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 (562)
Agate Geode (15)
Alexandrite (24)
Almandine Garnet (402)
Amazonite (273)
Amethyst (2923)
Amethyst Geode Slice (70)
Ametrine (146)
Andalusite (189)
Apatite (270)
Aquamarine (107)
Aragonite (26)
Aventurine (132)
Axinite (10)
Beryl (580)
Black Opal (6)
Bloodstone (206)
Boulder Opal (239)
Calcite (71)
Carnelian (23)
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 (214)
Charoite (119)
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 (230)
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 (625)
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 (481)
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 (578)
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 (775)
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:
704548
Weight:
2.17ct
Size:
10.6 x 8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
54.25
Item in Stock
More Options & Item Details
ID:
645989
Weight:
14.61ct
Size:
21 x 13.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
37.99
Item in Stock
More Options & Item Details
ID:
358195
Weight:
1.36ct
Size:
7 x 5.9 mm
Clarity:
VVS
Content:
1 pc
Price:
$
36.08
Item in Stock
More Options & Item Details
ID:
399660
Weight:
4.69ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
154.78
Item in Stock
More Options & Item Details
ID:
539886
Weight:
1.00ct
Size:
5 x 5 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
20.21
Item in Stock
More Options & Item Details
ID:
682025
Weight:
1.06ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
19.08
Item in Stock
More Options & Item Details
ID:
494209
Weight:
4.32ct
Size:
12 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
30.97
Item in Stock
More Options & Item Details
ID:
682999
Weight:
9.78ct
Size:
13.3 x 12.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
58.68
Item in Stock
More Options & Item Details
ID:
721938
Weight:
15.04ct
Size:
15.1 x 14 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
18.05
Item in Stock
More Options & Item Details
ID:
464446
Weight:
3.51ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
32.44
Item in Stock
More Options & Item Details
ID:
472145
Weight:
33.38ct (total)
Size:
20.3 x 13.2 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
66.10
Item in Stock
More Options & Item Details
ID:
485289
Weight:
6.24ct (total)
Size:
8 x 8 mm (calibrated)
Clarity:
Translucent
Content:
4 pcs
Price:
$
32.95
Item in Stock
More Options & Item Details
ID:
474683
Weight:
1.89ct
Size:
8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
17.46
Item in Stock
More Options & Item Details
ID:
676940
Weight:
0.05ct
Size:
2.2 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
19.62
Item in Stock
More Options & Item Details
ID:
688006
Weight:
0.91ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
8.74
Item in Stock
More Options & Item Details
ID:
710424
Weight:
7.82ct
Size:
15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
22.80
Item in Stock
More Options & Item Details
ID:
715519
Weight:
3.20ct
Size:
10 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
30.72
Item in Stock
More Options & Item Details
ID:
547612
Weight:
2.04ct
Size:
8.1 x 6.8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
13.46
Item in Stock
More Options & Item Details
ID:
577057
Weight:
7.52ct
Size:
21.1 x 9.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
69.48
Item in Stock
More Options & Item Details
ID:
467868
Weight:
3.97ct (total)
Size:
3.2 mm
Clarity:
Transparent
Content:
20 pcs
Price:
$
26.21
Item in Stock
More Options & Item Details
ID:
640371
Weight:
1.31ct
Size:
8 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
37.73
Item in Stock
More Options & Item Details
ID:
722154
Weight:
9.12ct
Size:
18.6 x 11 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
32.83
Item in Stock
More Options & Item Details
ID:
396249
Weight:
2.61ct
Size:
8 x 8 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
127.99
Item in Stock
More Options & Item Details
ID:
715506
Weight:
0.29ct
Size:
4.4 x 3.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
18.44
Item in Stock
More Options & Item Details
ID:
716145
Weight:
3.02ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
28.99
Item in Stock
More Options & Item Details
ID:
698610
Weight:
3.15ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
26.46
Item in Stock
More Options & Item Details
ID:
687617
Weight:
10.15ct (total)
Size:
10 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
29.72
Item in Stock
More Options & Item Details
ID:
697606
Weight:
0.67ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
4.02
Item in Stock
More Options & Item Details
ID:
700128
Weight:
0.33ct
Size:
4.2 x 3.4 mm
Clarity:
SI
Content:
1 pc
Price:
$
19.80
Item in Stock
More Options & Item Details
ID:
416165
Weight:
1.91ct
Size:
20.4 x 3.5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
60.50
Item in Stock
More Options & Item Details
ID:
714112
Weight:
0.42ct
Size:
4.3 mm
Clarity:
SI
Content:
1 pc
Price:
$
12.60
Item in Stock
More Options & Item Details
ID:
462953
Weight:
4.54ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
35.95
Item in Stock
More Options & Item Details
ID:
625261
Weight:
2.30ct
Size:
9.1 x 7.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
46.97
Item in Stock
More Options & Item Details
ID:
705805
Weight:
0.76ct
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
6.38
Item in Stock
More Options & Item Details
ID:
704996
Weight:
26.34ct
Size:
38 x 9.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
6.32
Item in Stock
More Options & Item Details
ID:
713655
Weight:
20.29ct
Size:
20 x 15 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
170.44
Item in Stock
More Options & Item Details
ID:
348530
Weight:
2.03ct
Size:
20.5 x 3.5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
67.00
Item in Stock
More Options & Item Details
ID:
409674
Weight:
6.89ct (total)
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
32.83
Item in Stock
More Options & Item Details
ID:
620851
Weight:
3.82ct (total)
Size:
12 x 6 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
40.34
Item in Stock
More Options & Item Details
ID:
699631
Weight:
0.74ct
Size:
5.7 x 4.9 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
44.40
Item in Stock
More Options & Item Details
ID:
486989
Weight:
17.47ct
Size:
19.4 x 17.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
11.53
Item in Stock
More Options & Item Details
ID:
492528
Weight:
6.11ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
44.20
Item in Stock
More Options & Item Details
ID:
544310
Weight:
0.74ct
Size:
6.4 x 4.2 mm
Clarity:
SI-I1
Content:
1 pc
Price:
$
19.54
Item in Stock
More Options & Item Details
ID:
595198
Weight:
3.02ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
79.73
Item in Stock
More Options & Item Details
ID:
484324
Weight:
10.55ct
Size:
18.5 x 10.1 mm
Clarity:
VVS
Content:
1 pc
Price:
$
81.24
Item in Stock
More Options & Item Details
ID:
513227
Weight:
6.69ct
Size:
13 mm (calibrated)
Clarity:
VVS
Price:
$
26.50
Item in Stock
More Options & Item Details
ID:
481334
Weight:
25.72ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
23.15
Item in Stock
More Options & Item Details
ID:
384202
Weight:
1.35ct
Size:
18.3 x 3.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
34.40
Item in Stock
More Options & Item Details
ID:
685245
Weight:
13.57ct
Size:
25 x 18 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
13.51
Item in Stock
More Options & Item Details
ID:
738973
Weight:
0.96ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
8.64
Item in Stock
More Options & Item Details
ID:
443357
Weight:
4.56ct
Size:
11 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
14.99
Item in Stock
More Options & Item Details
ID:
474711
Weight:
2.01ct
Size:
10 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
22.11
Item in Stock
More Options & Item Details
ID:
540947
Weight:
2.59ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
68.28
Item in Stock
More Options & Item Details
ID:
725649
Weight:
1.39ct
Size:
9 x 7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
55.06
Item in Stock
More Options & Item Details
ID:
439018
Weight:
2.37ct
Size:
10 x 8 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
78.22
Item in Stock
More Options & Item Details
ID:
463129
Weight:
5.03ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
39.84
Item in Stock
More Options & Item Details
ID:
449001
Weight:
6.17ct
Size:
13 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
20.35
Item in Stock
More Options & Item Details
ID:
485316
Weight:
2.46ct
Size:
11 x 11 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
12.98
Item in Stock
More Options & Item Details
ID:
722699
Weight:
20.73ct
Size:
26 x 16.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
174.13
Item in Stock
More Options & Item Details
ID:
428012
Weight:
35.84ct
Size:
30.9 x 23.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
31.69
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
easy site to navigate
Posted By Curt's Cabochons in June, 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 find what I wanted
Posted By Villian in December, 2024
Source: Bizrate
Overall Rating -> 10
It was my second time so I understand what it is to do
Posted By Ibie in February, 2025
Source: Bizrate
Overall Rating -> 10
I feel Gemselect is a trustworthy company to buy from
Posted By Becky in October, 2025
Source: Bizrate
Overall Rating -> 10
Enjoy every moment
Posted By Ferns in October, 2025
Source: Bizrate
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 -> 10
Loved everything. High quality, quick shipping, and authentication included.
Posted By Chris in March, 2025
Source: Bizrate
Overall Rating -> 10
I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.
Posted By Sam in March, 2025
Source: Bizrate