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 (163)
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 (36)
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 (4)
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 (987)
Moss Agate (56)
Mother of Pearl (10)
Nuummite (115)
Obsidian (202)
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 (607)
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 (942)
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 (2718)
Tsavorite Garnet (175)
Turquoise (90)
Uvarovite Garnet Drusy (80)
Variscite (4)
Zircon (771)
Clear All
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:
494439
Weight:
1.70ct
Size:
12 x 6 mm
Clarity:
VS
Price:
$
13.46
Item in Stock
More Options & Item Details
ID:
359206
Weight:
3.62ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
10 pcs
Price:
$
23.89
Item in Stock
More Options & Item Details
ID:
617794
Weight:
46.45ct
Size:
44.8 x 26.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
40.13
Item in Stock
More Options & Item Details
ID:
606784
Weight:
3.58ct
Size:
13.9 x 8.1 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
47.26
Item in Stock
More Options & Item Details
ID:
528792
Weight:
1.81ct
Size:
7.6 x 5.7 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
157.69
Item in Stock
More Options & Item Details
ID:
710389
Weight:
5.77ct
Size:
12 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
16.82
Item in Stock
More Options & Item Details
ID:
692523
Weight:
18.72ct
Size:
18.3 x 14.1 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
157.25
Item in Stock
More Options & Item Details
ID:
523601
Weight:
28.85ct
Size:
31.3 x 20.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
29.32
Item in Stock
More Options & Item Details
ID:
499192
Weight:
2.26ct
Size:
11.8 x 5.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
447.48
Item in Stock
More Options & Item Details
ID:
728013
Weight:
2.36ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
5.66
Item in Stock
More Options & Item Details
ID:
712774
Weight:
1.40ct
Size:
7.5 x 6.1 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
33.60
Item in Stock
More Options & Item Details
ID:
725614
Weight:
1.54ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
14.78
Item in Stock
More Options & Item Details
ID:
724849
Weight:
40.55ct
Size:
29.4 x 17.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
145.98
Item in Stock
More Options & Item Details
ID:
713825
Weight:
19.50ct
Size:
20 x 15 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
163.80
Item in Stock
More Options & Item Details
ID:
519890
Weight:
1.93ct
Size:
7.5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
50.95
Item in Stock
More Options & Item Details
ID:
453927
Weight:
1.09ct
Size:
10.8 x 5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
46.04
Item in Stock
More Options & Item Details
ID:
639730
Weight:
0.52ct
Size:
4.3 x 4.3 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
3.64
Item in Stock
More Options & Item Details
ID:
719805
Weight:
1.11ct
Size:
6 x 4.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
19.98
Item in Stock
More Options & Item Details
ID:
708063
Weight:
13.14ct (total)
Size:
16 x 12 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
12.61
Item in Stock
More Options & Item Details
ID:
605610
Weight:
4.86ct
Size:
12 x 12 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
64.15
Item in Stock
More Options & Item Details
ID:
589475
Weight:
2.27ct
Size:
10 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
68.45
Item in Stock
More Options & Item Details
ID:
706366
Weight:
9.57ct
Size:
17 x 11.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
19.52
Item in Stock
More Options & Item Details
ID:
479509
Weight:
13.70ct
Size:
22.4 x 13.8 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
24.96
Item in Stock
More Options & Item Details
ID:
667708
Weight:
1.67ct
Size:
9 x 7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
34.25
Item in Stock
More Options & Item Details
ID:
477087
Weight:
1.86ct
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
14.74
Item in Stock
More Options & Item Details
ID:
691885
Weight:
0.59ct
Size:
5.4 x 4 mm
Clarity:
SI-I1
Content:
1 pc
Price:
$
35.40
Item in Stock
More Options & Item Details
ID:
367617
Weight:
3.71ct (total)
Size:
7.5 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
24.29
Item in Stock
More Options & Item Details
ID:
716080
Weight:
1.04ct
Size:
6.5 x 5 mm
Clarity:
VVS
Content:
1 pc
Price:
$
66.14
Item in Stock
More Options & Item Details
ID:
393377
Weight:
4.22ct
Size:
10 x 10 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
27.85
Item in Stock
More Options & Item Details
ID:
710312
Weight:
3.36ct
Size:
19.5 x 7.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
9.79
Item in Stock
More Options & Item Details
ID:
323823
Weight:
3.40ct (total)
Size:
8 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
5 pcs
Price:
$
25.92
Item in Stock
More Options & Item Details
ID:
704998
Weight:
24.60ct
Size:
38.7 x 9.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
5.90
Item in Stock
More Options & Item Details
ID:
724768
Weight:
1.08ct
Size:
10 x 5 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
32.40
Item in Stock
More Options & Item Details
ID:
457227
Weight:
1.88ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
17.38
Item in Stock
More Options & Item Details
ID:
480230
Weight:
4.25ct (total)
Size:
5.5 x 5 mm
Clarity:
Transparent
Content:
10 pcs
Price:
$
8.98
Item in Stock
More Options & Item Details
ID:
595194
Weight:
2.96ct (total)
Size:
8 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
78.14
Item in Stock
More Options & Item Details
ID:
707111
Weight:
1.25ct
Size:
10 x 5 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
3.00
Item in Stock
More Options & Item Details
ID:
504594
Weight:
2.33ct
Size:
8 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
16.42
Item in Stock
More Options & Item Details
ID:
552951
Weight:
1.82ct
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
10.96
Item in Stock
More Options & Item Details
ID:
713393
Weight:
15.55ct
Size:
18 x 13 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
130.62
Item in Stock
More Options & Item Details
ID:
527547
Weight:
0.82ct
Size:
7.1 x 5.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
8.66
Item in Stock
More Options & Item Details
ID:
516386
Weight:
22.23ct
Size:
25.1 x 16.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
26.11
Item in Stock
More Options & Item Details
ID:
523050
Weight:
18.58ct
Size:
29.1 x 13.5 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
36.56
Item in Stock
More Options & Item Details
ID:
711083
Weight:
1.76ct
Size:
7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
35.15
Item in Stock
More Options & Item Details
ID:
678125
Weight:
0.27ct
Size:
3.2 x 3.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
162.00
Item in Stock
More Options & Item Details
ID:
493101
Weight:
4.63ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
33.49
Item in Stock
More Options & Item Details
ID:
658627
Weight:
8.57ct
Size:
14 x 12 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
10.28
Item in Stock
More Options & Item Details
ID:
674964
Weight:
9.96ct
Size:
18.8 x 13.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
25.69
Item in Stock
More Options & Item Details
ID:
696844
Weight:
16.13ct
Size:
21.9 x 14.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
11.03
Item in Stock
More Options & Item Details
ID:
644417
Weight:
2.40ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
6.34
Item in Stock
More Options & Item Details
ID:
618052
Weight:
26.25ct (total)
Size:
20 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
69.30
Item in Stock
More Options & Item Details
ID:
563864
Weight:
2.97ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
19.61
Item in Stock
More Options & Item Details
ID:
696601
Weight:
31.31ct
Size:
29.1 x 17.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
56.36
Item in Stock
More Options & Item Details
ID:
449374
Weight:
9.41ct (total)
Size:
12 x 10 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
22.58
Item in Stock
More Options & Item Details
ID:
645618
Weight:
14.23ct
Size:
18 x 16.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
70.36
Item in Stock
More Options & Item Details
ID:
424059
Weight:
4.62ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
48.79
Item in Stock
More Options & Item Details
ID:
462934
Weight:
2.16ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
71.96
Item in Stock
More Options & Item Details
ID:
663358
Weight:
1.20ct
Size:
7.2 x 6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
28.80
Item in Stock
More Options & Item Details
ID:
728150
Weight:
3.54ct
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
8.50
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
I was able to find what I was looking for
Posted By Lincolnpremier in January, 2025
Source: Bizrate
Overall Rating -> 10
hassle free experience.
Posted By Jhidron in October, 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
Good selection, using for custom jewlery for my wife.
Posted By Smitty in June, 2025
Source: Bizrate
Overall Rating -> 9
the gems were smaller than I thought but I was at fault for not reading the complete discrimination
Posted By Tim in May, 2025
Source: Bizrate
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
I can pick and choose from large selection and find just what I need for .y projects, currently my cane.
Posted By Darkstar731 in July, 2025
Source: Bizrate
Overall Rating -> 10
It was easy to navigate
Posted By GemGod in July, 2025
Source: Bizrate