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:
712408
Weight:
4.56ct
Size:
16 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
12.14
Item in Stock
More Options & Item Details
ID:
475565
Weight:
25.36ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
50.21
Item in Stock
More Options & Item Details
ID:
503529
Weight:
3.05ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
8 pcs
Price:
$
28.19
Item in Stock
More Options & Item Details
ID:
678665
Weight:
1.39ct
Size:
7.3 x 5.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
151.79
Item in Stock
More Options & Item Details
ID:
644439
Weight:
1.41ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
33.84
Item in Stock
More Options & Item Details
ID:
459838
Weight:
4.34ct
Size:
15 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
40.10
Item in Stock
More Options & Item Details
ID:
684516
Weight:
29.60ct
Size:
24.5 x 23.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
38.00
Item in Stock
More Options & Item Details
ID:
730303
Weight:
92.44ct
Size:
45.7 x 26.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
88.74
Item in Stock
More Options & Item Details
ID:
491849
Weight:
9.24ct (total)
Size:
7 x 7 mm (calibrated)
Clarity:
Opaque
Content:
5 pcs
Price:
$
27.07
Item in Stock
More Options & Item Details
ID:
359599
Weight:
23.52ct
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
62.09
Item in Stock
More Options & Item Details
ID:
497821
Weight:
3.58ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
Translucent
Content:
4 pcs
Price:
$
24.71
Item in Stock
More Options & Item Details
ID:
338013
Weight:
14.60ct (total)
Size:
14 x 10 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
28.52
Item in Stock
More Options & Item Details
ID:
573440
Weight:
0.72ct
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
28.51
Item in Stock
More Options & Item Details
ID:
701287
Weight:
7.00ct
Size:
16.2 x 7.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
42.00
Item in Stock
More Options & Item Details
ID:
379838
Weight:
3.51ct (total)
Size:
4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
198.86
Item in Stock
More Options & Item Details
ID:
514127
Weight:
7.60ct (total)
Size:
12 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
71.53
Item in Stock
More Options & Item Details
ID:
338225
Weight:
10.64ct
Size:
12.1 x 11.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
35.11
Item in Stock
More Options & Item Details
ID:
667187
Weight:
3.03ct (total)
Size:
7 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
62.14
Item in Stock
More Options & Item Details
ID:
488559
Weight:
40.46ct
Size:
33.7 x 22.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
29.92
Item in Stock
More Options & Item Details
ID:
711723
Weight:
15.20ct
Size:
20.1 x 16.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
27.36
Item in Stock
More Options & Item Details
ID:
477512
Weight:
3.01ct (total)
Size:
6.5 mm (calibrated)
Clarity:
Translucent
Content:
5 pcs
Price:
$
84.66
Item in Stock
More Options & Item Details
ID:
687706
Weight:
0.92ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
8.83
Item in Stock
More Options & Item Details
ID:
739542
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:
718833
Weight:
3.99ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
119.70
Item in Stock
More Options & Item Details
ID:
698519
Weight:
16.92ct
Size:
22.2 x 13.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
20.30
Item in Stock
More Options & Item Details
ID:
355535
Weight:
4.07ct (total)
Size:
5.5 mm (calibrated)
Clarity:
VS
Content:
5 pcs
Price:
$
193.40
Item in Stock
More Options & Item Details
ID:
636574
Weight:
5.95ct
Size:
15.1 x 11 mm
Clarity:
VS
Price:
$
14.28
Item in Stock
More Options & Item Details
ID:
505343
Weight:
2.54ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
23.47
Item in Stock
More Options & Item Details
ID:
737148
Weight:
4.18ct
Size:
12 x 9 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
20.90
Item in Stock
More Options & Item Details
ID:
724964
Weight:
0.74ct
Size:
6.6 x 3.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
31.08
Item in Stock
More Options & Item Details
ID:
721539
Weight:
0.58ct
Size:
8 x 4 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
10.44
Item in Stock
More Options & Item Details
ID:
529081
Weight:
1.73ct
Size:
8.6 x 4.9 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
150.72
Item in Stock
More Options & Item Details
ID:
484130
Weight:
3.75ct
Size:
11.2 x 7.9 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
24.76
Item in Stock
More Options & Item Details
ID:
458006
Weight:
0.58ct
Size:
8.4 x 4.3 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
61.25
Item in Stock
More Options & Item Details
ID:
655913
Weight:
17.75ct
Size:
29.1 x 17.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
90.74
Item in Stock
More Options & Item Details
ID:
725556
Weight:
0.64ct
Size:
6 x 6 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
6.14
Item in Stock
More Options & Item Details
ID:
435030
Weight:
63.74ct
Size:
36.4 x 25.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
126.20
Item in Stock
More Options & Item Details
ID:
605073
Weight:
5.66ct
Size:
15 x 10 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
67.92
Item in Stock
More Options & Item Details
ID:
678768
Weight:
5.41ct
Size:
14 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
32.46
Item in Stock
More Options & Item Details
ID:
393602
Weight:
5.86ct
Size:
11 x 11 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
38.68
Item in Stock
More Options & Item Details
ID:
672185
Weight:
0.91ct
Size:
7.8 x 5.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
21.84
Item in Stock
More Options & Item Details
ID:
663329
Weight:
4.60ct
Size:
12 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
11.04
Item in Stock
More Options & Item Details
ID:
712487
Weight:
4.10ct
Size:
11 x 9 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
10.92
Item in Stock
More Options & Item Details
ID:
350714
Weight:
1.29ct
Size:
14.3 x 3.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
37.46
Item in Stock
More Options & Item Details
ID:
571161
Weight:
0.97ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
8.96
Item in Stock
More Options & Item Details
ID:
707990
Weight:
5.92ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
9.80
Item in Stock
More Options & Item Details
ID:
489150
Weight:
2.14ct (total)
Size:
5 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
42.37
Item in Stock
More Options & Item Details
ID:
484353
Weight:
1.37ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
18.08
Item in Stock
More Options & Item Details
ID:
401662
Weight:
3.11ct (total)
Size:
5 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
127.26
Item in Stock
More Options & Item Details
ID:
736132
Weight:
9.84ct
Size:
22.8 x 15 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
243.13
Item in Stock
More Options & Item Details
ID:
673665
Weight:
15.76ct
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
245.60
Item in Stock
More Options & Item Details
ID:
431723
Weight:
2.60ct (total)
Size:
4.8 x 4.8 mm
Clarity:
VS
Content:
4 pcs
Price:
$
27.42
Item in Stock
More Options & Item Details
ID:
697464
Weight:
0.66ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS
Price:
$
3.96
Item in Stock
More Options & Item Details
Select
1
2
3
pcs 0 in Cart
ID:
484042
Weight:
73.93ct
Size:
37.5 x 25.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
146.39
Item in Stock
More Options & Item Details
ID:
708437
Weight:
1.51ct
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
31.19
Item in Stock
More Options & Item Details
ID:
644661
Weight:
1.21ct
Size:
7.2 x 5.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
29.04
Item in Stock
More Options & Item Details
ID:
668012
Weight:
10.04ct
Size:
15.6 x 12.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
60.24
Item in Stock
More Options & Item Details
ID:
431728
Weight:
1.60ct
Size:
6.5 x 6.4 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
38.02
Item in Stock
More Options & Item Details
ID:
567448
Weight:
0.15ct (total)
Size:
2.8 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
323.09
Item in Stock
More Options & Item Details
ID:
582546
Weight:
1.81ct
Size:
9 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
71.68
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
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 -> 10
Great selection of gems at a reasonable price
Posted By Curt in July, 2025
Source: Bizrate
Overall Rating -> 10
First time so this is an experiment! Shopping is so fun on this site, though!
Posted By Gem Delight in March, 2025
Source: Bizrate
Overall Rating -> 10
I found exactly what I was looking for and ordered it. I like how you give information on the stones I'm buying. Glad I found you!
Posted By TheP in April, 2025
Source: Bizrate
Overall Rating -> 10
Very large selection from affordable to high end I will be coming back to shop again!
Posted By GreenGator in August, 2025
Source: Bizrate
Overall Rating -> 10
love these guys been ordering since 2000 maybe
Posted By JHT in April, 2025
Source: Bizrate
Overall Rating -> 8
Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use
Posted By DrD in May, 2025
Source: Bizrate
Overall Rating -> 10
So far, my experience was great...Thanks
Posted By Kaydi in May, 2025
Source: Bizrate
Overall Rating -> 10
Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!
Posted By Britnee Rose in September, 2025
Source: Bizrate