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:
520886
Weight:
2.10ct
Size:
7 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
19.40
Item in Stock
More Options & Item Details
ID:
586132
Weight:
11.47ct
Size:
14 x 14 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
75.71
Item in Stock
More Options & Item Details
ID:
501697
Weight:
125.34ct (total)
Size:
50.1 x 19.2 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
451.22
Item in Stock
More Options & Item Details
ID:
658617
Weight:
77.09ct
Size:
42 x 33.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
158.18
Item in Stock
More Options & Item Details
ID:
694842
Weight:
5.38ct
Size:
11 x 11 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
30.99
Item in Stock
More Options & Item Details
ID:
544463
Weight:
0.78ct
Size:
5.3 x 4.6 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
34.90
Item in Stock
More Options & Item Details
ID:
650123
Weight:
11.24ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
7.96
Item in Stock
More Options & Item Details
ID:
596865
Weight:
4.78ct
Size:
15.7 x 9.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
17.21
Item in Stock
More Options & Item Details
ID:
634239
Weight:
13.80ct (total)
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
62.76
Item in Stock
More Options & Item Details
ID:
485222
Weight:
14.06ct (total)
Size:
11 x 11 mm (calibrated)
Clarity:
Translucent
Content:
4 pcs
Price:
$
67.49
Item in Stock
More Options & Item Details
ID:
399844
Weight:
3.74ct
Size:
9 x 9 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
184.49
Item in Stock
More Options & Item Details
ID:
716355
Weight:
2.41ct
Size:
10 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
23.14
Item in Stock
More Options & Item Details
ID:
411741
Weight:
1.58ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
66.36
Item in Stock
More Options & Item Details
ID:
606957
Weight:
2.67ct
Size:
10 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
17.63
Item in Stock
More Options & Item Details
ID:
724990
Weight:
0.70ct
Size:
11.7 x 2.7 mm
Clarity:
VVS
Content:
1 pc
Price:
$
29.40
Item in Stock
More Options & Item Details
ID:
431794
Weight:
2.30ct (total)
Size:
4.7 x 4.6 mm
Clarity:
VS
Content:
4 pcs
Price:
$
24.26
Item in Stock
More Options & Item Details
ID:
534243
Weight:
2.60ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
20.59
Item in Stock
More Options & Item Details
ID:
712867
Weight:
5.88ct
Size:
16 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
15.66
Item in Stock
More Options & Item Details
ID:
717337
Weight:
9.43ct
Size:
13.9 x 10.7 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
282.90
Item in Stock
More Options & Item Details
ID:
733077
Weight:
0.44ct
Size:
5 x 5 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
18.48
Item in Stock
More Options & Item Details
ID:
688981
Weight:
1.48ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
14.21
Item in Stock
More Options & Item Details
ID:
669868
Weight:
9.84ct
Size:
18.2 x 15.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
29.52
Item in Stock
More Options & Item Details
ID:
648736
Weight:
26.78ct
Size:
27.1 x 17.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
15.42
Item in Stock
More Options & Item Details
ID:
457119
Weight:
2.78ct
Size:
10.4 x 8.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
25.69
Item in Stock
More Options & Item Details
ID:
734749
Weight:
5.08ct
Size:
12.8 x 7.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
213.36
Item in Stock
More Options & Item Details
ID:
501532
Weight:
20.93ct
Size:
27.1 x 21.6 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
87.86
Item in Stock
More Options & Item Details
ID:
677916
Weight:
avg. 0.13 ct / each
Size:
2.6 x 2.6 mm
Clarity:
Opaque
Price:
$
64.17
Item in Stock
More Options & Item Details
ID:
700188
Weight:
0.47ct
Size:
5 x 4.3 mm
Clarity:
SI
Content:
1 pc
Price:
$
28.20
Item in Stock
More Options & Item Details
ID:
721582
Weight:
30.98ct
Size:
28.9 x 20.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
37.18
Item in Stock
More Options & Item Details
ID:
493850
Weight:
1.86ct
Size:
11.6 x 5.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
14.74
Item in Stock
More Options & Item Details
ID:
622080
Weight:
1.53ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS
Price:
$
14.14
Item in Stock
More Options & Item Details
ID:
737374
Weight:
2.22ct
Size:
9 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
99.90
Item in Stock
More Options & Item Details
ID:
722808
Weight:
0.64ct
Size:
5.3 x 5.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
19.20
Item in Stock
More Options & Item Details
ID:
717956
Weight:
0.60ct
Size:
5.2 x 4.1 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
18.00
Item in Stock
More Options & Item Details
ID:
623859
Weight:
1.33ct
Size:
6.4 x 6.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
8.78
Item in Stock
More Options & Item Details
ID:
715537
Weight:
4.19ct
Size:
12 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
40.22
Item in Stock
More Options & Item Details
ID:
686820
Weight:
6.10ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
7.32
Item in Stock
More Options & Item Details
ID:
435895
Weight:
8.42ct
Size:
18 x 13 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
27.56
Item in Stock
More Options & Item Details
ID:
707172
Weight:
4.76ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
11.42
Item in Stock
More Options & Item Details
ID:
585380
Weight:
4.60ct
Size:
12.6 x 9.8 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
43.48
Item in Stock
More Options & Item Details
ID:
565356
Weight:
2.10ct
Size:
8 x 5.7 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
47.78
Item in Stock
More Options & Item Details
ID:
484217
Weight:
1.39ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
18.35
Item in Stock
More Options & Item Details
ID:
717972
Weight:
0.08ct (total)
Size:
2.1 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
76.80
Item in Stock
More Options & Item Details
ID:
450994
Weight:
2.87ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
26.52
Item in Stock
More Options & Item Details
ID:
737068
Weight:
26.51ct
Size:
27.8 x 19.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
24.92
Item in Stock
More Options & Item Details
ID:
527302
Weight:
avg. 0.50 ct / each
Size:
5 x 5 mm (calibrated)
Clarity:
VVS-VS
Price:
$
8.32
Item in Stock
More Options & Item Details
Select
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
pcs
ID:
553132
Weight:
2.48ct
Size:
7 x 7 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
56.05
Item in Stock
More Options & Item Details
ID:
697467
Weight:
0.64ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
3.84
Item in Stock
More Options & Item Details
ID:
681794
Weight:
0.56ct
Size:
6 x 4 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
10.08
Item in Stock
More Options & Item Details
ID:
699284
Weight:
1.63ct
Size:
7.4 x 6.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
9.78
Item in Stock
More Options & Item Details
ID:
695366
Weight:
2.48ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
74.40
Item in Stock
More Options & Item Details
ID:
558207
Weight:
3.80ct
Size:
12 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
28.74
Item in Stock
More Options & Item Details
ID:
552439
Weight:
10.32ct
Size:
21.9 x 15.6 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
27.24
Item in Stock
More Options & Item Details
ID:
658691
Weight:
57.20ct
Size:
39.1 x 37.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
35.24
Item in Stock
More Options & Item Details
ID:
494331
Weight:
3.42ct
Size:
12 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
12.24
Item in Stock
More Options & Item Details
ID:
606557
Weight:
61.30ct
Size:
33.4 x 25.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
38.03
Item in Stock
More Options & Item Details
ID:
638824
Weight:
4.01ct
Size:
12 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
19.87
Item in Stock
More Options & Item Details
ID:
456283
Weight:
3.38ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
31.24
Item in Stock
More Options & Item Details
ID:
561345
Weight:
0.96ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
8.87
Item in Stock
More Options & Item Details
ID:
554089
Weight:
1.08ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
21.38
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
I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.
Posted By Desertchick in March, 2025
Source: Bizrate
Overall Rating -> 9
Will know more once order received
Posted By Jim in September, 2025
Source: Bizrate
Overall Rating -> 10
easy site to navigate
Posted By Curt's Cabochons in June, 2025
Source: Bizrate
Overall Rating -> 10
All good
Posted By DouscheGift in August, 2025
Source: Bizrate
Overall Rating -> 10
Loved everything. High quality, quick shipping, and authentication included.
Posted By Chris in March, 2025
Source: Bizrate
Overall Rating -> 9
I wish there were options for jewelry settings
Posted By Tim in May, 2025
Source: Bizrate
Overall Rating -> 9
I love the gems!
Posted By MM in April, 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
Im not a jeweler, I buy for my personal use. My dad was a jewelry maker and I love gemstones.
Posted By Andie in September, 2024
Source: Bizrate