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:
708229
Weight:
2.91ct
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
4.82
Item in Stock
More Options & Item Details
ID:
519901
Weight:
24.34ct
Size:
25.7 x 13.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
28.60
Item in Stock
More Options & Item Details
ID:
715389
Weight:
1.60ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
15.36
Item in Stock
More Options & Item Details
ID:
392665
Weight:
13.08ct (total)
Size:
14 x 10 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
86.33
Item in Stock
More Options & Item Details
ID:
527260
Weight:
10.37ct (total)
Size:
15.5 x 10.6 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
19.57
Item in Stock
More Options & Item Details
ID:
344793
Weight:
18.23ct
Size:
20 x 15 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
29.53
Item in Stock
More Options & Item Details
ID:
446947
Weight:
2.05ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
96.88
Item in Stock
More Options & Item Details
ID:
687147
Weight:
3.48ct (total)
Size:
7 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
10.19
Item in Stock
More Options & Item Details
ID:
638579
Weight:
2.08ct
Size:
7.9 x 6.9 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
12.48
Item in Stock
More Options & Item Details
ID:
596474
Weight:
19.63ct
Size:
19 x 14.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
173.09
Item in Stock
More Options & Item Details
ID:
717156
Weight:
11.86ct
Size:
21.5 x 14.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
22.63
Item in Stock
More Options & Item Details
ID:
712161
Weight:
2.67ct
Size:
10 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
7.12
Item in Stock
More Options & Item Details
ID:
650130
Weight:
1.49ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
12.52
Item in Stock
More Options & Item Details
ID:
433986
Weight:
4.47ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
29.51
Item in Stock
More Options & Item Details
ID:
397381
Weight:
7.76ct
Size:
12 x 12 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
51.22
Item in Stock
More Options & Item Details
ID:
695357
Weight:
11.21ct
Size:
16.9 x 10.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
336.30
Item in Stock
More Options & Item Details
ID:
709906
Weight:
0.46ct
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Price:
$
3.86
Item in Stock
More Options & Item Details
ID:
445747
Weight:
3.21ct
Size:
11.9 x 8.8 mm
Clarity:
VVS
Content:
1 pc
Price:
$
23.44
Item in Stock
More Options & Item Details
ID:
699283
Weight:
0.87ct
Size:
6.2 x 4.8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
5.22
Item in Stock
More Options & Item Details
ID:
635364
Weight:
1.87ct
Size:
8 x 8 mm (calibrated)
Clarity:
VVS
Price:
$
15.71
Item in Stock
More Options & Item Details
Select
1
2
3
4
5
6
7
8
pcs 0 in Cart
ID:
478316
Weight:
6.33ct
Size:
16 x 12 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
52.72
Item in Stock
More Options & Item Details
ID:
513676
Weight:
2.02ct
Size:
10.9 x 7.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
16.00
Item in Stock
More Options & Item Details
ID:
493970
Weight:
9.74ct
Size:
11.2 x 9.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
14.02
Item in Stock
More Options & Item Details
ID:
525527
Weight:
1.13ct (total)
Size:
8.1 x 4.1 mm
Clarity:
VS
Content:
2 pcs
Price:
$
11.93
Item in Stock
More Options & Item Details
ID:
643665
Weight:
2.21ct
Size:
9.5 x 7.7 mm
Clarity:
VVS
Content:
1 pc
Price:
$
18.56
Item in Stock
More Options & Item Details
ID:
693841
Weight:
1.99ct
Size:
6.8 x 6.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
65.98
Item in Stock
More Options & Item Details
ID:
693377
Weight:
35.46ct
Size:
38.4 x 11.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
12.77
Item in Stock
More Options & Item Details
ID:
371793
Weight:
5.71ct (total)
Size:
7 x 7 mm (calibrated)
Clarity:
VS
Content:
5 pcs
Price:
$
37.69
Item in Stock
More Options & Item Details
ID:
720103
Weight:
0.73ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
6.13
Item in Stock
More Options & Item Details
ID:
552957
Weight:
1.43ct
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
8.60
Item in Stock
More Options & Item Details
ID:
645885
Weight:
12.22ct
Size:
18.2 x 16.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
38.12
Item in Stock
More Options & Item Details
ID:
596461
Weight:
2.78ct
Size:
9.4 x 9.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
18.35
Item in Stock
More Options & Item Details
ID:
727195
Weight:
0.66ct
Size:
6 x 4 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
11.88
Item in Stock
More Options & Item Details
ID:
713418
Weight:
0.96ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
16.13
Item in Stock
More Options & Item Details
ID:
672585
Weight:
1.34ct
Size:
8.7 x 6.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
32.16
Item in Stock
More Options & Item Details
ID:
560581
Weight:
4.75ct
Size:
12 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
43.90
Item in Stock
More Options & Item Details
ID:
387268
Weight:
3.19ct (total)
Size:
4.6 x 4.6 mm
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
21.06
Item in Stock
More Options & Item Details
ID:
693543
Weight:
62.65ct
Size:
36.8 x 34.5 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
37.60
Item in Stock
More Options & Item Details
ID:
644029
Weight:
1.96ct
Size:
9 x 7 mm (calibrated)
Clarity:
VVS
Price:
$
16.46
Item in Stock
More Options & Item Details
ID:
677860
Weight:
0.32ct
Size:
3.3 x 3.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
192.00
Item in Stock
More Options & Item Details
ID:
357220
Weight:
2.05ct
Size:
7.5 x 7.5 mm
Clarity:
VVS
Content:
1 pc
Price:
$
67.66
Item in Stock
More Options & Item Details
ID:
737115
Weight:
22.79ct
Size:
28.5 x 20.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
32.13
Item in Stock
More Options & Item Details
ID:
723749
Weight:
60.67ct
Size:
23.8 x 19.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
72.07
Item in Stock
More Options & Item Details
ID:
464494
Weight:
2.41ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
6 pcs
Price:
$
22.27
Item in Stock
More Options & Item Details
ID:
680731
Weight:
0.92ct
Size:
7 x 5 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
27.60
Item in Stock
More Options & Item Details
ID:
639863
Weight:
0.42ct
Size:
5.3 x 3.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
22.18
Item in Stock
More Options & Item Details
ID:
679132
Weight:
2.82ct
Size:
10 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
23.69
Item in Stock
More Options & Item Details
ID:
459951
Weight:
4.27ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
39.46
Item in Stock
More Options & Item Details
ID:
548051
Weight:
1.08ct
Size:
9 x 7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
324.00
Item in Stock
More Options & Item Details
ID:
561349
Weight:
1.05ct (total)
Size:
4.2 x 4.1 mm
Clarity:
VS
Content:
2 pcs
Price:
$
9.71
Item in Stock
More Options & Item Details
ID:
474046
Weight:
1.99ct
Size:
8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
18.38
Item in Stock
More Options & Item Details
ID:
471552
Weight:
1.40ct (total)
Size:
5 x 4 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
184.80
Item in Stock
More Options & Item Details
ID:
740673
Weight:
0.04ct
Size:
2.2 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
111.67
Item in Stock
More Options & Item Details
ID:
484031
Weight:
93.98ct
Size:
39.2 x 24.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
186.08
Item in Stock
More Options & Item Details
ID:
341967
Weight:
5.07ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
10 pcs
Price:
$
49.19
Item in Stock
More Options & Item Details
ID:
297166
Weight:
34.86ct
Size:
27.1 x 22.5 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
46.02
Item in Stock
More Options & Item Details
ID:
418439
Weight:
16.61ct
Size:
19.5 x 13.5 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
32.89
Item in Stock
More Options & Item Details
ID:
673581
Weight:
0.09ct (total)
Size:
2.2 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
49.14
Item in Stock
More Options & Item Details
ID:
429724
Weight:
3.27ct (total)
Size:
7.3 x 4.9 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
53.96
Item in Stock
More Options & Item Details
ID:
521228
Weight:
18.88ct
Size:
29 x 9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
13.70
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
All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.
Posted By G.W. in June, 2025
Source: Bizrate
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
Very fast navigation and purchase, which is good. I need to strike while the iron is hot.
Posted By Tim G. in February, 2025
Source: Bizrate
Overall Rating -> 10
I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.
Posted By Sam in March, 2025
Source: Bizrate
Overall Rating -> 10
Ive been looking for a place to buy loose gemstones for years and was thrilled when I found this site
Posted By Bern in October, 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
Overall Rating -> 10
Muy serios y muy oportunos para el envo
Posted By Veronica in September, 2024
Source: Bizrate
Overall Rating -> 9
I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.
Posted By Jewelry Quality Stones in July, 2025
Source: Bizrate
Overall Rating -> 10
Very good Hoping you will increase your inventory especially in the 6mmThanks
Posted By Ibie in February, 2025
Source: Bizrate