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 (568)
Agate Geode (15)
Alexandrite (24)
Almandine Garnet (410)
Amazonite (275)
Amethyst (2927)
Amethyst Geode Slice (70)
Ametrine (144)
Andalusite (192)
Apatite (270)
Aquamarine (105)
Aragonite (26)
Aventurine (132)
Axinite (10)
Beryl (584)
Black Opal (6)
Bloodstone (206)
Boulder Opal (239)
Calcite (71)
Carnelian (22)
Cat's Eye Apatite (29)
Cat's Eye Aquamarine (15)
Cat's Eye Beryl (3)
Cat's Eye Moonstone (31)
Cat's Eye Opal (144)
Cat's Eye Scapolite (78)
Cavansite (36)
Chalcedony (217)
Charoite (122)
Chocolate Opal (76)
Chrome Diopside (110)
Chrysoberyl (92)
Chrysoberyl Cat's Eye (53)
Chrysocolla (50)
Chrysoprase (4)
Cinnabar (78)
Citrine (4439)
Clinohumite (30)
Color-Change Diaspore (850)
Color-Change Fluorite (52)
Color-Change Garnet (193)
Coral (266)
Demantoid Garnet (233)
Dendritic Agate (198)
Diamond (603)
Druzy Amethyst (3)
Druzy Azurite (13)
Druzy Citrine (45)
Druzy Variscite (130)
Emerald (1)
Enstatite (3)
Feather Pyrite (43)
Fire Agate (320)
Fire Opal (126)
Fluorite (169)
Fossil Coral (323)
Golden Beryl (146)
Grandidierite (172)
Grossularite Garnet (33)
Hematite (356)
Hemimorphite Druzy (46)
Hessonite Garnet (2154)
Hiddenite (10)
Howlite (133)
Idocrase (21)
Imperial Topaz (12)
Iolite (164)
Jade (68)
Jadeite (274)
Jasper (1335)
Kornerupine (213)
Kunzite (388)
Kyanite (735)
Labradorite (1198)
Lapis Lazuli (2)
Larimar (120)
Lazulite (10)
Lepidolite (27)
Malachite (185)
Malaya Garnet (105)
Mali Garnet (6)
Matrix Opal (16)
Maw-Sit-Sit (120)
Moldavite (6)
Moonstone (955)
Morganite (977)
Moss Agate (58)
Mother of Pearl (11)
Nuummite (115)
Obsidian (207)
Opal (893)
Peanut Wood (11)
Peridot (1429)
Pietersite (628)
Prehnite (792)
Psilomelane Dendrite (23)
Pyrite (9)
Pyrope Garnet (1686)
Quartz (65)
Quartz Cat's Eye (69)
Quartz With Hedenbergite (7)
Quartz With Marcasite (184)
Rainbow Moonstone (920)
Rainbow Pyrite (248)
Rhodochrosite (135)
Rhodolite Garnet (489)
Rhodonite (30)
Rose Quartz (676)
Rubellite Tourmaline (9)
Ruby (4)
Ruby in Fuchsite (90)
Ruby-Zoisite (212)
Rutile Quartz (500)
Sapphire (59)
Scolecite (29)
Seraphinite (43)
Serpentine (72)
Sillimanite (67)
Sillimanite Cat's Eye (379)
Smithsonite (1)
Smoky Quartz (936)
Snowflake Obsidian (23)
Sodalite (21)
Spectrolite (121)
Spessartite Garnet (454)
Sphalerite (347)
Sphene (580)
Spinel (953)
Star Diopside (175)
Star Garnet (115)
Star Moonstone (75)
Star Rose Quartz (22)
Star Ruby (1)
Star Sapphire (15)
Strawberry Quartz (1082)
Sunstone (525)
Tiger's Eye (778)
Tiger's Eye Matrix (277)
Topaz (470)
Tourmaline (2664)
Tsavorite Garnet (184)
Turquoise (92)
Uvarovite Garnet Drusy (70)
Variscite (5)
Zircon (778)
Clear All
ID:
474855
Weight:
1.61ct
Size:
8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
14.88
Item in Stock
More Options & Item Details
ID:
711228
Weight:
1.27ct
Size:
7.3 x 5.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
30.48
Item in Stock
More Options & Item Details
ID:
673929
Weight:
13.46ct
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
193.62
Item in Stock
More Options & Item Details
ID:
439319
Weight:
3.85ct
Size:
9.6 x 9.5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
238.86
Item in Stock
More Options & Item Details
ID:
474831
Weight:
24.67ct (total)
Size:
18.9 x 11.2 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
58.62
Item in Stock
More Options & Item Details
ID:
744017
Weight:
15.22ct
Size:
14.1 x 13.1 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
217.04
Item in Stock
More Options & Item Details
ID:
741103
Weight:
2.19ct
Size:
8 x 7 mm
Clarity:
VS
Content:
1 pc
Price:
$
275.46
Item in Stock
More Options & Item Details
ID:
726857
Weight:
0.56ct
Size:
5 x 4 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
23.52
Item in Stock
More Options & Item Details
ID:
719302
Weight:
0.57ct
Size:
5.1 x 3.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
8.55
Item in Stock
More Options & Item Details
ID:
479081
Weight:
2.04ct (total)
Size:
10.2 x 5 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
21.54
Item in Stock
More Options & Item Details
ID:
688369
Weight:
0.19ct
Size:
3.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
9.12
Item in Stock
More Options & Item Details
ID:
686803
Weight:
1.35ct (total)
Size:
6.1 x 4.2 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
29.16
Item in Stock
More Options & Item Details
ID:
585852
Weight:
4.45ct
Size:
14.6 x 11.4 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
29.38
Item in Stock
More Options & Item Details
ID:
292882
Weight:
8.25ct
Size:
19.4 x 10.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
29.95
Item in Stock
More Options & Item Details
ID:
690241
Weight:
71.45ct
Size:
33 x 27.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
66.00
Item in Stock
More Options & Item Details
ID:
712309
Weight:
7.12ct (total)
Size:
14 x 7 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
18.97
Item in Stock
More Options & Item Details
ID:
471083
Weight:
24.04ct
Size:
27 x 20 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
25.38
Item in Stock
More Options & Item Details
ID:
490732
Weight:
4.70ct
Size:
14 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
34.13
Item in Stock
More Options & Item Details
ID:
349579
Weight:
1.59ct
Size:
20 x 3.2 mm
Clarity:
VVS
Content:
1 pc
Price:
$
46.18
Item in Stock
More Options & Item Details
ID:
455386
Weight:
1.79ct
Size:
10.2 x 5.1 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
16.54
Item in Stock
More Options & Item Details
ID:
513693
Weight:
19.38ct
Size:
25.4 x 15.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
25.58
Item in Stock
More Options & Item Details
ID:
681855
Weight:
0.21ct
Size:
3.5 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
120.36
Item in Stock
More Options & Item Details
ID:
481879
Weight:
1.23ct
Size:
6.5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
35.36
Item in Stock
More Options & Item Details
ID:
534722
Weight:
2.96ct
Size:
10 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
23.45
Item in Stock
More Options & Item Details
ID:
418098
Weight:
5.19ct
Size:
12 x 9.5 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
27.41
Item in Stock
More Options & Item Details
ID:
418350
Weight:
8.73ct
Size:
16 x 12 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
17.29
Item in Stock
More Options & Item Details
ID:
694683
Weight:
0.45ct
Size:
5 x 3.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
16.20
Item in Stock
More Options & Item Details
ID:
479281
Weight:
2.05ct (total)
Size:
9.9 x 5 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
21.65
Item in Stock
More Options & Item Details
ID:
730296
Weight:
81.57ct
Size:
39.2 x 36.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
78.31
Item in Stock
More Options & Item Details
ID:
675203
Weight:
14.40ct
Size:
24.4 x 15.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
12.96
Item in Stock
More Options & Item Details
ID:
710975
Weight:
29.01ct
Size:
32.5 x 18.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
57.79
Item in Stock
More Options & Item Details
ID:
700901
Weight:
0.57ct
Size:
4.7 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
34.20
Item in Stock
More Options & Item Details
ID:
358101
Weight:
2.17ct
Size:
9 x 6 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
57.58
Item in Stock
More Options & Item Details
ID:
555837
Weight:
1.14ct
Size:
7.5 x 5.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
20.52
Item in Stock
More Options & Item Details
ID:
531811
Weight:
1.49ct
Size:
6.7 x 5.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
112.18
Item in Stock
More Options & Item Details
ID:
721561
Weight:
22.03ct
Size:
33.5 x 21.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
79.31
Item in Stock
More Options & Item Details
ID:
542533
Weight:
0.67ct
Size:
6.1 x 5 mm
Clarity:
VS
Content:
1 pc
Price:
$
29.88
Item in Stock
More Options & Item Details
ID:
694094
Weight:
39.18ct
Size:
37.9 x 11.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
4.70
Item in Stock
More Options & Item Details
ID:
712307
Weight:
6.97ct (total)
Size:
14 x 7 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
18.56
Item in Stock
More Options & Item Details
ID:
609114
Weight:
4.32ct (total)
Size:
9 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
79.84
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:
466121
Weight:
4.32ct (total)
Size:
12 x 6.1 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
45.62
Item in Stock
More Options & Item Details
ID:
421013
Weight:
8.14ct
Size:
21.9 x 10.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
32.23
Item in Stock
More Options & Item Details
ID:
533870
Weight:
2.70ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
24.95
Item in Stock
More Options & Item Details
ID:
465760
Weight:
3.50ct (total)
Size:
12 x 5.9 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
36.96
Item in Stock
More Options & Item Details
ID:
465297
Weight:
3.53ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
30.89
Item in Stock
More Options & Item Details
ID:
544611
Weight:
0.90ct
Size:
7.5 x 4.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
40.27
Item in Stock
More Options & Item Details
ID:
737906
Weight:
0.78ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
39.00
Item in Stock
More Options & Item Details
ID:
722350
Weight:
29.19ct
Size:
26.3 x 23.9 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
37.48
Item in Stock
More Options & Item Details
ID:
491144
Weight:
16.14ct (total)
Size:
9 mm (calibrated)
Clarity:
Opaque
Content:
5 pcs
Price:
$
12.91
Item in Stock
More Options & Item Details
ID:
697219
Weight:
0.57ct (total)
Size:
3.7 mm
Clarity:
VS-SI
Content:
2 pcs
Price:
$
12.31
Item in Stock
More Options & Item Details
ID:
699682
Weight:
29.38ct
Size:
34.4 x 21.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
24.68
Item in Stock
More Options & Item Details
ID:
719563
Weight:
0.76ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
6.38
Item in Stock
More Options & Item Details
ID:
529154
Weight:
2.15ct
Size:
9 x 7 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
42.58
Item in Stock
More Options & Item Details
ID:
707214
Weight:
1.67ct
Size:
8.1 x 7.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
4.01
Item in Stock
More Options & Item Details
ID:
706848
Weight:
1.25ct
Size:
10.1 x 5.3 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
3.00
Item in Stock
More Options & Item Details
ID:
447536
Weight:
2.24ct
Size:
8.3 x 7.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
106.27
Item in Stock
More Options & Item Details
ID:
725453
Weight:
8.91ct
Size:
14 x 12 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
10.15
Item in Stock
More Options & Item Details
ID:
383761
Weight:
1.35ct
Size:
18.8 x 3 mm
Clarity:
VS
Content:
1 pc
Price:
$
34.04
Item in Stock
More Options & Item Details
ID:
554635
Weight:
0.94ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
7.44
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
Great experience. I can't wait to explore on the website further.
Posted By Kymmie in September, 2025
Source: Bizrate
Overall Rating -> 10
very good
Posted By Son Gift in January, 2025
Source: Bizrate
Overall Rating -> 10
Site is easy to navigate and the variety is great and how often new products are added is also great.
Posted By Jhidron in March, 2025
Source: Bizrate
Overall Rating -> 10
Good. I ts very user friendly.
Posted By Shalini in June, 2025
Source: Bizrate
Overall Rating -> 10
Enjoyed shopping.
Posted By Chris in March, 2025
Source: Bizrate
Overall Rating -> 10
the selection is good as are the prices
Posted By Old man in August, 2025
Source: Bizrate
Overall Rating -> 10
I have a beautiful emerald I purchased from a company names gemselect and they are awesome! You should try them out?
Posted By Lynn in September, 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 found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar
Posted By TheP in January, 2025
Source: Bizrate