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:
371693
Weight:
5.78ct (total)
Size:
8.2 x 5.2 mm
Clarity:
VS
Content:
7 pcs
Price:
$
38.15
Item in Stock
More Options & Item Details
ID:
389219
Weight:
1.04ct
Size:
8.1 x 5.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
68.64
Item in Stock
More Options & Item Details
ID:
710206
Weight:
1.17ct
Size:
11.1 x 5.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
3.41
Item in Stock
More Options & Item Details
ID:
533960
Weight:
1.54ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
11.86
Item in Stock
More Options & Item Details
ID:
685157
Weight:
2.01ct
Size:
8 x 8 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
19.30
Item in Stock
More Options & Item Details
ID:
481449
Weight:
4.24ct (total)
Size:
6 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
121.84
Item in Stock
More Options & Item Details
ID:
473698
Weight:
2.60ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
34.32
Item in Stock
More Options & Item Details
ID:
551441
Weight:
2.86ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
25.82
Item in Stock
More Options & Item Details
ID:
731120
Weight:
17.43ct
Size:
19.1 x 17.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
21.34
Item in Stock
More Options & Item Details
ID:
458232
Weight:
1.48ct (total)
Size:
4.6 x 3.7 mm
Clarity:
VS
Content:
4 pcs
Price:
$
195.36
Item in Stock
More Options & Item Details
ID:
428656
Weight:
33.71ct
Size:
30.3 x 28.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
29.82
Item in Stock
More Options & Item Details
ID:
713069
Weight:
18.07ct
Size:
21.1 x 16.1 mm
Clarity:
VVS
Content:
1 pc
Price:
$
151.79
Item in Stock
More Options & Item Details
ID:
697748
Weight:
0.73ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
4.38
Item in Stock
More Options & Item Details
ID:
393567
Weight:
3.88ct
Size:
9.5 x 9.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
25.61
Item in Stock
More Options & Item Details
ID:
566564
Weight:
1.87ct (total)
Size:
7 x 7 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
12.35
Item in Stock
More Options & Item Details
ID:
699530
Weight:
0.69ct
Size:
5.2 x 5.2 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
6.62
Item in Stock
More Options & Item Details
ID:
644764
Weight:
4.35ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
24.70
Item in Stock
More Options & Item Details
ID:
418438
Weight:
11.00ct
Size:
16 x 12 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
21.78
Item in Stock
More Options & Item Details
ID:
721941
Weight:
1.01ct (total)
Size:
8 x 4 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
18.18
Item in Stock
More Options & Item Details
ID:
437808
Weight:
11.53ct
Size:
15.6 x 11.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
121.75
Item in Stock
More Options & Item Details
ID:
640366
Weight:
0.75ct
Size:
5 x 5 mm (calibrated)
Clarity:
Transparent
Price:
$
8.10
Item in Stock
More Options & Item Details
ID:
464361
Weight:
3.83ct (total)
Size:
3.9 x 3.8 mm
Clarity:
VS
Content:
10 pcs
Price:
$
35.39
Item in Stock
More Options & Item Details
ID:
721622
Weight:
22.93ct
Size:
36.1 x 16.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
82.55
Item in Stock
More Options & Item Details
ID:
428619
Weight:
2.44ct
Size:
12 x 7.3 mm
Clarity:
VVS
Content:
1 pc
Price:
$
19.32
Item in Stock
More Options & Item Details
ID:
364191
Weight:
1.98ct
Size:
17.8 x 3.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
78.61
Item in Stock
More Options & Item Details
ID:
730204
Weight:
0.86ct
Size:
8.4 x 3.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
51.60
Item in Stock
More Options & Item Details
ID:
682343
Weight:
11.64ct
Size:
21.3 x 11.5 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
111.74
Item in Stock
More Options & Item Details
ID:
709377
Weight:
0.91ct
Size:
10.2 x 4 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
7.64
Item in Stock
More Options & Item Details
ID:
732213
Weight:
1.22ct
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
46.85
Item in Stock
More Options & Item Details
ID:
296638
Weight:
3.59ct (total)
Size:
8 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
5 pcs
Price:
$
21.77
Item in Stock
More Options & Item Details
ID:
730477
Weight:
3.62ct
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
32.41
Item in Stock
More Options & Item Details
ID:
686043
Weight:
4.05ct
Size:
10.5 x 8.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
4.86
Item in Stock
More Options & Item Details
ID:
708629
Weight:
5.16ct
Size:
16 x 11.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
156.29
Item in Stock
More Options & Item Details
ID:
333645
Weight:
16.70ct (total)
Size:
15.3 x 11.1 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
242.48
Item in Stock
More Options & Item Details
ID:
651936
Weight:
2.54ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
21.34
Item in Stock
More Options & Item Details
ID:
625116
Weight:
0.85ct
Size:
6.5 x 4.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
3.37
Item in Stock
More Options & Item Details
ID:
421922
Weight:
1.52ct (total)
Size:
6.2 x 4.3 mm
Clarity:
VS
Content:
3 pcs
Price:
$
80.26
Item in Stock
More Options & Item Details
ID:
743998
Weight:
23.16ct
Size:
17 x 17 mm (calibrated)
Clarity:
IF
Content:
1 pc
Price:
$
463.20
Item in Stock
More Options & Item Details
ID:
418234
Weight:
8.43ct
Size:
16.2 x 10.6 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
16.68
Item in Stock
More Options & Item Details
ID:
427164
Weight:
1.24ct
Size:
9 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
14.72
Item in Stock
More Options & Item Details
ID:
710504
Weight:
6.23ct
Size:
12 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
4.12
Item in Stock
More Options & Item Details
ID:
472055
Weight:
39.99ct
Size:
27.5 x 21.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
15.36
Item in Stock
More Options & Item Details
ID:
680795
Weight:
1.19ct
Size:
6 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
35.70
Item in Stock
More Options & Item Details
ID:
471283
Weight:
63.98ct
Size:
35.5 x 26.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
42.23
Item in Stock
More Options & Item Details
ID:
678401
Weight:
23.30ct (total)
Size:
23.9 x 12.6 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
27.96
Item in Stock
More Options & Item Details
ID:
651068
Weight:
1.97ct
Size:
9 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
16.55
Item in Stock
More Options & Item Details
ID:
621023
Weight:
4.41ct (total)
Size:
12 x 6 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
40.75
Item in Stock
More Options & Item Details
ID:
415978
Weight:
1.53ct
Size:
19.5 x 3.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
48.47
Item in Stock
More Options & Item Details
ID:
729878
Weight:
1.52ct
Size:
8.7 x 6.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
255.36
Item in Stock
More Options & Item Details
ID:
689092
Weight:
1.81ct (total)
Size:
9.1 x 5.2 mm
Clarity:
VS
Content:
2 pcs
Price:
$
17.38
Item in Stock
More Options & Item Details
ID:
636977
Weight:
6.01ct
Size:
14.9 x 11.1 mm
Clarity:
VVS
Content:
1 pc
Price:
$
14.42
Item in Stock
More Options & Item Details
ID:
418232
Weight:
7.18ct
Size:
16.3 x 9.9 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
14.22
Item in Stock
More Options & Item Details
ID:
422912
Weight:
3.16ct (total)
Size:
8 x 5 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
25.03
Item in Stock
More Options & Item Details
ID:
608858
Weight:
62.48ct (total)
Size:
25.2 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
98.15
Item in Stock
More Options & Item Details
ID:
479511
Weight:
17.34ct (total)
Size:
19.5 x 12.8 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
31.58
Item in Stock
More Options & Item Details
ID:
267556
Weight:
18.25ct (total)
Size:
9.8 x 9.6 mm
Clarity:
Opaque
Content:
4 pcs
Price:
$
120.46
Item in Stock
More Options & Item Details
ID:
532238
Weight:
6.70ct
Size:
12.5 x 10.2 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
48.65
Item in Stock
More Options & Item Details
ID:
574851
Weight:
6.92ct
Size:
15 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
62.66
Item in Stock
More Options & Item Details
ID:
620996
Weight:
2.01ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
SI
Content:
2 pcs
Price:
$
45.83
Item in Stock
More Options & Item Details
ID:
543969
Weight:
2.06ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
41.44
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 like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.
Posted By Nate in March, 2025
Source: Bizrate
Overall Rating -> 10
Easy picking, fast checkout, secure shipping. Cana't ask for anything more than efficiency and a good price.
Posted By Beman in September, 2025
Source: Bizrate
Overall Rating -> 9
Nothing bad to report. Everything is as expected. The gems and the price are all very good.
Posted By Dafanatic in August, 2025
Source: Bizrate
Overall Rating -> 10
The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.
Posted By Jen in December, 2025
Source: Bizrate
Overall Rating -> 10
this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.
Posted By Tommyp in November, 2025
Source: Bizrate
Overall Rating -> 10
love these guys been ordering since 2000 maybe
Posted By JHT in April, 2025
Source: Bizrate
Overall Rating -> 9
Been using them for years! Very satisfied with the products.
Posted By PI SC in May, 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
It was easy and to the point
Posted By Victorius in May, 2025
Source: Bizrate