815
Weight:
2.05ct
Size:
20.2 x 5.1 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
17.22
Item in Stock
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ID:
517066
Weight:
29.40ct
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
34.55
Item in Stock
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ID:
551478
Weight:
2.77ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
25.02
Item in Stock
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ID:
495458
Weight:
20.50ct (total)
Size:
17.1 x 12.4 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
29.22
Item in Stock
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ID:
543424
Weight:
2.22ct
Size:
9 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
43.04
Item in Stock
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ID:
318378
Weight:
1.12ct
Size:
10 x 7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
62.09
Item in Stock
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ID:
711965
Weight:
1.78ct
Size:
9 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
4.74
Item in Stock
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ID:
513989
Weight:
2.80ct
Size:
10.5 x 7.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
22.18
Item in Stock
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ID:
413634
Weight:
3.41ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
22.51
Item in Stock
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ID:
720893
Weight:
1.34ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
11.26
Item in Stock
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ID:
721882
Weight:
15.45ct
Size:
17.8 x 15.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
18.54
Item in Stock
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ID:
691408
Weight:
3.60ct
Size:
10.3 x 7.4 mm
Clarity:
VVS
Content:
1 pc
Price:
$
95.04
Item in Stock
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ID:
545062
Weight:
1.59ct (total)
Size:
6.3 x 4.2 mm
Clarity:
SI-I1
Content:
2 pcs
Price:
$
41.98
Item in Stock
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ID:
739552
Weight:
1.15ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
10.35
Item in Stock
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ID:
732120
Weight:
0.80ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
30.72
Item in Stock
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ID:
487910
Weight:
19.96ct
Size:
20.9 x 19.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
14.76
Item in Stock
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ID:
410317
Weight:
6.06ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
40.00
Item in Stock
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ID:
464279
Weight:
3.63ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
33.54
Item in Stock
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ID:
482155
Weight:
2.32ct
Size:
9 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
16.73
Item in Stock
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ID:
731025
Weight:
14.76ct (total)
Size:
18.8 x 14.4 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
10.09
Item in Stock
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ID:
746010
Weight:
2.17ct
Size:
8.5 x 7.4 mm
Clarity:
VVS
Content:
1 pc
Price:
$
70.09
Item in Stock
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ID:
381742
Weight:
1.63ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
64.55
Item in Stock
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ID:
713674
Weight:
1.03ct
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
8.65
Item in Stock
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ID:
672178
Weight:
0.70ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
16.80
Item in Stock
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ID:
699182
Weight:
25.60ct
Size:
26.6 x 14.4 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
30.72
Item in Stock
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ID:
460430
Weight:
3.54ct
Size:
13 x 9 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
32.71
Item in Stock
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ID:
669014
Weight:
0.80ct
Size:
5.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
768.00
Item in Stock
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ID:
725616
Weight:
0.88ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
8.45
Item in Stock
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ID:
387603
Weight:
4.78ct (total)
Size:
4.6 x 4.6 mm
Clarity:
VVS-VS
Content:
10 pcs
Price:
$
31.55
Item in Stock
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ID:
660023
Weight:
2.13ct
Size:
7 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
5.14
Item in Stock
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ID:
350534
Weight:
2.79ct (total)
Size:
3 x 3 mm (calibrated)
Clarity:
Transparent
Content:
20 pcs
Price:
$
63.72
Item in Stock
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ID:
527846
Weight:
0.80ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
8.45
Item in Stock
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ID:
537027
Weight:
1.23ct
Size:
7.6 x 5.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
4.87
Item in Stock
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ID:
724484
Weight:
0.86ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
21.50
Item in Stock
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ID:
464372
Weight:
4.03ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
37.24
Item in Stock
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ID:
447457
Weight:
19.22ct
Size:
14 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
38.05
Item in Stock
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ID:
594888
Weight:
7.43ct
Size:
13 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
98.08
Item in Stock
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ID:
691636
Weight:
0.56ct
Size:
4.4 x 4.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
47.04
Item in Stock
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ID:
720366
Weight:
1.57ct
Size:
7.3 x 5.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
151.12
Item in Stock
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ID:
688885
Weight:
0.95ct
Size:
9.2 x 4.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
9.12
Item in Stock
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ID:
460417
Weight:
3.58ct
Size:
11 x 8.2 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
39.38
Item in Stock
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ID:
526828
Weight:
3.86ct
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
36.32
Item in Stock
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ID:
519618
Weight:
1.90ct
Size:
9 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
175.56
Item in Stock
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ID:
596475
Weight:
16.38ct
Size:
17.1 x 12.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
144.43
Item in Stock
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ID:
744760
Weight:
3.41ct
Size:
10.9 x 9.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
6.82
Item in Stock
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ID:
636612
Weight:
0.79ct
Size:
7.5 x 5.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
41.71
Item in Stock
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ID:
680803
Weight:
1.30ct
Size:
7 x 5 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
39.00
Item in Stock
More Options & Item Details
ID:
724833
Weight:
0.49ct
Size:
18.8 x 2.1 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
20.58
Item in Stock
More Options & Item Details
ID:
743335
Weight:
8.16ct
Size:
23 x 12.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
32.64
Item in Stock
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ID:
723882
Weight:
55.54ct
Size:
23.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
65.98
Item in Stock
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ID:
698788
Weight:
0.98ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
8.23
Item in Stock
More Options & Item Details
ID:
501494
Weight:
21.56ct
Size:
33.5 x 20.1 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
42.68
Item in Stock
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ID:
681831
Weight:
9.48ct
Size:
15.6 x 11.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
11.38
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
A pleasant experience and many choices to choose from
Posted By Krackenking in November, 2025
Source: Bizrate
Overall Rating -> 8
Good prices
Posted By TRM in October, 2025
Source: Bizrate
Overall Rating -> 10
looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones..
Posted By Steven M. in February, 2025
Source: Bizrate
Overall Rating -> 10
I love the product and the details about each of them.
Posted By Love It! in July, 2025
Source: Bizrate
Overall Rating -> 10
I could see the actual gem I was buying
Posted By Bugs in December, 2025
Source: Bizrate
Overall Rating -> 10
looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones.
.
Posted By Steven M. in February, 2025
Source: Bizrate
Overall Rating -> 9
Very easy to navigate with a great selection.
Posted By Bar181 in August, 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
When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.
Posted By LeAnn in April, 2025
Source: Bizrate