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 (54)
Agate (589)
Agate Geode (15)
Alexandrite (21)
Almandine Garnet (475)
Amazonite (259)
Amethyst (2866)
Amethyst Geode Slice (69)
Ametrine (166)
Andalusite (191)
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)
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)
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)
Jasper (1332)
Kornerupine (211)
Kunzite (385)
Kyanite (731)
Labradorite (1174)
Lapis Lazuli (2)
Larimar (120)
Lazulite (10)
Lepidolite (27)
Malachite (179)
Malaya Garnet (103)
Mali Garnet (6)
Matrix Opal (16)
Maw-Sit-Sit (117)
Moldavite (5)
Moonstone (946)
Morganite (989)
Moss Agate (56)
Mother of Pearl (10)
Nuummite (115)
Obsidian (204)
Opal (889)
Peanut Wood (10)
Peridot (1413)
Pietersite (652)
Prehnite (790)
Psilomelane Dendrite (23)
Pyrite (6)
Pyrope Garnet (1664)
Quartz (64)
Quartz Cat's Eye (68)
Quartz With Hedenbergite (7)
Quartz With Marcasite (184)
Rainbow Moonstone (912)
Rainbow Pyrite (241)
Rhodochrosite (134)
Rhodolite Garnet (609)
Rhodonite (30)
Rose Quartz (663)
Rubellite Tourmaline (9)
Ruby (4)
Ruby in Fuchsite (90)
Ruby-Zoisite (209)
Rutile Quartz (496)
Sapphire (65)
Scolecite (29)
Seraphinite (41)
Serpentine (71)
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 (944)
Star Diopside (177)
Star Garnet (112)
Star Moonstone (75)
Star Rose Quartz (22)
Star Ruby (1)
Star Sapphire (14)
Strawberry Quartz (1070)
Sunstone (522)
Tiger's Eye (776)
Tiger's Eye Matrix (274)
Topaz (459)
Tourmaline (2722)
Tsavorite Garnet (175)
Turquoise (90)
Uvarovite Garnet Drusy (80)
Variscite (4)
Zircon (771)
Clear All
ID:
706828
Weight:
2.00ct
Size:
8 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
4.80
Item in Stock
More Options & Item Details
ID:
528809
Weight:
1.08ct
Size:
7.6 x 4.5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
94.09
Item in Stock
More Options & Item Details
ID:
692953
Weight:
110.36ct
Size:
34.8 x 31.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
79.46
Item in Stock
More Options & Item Details
ID:
557820
Weight:
3.62ct
Size:
9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
38.38
Item in Stock
More Options & Item Details
ID:
449912
Weight:
2.13ct
Size:
10 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
14.06
Item in Stock
More Options & Item Details
ID:
497090
Weight:
1.79ct
Size:
8.1 x 6.6 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
32.16
Item in Stock
More Options & Item Details
ID:
408065
Weight:
2.26ct
Size:
10.3 x 7.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
74.58
Item in Stock
More Options & Item Details
ID:
706747
Weight:
38.95ct
Size:
32.9 x 30.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
17.53
Item in Stock
More Options & Item Details
ID:
640370
Weight:
1.87ct
Size:
9 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
53.86
Item in Stock
More Options & Item Details
ID:
388987
Weight:
0.84ct
Size:
7 x 5 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
53.94
Item in Stock
More Options & Item Details
ID:
583889
Weight:
4.61ct
Size:
10.5 x 8.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
43.57
Item in Stock
More Options & Item Details
ID:
525634
Weight:
1.65ct
Size:
7.2 x 6.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
304.92
Item in Stock
More Options & Item Details
ID:
472333
Weight:
7.64ct
Size:
14.2 x 11.5 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
70.60
Item in Stock
More Options & Item Details
ID:
714174
Weight:
0.48ct
Size:
4.3 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
14.40
Item in Stock
More Options & Item Details
ID:
689336
Weight:
1.55ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
14.88
Item in Stock
More Options & Item Details
ID:
647251
Weight:
34.30ct
Size:
19.1 x 16.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
82.32
Item in Stock
More Options & Item Details
ID:
673566
Weight:
27.24ct
Size:
23.7 x 17.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
490.32
Item in Stock
More Options & Item Details
ID:
401206
Weight:
7.27ct
Size:
12 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
23.99
Item in Stock
More Options & Item Details
ID:
563593
Weight:
2.92ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
19.27
Item in Stock
More Options & Item Details
ID:
437504
Weight:
1.60ct
Size:
6.5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
42.24
Item in Stock
More Options & Item Details
ID:
510937
Weight:
23.63ct (total)
Size:
20.6 x 11.9 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
50.84
Item in Stock
More Options & Item Details
ID:
595027
Weight:
2.59ct
Size:
9 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
68.38
Item in Stock
More Options & Item Details
ID:
720985
Weight:
27.07ct
Size:
20.1 x 18.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
32.48
Item in Stock
More Options & Item Details
ID:
626163
Weight:
1.14ct
Size:
7 x 4.5 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
4.51
Item in Stock
More Options & Item Details
ID:
261580
Weight:
3.32ct (total)
Size:
5.3 x 2.7 mm
Clarity:
VS
Content:
20 pcs
Price:
$
175.30
Item in Stock
More Options & Item Details
ID:
422828
Weight:
0.86ct
Size:
6 x 4.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
32.98
Item in Stock
More Options & Item Details
ID:
697525
Weight:
5.98ct
Size:
15.1 x 9.2 mm
Clarity:
VVS
Content:
1 pc
Price:
$
43.06
Item in Stock
More Options & Item Details
ID:
485128
Weight:
5.24ct (total)
Size:
9 x 9 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
27.67
Item in Stock
More Options & Item Details
ID:
482161
Weight:
1.75ct
Size:
8.5 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
12.62
Item in Stock
More Options & Item Details
ID:
450922
Weight:
1.57ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
14.51
Item in Stock
More Options & Item Details
ID:
418178
Weight:
8.80ct (total)
Size:
15 x 10 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
17.42
Item in Stock
More Options & Item Details
ID:
540213
Weight:
0.98ct
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
29.21
Item in Stock
More Options & Item Details
ID:
672598
Weight:
5.28ct (total)
Size:
10 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
14.89
Item in Stock
More Options & Item Details
ID:
724837
Weight:
0.96ct
Size:
9.9 x 3.3 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
40.32
Item in Stock
More Options & Item Details
ID:
721915
Weight:
0.55ct
Size:
8 x 4 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
9.90
Item in Stock
More Options & Item Details
ID:
704377
Weight:
1.28ct
Size:
12.4 x 3.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
42.07
Item in Stock
More Options & Item Details
ID:
710787
Weight:
29.36ct
Size:
23.1 x 18 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
52.85
Item in Stock
More Options & Item Details
ID:
547617
Weight:
2.06ct
Size:
6.3 x 6.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
41.74
Item in Stock
More Options & Item Details
ID:
700139
Weight:
0.64ct
Size:
5 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
6.14
Item in Stock
More Options & Item Details
ID:
406965
Weight:
13.22ct
Size:
14 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
49.21
Item in Stock
More Options & Item Details
ID:
549167
Weight:
3.43ct
Size:
9 x 9 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
22.64
Item in Stock
More Options & Item Details
ID:
712428
Weight:
10.73ct (total)
Size:
16 x 8 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
28.58
Item in Stock
More Options & Item Details
ID:
400160
Weight:
6.41ct (total)
Size:
9 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
21.14
Item in Stock
More Options & Item Details
ID:
439411
Weight:
3.24ct (total)
Size:
5.1 x 3.2 mm
Clarity:
VS
Content:
10 pcs
Price:
$
42.22
Item in Stock
More Options & Item Details
ID:
685329
Weight:
0.54ct
Size:
5 x 4 mm (calibrated)
Clarity:
VS-SI
Price:
$
22.68
Item in Stock
More Options & Item Details
ID:
416429
Weight:
2.21ct
Size:
20.5 x 3.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
72.94
Item in Stock
More Options & Item Details
ID:
704933
Weight:
1.03ct
Size:
10 x 7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
30.90
Item in Stock
More Options & Item Details
ID:
556882
Weight:
0.63ct
Size:
6 x 4 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
28.76
Item in Stock
More Options & Item Details
ID:
465766
Weight:
3.98ct (total)
Size:
12 x 6 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
42.02
Item in Stock
More Options & Item Details
ID:
428617
Weight:
3.97ct
Size:
11.5 x 9.5 mm
Clarity:
VVS
Content:
1 pc
Price:
$
31.44
Item in Stock
More Options & Item Details
ID:
683148
Weight:
0.20ct
Size:
3.5 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
114.64
Item in Stock
More Options & Item Details
ID:
486472
Weight:
22.34ct
Size:
33.1 x 9.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
14.75
Item in Stock
More Options & Item Details
ID:
728377
Weight:
18.98ct
Size:
25.2 x 16.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
38.72
Item in Stock
More Options & Item Details
ID:
745435
Weight:
11.67ct
Size:
17.9 x 8.3 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
24.62
Item in Stock
More Options & Item Details
ID:
730237
Weight:
41.53ct
Size:
31.7 x 25.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
39.86
Item in Stock
More Options & Item Details
ID:
463982
Weight:
4.33ct
Size:
11.5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
8.58
Item in Stock
More Options & Item Details
ID:
369620
Weight:
7.50ct
Size:
12 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
32.08
Item in Stock
More Options & Item Details
ID:
745449
Weight:
15.61ct
Size:
16.7 x 9.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
32.94
Item in Stock
More Options & Item Details
ID:
418199
Weight:
10.56ct (total)
Size:
15.2 x 10.9 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
20.90
Item in Stock
More Options & Item Details
ID:
491083
Weight:
5.77ct (total)
Size:
7 mm (calibrated)
Clarity:
Opaque
Content:
4 pcs
Price:
$
16.99
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
nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic
Posted By Steve m. in February, 2025
Source: Bizrate
Overall Rating -> 10
Great experience. I can't wait to explore on the website further.
Posted By Kymmie in September, 2025
Source: Bizrate
Overall Rating -> 10
Was a good experience.
Posted By Tim in July, 2025
Source: Bizrate
Overall Rating -> 10
It was easy to navigate
Posted By GemGod in July, 2025
Source: Bizrate
Overall Rating -> 10
selection was broad and the check out was quick. Great site
Posted By JC Karl in September, 2025
Source: Bizrate
Overall Rating -> 10
Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.
Posted By Fried Rice in August, 2025
Source: Bizrate
Overall Rating -> 10
Very professional site
Posted By JR in January, 2025
Source: Bizrate
Overall Rating -> 8
Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use
Posted By DrD in May, 2025
Source: Bizrate
Overall Rating -> 10
I was able to find what I was looking for
Posted By Lincolnpremier in January, 2025
Source: Bizrate