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 (163)
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 (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)
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 (987)
Moss Agate (56)
Mother of Pearl (10)
Nuummite (115)
Obsidian (202)
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 (607)
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 (942)
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 (2718)
Tsavorite Garnet (175)
Turquoise (90)
Uvarovite Garnet Drusy (80)
Variscite (4)
Zircon (771)
Clear All
ID:
592302
Weight:
0.64ct
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
21.12
Item in Stock
More Options & Item Details
ID:
694186
Weight:
1.00ct
Size:
8.4 x 4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
30.00
Item in Stock
More Options & Item Details
ID:
547740
Weight:
5.94ct
Size:
14.7 x 8.6 mm
Clarity:
SI-I1
Content:
1 pc
Price:
$
235.22
Item in Stock
More Options & Item Details
ID:
528894
Weight:
1.46ct
Size:
7.5 x 6.2 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
28.91
Item in Stock
More Options & Item Details
ID:
737357
Weight:
4.46ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
200.70
Item in Stock
More Options & Item Details
ID:
491838
Weight:
6.36ct (total)
Size:
7 x 7 mm (calibrated)
Clarity:
Opaque
Content:
4 pcs
Price:
$
18.64
Item in Stock
More Options & Item Details
ID:
721760
Weight:
45.55ct
Size:
33.6 x 23.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
54.66
Item in Stock
More Options & Item Details
ID:
705851
Weight:
0.67ct
Size:
6 x 6 mm (calibrated)
Clarity:
VVS
Price:
$
5.63
Item in Stock
More Options & Item Details
Select
1
2
3
4
5
6
pcs 0 in Cart
ID:
707894
Weight:
3.20ct
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
5.30
Item in Stock
More Options & Item Details
ID:
564635
Weight:
0.25ct
Size:
4 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
458.24
Item in Stock
More Options & Item Details
ID:
741432
Weight:
0.96ct
Size:
6.1 x 5.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
124.80
Item in Stock
More Options & Item Details
ID:
737102
Weight:
28.75ct
Size:
21.4 x 20.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
28.75
Item in Stock
More Options & Item Details
ID:
723477
Weight:
10.16ct
Size:
12.1 x 10.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
12.07
Item in Stock
More Options & Item Details
ID:
492478
Weight:
11.62ct
Size:
20.4 x 14.3 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
43.72
Item in Stock
More Options & Item Details
ID:
725286
Weight:
14.11ct
Size:
14 x 14 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
16.08
Item in Stock
More Options & Item Details
ID:
718047
Weight:
19.05ct
Size:
23.6 x 15.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
68.58
Item in Stock
More Options & Item Details
ID:
706419
Weight:
5.05ct
Size:
11 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
10.31
Item in Stock
More Options & Item Details
ID:
662846
Weight:
4.21ct
Size:
12 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
10.10
Item in Stock
More Options & Item Details
ID:
461172
Weight:
4.29ct
Size:
12 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
39.64
Item in Stock
More Options & Item Details
ID:
448744
Weight:
24.90ct
Size:
21.3 x 16.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
32.87
Item in Stock
More Options & Item Details
ID:
162749
Weight:
48.28ct
Size:
38.2 x 24.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
44.62
Item in Stock
More Options & Item Details
ID:
709192
Weight:
15.17ct
Size:
22.3 x 16.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
16.38
Item in Stock
More Options & Item Details
ID:
478003
Weight:
6.50ct
Size:
16 x 12 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
59.54
Item in Stock
More Options & Item Details
ID:
459831
Weight:
4.64ct
Size:
15 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
42.88
Item in Stock
More Options & Item Details
ID:
678006
Weight:
1.05ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
8.82
Item in Stock
More Options & Item Details
ID:
724129
Weight:
30.03ct
Size:
18.9 x 14.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
35.68
Item in Stock
More Options & Item Details
ID:
599299
Weight:
9.48ct
Size:
16 x 12 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
45.42
Item in Stock
More Options & Item Details
ID:
695383
Weight:
27.23ct
Size:
27.3 x 23.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
27.23
Item in Stock
More Options & Item Details
ID:
619154
Weight:
5.82ct
Size:
12 x 12 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
29.42
Item in Stock
More Options & Item Details
ID:
699115
Weight:
2.58ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
21.67
Item in Stock
More Options & Item Details
ID:
715528
Weight:
0.38ct
Size:
5 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
24.17
Item in Stock
More Options & Item Details
ID:
499218
Weight:
2.05ct
Size:
11.4 x 5.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
405.90
Item in Stock
More Options & Item Details
ID:
682519
Weight:
11.49ct
Size:
16 x 12.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
68.94
Item in Stock
More Options & Item Details
ID:
546197
Weight:
1.34ct
Size:
6.2 x 5.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
111.72
Item in Stock
More Options & Item Details
ID:
644434
Weight:
1.06ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
25.44
Item in Stock
More Options & Item Details
ID:
413133
Weight:
3.18ct (total)
Size:
9 x 4.5 mm
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
83.95
Item in Stock
More Options & Item Details
ID:
678000
Weight:
1.04ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
8.74
Item in Stock
More Options & Item Details
ID:
743331
Weight:
9.28ct
Size:
21.5 x 12 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
37.12
Item in Stock
More Options & Item Details
ID:
744803
Weight:
2.95ct
Size:
11.5 x 8.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
14.75
Item in Stock
More Options & Item Details
ID:
701743
Weight:
9.45ct
Size:
13 x 9 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
56.70
Item in Stock
More Options & Item Details
ID:
359623
Weight:
22.65ct
Size:
22.1 x 16.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
59.80
Item in Stock
More Options & Item Details
ID:
694542
Weight:
19.78ct
Size:
19 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
21.36
Item in Stock
More Options & Item Details
ID:
711097
Weight:
16.75ct
Size:
20 x 15 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
44.63
Item in Stock
More Options & Item Details
ID:
682560
Weight:
1.12ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
20.16
Item in Stock
More Options & Item Details
ID:
608945
Weight:
2.16ct (total)
Size:
7 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
39.91
Item in Stock
More Options & Item Details
ID:
439267
Weight:
2.08ct
Size:
9.1 x 7.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
68.64
Item in Stock
More Options & Item Details
ID:
636619
Weight:
0.92ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
48.58
Item in Stock
More Options & Item Details
ID:
615757
Weight:
2.28ct (total)
Size:
7 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
24.07
Item in Stock
More Options & Item Details
ID:
606487
Weight:
26.13ct (total)
Size:
21.7 x 13.2 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
40.69
Item in Stock
More Options & Item Details
ID:
393600
Weight:
5.92ct
Size:
11 x 11 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
39.07
Item in Stock
More Options & Item Details
ID:
730758
Weight:
15.06ct
Size:
22.2 x 15.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
18.43
Item in Stock
More Options & Item Details
ID:
722986
Weight:
1.26ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
37.80
Item in Stock
More Options & Item Details
ID:
502683
Weight:
1.67ct
Size:
10 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
13.22
Item in Stock
More Options & Item Details
ID:
606568
Weight:
3.93ct
Size:
11 x 11 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
51.88
Item in Stock
More Options & Item Details
ID:
418360
Weight:
8.55ct
Size:
16.7 x 10.4 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
16.92
Item in Stock
More Options & Item Details
ID:
724499
Weight:
0.54ct
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
16.20
Item in Stock
More Options & Item Details
ID:
599850
Weight:
31.50ct
Size:
30.1 x 20.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
23.71
Item in Stock
More Options & Item Details
ID:
683421
Weight:
5.47ct
Size:
11.1 x 10 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
50.68
Item in Stock
More Options & Item Details
ID:
662761
Weight:
1.73ct
Size:
8 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
14.53
Item in Stock
More Options & Item Details
ID:
475296
Weight:
4.76ct
Size:
11 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
43.98
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
Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.
Posted By Watson in May, 2025
Source: Bizrate
Overall Rating -> 10
My whole experience is great.
Posted By Ghs in November, 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
Great site for finding specific stones and sizes for individual pieces of jewelry
Posted By Designer in December, 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
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
It was easy to navigate
Posted By GemGod in July, 2025
Source: Bizrate
Overall Rating -> 10
I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.
Posted By Tim in March, 2025
Source: Bizrate
Overall Rating -> 10
very good
Posted By Son Gift in January, 2025
Source: Bizrate