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 (166)
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 (37)
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 (6)
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 (989)
Moss Agate (56)
Mother of Pearl (10)
Nuummite (115)
Obsidian (204)
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 (609)
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 (944)
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 (2722)
Tsavorite Garnet (175)
Turquoise (90)
Uvarovite Garnet Drusy (80)
Variscite (4)
Zircon (771)
Clear All
ID:
651049
Weight:
5.73ct (total)
Size:
9 x 9 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
48.13
Item in Stock
More Options & Item Details
ID:
435665
Weight:
2.43ct
Size:
10 x 8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
16.04
Item in Stock
More Options & Item Details
ID:
711512
Weight:
0.86ct
Size:
5.5 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
17.17
Item in Stock
More Options & Item Details
ID:
686203
Weight:
3.84ct
Size:
12 x 8 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
4.61
Item in Stock
More Options & Item Details
ID:
453892
Weight:
0.76ct
Size:
11.2 x 4.2 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
32.10
Item in Stock
More Options & Item Details
ID:
582758
Weight:
5.20ct
Size:
12.9 x 9.9 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
27.46
Item in Stock
More Options & Item Details
ID:
434853
Weight:
32.97ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
43.52
Item in Stock
More Options & Item Details
ID:
534766
Weight:
3.56ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
28.20
Item in Stock
More Options & Item Details
ID:
715663
Weight:
1.46ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
14.02
Item in Stock
More Options & Item Details
ID:
714859
Weight:
1.66ct
Size:
7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
4.31
Item in Stock
More Options & Item Details
ID:
394907
Weight:
4.48ct
Size:
10 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
29.57
Item in Stock
More Options & Item Details
ID:
586513
Weight:
21.57ct
Size:
17.5 x 17.4 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
142.37
Item in Stock
More Options & Item Details
ID:
726004
Weight:
0.38ct
Size:
5 x 5 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
3.65
Item in Stock
More Options & Item Details
ID:
592964
Weight:
1.08ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
35.64
Item in Stock
More Options & Item Details
ID:
332118
Weight:
8.80ct
Size:
13 x 13 mm (calibrated)
Clarity:
Transparent/Translucent
Content:
1 pc
Price:
$
24.64
Item in Stock
More Options & Item Details
ID:
711426
Weight:
0.46ct
Size:
6 x 4 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
1.22
Item in Stock
More Options & Item Details
ID:
658355
Weight:
3.41ct
Size:
16.6 x 6.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
12.28
Item in Stock
More Options & Item Details
ID:
537688
Weight:
1.00ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
13.20
Item in Stock
More Options & Item Details
ID:
740728
Weight:
16.80ct
Size:
16 x 16 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
588.00
Item in Stock
More Options & Item Details
ID:
718510
Weight:
27.72ct
Size:
31.7 x 14.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
166.32
Item in Stock
More Options & Item Details
ID:
593884
Weight:
13.45ct (total)
Size:
19 x 12 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
35.51
Item in Stock
More Options & Item Details
ID:
322038
Weight:
54.71ct
Size:
27.3 x 23.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
505.52
Item in Stock
More Options & Item Details
ID:
663353
Weight:
2.67ct
Size:
9.1 x 7.6 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
64.08
Item in Stock
More Options & Item Details
ID:
493104
Weight:
5.77ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
41.74
Item in Stock
More Options & Item Details
ID:
456114
Weight:
2.25ct
Size:
9.8 x 7.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
18.90
Item in Stock
More Options & Item Details
ID:
656179
Weight:
3.43ct
Size:
10 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
5.35
Item in Stock
More Options & Item Details
ID:
683193
Weight:
5.26ct
Size:
15 x 7.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
48.73
Item in Stock
More Options & Item Details
ID:
454949
Weight:
24.46ct (total)
Size:
19.5 x 12 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
32.29
Item in Stock
More Options & Item Details
ID:
474916
Weight:
3.55ct
Size:
11 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
32.81
Item in Stock
More Options & Item Details
ID:
500939
Weight:
3.88ct (total)
Size:
5.3 mm
Clarity:
VS
Content:
6 pcs
Price:
$
184.38
Item in Stock
More Options & Item Details
ID:
501553
Weight:
36.06ct (total)
Size:
33.7 x 13.6 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
142.80
Item in Stock
More Options & Item Details
ID:
735786
Weight:
6.42ct
Size:
21.1 x 9.5 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
5.32
Item in Stock
More Options & Item Details
ID:
685231
Weight:
23.92ct
Size:
19 x 15.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
102.47
Item in Stock
More Options & Item Details
ID:
723584
Weight:
1.38ct
Size:
8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
13.25
Item in Stock
More Options & Item Details
ID:
734706
Weight:
5.02ct
Size:
11 x 9 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
30.12
Item in Stock
More Options & Item Details
ID:
650903
Weight:
1.66ct
Size:
8 x 8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
13.94
Item in Stock
More Options & Item Details
ID:
522790
Weight:
17.19ct
Size:
28.1 x 8.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
12.48
Item in Stock
More Options & Item Details
ID:
722127
Weight:
0.69ct
Size:
5.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
33.12
Item in Stock
More Options & Item Details
ID:
715408
Weight:
0.36ct
Size:
5.4 x 4.2 mm
Clarity:
VVS
Content:
1 pc
Price:
$
22.90
Item in Stock
More Options & Item Details
ID:
397015
Weight:
1.12ct
Size:
7.5 x 4.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
70.61
Item in Stock
More Options & Item Details
ID:
390878
Weight:
1.44ct
Size:
17.1 x 3.1 mm
Clarity:
VVS
Content:
1 pc
Price:
$
41.82
Item in Stock
More Options & Item Details
ID:
406689
Weight:
12.12ct
Size:
15.2 x 12.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
48.00
Item in Stock
More Options & Item Details
ID:
450376
Weight:
13.90ct
Size:
25.6 x 8.4 mm
Clarity:
VVS
Content:
1 pc
Price:
$
2,780.00
Item in Stock
More Options & Item Details
ID:
517338
Weight:
23.37ct
Size:
16 x 16 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
27.46
Item in Stock
More Options & Item Details
ID:
567106
Weight:
4.31ct
Size:
10 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
13.03
Item in Stock
More Options & Item Details
ID:
744573
Weight:
0.93ct
Size:
6 x 4 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
232.50
Item in Stock
More Options & Item Details
ID:
733054
Weight:
0.70ct
Size:
6 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
5.88
Item in Stock
More Options & Item Details
ID:
390813
Weight:
1.41ct
Size:
8.4 x 6.1 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
81.89
Item in Stock
More Options & Item Details
ID:
591699
Weight:
4.96ct
Size:
14.8 x 8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
46.68
Item in Stock
More Options & Item Details
ID:
648139
Weight:
1.39ct
Size:
7 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
11.68
Item in Stock
More Options & Item Details
ID:
698708
Weight:
3.14ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
26.38
Item in Stock
More Options & Item Details
ID:
648325
Weight:
3.27ct
Size:
13 x 9 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
27.47
Item in Stock
More Options & Item Details
ID:
664926
Weight:
2.38ct
Size:
10 x 7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
11.42
Item in Stock
More Options & Item Details
ID:
642102
Weight:
1.11ct
Size:
7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
51.95
Item in Stock
More Options & Item Details
ID:
730226
Weight:
2.76ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
24.71
Item in Stock
More Options & Item Details
ID:
669871
Weight:
17.52ct
Size:
22.5 x 14 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
52.56
Item in Stock
More Options & Item Details
ID:
478915
Weight:
2.44ct (total)
Size:
5 mm (calibrated)
Clarity:
Transparent
Content:
6 pcs
Price:
$
112.73
Item in Stock
More Options & Item Details
ID:
731018
Weight:
19.28ct (total)
Size:
24.2 x 13.8 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
13.19
Item in Stock
More Options & Item Details
ID:
478606
Weight:
2.25ct (total)
Size:
5.8 x 4.2 mm
Clarity:
VS
Content:
4 pcs
Price:
$
297.00
Item in Stock
More Options & Item Details
ID:
450506
Weight:
3.52ct
Size:
12.4 x 9.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
32.52
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
looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones..
Posted By Steven M. in February, 2025
Source: Bizrate
Overall Rating -> 10
IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.
Posted By YE in October, 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
I'm happy.
Posted By Ray in January, 2025
Source: Bizrate
Overall Rating -> 10
So far So good
Posted By VH-1 in July, 2025
Source: Bizrate
Overall Rating -> 10
The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.
Posted By Jen in December, 2025
Source: Bizrate
Overall Rating -> 10
Good. I ts very user friendly.
Posted By Shalini in June, 2025
Source: Bizrate
Overall Rating -> 10
excellent deals-excellent service-fair prices
Posted By JD in April, 2025
Source: Bizrate
Overall Rating -> 10
I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well
Posted By Marti in July, 2025
Source: Bizrate