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:
449604
Weight:
4.46ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
29.44
Item in Stock
More Options & Item Details
ID:
737467
Weight:
2.12ct
Size:
9 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
95.40
Item in Stock
More Options & Item Details
ID:
552615
Weight:
14.86ct
Size:
22.3 x 16.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
39.23
Item in Stock
More Options & Item Details
ID:
533013
Weight:
7.48ct
Size:
12 x 12 mm (calibrated)
Clarity:
VVS-VS
Price:
$
13.46
Item in Stock
More Options & Item Details
ID:
368858
Weight:
2.14ct
Size:
8.5 x 7.2 mm
Clarity:
Transparent/Translucent
Content:
1 pc
Price:
$
13.90
Item in Stock
More Options & Item Details
ID:
438757
Weight:
2.67ct (total)
Size:
5 x 3 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
52.34
Item in Stock
More Options & Item Details
ID:
471781
Weight:
12.25ct
Size:
17.7 x 13.6 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
1,131.90
Item in Stock
More Options & Item Details
ID:
491250
Weight:
6.84ct
Size:
18.3 x 9.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
20.14
Item in Stock
More Options & Item Details
ID:
478214
Weight:
1.01ct
Size:
8.6 x 5.3 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
133.32
Item in Stock
More Options & Item Details
ID:
532008
Weight:
3.06ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
16.15
Item in Stock
More Options & Item Details
ID:
606953
Weight:
2.82ct
Size:
10 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
18.61
Item in Stock
More Options & Item Details
ID:
545247
Weight:
2.66ct
Size:
9.9 x 6.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
242.27
Item in Stock
More Options & Item Details
ID:
648287
Weight:
0.76ct
Size:
8 x 6 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
27.36
Item in Stock
More Options & Item Details
ID:
591705
Weight:
7.33ct
Size:
15.7 x 10 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
68.99
Item in Stock
More Options & Item Details
ID:
546894
Weight:
1.28ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
10.14
Item in Stock
More Options & Item Details
ID:
645945
Weight:
24.25ct
Size:
30.6 x 17.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
75.66
Item in Stock
More Options & Item Details
ID:
453052
Weight:
4.44ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
41.03
Item in Stock
More Options & Item Details
ID:
458239
Weight:
1.57ct (total)
Size:
4.5 x 3.7 mm
Clarity:
VS
Content:
4 pcs
Price:
$
207.24
Item in Stock
More Options & Item Details
ID:
701958
Weight:
6.61ct
Size:
15 x 8.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
39.66
Item in Stock
More Options & Item Details
ID:
737277
Weight:
2.42ct
Size:
9 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
108.90
Item in Stock
More Options & Item Details
ID:
720119
Weight:
1.24ct
Size:
6.5 x 5.6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
119.35
Item in Stock
More Options & Item Details
ID:
723455
Weight:
0.95ct
Size:
7 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
9.12
Item in Stock
More Options & Item Details
ID:
368411
Weight:
3.35ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
21.94
Item in Stock
More Options & Item Details
ID:
456419
Weight:
2.12ct
Size:
10.7 x 8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
19.58
Item in Stock
More Options & Item Details
ID:
714973
Weight:
12.56ct
Size:
15 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
32.56
Item in Stock
More Options & Item Details
ID:
453901
Weight:
0.80ct
Size:
9.7 x 4.5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
33.79
Item in Stock
More Options & Item Details
ID:
661943
Weight:
1.98ct
Size:
7 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
4.78
Item in Stock
More Options & Item Details
ID:
514786
Weight:
2.26ct
Size:
9 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
38.78
Item in Stock
More Options & Item Details
ID:
688647
Weight:
0.69ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
20.70
Item in Stock
More Options & Item Details
ID:
519905
Weight:
16.63ct
Size:
25.7 x 12.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
19.54
Item in Stock
More Options & Item Details
ID:
528124
Weight:
1.93ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
20.38
Item in Stock
More Options & Item Details
ID:
534186
Weight:
2.03ct
Size:
9 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
13.24
Item in Stock
More Options & Item Details
ID:
706848
Weight:
1.25ct
Size:
10.1 x 5.3 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
3.00
Item in Stock
More Options & Item Details
ID:
712712
Weight:
7.97ct (total)
Size:
12 x 8 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
21.23
Item in Stock
More Options & Item Details
ID:
663981
Weight:
1.54ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
12.94
Item in Stock
More Options & Item Details
ID:
700367
Weight:
0.68ct
Size:
5.4 x 5.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
29.29
Item in Stock
More Options & Item Details
ID:
710999
Weight:
10.55ct
Size:
16 x 12 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
28.10
Item in Stock
More Options & Item Details
ID:
694816
Weight:
5.19ct
Size:
11 x 8.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
155.70
Item in Stock
More Options & Item Details
ID:
348908
Weight:
34.98ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
46.18
Item in Stock
More Options & Item Details
ID:
742892
Weight:
43.05ct
Size:
37.1 x 34.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
172.20
Item in Stock
More Options & Item Details
ID:
632827
Weight:
2.52ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
18.14
Item in Stock
More Options & Item Details
ID:
445891
Weight:
5.32ct
Size:
11 x 9 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
14.11
Item in Stock
More Options & Item Details
ID:
474960
Weight:
2.54ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
83.82
Item in Stock
More Options & Item Details
ID:
463451
Weight:
1.38ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
27.32
Item in Stock
More Options & Item Details
ID:
400051
Weight:
3.03ct (total)
Size:
8 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
28.00
Item in Stock
More Options & Item Details
ID:
605442
Weight:
30.24ct (total)
Size:
19.4 x 13.1 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
47.10
Item in Stock
More Options & Item Details
ID:
662901
Weight:
1.09ct
Size:
6.3 x 5.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
6.54
Item in Stock
More Options & Item Details
ID:
471048
Weight:
2.20ct
Size:
8 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
20.33
Item in Stock
More Options & Item Details
ID:
424060
Weight:
4.85ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
51.22
Item in Stock
More Options & Item Details
ID:
688643
Weight:
1.76ct
Size:
9 x 7 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
52.80
Item in Stock
More Options & Item Details
ID:
737524
Weight:
2.27ct
Size:
9 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
102.15
Item in Stock
More Options & Item Details
ID:
747671
Weight:
1.70ct
Size:
7.9 x 6.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
306.00
Item in Stock
More Options & Item Details
ID:
711640
Weight:
2.54ct
Size:
12 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
6.77
Item in Stock
More Options & Item Details
ID:
706773
Weight:
2.04ct
Size:
8 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
4.90
Item in Stock
More Options & Item Details
ID:
394821
Weight:
6.28ct
Size:
11 x 11 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
41.45
Item in Stock
More Options & Item Details
ID:
464413
Weight:
4.26ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
39.36
Item in Stock
More Options & Item Details
ID:
474324
Weight:
2.34ct
Size:
8 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
21.62
Item in Stock
More Options & Item Details
ID:
437617
Weight:
1.49ct
Size:
6.5 mm (calibrated)
Clarity:
VVS
Price:
$
39.34
Item in Stock
More Options & Item Details
ID:
559061
Weight:
2.33ct
Size:
7 x 7 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
47.82
Item in Stock
More Options & Item Details
ID:
609392
Weight:
6.34ct
Size:
21.5 x 7.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
64.86
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 -> 9
I think therea's no problem
Posted By Napoleon in August, 2025
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
Site is easy to navigate and the variety is great and how often new products are added is also great.
Posted By Jhidron in March, 2025
Source: Bizrate
Overall Rating -> 9
I love the gems!
Posted By MM in April, 2025
Source: Bizrate
Overall Rating -> 9
I wish there were options for jewelry settings
Posted By Tim in May, 2025
Source: Bizrate
Overall Rating -> 10
Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.
Posted By Happy Customer in June, 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 -> 9
Fast and reliable service.
Posted By Zæck in December, 2025
Source: Bizrate
Overall Rating -> 10
hassle free experience.
Posted By Jhidron in October, 2025
Source: Bizrate