Loose Untreated Gemstones: Certified Natural Gems for Collectors and Jewelry, Wholesale Untreated Stones
Bi-color Untreated Gemstones
Black Untreated Gemstones
Blue Untreated Gemstones
Brown Untreated Gemstones
Golden Untreated Gemstones
Gray Untreated Gemstones
Green Untreated Gemstones
Multicolor Untreated Gemstones
Orange Untreated Gemstones
Pink Untreated Gemstones
Purple Untreated Gemstones
Red Untreated Gemstones
Turquoise Untreated Gemstones
Violet Untreated Gemstones
White Untreated Gemstones
Yellow Untreated Gemstones
Clear Colors
Single
Pairs
Lots
Faceted
Cabochons
Showing results for
Sort By:
Price - High to Low
Price - Low to High
Size - Largest to Smallest
Size - Smallest to Largest
Weight - High to Low
Weight - Low to High
Gemtypes in Category:
Actinolite Cat's Eye (55)
Agate (545)
Agate Geode (17)
Alexandrite (28)
Almandine Garnet (320)
Amazonite (280)
Amethyst (2978)
Amethyst Geode Slice (70)
Ametrine (145)
Andalusite (192)
Apatite (271)
Aquamarine (116)
Aragonite (27)
Aventurine (134)
Axinite (10)
Beryl (580)
Black Opal (6)
Bloodstone (211)
Boulder Opal (229)
Calcite (71)
Carnelian (30)
Cat's Eye Apatite (30)
Cat's Eye Aquamarine (15)
Cat's Eye Beryl (3)
Cat's Eye Moonstone (36)
Cat's Eye Opal (142)
Cat's Eye Scapolite (79)
Cavansite (36)
Chalcedony (221)
Charoite (125)
Chocolate Opal (75)
Chrome Diopside (112)
Chrome Tourmaline (2)
Chrysoberyl (93)
Chrysoberyl Cat's Eye (55)
Chrysocolla (49)
Chrysoprase (19)
Cinnabar (78)
Citrine (4507)
Clinohumite (32)
Color-Change Diaspore (855)
Color-Change Fluorite (55)
Color-Change Garnet (193)
Coral (267)
Demantoid Garnet (235)
Dendritic Agate (198)
Diamond (600)
Druzy Amethyst (3)
Druzy Azurite (13)
Druzy Citrine (45)
Druzy Variscite (130)
Emerald (1)
Enstatite (3)
Feather Pyrite (43)
Fire Agate (314)
Fire Opal (123)
Fluorite (159)
Fossil Coral (322)
Golden Beryl (149)
Grandidierite (165)
Grossularite Garnet (35)
Hematite (352)
Hemimorphite Druzy (46)
Hessonite Garnet (2162)
Hiddenite (10)
Howlite (133)
Idocrase (22)
Imperial Topaz (12)
Iolite (169)
Jade (68)
Jadeite (279)
Jasper (1330)
Kornerupine (209)
Kunzite (385)
Kyanite (747)
Labradorite (1211)
Lapis Lazuli (2)
Larimar (122)
Lazulite (10)
Lepidolite (33)
Malachite (189)
Malaya Garnet (109)
Mali Garnet (7)
Matrix Opal (16)
Maw-Sit-Sit (121)
Moldavite (8)
Moonstone (963)
Morganite (979)
Moss Agate (54)
Mother of Pearl (11)
Nuummite (115)
Obsidian (208)
Opal (896)
Peanut Wood (11)
Peridot (1442)
Pietersite (584)
Prehnite (793)
Psilomelane Dendrite (23)
Pyrite (11)
Pyrope Garnet (1699)
Quartz (67)
Quartz Cat's Eye (70)
Quartz With Hedenbergite (7)
Quartz With Marcasite (185)
Rainbow Moonstone (926)
Rainbow Pyrite (249)
Rhodochrosite (138)
Rhodolite Garnet (407)
Rhodonite (30)
Rose Quartz (680)
Rubellite Tourmaline (9)
Ruby (4)
Ruby in Fuchsite (92)
Ruby-Zoisite (213)
Rutile Quartz (499)
Sapphire (60)
Scolecite (30)
Seraphinite (44)
Serpentine (74)
Sillimanite (68)
Sillimanite Cat's Eye (381)
Smithsonite (1)
Smoky Quartz (951)
Snowflake Obsidian (23)
Sodalite (21)
Spectrolite (127)
Spessartite Garnet (456)
Sphalerite (352)
Sphene (585)
Spinel (883)
Star Diopside (163)
Star Garnet (119)
Star Moonstone (78)
Star Rose Quartz (23)
Star Ruby (1)
Star Sapphire (15)
Strawberry Quartz (1092)
Sunstone (527)
Tiger's Eye (785)
Tiger's Eye Matrix (281)
Topaz (482)
Tourmaline (2596)
Tsavorite Garnet (186)
Turquoise (96)
Uvarovite Garnet Drusy (50)
Variscite (5)
Zircon (782)
Clear All
ID:
728238
Weight:
4.89ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
11.74
Item in Stock
More Options & Item Details
ID:
376863
Weight:
1.95ct
Size:
7.9 x 6.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
15.17
Item in Stock
More Options & Item Details
ID:
467812
Weight:
10.58ct
Size:
17.5 x 9.7 mm
Clarity:
VVS
Content:
1 pc
Price:
$
2,285.28
Item in Stock
More Options & Item Details
ID:
720316
Weight:
1.17ct
Size:
7.1 x 5.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
112.62
Item in Stock
More Options & Item Details
ID:
429483
Weight:
0.85ct
Size:
6.3 x 5 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
67.32
Item in Stock
More Options & Item Details
ID:
717176
Weight:
1.71ct (total)
Size:
7.3 x 5.3 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
34.88
Item in Stock
More Options & Item Details
ID:
634898
Weight:
0.85ct
Size:
8 x 5.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
22.44
Item in Stock
More Options & Item Details
ID:
393357
Weight:
2.36ct (total)
Size:
4 x 2.1 mm
Clarity:
VS
Content:
20 pcs
Price:
$
171.34
Item in Stock
More Options & Item Details
ID:
719060
Weight:
3.94ct
Size:
9.2 x 8.1 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
98.50
Item in Stock
More Options & Item Details
ID:
715778
Weight:
2.81ct (total)
Size:
8 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
26.98
Item in Stock
More Options & Item Details
ID:
486011
Weight:
2.46ct
Size:
9.2 x 6.6 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
22.73
Item in Stock
More Options & Item Details
ID:
370102
Weight:
1.14ct
Size:
15.5 x 3.3 mm
Clarity:
VVS
Content:
1 pc
Price:
$
24.43
Item in Stock
More Options & Item Details
ID:
733147
Weight:
3.22ct
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
29.10
Item in Stock
More Options & Item Details
ID:
306478
Weight:
33.08ct
Size:
22 x 19.1 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
52.40
Item in Stock
More Options & Item Details
ID:
478606
Weight:
2.25ct (total)
Size:
5.8 x 4.2 mm
Clarity:
VS
Content:
4 pcs
Price:
$
297.00
Item in Stock
More Options & Item Details
ID:
438080
Weight:
2.33ct
Size:
7.9 x 7.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
107.65
Item in Stock
More Options & Item Details
ID:
626189
Weight:
1.29ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
34.06
Item in Stock
More Options & Item Details
ID:
376739
Weight:
2.21ct
Size:
8.5 x 6.9 mm
Clarity:
Transparent/Translucent
Content:
1 pc
Price:
$
20.42
Item in Stock
More Options & Item Details
ID:
569018
Weight:
0.80ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
7.39
Item in Stock
More Options & Item Details
ID:
628387
Weight:
11.36ct
Size:
17.5 x 11.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
68.16
Item in Stock
More Options & Item Details
ID:
450148
Weight:
2.44ct (total)
Size:
4.8 x 4.8 mm
Clarity:
VS
Content:
4 pcs
Price:
$
22.55
Item in Stock
More Options & Item Details
ID:
454041
Weight:
0.64ct
Size:
10 x 3.6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
27.04
Item in Stock
More Options & Item Details
ID:
724810
Weight:
0.71ct
Size:
10.4 x 2.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
29.82
Item in Stock
More Options & Item Details
ID:
609395
Weight:
4.79ct
Size:
12.1 x 9.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
49.00
Item in Stock
More Options & Item Details
ID:
696125
Weight:
23.86ct
Size:
21.8 x 21.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
16.32
Item in Stock
More Options & Item Details
ID:
674148
Weight:
1.00ct
Size:
9.1 x 6.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
42.00
Item in Stock
More Options & Item Details
ID:
682113
Weight:
9.01ct
Size:
14.9 x 12 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
54.06
Item in Stock
More Options & Item Details
ID:
693865
Weight:
2.65ct
Size:
11 x 8.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
7.95
Item in Stock
More Options & Item Details
ID:
691394
Weight:
11.27ct
Size:
15.1 x 10.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
14.06
Item in Stock
More Options & Item Details
ID:
463004
Weight:
4.18ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
33.11
Item in Stock
More Options & Item Details
ID:
594844
Weight:
15.90ct
Size:
17.7 x 14.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
125.93
Item in Stock
More Options & Item Details
ID:
707959
Weight:
8.42ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
8.09
Item in Stock
More Options & Item Details
ID:
386578
Weight:
8.35ct (total)
Size:
14.4 x 7.5 mm
Clarity:
Translucent
Content:
4 pcs
Price:
$
74.29
Item in Stock
More Options & Item Details
ID:
446004
Weight:
7.56ct
Size:
14 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
20.06
Item in Stock
More Options & Item Details
ID:
560880
Weight:
0.89ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
8.22
Item in Stock
More Options & Item Details
ID:
712427
Weight:
4.86ct (total)
Size:
12 x 6 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
12.95
Item in Stock
More Options & Item Details
ID:
640741
Weight:
0.94ct
Size:
5.9 x 5.5 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
6.20
Item in Stock
More Options & Item Details
ID:
371591
Weight:
5.18ct (total)
Size:
8 x 5 mm (calibrated)
Clarity:
VS
Content:
6 pcs
Price:
$
34.19
Item in Stock
More Options & Item Details
ID:
398214
Weight:
1.76ct
Size:
23.7 x 3.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
46.46
Item in Stock
More Options & Item Details
ID:
483547
Weight:
1.52ct
Size:
6.9 x 5.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
130.42
Item in Stock
More Options & Item Details
ID:
660406
Weight:
1.37ct
Size:
6 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
3.30
Item in Stock
More Options & Item Details
ID:
422590
Weight:
10.18ct
Size:
18 x 14.6 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
40.31
Item in Stock
More Options & Item Details
ID:
691676
Weight:
0.56ct
Size:
4.9 x 4.7 mm
Clarity:
VVS
Content:
1 pc
Price:
$
47.04
Item in Stock
More Options & Item Details
ID:
706674
Weight:
23.12ct
Size:
28.2 x 19.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
12.48
Item in Stock
More Options & Item Details
ID:
727065
Weight:
0.62ct
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
15.50
Item in Stock
More Options & Item Details
ID:
662982
Weight:
3.83ct
Size:
12 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
9.19
Item in Stock
More Options & Item Details
ID:
720490
Weight:
1.14ct
Size:
7 x 6 mm
Clarity:
VS
Content:
1 pc
Price:
$
205.20
Item in Stock
More Options & Item Details
ID:
488491
Weight:
1.79ct (total)
Size:
8 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
9.46
Item in Stock
More Options & Item Details
ID:
325877
Weight:
6.39ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent/Translucent
Content:
4 pcs
Price:
$
22.78
Item in Stock
More Options & Item Details
ID:
522844
Weight:
10.24ct
Size:
16.9 x 12.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
245.76
Item in Stock
More Options & Item Details
ID:
474094
Weight:
4.28ct
Size:
11 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
39.55
Item in Stock
More Options & Item Details
ID:
480287
Weight:
7.17ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
66.25
Item in Stock
More Options & Item Details
ID:
687068
Weight:
0.33ct
Size:
6 x 4 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
15.84
Item in Stock
More Options & Item Details
ID:
473057
Weight:
7.37ct
Size:
13.3 x 11.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
66.05
Item in Stock
More Options & Item Details
ID:
612878
Weight:
2.14ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
SI
Content:
2 pcs
Price:
$
70.62
Item in Stock
More Options & Item Details
ID:
320213
Weight:
1.37ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
81.38
Item in Stock
More Options & Item Details
ID:
701829
Weight:
1.04ct
Size:
7.7 x 5.7 mm
Clarity:
VVS
Content:
1 pc
Price:
$
49.92
Item in Stock
More Options & Item Details
ID:
484959
Weight:
37.57ct
Size:
41.6 x 16.4 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
37.19
Item in Stock
More Options & Item Details
ID:
706012
Weight:
1.46ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
12.26
Item in Stock
More Options & Item Details
ID:
707931
Weight:
2.85ct
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
4.72
Item in Stock
More Options & Item Details
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
I was able to find what I was looking for
Posted By Lincolnpremier in January, 2025
Source: Bizrate
Overall Rating -> 9
I love the gems!
Posted By MM in April, 2025
Source: Bizrate
Overall Rating -> 10
Nice website I just don't know much about the quality until I receive the stone.
Posted By Becky in December, 2024
Source: Bizrate
Overall Rating -> 10
The site provided lots of detail, factual data, and good photos. I also like the availability of searching by price range as well as by the type of stone.
Posted By SLIntuitive Donna in July, 2025
Source: Bizrate
Overall Rating -> 10
Good selection, using for custom jewlery for my wife.
Posted By Smitty in June, 2025
Source: Bizrate
Overall Rating -> 10
Easy to conduct search, good amount of stock to select from along with variety of prices.
Posted By Que in June, 2025
Source: Bizrate
Overall Rating -> 10
Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.
Posted By JD in July, 2025
Source: Bizrate
Overall Rating -> 10
The stones are very nice.
Posted By Mvk in August, 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