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 (562)
Agate Geode (15)
Alexandrite (24)
Almandine Garnet (402)
Amazonite (273)
Amethyst (2923)
Amethyst Geode Slice (70)
Ametrine (146)
Andalusite (189)
Apatite (270)
Aquamarine (107)
Aragonite (26)
Aventurine (132)
Axinite (10)
Beryl (580)
Black Opal (6)
Bloodstone (206)
Boulder Opal (239)
Calcite (71)
Carnelian (23)
Cat's Eye Apatite (29)
Cat's Eye Aquamarine (15)
Cat's Eye Beryl (3)
Cat's Eye Moonstone (31)
Cat's Eye Opal (144)
Cat's Eye Scapolite (78)
Cavansite (36)
Chalcedony (214)
Charoite (119)
Chocolate Opal (76)
Chrome Diopside (110)
Chrysoberyl (92)
Chrysoberyl Cat's Eye (53)
Chrysocolla (50)
Chrysoprase (8)
Cinnabar (78)
Citrine (4436)
Clinohumite (30)
Color-Change Diaspore (850)
Color-Change Fluorite (52)
Color-Change Garnet (193)
Coral (266)
Demantoid Garnet (230)
Dendritic Agate (198)
Diamond (601)
Druzy Amethyst (3)
Druzy Azurite (13)
Druzy Citrine (45)
Druzy Variscite (130)
Emerald (1)
Enstatite (3)
Feather Pyrite (43)
Fire Agate (320)
Fire Opal (127)
Fluorite (170)
Fossil Coral (323)
Golden Beryl (148)
Grandidierite (172)
Grossularite Garnet (33)
Hematite (356)
Hemimorphite Druzy (46)
Hessonite Garnet (2154)
Hiddenite (10)
Howlite (133)
Idocrase (21)
Imperial Topaz (12)
Iolite (164)
Jade (68)
Jadeite (275)
Jasper (1335)
Kornerupine (213)
Kunzite (388)
Kyanite (738)
Labradorite (1198)
Lapis Lazuli (2)
Larimar (120)
Lazulite (10)
Lepidolite (27)
Malachite (185)
Malaya Garnet (105)
Mali Garnet (6)
Matrix Opal (16)
Maw-Sit-Sit (120)
Moldavite (7)
Moonstone (955)
Morganite (977)
Moss Agate (58)
Mother of Pearl (11)
Nuummite (115)
Obsidian (207)
Opal (893)
Peanut Wood (11)
Peridot (1430)
Pietersite (625)
Prehnite (792)
Psilomelane Dendrite (23)
Pyrite (11)
Pyrope Garnet (1686)
Quartz (65)
Quartz Cat's Eye (69)
Quartz With Hedenbergite (7)
Quartz With Marcasite (184)
Rainbow Moonstone (920)
Rainbow Pyrite (248)
Rhodochrosite (135)
Rhodolite Garnet (481)
Rhodonite (30)
Rose Quartz (678)
Rubellite Tourmaline (9)
Ruby (4)
Ruby in Fuchsite (90)
Ruby-Zoisite (212)
Rutile Quartz (500)
Sapphire (59)
Scolecite (29)
Seraphinite (43)
Serpentine (72)
Sillimanite (67)
Sillimanite Cat's Eye (379)
Smithsonite (1)
Smoky Quartz (937)
Snowflake Obsidian (23)
Sodalite (21)
Spectrolite (121)
Spessartite Garnet (454)
Sphalerite (348)
Sphene (578)
Spinel (955)
Star Diopside (175)
Star Garnet (115)
Star Moonstone (75)
Star Rose Quartz (22)
Star Ruby (1)
Star Sapphire (15)
Strawberry Quartz (1082)
Sunstone (525)
Tiger's Eye (775)
Tiger's Eye Matrix (277)
Topaz (470)
Tourmaline (2664)
Tsavorite Garnet (184)
Turquoise (92)
Uvarovite Garnet Drusy (68)
Variscite (5)
Zircon (779)
Clear All
ID:
714814
Weight:
0.43ct
Size:
4.3 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
12.90
Item in Stock
More Options & Item Details
ID:
461175
Weight:
4.63ct
Size:
12 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
42.78
Item in Stock
More Options & Item Details
ID:
407849
Weight:
2.99ct
Size:
11.3 x 7.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
163.98
Item in Stock
More Options & Item Details
ID:
677852
Weight:
avg. 0.08 ct / each
Size:
2 x 2 mm (calibrated)
Clarity:
Opaque
Price:
$
38.00
Item in Stock
More Options & Item Details
Select
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
pcs
ID:
560875
Weight:
0.93ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
8.59
Item in Stock
More Options & Item Details
ID:
544604
Weight:
0.65ct
Size:
6.5 x 4.5 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
34.32
Item in Stock
More Options & Item Details
ID:
438940
Weight:
4.13ct
Size:
12.2 x 9.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
256.22
Item in Stock
More Options & Item Details
ID:
720246
Weight:
1.20ct
Size:
6.3 x 5.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
172.80
Item in Stock
More Options & Item Details
ID:
745564
Weight:
4.73ct
Size:
9.9 x 9.1 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
236.50
Item in Stock
More Options & Item Details
ID:
707843
Weight:
4.84ct
Size:
12.7 x 9.9 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
34.85
Item in Stock
More Options & Item Details
ID:
729941
Weight:
62.29ct
Size:
32.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
59.80
Item in Stock
More Options & Item Details
ID:
414410
Weight:
11.83ct
Size:
14 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
312.31
Item in Stock
More Options & Item Details
ID:
673962
Weight:
7.32ct (total)
Size:
14 x 10 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
105.32
Item in Stock
More Options & Item Details
ID:
696126
Weight:
72.36ct
Size:
41.1 x 23.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
49.50
Item in Stock
More Options & Item Details
ID:
715102
Weight:
3.61ct (total)
Size:
7 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
9.36
Item in Stock
More Options & Item Details
ID:
737379
Weight:
2.26ct
Size:
9 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
101.70
Item in Stock
More Options & Item Details
ID:
389955
Weight:
5.30ct
Size:
12 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
55.97
Item in Stock
More Options & Item Details
ID:
699663
Weight:
27.80ct
Size:
18.9 x 17.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
26.69
Item in Stock
More Options & Item Details
ID:
715590
Weight:
3.39ct
Size:
12 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
32.54
Item in Stock
More Options & Item Details
ID:
658571
Weight:
28.42ct
Size:
42.6 x 17.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
58.32
Item in Stock
More Options & Item Details
ID:
720157
Weight:
1.10ct
Size:
6 x 5.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
198.00
Item in Stock
More Options & Item Details
ID:
723462
Weight:
1.13ct
Size:
7 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
10.85
Item in Stock
More Options & Item Details
ID:
393859
Weight:
0.83ct
Size:
5 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
41.32
Item in Stock
More Options & Item Details
ID:
398596
Weight:
1.33ct
Size:
9.6 x 4.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
83.47
Item in Stock
More Options & Item Details
ID:
719495
Weight:
0.71ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
5.96
Item in Stock
More Options & Item Details
ID:
734732
Weight:
2.98ct
Size:
10 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
125.16
Item in Stock
More Options & Item Details
ID:
646616
Weight:
0.59ct
Size:
6.5 x 4.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
4.96
Item in Stock
More Options & Item Details
ID:
701305
Weight:
6.04ct
Size:
12.6 x 8.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
36.24
Item in Stock
More Options & Item Details
ID:
357960
Weight:
3.58ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VS
Content:
5 pcs
Price:
$
19.69
Item in Stock
More Options & Item Details
ID:
499527
Weight:
7.47ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
56.70
Item in Stock
More Options & Item Details
ID:
636442
Weight:
1.72ct
Size:
9 x 9 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
45.41
Item in Stock
More Options & Item Details
ID:
658776
Weight:
0.74ct
Size:
6.3 x 4.1 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
3.55
Item in Stock
More Options & Item Details
ID:
415323
Weight:
1.47ct
Size:
7.2 x 6.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
97.02
Item in Stock
More Options & Item Details
ID:
470292
Weight:
97.05ct
Size:
37.5 x 22.6 mm
Clarity:
VVS
Content:
1 pc
Price:
$
160.13
Item in Stock
More Options & Item Details
ID:
550613
Weight:
3.21ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
29.66
Item in Stock
More Options & Item Details
ID:
498922
Weight:
3.25ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
34.32
Item in Stock
More Options & Item Details
ID:
386512
Weight:
4.47ct (total)
Size:
4.6 x 4.5 mm
Clarity:
VVS-VS
Content:
10 pcs
Price:
$
23.60
Item in Stock
More Options & Item Details
ID:
521354
Weight:
11.95ct
Size:
16.8 x 13.4 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
94.64
Item in Stock
More Options & Item Details
ID:
383321
Weight:
1.66ct
Size:
20.7 x 3.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
42.02
Item in Stock
More Options & Item Details
ID:
677826
Weight:
0.17ct (total)
Size:
2.2 x 2.1 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
102.00
Item in Stock
More Options & Item Details
ID:
727853
Weight:
1.09ct
Size:
6.1 x 5.4 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
6.54
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:
545872
Weight:
1.34ct
Size:
10.3 x 7.5 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
48.24
Item in Stock
More Options & Item Details
ID:
676452
Weight:
19.08ct
Size:
22.9 x 16.7 mm
Clarity:
VVS
Content:
1 pc
Price:
$
171.72
Item in Stock
More Options & Item Details
ID:
606961
Weight:
5.54ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
36.56
Item in Stock
More Options & Item Details
ID:
486507
Weight:
41.72ct
Size:
39 x 23.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
50.48
Item in Stock
More Options & Item Details
ID:
447598
Weight:
2.50ct
Size:
8.5 x 7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
118.61
Item in Stock
More Options & Item Details
ID:
664027
Weight:
2.32ct
Size:
10.6 x 7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
11.14
Item in Stock
More Options & Item Details
ID:
636522
Weight:
7.89ct
Size:
13.4 x 11.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
40.52
Item in Stock
More Options & Item Details
ID:
512904
Weight:
2.23ct
Size:
9 x 7 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
48.25
Item in Stock
More Options & Item Details
ID:
552619
Weight:
10.46ct
Size:
20 x 15 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
27.61
Item in Stock
More Options & Item Details
ID:
725869
Weight:
0.73ct
Size:
6 x 6 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
7.01
Item in Stock
More Options & Item Details
ID:
502054
Weight:
1.84ct
Size:
11.8 x 6 mm
Clarity:
VVS-VS
Price:
$
21.94
Item in Stock
More Options & Item Details
ID:
706969
Weight:
1.53ct
Size:
8 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
3.67
Item in Stock
More Options & Item Details
ID:
516715
Weight:
1.30ct
Size:
8.2 x 6.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
120.12
Item in Stock
More Options & Item Details
ID:
474959
Weight:
2.56ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
84.48
Item in Stock
More Options & Item Details
ID:
485675
Weight:
5.64ct
Size:
13 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
7.44
Item in Stock
More Options & Item Details
ID:
477123
Weight:
2.45ct
Size:
9 x 7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
17.64
Item in Stock
More Options & Item Details
ID:
721309
Weight:
1.22ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
10.25
Item in Stock
More Options & Item Details
ID:
447871
Weight:
1.46ct
Size:
7.3 x 5.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
843.31
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
Enjoy every moment
Posted By Ferns in October, 2025
Source: Bizrate
Overall Rating -> 10
I have a beautiful emerald I purchased from a company names gemselect and they are awesome! You should try them out?
Posted By Lynn in September, 2025
Source: Bizrate
Overall Rating -> 10
The stones are very nice.
Posted By Mvk in August, 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
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
Love, and have always loved, your website.
Posted By Aberabic in July, 2025
Source: Bizrate
Overall Rating -> 7
Excited to see
Posted By Ss in December, 2024
Source: Bizrate
Overall Rating -> 10
nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic
Posted By Steve m. in February, 2025
Source: Bizrate