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 (563)
Agate Geode (15)
Alexandrite (24)
Almandine Garnet (405)
Amazonite (274)
Amethyst (2925)
Amethyst Geode Slice (70)
Ametrine (145)
Andalusite (190)
Apatite (270)
Aquamarine (107)
Aragonite (26)
Aventurine (132)
Axinite (10)
Beryl (581)
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 (215)
Charoite (120)
Chocolate Opal (76)
Chrome Diopside (110)
Chrysoberyl (92)
Chrysoberyl Cat's Eye (53)
Chrysocolla (50)
Chrysoprase (8)
Cinnabar (78)
Citrine (4436)
Clinohumite (30)
Color-Change Diaspore (850)
Color-Change Fluorite (52)
Color-Change Garnet (193)
Coral (266)
Demantoid Garnet (231)
Dendritic Agate (198)
Diamond (601)
Druzy Amethyst (3)
Druzy Azurite (13)
Druzy Citrine (45)
Druzy Variscite (130)
Emerald (1)
Enstatite (3)
Feather Pyrite (43)
Fire Agate (320)
Fire Opal (127)
Fluorite (170)
Fossil Coral (323)
Golden Beryl (148)
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 (275)
Jasper (1335)
Kornerupine (213)
Kunzite (388)
Kyanite (738)
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 (7)
Moonstone (955)
Morganite (977)
Moss Agate (58)
Mother of Pearl (11)
Nuummite (115)
Obsidian (207)
Opal (893)
Peanut Wood (11)
Peridot (1430)
Pietersite (624)
Prehnite (792)
Psilomelane Dendrite (23)
Pyrite (11)
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 (483)
Rhodonite (30)
Rose Quartz (678)
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 (937)
Snowflake Obsidian (23)
Sodalite (21)
Spectrolite (121)
Spessartite Garnet (454)
Sphalerite (348)
Sphene (579)
Spinel (955)
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 (777)
Tiger's Eye Matrix (277)
Topaz (470)
Tourmaline (2665)
Tsavorite Garnet (184)
Turquoise (92)
Uvarovite Garnet Drusy (68)
Variscite (5)
Zircon (779)
Clear All
ID:
388094
Weight:
3.05ct (total)
Size:
4.6 x 4.6 mm
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
20.14
Item in Stock
More Options & Item Details
ID:
446128
Weight:
3.75ct
Size:
12.7 x 10 mm
Clarity:
VVS
Content:
1 pc
Price:
$
27.37
Item in Stock
More Options & Item Details
ID:
493251
Weight:
5.61ct
Size:
14 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
40.21
Item in Stock
More Options & Item Details
ID:
322523
Weight:
5.20ct (total)
Size:
7.1 x 6.4 mm
Clarity:
Transparent
Content:
4 pcs
Price:
$
34.32
Item in Stock
More Options & Item Details
ID:
715547
Weight:
5.84ct (total)
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
56.06
Item in Stock
More Options & Item Details
ID:
664225
Weight:
1.07ct
Size:
7.5 x 5.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
11.56
Item in Stock
More Options & Item Details
ID:
364635
Weight:
4.43ct (total)
Size:
9.9 x 5.1 mm
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
34.11
Item in Stock
More Options & Item Details
ID:
388098
Weight:
3.03ct (total)
Size:
4.6 x 4.5 mm
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
20.00
Item in Stock
More Options & Item Details
ID:
480130
Weight:
3.32ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
Translucent
Content:
6 pcs
Price:
$
30.67
Item in Stock
More Options & Item Details
ID:
567407
Weight:
0.24ct (total)
Size:
3 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
469.93
Item in Stock
More Options & Item Details
ID:
474891
Weight:
1.77ct
Size:
8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
16.36
Item in Stock
More Options & Item Details
ID:
678117
Weight:
4.42ct
Size:
23.5 x 8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
5.46
Item in Stock
More Options & Item Details
ID:
726942
Weight:
0.49ct
Size:
8 x 5 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
14.70
Item in Stock
More Options & Item Details
ID:
724818
Weight:
0.75ct
Size:
8.9 x 3.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
31.50
Item in Stock
More Options & Item Details
ID:
348908
Weight:
34.98ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
46.18
Item in Stock
More Options & Item Details
ID:
734691
Weight:
75.56ct
Size:
29.5 x 29.4 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
725.38
Item in Stock
More Options & Item Details
ID:
453545
Weight:
10.15ct
Size:
13.8 x 11.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
334.96
Item in Stock
More Options & Item Details
ID:
428330
Weight:
3.81ct (total)
Size:
8 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
10.06
Item in Stock
More Options & Item Details
ID:
700977
Weight:
0.25ct
Size:
3.7 mm
Clarity:
SI
Content:
1 pc
Price:
$
15.00
Item in Stock
More Options & Item Details
ID:
461180
Weight:
4.53ct
Size:
12 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
41.86
Item in Stock
More Options & Item Details
ID:
464278
Weight:
3.75ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
34.66
Item in Stock
More Options & Item Details
ID:
570376
Weight:
2.40ct
Size:
9 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
17.68
Item in Stock
More Options & Item Details
ID:
725676
Weight:
0.45ct
Size:
5 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
4.32
Item in Stock
More Options & Item Details
ID:
687745
Weight:
13.82ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
16.58
Item in Stock
More Options & Item Details
ID:
569230
Weight:
2.30ct
Size:
8.1 x 6.3 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
45.72
Item in Stock
More Options & Item Details
ID:
389590
Weight:
2.74ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
18.08
Item in Stock
More Options & Item Details
ID:
474958
Weight:
2.70ct (total)
Size:
6.2 x 4.2 mm
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
89.10
Item in Stock
More Options & Item Details
ID:
465251
Weight:
4.53ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
39.64
Item in Stock
More Options & Item Details
ID:
472727
Weight:
5.07ct
Size:
20.1 x 12.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
13.32
Item in Stock
More Options & Item Details
ID:
612313
Weight:
0.73ct
Size:
6.6 x 4.6 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
3.38
Item in Stock
More Options & Item Details
ID:
712933
Weight:
1.86ct
Size:
9 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
4.96
Item in Stock
More Options & Item Details
ID:
657089
Weight:
5.57ct
Size:
17.6 x 14 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
31.68
Item in Stock
More Options & Item Details
ID:
697229
Weight:
33.78ct
Size:
38 x 10.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
4.06
Item in Stock
More Options & Item Details
ID:
619977
Weight:
7.80ct
Size:
14.8 x 10.9 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
102.96
Item in Stock
More Options & Item Details
ID:
486847
Weight:
34.75ct
Size:
34.4 x 25.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
22.94
Item in Stock
More Options & Item Details
ID:
725879
Weight:
0.96ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
9.22
Item in Stock
More Options & Item Details
ID:
636880
Weight:
1.49ct
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
32.77
Item in Stock
More Options & Item Details
ID:
522176
Weight:
20.13ct
Size:
28.4 x 17.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
132.86
Item in Stock
More Options & Item Details
ID:
592769
Weight:
0.89ct (total)
Size:
8 x 3.9 mm
Clarity:
VS
Content:
2 pcs
Price:
$
16.45
Item in Stock
More Options & Item Details
ID:
528223
Weight:
0.98ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
9.06
Item in Stock
More Options & Item Details
ID:
427874
Weight:
1.09ct
Size:
9 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
11.51
Item in Stock
More Options & Item Details
ID:
718547
Weight:
6.33ct
Size:
12 x 12 mm (calibrated)
Clarity:
Translucent
Price:
$
28.49
Item in Stock
More Options & Item Details
ID:
382728
Weight:
17.45ct
Size:
18.9 x 12.4 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
369.47
Item in Stock
More Options & Item Details
ID:
696454
Weight:
37.31ct
Size:
35.8 x 11.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
4.48
Item in Stock
More Options & Item Details
ID:
418333
Weight:
9.60ct (total)
Size:
16 x 9.7 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
19.01
Item in Stock
More Options & Item Details
ID:
722755
Weight:
6.93ct
Size:
15.7 x 10.4 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
58.21
Item in Stock
More Options & Item Details
ID:
623114
Weight:
1.48ct
Size:
6 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
31.13
Item in Stock
More Options & Item Details
ID:
531875
Weight:
3.23ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
17.05
Item in Stock
More Options & Item Details
ID:
642156
Weight:
4.09ct
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
29.45
Item in Stock
More Options & Item Details
ID:
542602
Weight:
0.70ct
Size:
7.3 x 4.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
31.22
Item in Stock
More Options & Item Details
ID:
744501
Weight:
21.40ct (total)
Size:
22.3 x 12.2 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
107.00
Item in Stock
More Options & Item Details
ID:
396414
Weight:
1.37ct
Size:
8.4 x 4.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
86.36
Item in Stock
More Options & Item Details
ID:
523175
Weight:
13.90ct
Size:
18.9 x 12.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
110.09
Item in Stock
More Options & Item Details
ID:
728003
Weight:
0.03ct
Size:
2.1 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
12.37
Item in Stock
More Options & Item Details
ID:
688825
Weight:
4.42ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
20.29
Item in Stock
More Options & Item Details
ID:
608308
Weight:
2.71ct (total)
Size:
7 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
50.08
Item in Stock
More Options & Item Details
ID:
367965
Weight:
4.55ct
Size:
11.5 x 7.4 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
29.80
Item in Stock
More Options & Item Details
ID:
585684
Weight:
17.86ct
Size:
20 x 20 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
117.88
Item in Stock
More Options & Item Details
ID:
343059
Weight:
1.56ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
92.66
Item in Stock
More Options & Item Details
ID:
363149
Weight:
40.10ct
Size:
24.6 x 20.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
79.40
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 prices!!! High quality gemstones.
Posted By Ricky in October, 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
Enjoyed shopping.
Posted By Chris in March, 2025
Source: Bizrate
Overall Rating -> 9
It is a good experience, it is easy to view the item, and easy to check out.
Posted By Neo in November, 2024
Source: Bizrate
Overall Rating -> 10
Great for buying gemstones, came with authenticity certs. Will buy again someday!
Posted By Uggadugga in May, 2025
Source: Bizrate
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
went well
Posted By Doug in May, 2025
Source: Bizrate
Overall Rating -> 10
selection was broad and the check out was quick. Great site
Posted By JC Karl in September, 2025
Source: Bizrate
Overall Rating -> 10
It was easy to find what I wanted
Posted By Villian in December, 2024
Source: Bizrate