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:
386698
Weight:
4.30ct
Size:
17.1 x 8.9 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
38.26
Item in Stock
More Options & Item Details
ID:
384632
Weight:
7.41ct
Size:
16.5 x 12.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
29.34
Item in Stock
More Options & Item Details
ID:
449872
Weight:
1.84ct
Size:
10 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
15.30
Item in Stock
More Options & Item Details
ID:
479214
Weight:
21.50ct (total)
Size:
15.2 x 10.5 mm
Clarity:
Transparent
Content:
4 pcs
Price:
$
39.17
Item in Stock
More Options & Item Details
ID:
430361
Weight:
2.51ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
16.57
Item in Stock
More Options & Item Details
ID:
618958
Weight:
4.86ct
Size:
12 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
24.56
Item in Stock
More Options & Item Details
ID:
719919
Weight:
0.83ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
6.97
Item in Stock
More Options & Item Details
ID:
744768
Weight:
2.14ct
Size:
14.3 x 8.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
4.28
Item in Stock
More Options & Item Details
ID:
602290
Weight:
2.33ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
19.57
Item in Stock
More Options & Item Details
ID:
711422
Weight:
0.58ct
Size:
6.6 x 4.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
1.55
Item in Stock
More Options & Item Details
ID:
479595
Weight:
1.71ct (total)
Size:
9.9 x 5 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
18.06
Item in Stock
More Options & Item Details
ID:
438595
Weight:
1.35ct
Size:
6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
35.64
Item in Stock
More Options & Item Details
ID:
570187
Weight:
2.10ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
49.90
Item in Stock
More Options & Item Details
ID:
557206
Weight:
1.68ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
14.06
Item in Stock
More Options & Item Details
ID:
458479
Weight:
1.86ct (total)
Size:
4.5 x 3.7 mm
Clarity:
VS
Content:
5 pcs
Price:
$
245.52
Item in Stock
More Options & Item Details
ID:
612260
Weight:
0.53ct
Size:
4.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
33.49
Item in Stock
More Options & Item Details
ID:
377568
Weight:
3.80ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
97.37
Item in Stock
More Options & Item Details
ID:
696534
Weight:
55.63ct
Size:
40.5 x 29.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
100.14
Item in Stock
More Options & Item Details
ID:
493459
Weight:
6.82ct
Size:
8.7 x 8.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
9.73
Item in Stock
More Options & Item Details
ID:
721046
Weight:
0.52ct
Size:
8 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
4.37
Item in Stock
More Options & Item Details
ID:
568501
Weight:
2.90ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
27.83
Item in Stock
More Options & Item Details
ID:
651756
Weight:
16.67ct
Size:
30.6 x 19.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
30.61
Item in Stock
More Options & Item Details
ID:
348923
Weight:
48.51ct
Size:
38.1 x 27.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
53.36
Item in Stock
More Options & Item Details
ID:
518218
Weight:
4.40ct
Size:
11 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
32.35
Item in Stock
More Options & Item Details
ID:
715761
Weight:
12.13ct
Size:
18 x 13 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
116.45
Item in Stock
More Options & Item Details
ID:
448957
Weight:
3.48ct
Size:
10 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
11.48
Item in Stock
More Options & Item Details
ID:
351129
Weight:
6.79ct
Size:
19.7 x 9.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
62.74
Item in Stock
More Options & Item Details
ID:
416155
Weight:
1.55ct
Size:
21.7 x 3.1 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
44.64
Item in Stock
More Options & Item Details
ID:
603880
Weight:
33.38ct
Size:
34.6 x 23.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
32.04
Item in Stock
More Options & Item Details
ID:
676929
Weight:
0.05ct
Size:
2.2 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
16.35
Item in Stock
More Options & Item Details
ID:
727957
Weight:
2.26ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
5.42
Item in Stock
More Options & Item Details
ID:
348779
Weight:
44.82ct
Size:
33.9 x 19.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
59.16
Item in Stock
More Options & Item Details
ID:
514948
Weight:
11.72ct
Size:
15 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
17.17
Item in Stock
More Options & Item Details
ID:
711096
Weight:
16.66ct
Size:
20 x 15 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
44.39
Item in Stock
More Options & Item Details
ID:
720098
Weight:
0.73ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
6.13
Item in Stock
More Options & Item Details
ID:
711203
Weight:
0.50ct
Size:
6.1 x 4.2 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
1.11
Item in Stock
More Options & Item Details
ID:
565257
Weight:
25.77ct
Size:
30.9 x 14.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
19.39
Item in Stock
More Options & Item Details
ID:
678865
Weight:
2.85ct
Size:
10 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
23.94
Item in Stock
More Options & Item Details
ID:
724017
Weight:
29.61ct
Size:
18.3 x 16.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
35.17
Item in Stock
More Options & Item Details
ID:
695447
Weight:
17.22ct
Size:
19.2 x 13.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
9.50
Item in Stock
More Options & Item Details
ID:
479075
Weight:
2.14ct (total)
Size:
10.1 x 5 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
22.60
Item in Stock
More Options & Item Details
ID:
594830
Weight:
0.88ct
Size:
5.3 x 5.3 mm
Clarity:
SI
Content:
1 pc
Price:
$
20.90
Item in Stock
More Options & Item Details
ID:
712836
Weight:
19.33ct
Size:
18 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
162.37
Item in Stock
More Options & Item Details
ID:
439320
Weight:
6.27ct
Size:
11 x 11 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
388.99
Item in Stock
More Options & Item Details
ID:
493098
Weight:
5.30ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
38.33
Item in Stock
More Options & Item Details
ID:
695582
Weight:
0.61ct
Size:
5 x 4 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
21.96
Item in Stock
More Options & Item Details
ID:
707889
Weight:
4.57ct
Size:
14 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
4.39
Item in Stock
More Options & Item Details
ID:
663112
Weight:
3.67ct
Size:
12 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
8.81
Item in Stock
More Options & Item Details
ID:
714934
Weight:
2.87ct
Size:
9 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
7.44
Item in Stock
More Options & Item Details
ID:
712432
Weight:
4.61ct (total)
Size:
12 x 6 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
12.28
Item in Stock
More Options & Item Details
ID:
584850
Weight:
33.58ct
Size:
32.1 x 19.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
19.51
Item in Stock
More Options & Item Details
ID:
647758
Weight:
15.17ct (total)
Size:
14.3 x 10.4 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
20.03
Item in Stock
More Options & Item Details
ID:
390075
Weight:
1.03ct
Size:
7.2 x 5.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
66.73
Item in Stock
More Options & Item Details
ID:
743021
Weight:
18.61ct
Size:
26 x 13.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
74.44
Item in Stock
More Options & Item Details
ID:
601370
Weight:
0.65ct
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
21.46
Item in Stock
More Options & Item Details
ID:
475575
Weight:
6.94ct
Size:
16 x 12 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
64.13
Item in Stock
More Options & Item Details
ID:
683422
Weight:
6.88ct
Size:
17.5 x 9.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
63.73
Item in Stock
More Options & Item Details
ID:
643574
Weight:
2.61ct
Size:
10 x 8 mm (calibrated)
Clarity:
VS
Price:
$
21.92
Item in Stock
More Options & Item Details
ID:
697744
Weight:
0.78ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
4.68
Item in Stock
More Options & Item Details
ID:
708818
Weight:
4.19ct
Size:
14 x 10 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
126.91
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 good
Hoping you will increase your inventory especially in the 6mm
Thanks
Posted By Ibie in February, 2025
Source: Bizrate
Overall Rating -> 10
All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.
Posted By Bob D in December, 2025
Source: Bizrate
Overall Rating -> 10
looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones..
Posted By Steven M. in February, 2025
Source: Bizrate
Overall Rating -> 9
I love wide range of stones.
Always have my preference.
Posted By Ray in April, 2025
Source: Bizrate
Overall Rating -> 10
Appreciated the selection. Jadeite is hard to find under $100. Website has alot of variety.
Posted By Jess in February, 2025
Source: Bizrate
Overall Rating -> 9
It was a good experience looking for and finding a nice amethyst stone
Posted By N/a in May, 2025
Source: Bizrate
Overall Rating -> 10
Was a good experience.
Posted By Tim in July, 2025
Source: Bizrate
Overall Rating -> 10
Had a great experience and the prices are great
Posted By BuBx99 in November, 2025
Source: Bizrate
Overall Rating -> 10
I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.
Posted By Sam in March, 2025
Source: Bizrate