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:
678045
Weight:
6.20ct
Size:
12 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
14.88
Item in Stock
More Options & Item Details
ID:
678400
Weight:
19.80ct (total)
Size:
23.3 x 11.4 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
23.76
Item in Stock
More Options & Item Details
ID:
481655
Weight:
27.39ct
Size:
26.2 x 24 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
39.42
Item in Stock
More Options & Item Details
ID:
734803
Weight:
6.03ct
Size:
12 x 8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
253.26
Item in Stock
More Options & Item Details
ID:
690266
Weight:
37.97ct
Size:
19.1 x 17.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
50.40
Item in Stock
More Options & Item Details
ID:
461644
Weight:
1.42ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
66.28
Item in Stock
More Options & Item Details
ID:
594835
Weight:
16.84ct
Size:
21 x 13.8 mm
Clarity:
VVS
Content:
1 pc
Price:
$
133.37
Item in Stock
More Options & Item Details
ID:
684602
Weight:
7.26ct
Size:
16.9 x 11.4 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
9.32
Item in Stock
More Options & Item Details
ID:
546902
Weight:
1.27ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
10.06
Item in Stock
More Options & Item Details
ID:
557724
Weight:
3.61ct
Size:
12 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
27.31
Item in Stock
More Options & Item Details
ID:
584807
Weight:
1.74ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
114.84
Item in Stock
More Options & Item Details
ID:
697208
Weight:
52.18ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
35.69
Item in Stock
More Options & Item Details
ID:
382311
Weight:
3.02ct (total)
Size:
3.5 mm (calibrated)
Clarity:
VS
Content:
20 pcs
Price:
$
159.97
Item in Stock
More Options & Item Details
ID:
671594
Weight:
33.52ct
Size:
40.2 x 22.8 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
86.48
Item in Stock
More Options & Item Details
ID:
345775
Weight:
0.61ct
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
65.88
Item in Stock
More Options & Item Details
ID:
551876
Weight:
1.36ct
Size:
8 x 5 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
5.12
Item in Stock
More Options & Item Details
ID:
447499
Weight:
40.30ct
Size:
16.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
88.66
Item in Stock
More Options & Item Details
ID:
514337
Weight:
28.73ct (total)
Size:
20.6 x 12.5 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
75.10
Item in Stock
More Options & Item Details
ID:
450384
Weight:
9.54ct
Size:
18.1 x 12.2 mm
Clarity:
VVS
Content:
1 pc
Price:
$
88.15
Item in Stock
More Options & Item Details
ID:
638586
Weight:
54.24ct
Size:
25.2 x 22.6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
455.62
Item in Stock
More Options & Item Details
ID:
471616
Weight:
12.29ct
Size:
16.3 x 13.2 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
113.56
Item in Stock
More Options & Item Details
ID:
475924
Weight:
3.36ct
Size:
10 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
23.60
Item in Stock
More Options & Item Details
ID:
565160
Weight:
0.14ct (total)
Size:
2.6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
306.46
Item in Stock
More Options & Item Details
ID:
590957
Weight:
3.76ct (total)
Size:
8 x 8 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
39.71
Item in Stock
More Options & Item Details
ID:
679062
Weight:
19.84ct
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
71.90
Item in Stock
More Options & Item Details
ID:
683577
Weight:
4.55ct
Size:
12.2 x 8.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
42.16
Item in Stock
More Options & Item Details
ID:
610351
Weight:
12.56ct (total)
Size:
21.8 x 11.2 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
16.58
Item in Stock
More Options & Item Details
ID:
465220
Weight:
4.22ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
36.94
Item in Stock
More Options & Item Details
ID:
728200
Weight:
0.81ct
Size:
5.9 x 4.9 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
4.86
Item in Stock
More Options & Item Details
ID:
625170
Weight:
1.23ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
32.47
Item in Stock
More Options & Item Details
ID:
642158
Weight:
3.02ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
21.74
Item in Stock
More Options & Item Details
ID:
686744
Weight:
0.36ct (total)
Size:
3.8 x 3 mm
Clarity:
VS
Content:
2 pcs
Price:
$
23.76
Item in Stock
More Options & Item Details
ID:
707833
Weight:
7.25ct
Size:
16 x 12 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
52.20
Item in Stock
More Options & Item Details
ID:
694117
Weight:
23.32ct
Size:
23.3 x 20.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
69.96
Item in Stock
More Options & Item Details
ID:
413696
Weight:
10.78ct
Size:
14 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
355.74
Item in Stock
More Options & Item Details
ID:
726005
Weight:
0.36ct
Size:
5 x 5 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
3.46
Item in Stock
More Options & Item Details
ID:
712745
Weight:
2.25ct
Size:
8.4 x 7.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
54.00
Item in Stock
More Options & Item Details
ID:
417593
Weight:
2.68ct (total)
Size:
4.8 mm
Clarity:
VS
Content:
4 pcs
Price:
$
109.67
Item in Stock
More Options & Item Details
ID:
612877
Weight:
2.05ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
SI
Content:
2 pcs
Price:
$
67.66
Item in Stock
More Options & Item Details
ID:
682792
Weight:
6.38ct
Size:
12.9 x 10.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
38.28
Item in Stock
More Options & Item Details
ID:
556885
Weight:
0.61ct
Size:
5.7 x 5.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
27.85
Item in Stock
More Options & Item Details
ID:
742827
Weight:
1.17ct
Size:
6.4 x 5.6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
140.40
Item in Stock
More Options & Item Details
ID:
519047
Weight:
2.83ct
Size:
9.3 x 7.6 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
62.24
Item in Stock
More Options & Item Details
ID:
724163
Weight:
5.38ct (total)
Size:
5 x 2.6 mm
Clarity:
VS
Content:
35 pcs
Price:
$
32.28
Item in Stock
More Options & Item Details
ID:
713972
Weight:
1.60ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
26.88
Item in Stock
More Options & Item Details
ID:
724501
Weight:
0.44ct
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
13.20
Item in Stock
More Options & Item Details
ID:
509131
Weight:
26.39ct
Size:
22.7 x 14.4 mm
Clarity:
VVS
Content:
1 pc
Price:
$
243.84
Item in Stock
More Options & Item Details
ID:
682009
Weight:
9.37ct
Size:
12 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
11.24
Item in Stock
More Options & Item Details
ID:
512015
Weight:
27.96ct
Size:
26.5 x 18.2 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
26.84
Item in Stock
More Options & Item Details
ID:
532580
Weight:
5.26ct
Size:
15 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
41.66
Item in Stock
More Options & Item Details
ID:
650034
Weight:
1.13ct
Size:
7 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
9.49
Item in Stock
More Options & Item Details
ID:
722747
Weight:
7.10ct
Size:
16.7 x 9.4 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
59.64
Item in Stock
More Options & Item Details
ID:
721947
Weight:
0.46ct
Size:
8 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
8.28
Item in Stock
More Options & Item Details
ID:
744745
Weight:
0.71ct
Size:
5.9 x 5.2 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
71.00
Item in Stock
More Options & Item Details
ID:
465227
Weight:
4.64ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
40.61
Item in Stock
More Options & Item Details
ID:
671934
Weight:
0.50ct
Size:
6.9 x 4.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
12.00
Item in Stock
More Options & Item Details
ID:
711252
Weight:
9.32ct
Size:
16.9 x 11.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
16.78
Item in Stock
More Options & Item Details
ID:
397456
Weight:
0.90ct
Size:
7.4 x 4.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
56.65
Item in Stock
More Options & Item Details
ID:
427745
Weight:
2.40ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
15.84
Item in Stock
More Options & Item Details
ID:
435671
Weight:
7.25ct
Size:
15.1 x 11 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
23.74
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
Enjoy every moment
Posted By Ferns in October, 2025
Source: Bizrate
Overall Rating -> 10
Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.
Posted By Sal in July, 2025
Source: Bizrate
Overall Rating -> 10
there are a large number of gems to choose from i have ordered before and these objects are precious to me that my light reflect in them and fills the stones they are there when i need to reflect on life
Posted By Kickbass.2 in January, 2025
Source: Bizrate
Overall Rating -> 10
hassle free experience.
Posted By Jhidron in October, 2025
Source: Bizrate
Overall Rating -> 9
Fast and reliable service.
Posted By Zæck in December, 2025
Source: Bizrate
Overall Rating -> 8
It was a good interaction I got a good gemstone for cheap
Posted By Jon in December, 2025
Source: Bizrate
Overall Rating -> 10
Great prices!!! High quality gemstones.
Posted By Ricky in October, 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 -> 10
Had a great experience and the prices are great
Posted By BuBx99 in November, 2025
Source: Bizrate