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 (55)
Agate (545)
Agate Geode (17)
Alexandrite (28)
Almandine Garnet (320)
Amazonite (280)
Amethyst (2979)
Amethyst Geode Slice (70)
Ametrine (145)
Andalusite (192)
Apatite (271)
Aquamarine (116)
Aragonite (27)
Aventurine (134)
Axinite (10)
Beryl (580)
Black Opal (6)
Bloodstone (211)
Boulder Opal (229)
Calcite (71)
Carnelian (30)
Cat's Eye Apatite (30)
Cat's Eye Aquamarine (15)
Cat's Eye Beryl (3)
Cat's Eye Moonstone (36)
Cat's Eye Opal (142)
Cat's Eye Scapolite (79)
Cavansite (36)
Chalcedony (221)
Charoite (125)
Chocolate Opal (75)
Chrome Diopside (112)
Chrome Tourmaline (2)
Chrysoberyl (93)
Chrysoberyl Cat's Eye (55)
Chrysocolla (49)
Chrysoprase (19)
Cinnabar (78)
Citrine (4507)
Clinohumite (32)
Color-Change Diaspore (855)
Color-Change Fluorite (55)
Color-Change Garnet (193)
Coral (267)
Demantoid Garnet (235)
Dendritic Agate (198)
Diamond (600)
Druzy Amethyst (3)
Druzy Azurite (13)
Druzy Citrine (45)
Druzy Variscite (130)
Emerald (1)
Enstatite (3)
Feather Pyrite (43)
Fire Agate (314)
Fire Opal (123)
Fluorite (159)
Fossil Coral (322)
Golden Beryl (149)
Grandidierite (165)
Grossularite Garnet (35)
Hematite (352)
Hemimorphite Druzy (46)
Hessonite Garnet (2162)
Hiddenite (10)
Howlite (133)
Idocrase (22)
Imperial Topaz (12)
Iolite (169)
Jade (68)
Jadeite (279)
Jasper (1330)
Kornerupine (209)
Kunzite (385)
Kyanite (747)
Labradorite (1211)
Lapis Lazuli (2)
Larimar (122)
Lazulite (10)
Lepidolite (33)
Malachite (189)
Malaya Garnet (109)
Mali Garnet (7)
Matrix Opal (16)
Maw-Sit-Sit (121)
Moldavite (8)
Moonstone (963)
Morganite (979)
Moss Agate (54)
Mother of Pearl (11)
Nuummite (115)
Obsidian (208)
Opal (898)
Peanut Wood (11)
Peridot (1442)
Pietersite (584)
Prehnite (793)
Psilomelane Dendrite (23)
Pyrite (11)
Pyrope Garnet (1700)
Quartz (67)
Quartz Cat's Eye (70)
Quartz With Hedenbergite (7)
Quartz With Marcasite (185)
Rainbow Moonstone (926)
Rainbow Pyrite (249)
Rhodochrosite (138)
Rhodolite Garnet (408)
Rhodonite (30)
Rose Quartz (680)
Rubellite Tourmaline (9)
Ruby (4)
Ruby in Fuchsite (92)
Ruby-Zoisite (213)
Rutile Quartz (499)
Sapphire (60)
Scolecite (30)
Seraphinite (44)
Serpentine (74)
Sillimanite (68)
Sillimanite Cat's Eye (381)
Smithsonite (1)
Smoky Quartz (951)
Snowflake Obsidian (23)
Sodalite (21)
Spectrolite (127)
Spessartite Garnet (456)
Sphalerite (352)
Sphene (585)
Spinel (883)
Star Diopside (163)
Star Garnet (119)
Star Moonstone (78)
Star Rose Quartz (23)
Star Ruby (1)
Star Sapphire (15)
Strawberry Quartz (1092)
Sunstone (527)
Tiger's Eye (785)
Tiger's Eye Matrix (281)
Topaz (482)
Tourmaline (2596)
Tsavorite Garnet (186)
Turquoise (96)
Uvarovite Garnet Drusy (50)
Variscite (5)
Zircon (782)
Clear All
ID:
382849
Weight:
1.62ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
80.06
Item in Stock
More Options & Item Details
ID:
546505
Weight:
2.49ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
32.87
Item in Stock
More Options & Item Details
ID:
544838
Weight:
1.65ct
Size:
8 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
12.30
Item in Stock
More Options & Item Details
ID:
704562
Weight:
2.12ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
63.60
Item in Stock
More Options & Item Details
ID:
706975
Weight:
2.15ct
Size:
8 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
5.16
Item in Stock
More Options & Item Details
ID:
623066
Weight:
1.34ct
Size:
7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
20.87
Item in Stock
More Options & Item Details
ID:
613463
Weight:
0.60ct
Size:
5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
37.91
Item in Stock
More Options & Item Details
ID:
343544
Weight:
29.93ct
Size:
30.9 x 15.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
59.27
Item in Stock
More Options & Item Details
ID:
461628
Weight:
24.38ct
Size:
21.8 x 16.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
38.63
Item in Stock
More Options & Item Details
ID:
640075
Weight:
1.40ct
Size:
7.6 x 5.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
8.40
Item in Stock
More Options & Item Details
ID:
392691
Weight:
14.20ct (total)
Size:
14 x 10 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
93.72
Item in Stock
More Options & Item Details
ID:
618050
Weight:
10.81ct (total)
Size:
16 x 12 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
28.54
Item in Stock
More Options & Item Details
ID:
530091
Weight:
1.93ct
Size:
11.6 x 5.1 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
168.14
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:
700715
Weight:
0.53ct
Size:
4.7 mm
Clarity:
SI
Content:
1 pc
Price:
$
31.80
Item in Stock
More Options & Item Details
ID:
672453
Weight:
2.30ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
55.20
Item in Stock
More Options & Item Details
ID:
720754
Weight:
0.46ct
Size:
8 x 4 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
3.86
Item in Stock
More Options & Item Details
ID:
490375
Weight:
5.56ct
Size:
14 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
40.37
Item in Stock
More Options & Item Details
ID:
650391
Weight:
24.61ct
Size:
25.4 x 21.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
17.42
Item in Stock
More Options & Item Details
ID:
273234
Weight:
22.98ct
Size:
20.3 x 19.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
60.67
Item in Stock
More Options & Item Details
ID:
656791
Weight:
2.37ct
Size:
9 x 7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
14.22
Item in Stock
More Options & Item Details
ID:
603052
Weight:
3.09ct
Size:
10 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
40.79
Item in Stock
More Options & Item Details
ID:
675197
Weight:
18.90ct
Size:
18.9 x 15.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
48.77
Item in Stock
More Options & Item Details
ID:
718219
Weight:
0.91ct
Size:
5.7 x 4.8 mm
Clarity:
VVS
Content:
1 pc
Price:
$
27.30
Item in Stock
More Options & Item Details
ID:
681914
Weight:
0.55ct
Size:
6 x 4 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
9.90
Item in Stock
More Options & Item Details
ID:
498864
Weight:
1.81ct
Size:
10 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
16.73
Item in Stock
More Options & Item Details
ID:
413632
Weight:
3.40ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
22.44
Item in Stock
More Options & Item Details
ID:
511256
Weight:
0.61ct
Size:
6.7 x 4.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
36.24
Item in Stock
More Options & Item Details
ID:
363102
Weight:
7.61ct (total)
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
50.23
Item in Stock
More Options & Item Details
ID:
739575
Weight:
0.43ct
Size:
8 x 4 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
3.87
Item in Stock
More Options & Item Details
ID:
714086
Weight:
1.12ct (total)
Size:
5 mm (calibrated)
Clarity:
SI
Content:
2 pcs
Price:
$
33.60
Item in Stock
More Options & Item Details
ID:
410352
Weight:
4.94ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
32.60
Item in Stock
More Options & Item Details
ID:
672090
Weight:
1.20ct
Size:
7.5 x 4.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
4.32
Item in Stock
More Options & Item Details
ID:
711854
Weight:
0.58ct
Size:
6 x 4 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
1.55
Item in Stock
More Options & Item Details
ID:
474967
Weight:
2.26ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
74.58
Item in Stock
More Options & Item Details
ID:
552398
Weight:
0.95ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
8.78
Item in Stock
More Options & Item Details
ID:
648849
Weight:
6.20ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
11.16
Item in Stock
More Options & Item Details
ID:
547638
Weight:
2.04ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
41.33
Item in Stock
More Options & Item Details
ID:
635367
Weight:
2.00ct
Size:
8 x 8 mm (calibrated)
Clarity:
VVS
Price:
$
16.80
Item in Stock
More Options & Item Details
Select
1
2
3
4
5
6
pcs 0 in Cart
ID:
680929
Weight:
0.99ct
Size:
7 x 5 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
29.70
Item in Stock
More Options & Item Details
ID:
565522
Weight:
2.16ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
49.13
Item in Stock
More Options & Item Details
ID:
528212
Weight:
1.70ct
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
17.95
Item in Stock
More Options & Item Details
ID:
610326
Weight:
11.81ct (total)
Size:
22.2 x 8.8 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
12.99
Item in Stock
More Options & Item Details
ID:
692716
Weight:
22.65ct
Size:
20 x 15 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
190.26
Item in Stock
More Options & Item Details
ID:
464400
Weight:
3.92ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
36.22
Item in Stock
More Options & Item Details
ID:
388348
Weight:
2.82ct (total)
Size:
4.6 x 4.6 mm
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
18.61
Item in Stock
More Options & Item Details
ID:
732491
Weight:
0.74ct
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
6.22
Item in Stock
More Options & Item Details
ID:
481593
Weight:
20.39ct
Size:
19.1 x 17.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
29.34
Item in Stock
More Options & Item Details
ID:
648834
Weight:
4.47ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
37.55
Item in Stock
More Options & Item Details
ID:
699720
Weight:
0.66ct
Size:
5 x 5 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
6.34
Item in Stock
More Options & Item Details
ID:
699603
Weight:
0.68ct
Size:
5 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
40.80
Item in Stock
More Options & Item Details
ID:
543392
Weight:
0.67ct
Size:
5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
18.17
Item in Stock
More Options & Item Details
ID:
501967
Weight:
1.71ct
Size:
14.8 x 3.8 mm
Clarity:
VVS
Content:
1 pc
Price:
$
56.44
Item in Stock
More Options & Item Details
ID:
499414
Weight:
2.25ct (total)
Size:
7.1 x 4.7 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
8.92
Item in Stock
More Options & Item Details
ID:
662639
Weight:
2.16ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
51.84
Item in Stock
More Options & Item Details
ID:
450797
Weight:
4.42ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
40.84
Item in Stock
More Options & Item Details
ID:
718630
Weight:
6.67ct
Size:
12 x 12 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
30.01
Item in Stock
More Options & Item Details
ID:
718211
Weight:
0.03ct
Size:
2 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
28.80
Item in Stock
More Options & Item Details
ID:
367372
Weight:
1.11ct
Size:
7.5 x 5.5 mm
Clarity:
VVS
Content:
1 pc
Price:
$
154.91
Item in Stock
More Options & Item Details
ID:
489734
Weight:
2.57ct (total)
Size:
4.5 mm (calibrated)
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
50.89
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
It's mostly good, only some item's are easier to find through the search than the menu
Posted By Wayne in July, 2025
Source: Bizrate
Overall Rating -> 10
Its been a long time since Ive made any purchases Im satisfied with the quality.
Posted By Hard Case in December, 2024
Source: Bizrate
Overall Rating -> 10
I'm happy.
Posted By Ray in January, 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
I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.
Posted By Desertchick in March, 2025
Source: Bizrate
Overall Rating -> 10
I always enjoy the selection and the unique cuts I can find here. I would love to see more hex cuts tho! Maybe some rose cuts too!
Posted By Blkfower83 in October, 2024
Source: Bizrate
Overall Rating -> 10
All good
Posted By DouscheGift in August, 2025
Source: Bizrate
Overall Rating -> 10
So far, my experience was great...Thanks
Posted By Kaydi in May, 2025
Source: Bizrate
Overall Rating -> 10
Awesome
Posted By D in December, 2024
Source: Bizrate