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:
493935
Weight:
8.18ct
Size:
11 x 9 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
10.70
Item in Stock
More Options & Item Details
ID:
625380
Weight:
3.26ct
Size:
14.2 x 8 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
9.86
Item in Stock
More Options & Item Details
ID:
743350
Weight:
2.07ct
Size:
12 x 6 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
93.15
Item in Stock
More Options & Item Details
ID:
731121
Weight:
12.16ct
Size:
22.9 x 15.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
14.88
Item in Stock
More Options & Item Details
ID:
673541
Weight:
1.68ct
Size:
9 x 7 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
40.32
Item in Stock
More Options & Item Details
ID:
710218
Weight:
2.82ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
23.69
Item in Stock
More Options & Item Details
ID:
398595
Weight:
1.42ct
Size:
9.4 x 4.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
89.12
Item in Stock
More Options & Item Details
ID:
721586
Weight:
50.88ct
Size:
27.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
61.06
Item in Stock
More Options & Item Details
ID:
721557
Weight:
13.00ct
Size:
28.6 x 17.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
46.80
Item in Stock
More Options & Item Details
ID:
700042
Weight:
0.57ct
Size:
5 x 5 mm (calibrated)
Clarity:
VVS-VS
Price:
$
5.47
Item in Stock
More Options & Item Details
Select
1
2
3
pcs 0 in Cart
ID:
499040
Weight:
1.38ct (total)
Size:
5 x 4 mm (calibrated)
Clarity:
VS-SI
Content:
3 pcs
Price:
$
182.16
Item in Stock
More Options & Item Details
ID:
656571
Weight:
0.79ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
13.27
Item in Stock
More Options & Item Details
ID:
570363
Weight:
2.32ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
17.10
Item in Stock
More Options & Item Details
ID:
528144
Weight:
3.10ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
22.43
Item in Stock
More Options & Item Details
ID:
663357
Weight:
1.23ct
Size:
7.2 x 5.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
29.52
Item in Stock
More Options & Item Details
ID:
601364
Weight:
3.96ct (total)
Size:
12 x 5.8 mm
Clarity:
VVS
Content:
2 pcs
Price:
$
26.14
Item in Stock
More Options & Item Details
ID:
662667
Weight:
23.67ct (total)
Size:
19.8 x 16.3 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
16.76
Item in Stock
More Options & Item Details
ID:
388706
Weight:
1.20ct
Size:
6.4 x 5.2 mm
Clarity:
SI
Content:
1 pc
Price:
$
77.05
Item in Stock
More Options & Item Details
ID:
451182
Weight:
1.58ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
14.60
Item in Stock
More Options & Item Details
ID:
704861
Weight:
1.47ct
Size:
10 x 7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
44.10
Item in Stock
More Options & Item Details
ID:
428387
Weight:
6.90ct
Size:
12.9 x 10.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
45.54
Item in Stock
More Options & Item Details
ID:
699766
Weight:
12.95ct
Size:
20.9 x 12.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
12.43
Item in Stock
More Options & Item Details
ID:
748934
Weight:
0.61ct
Size:
5.7 x 4.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
61.00
Item in Stock
More Options & Item Details
ID:
409560
Weight:
7.61ct (total)
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
36.26
Item in Stock
More Options & Item Details
ID:
530595
Weight:
3.30ct
Size:
9 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
30.49
Item in Stock
More Options & Item Details
ID:
656664
Weight:
1.18ct
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
7.08
Item in Stock
More Options & Item Details
ID:
453579
Weight:
7.01ct
Size:
14 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
192.78
Item in Stock
More Options & Item Details
ID:
418463
Weight:
9.94ct
Size:
16 x 12 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
19.68
Item in Stock
More Options & Item Details
ID:
718314
Weight:
1.25ct (total)
Size:
5 x 4 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
37.50
Item in Stock
More Options & Item Details
ID:
603091
Weight:
6.42ct
Size:
11 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
77.88
Item in Stock
More Options & Item Details
ID:
654809
Weight:
17.87ct
Size:
22.4 x 22.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
55.54
Item in Stock
More Options & Item Details
ID:
713396
Weight:
15.66ct
Size:
18 x 13 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
131.54
Item in Stock
More Options & Item Details
ID:
725284
Weight:
9.58ct
Size:
13 x 12.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
10.92
Item in Stock
More Options & Item Details
ID:
727328
Weight:
0.82ct
Size:
5.8 x 4.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
14.76
Item in Stock
More Options & Item Details
ID:
600293
Weight:
19.44ct
Size:
23.9 x 14.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
14.68
Item in Stock
More Options & Item Details
ID:
743662
Weight:
17.86ct
Size:
23.8 x 15.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
71.44
Item in Stock
More Options & Item Details
ID:
732493
Weight:
0.41ct
Size:
5 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
3.44
Item in Stock
More Options & Item Details
ID:
430743
Weight:
8.99ct
Size:
15.4 x 11.3 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
23.38
Item in Stock
More Options & Item Details
ID:
424011
Weight:
4.94ct (total)
Size:
5.2 x 5.1 mm
Clarity:
VS
Content:
10 pcs
Price:
$
52.16
Item in Stock
More Options & Item Details
ID:
474100
Weight:
1.96ct
Size:
8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
18.11
Item in Stock
More Options & Item Details
ID:
708444
Weight:
1.23ct
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
25.40
Item in Stock
More Options & Item Details
ID:
744673
Weight:
1.80ct
Size:
9.9 x 5 mm
Clarity:
VVS
Content:
1 pc
Price:
$
81.00
Item in Stock
More Options & Item Details
ID:
726000
Weight:
0.44ct
Size:
5 x 5 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
4.22
Item in Stock
More Options & Item Details
ID:
721153
Weight:
0.47ct
Size:
8 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
3.95
Item in Stock
More Options & Item Details
ID:
537520
Weight:
0.82ct
Size:
7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
24.26
Item in Stock
More Options & Item Details
ID:
416382
Weight:
1.26ct
Size:
18.7 x 3 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
39.91
Item in Stock
More Options & Item Details
ID:
666920
Weight:
89.72ct (total)
Size:
31.7 x 21.8 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
1,614.96
Item in Stock
More Options & Item Details
ID:
624273
Weight:
2.14ct
Size:
7.4 x 6.6 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
14.12
Item in Stock
More Options & Item Details
ID:
491809
Weight:
8.14ct (total)
Size:
7 x 7 mm (calibrated)
Clarity:
Opaque
Content:
4 pcs
Price:
$
23.86
Item in Stock
More Options & Item Details
ID:
691835
Weight:
3.47ct
Size:
9 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
115.06
Item in Stock
More Options & Item Details
ID:
623673
Weight:
8.01ct
Size:
13 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
135.97
Item in Stock
More Options & Item Details
ID:
718644
Weight:
15.73ct
Size:
36.4 x 16.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
94.38
Item in Stock
More Options & Item Details
ID:
391156
Weight:
21.08ct (total)
Size:
24.2 x 12.3 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
41.74
Item in Stock
More Options & Item Details
ID:
568985
Weight:
0.93ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
8.59
Item in Stock
More Options & Item Details
ID:
551522
Weight:
21.21ct (total)
Size:
20.8 x 12.1 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
31.92
Item in Stock
More Options & Item Details
ID:
730209
Weight:
0.98ct
Size:
5.4 x 5.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
58.80
Item in Stock
More Options & Item Details
ID:
739370
Weight:
1.16ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
10.44
Item in Stock
More Options & Item Details
ID:
533510
Weight:
2.21ct
Size:
9 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
14.41
Item in Stock
More Options & Item Details
ID:
500813
Weight:
11.38ct
Size:
16 x 12 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
88.18
Item in Stock
More Options & Item Details
ID:
446063
Weight:
4.40ct
Size:
12.2 x 9.1 mm
Clarity:
VVS
Content:
1 pc
Price:
$
32.11
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
My experience was done with ease
Posted By Barb in October, 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 -> 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
Great site for finding specific stones and sizes for individual pieces of jewelry
Posted By Designer in December, 2025
Source: Bizrate
Overall Rating -> 10
My whole experience is great.
Posted By Ghs in November, 2025
Source: Bizrate
Overall Rating -> 10
Absolutely love the website, selection and products. Can you guys add a gemstones with inclusions tab. I like those it'd be nice to have them all in one place but i do understand it would be alot of work to go through and categorize them. Thank you anyways
Posted By The homie edgar in December, 2025
Source: Bizrate
Overall Rating -> 9
The checkout said the my ccv was invalid. i had to use another card.
Posted By Ron in April, 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 -> 9
I love wide range of stones.
Always have my preference.
Posted By Ray in April, 2025
Source: Bizrate