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 (2924)
Amethyst Geode Slice (70)
Ametrine (146)
Andalusite (189)
Apatite (270)
Aquamarine (109)
Aragonite (26)
Aventurine (132)
Axinite (10)
Beryl (580)
Black Opal (6)
Bloodstone (206)
Boulder Opal (239)
Calcite (71)
Carnelian (24)
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 (602)
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 (938)
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 (2664)
Tsavorite Garnet (184)
Turquoise (92)
Uvarovite Garnet Drusy (68)
Variscite (5)
Zircon (779)
Clear All
ID:
710151
Weight:
2.87ct
Size:
10 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
24.11
Item in Stock
More Options & Item Details
ID:
671948
Weight:
1.48ct
Size:
8 x 6 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
35.52
Item in Stock
More Options & Item Details
ID:
637897
Weight:
0.60ct
Size:
7.7 x 4.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
72.98
Item in Stock
More Options & Item Details
ID:
363518
Weight:
34.73ct
Size:
35.2 x 19.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
55.51
Item in Stock
More Options & Item Details
ID:
474926
Weight:
2.01ct
Size:
8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
18.58
Item in Stock
More Options & Item Details
ID:
730065
Weight:
4.65ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
41.63
Item in Stock
More Options & Item Details
ID:
570044
Weight:
2.02ct
Size:
7 x 7 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
48.00
Item in Stock
More Options & Item Details
ID:
609049
Weight:
3.47ct
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
64.13
Item in Stock
More Options & Item Details
ID:
692700
Weight:
25.83ct
Size:
20 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
216.97
Item in Stock
More Options & Item Details
ID:
732213
Weight:
1.22ct
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
46.85
Item in Stock
More Options & Item Details
ID:
526634
Weight:
2.42ct
Size:
9 x 7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
25.56
Item in Stock
More Options & Item Details
ID:
724758
Weight:
0.17ct
Size:
3.7 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
28.56
Item in Stock
More Options & Item Details
ID:
404010
Weight:
102.57ct
Size:
26.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
406.18
Item in Stock
More Options & Item Details
ID:
659417
Weight:
1.23ct
Size:
6 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
2.95
Item in Stock
More Options & Item Details
ID:
642779
Weight:
1.29ct
Size:
7.5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
60.37
Item in Stock
More Options & Item Details
ID:
438832
Weight:
2.42ct (total)
Size:
5.4 x 3.4 mm
Clarity:
VS
Content:
6 pcs
Price:
$
47.44
Item in Stock
More Options & Item Details
ID:
700210
Weight:
25.45ct
Size:
29.5 x 17.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
13.74
Item in Stock
More Options & Item Details
ID:
418208
Weight:
6.02ct
Size:
13.7 x 10.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
11.92
Item in Stock
More Options & Item Details
ID:
431165
Weight:
1.46ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
15.41
Item in Stock
More Options & Item Details
ID:
712044
Weight:
3.20ct (total)
Size:
9 x 6 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
8.52
Item in Stock
More Options & Item Details
ID:
520558
Weight:
10.12ct (total)
Size:
12 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
93.50
Item in Stock
More Options & Item Details
ID:
448710
Weight:
3.48ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
11.48
Item in Stock
More Options & Item Details
ID:
606014
Weight:
7.57ct
Size:
16 x 12 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
99.92
Item in Stock
More Options & Item Details
ID:
604669
Weight:
2.67ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
70.49
Item in Stock
More Options & Item Details
ID:
434119
Weight:
2.44ct
Size:
10 x 8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
16.10
Item in Stock
More Options & Item Details
ID:
719063
Weight:
2.20ct
Size:
8.2 x 6.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
66.00
Item in Stock
More Options & Item Details
ID:
605450
Weight:
27.45ct (total)
Size:
23.2 x 12.8 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
42.76
Item in Stock
More Options & Item Details
ID:
715412
Weight:
0.53ct
Size:
5 x 4.4 mm
Clarity:
VVS
Content:
1 pc
Price:
$
33.71
Item in Stock
More Options & Item Details
ID:
727837
Weight:
0.02ct
Size:
2 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
8.24
Item in Stock
More Options & Item Details
ID:
678340
Weight:
2.73ct
Size:
8 x 7.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
98.28
Item in Stock
More Options & Item Details
ID:
710999
Weight:
10.55ct
Size:
16 x 12 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
28.10
Item in Stock
More Options & Item Details
ID:
439481
Weight:
6.82ct
Size:
14.6 x 10.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
135.04
Item in Stock
More Options & Item Details
ID:
739008
Weight:
0.36ct
Size:
5 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
18.00
Item in Stock
More Options & Item Details
ID:
376473
Weight:
2.06ct
Size:
7.8 x 7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
14.56
Item in Stock
More Options & Item Details
ID:
725329
Weight:
0.67ct
Size:
11.9 x 2.7 mm
Clarity:
VVS
Content:
1 pc
Price:
$
28.14
Item in Stock
More Options & Item Details
ID:
720106
Weight:
0.78ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
6.55
Item in Stock
More Options & Item Details
ID:
697427
Weight:
6.39ct
Size:
15.1 x 9.3 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
38.34
Item in Stock
More Options & Item Details
ID:
423451
Weight:
33.97ct (total)
Size:
13 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
44.84
Item in Stock
More Options & Item Details
ID:
431532
Weight:
2.84ct
Size:
8.1 x 7.1 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
67.48
Item in Stock
More Options & Item Details
ID:
514719
Weight:
25.54ct
Size:
36.6 x 9.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
18.55
Item in Stock
More Options & Item Details
ID:
734714
Weight:
70.80ct
Size:
30.5 x 29.9 mm
Clarity:
VVS
Content:
1 pc
Price:
$
679.68
Item in Stock
More Options & Item Details
ID:
548379
Weight:
12.29ct (total)
Size:
12 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
46.07
Item in Stock
More Options & Item Details
ID:
687122
Weight:
14.47ct
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
17.36
Item in Stock
More Options & Item Details
ID:
417859
Weight:
8.90ct
Size:
13 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
18.79
Item in Stock
More Options & Item Details
ID:
492640
Weight:
5.60ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
40.51
Item in Stock
More Options & Item Details
ID:
633303
Weight:
28.08ct
Size:
22.6 x 13.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
149.27
Item in Stock
More Options & Item Details
ID:
464172
Weight:
3.86ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
35.66
Item in Stock
More Options & Item Details
ID:
585508
Weight:
0.68ct
Size:
5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
18.70
Item in Stock
More Options & Item Details
ID:
656109
Weight:
1.44ct
Size:
8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
34.56
Item in Stock
More Options & Item Details
ID:
500170
Weight:
10.26ct
Size:
18.9 x 12.8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
67.72
Item in Stock
More Options & Item Details
ID:
609115
Weight:
2.04ct (total)
Size:
6.5 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
37.70
Item in Stock
More Options & Item Details
ID:
465965
Weight:
7.86ct
Size:
14 mm (calibrated)
Clarity:
VVS-VS
Price:
$
15.56
Item in Stock
More Options & Item Details
ID:
718580
Weight:
5.21ct
Size:
12 x 12 mm (calibrated)
Clarity:
Translucent
Price:
$
23.45
Item in Stock
More Options & Item Details
ID:
668806
Weight:
12.31ct
Size:
19.2 x 12.4 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
265.90
Item in Stock
More Options & Item Details
ID:
206015
Weight:
2.27ct (total)
Size:
4 mm (calibrated)
Clarity:
VS-SI
Content:
9 pcs
Price:
$
134.84
Item in Stock
More Options & Item Details
ID:
706373
Weight:
8.27ct
Size:
12 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
16.87
Item in Stock
More Options & Item Details
ID:
745505
Weight:
4.83ct
Size:
10.6 x 8.4 mm
Clarity:
VVS
Content:
1 pc
Price:
$
241.50
Item in Stock
More Options & Item Details
ID:
718250
Weight:
0.60ct
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
18.00
Item in Stock
More Options & Item Details
ID:
742610
Weight:
avg. 1.04 ct / each
Size:
5.9 x 4.9 mm
Clarity:
VVS-VS
Price:
$
15.61
Item in Stock
More Options & Item Details
Select
1
2
3
4
5
6
7
8
9
10
11
12
pcs
ID:
712478
Weight:
4.77ct (total)
Size:
10 x 7 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
12.71
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 -> 9
Very easy to navigate with a great selection.
Posted By Bar181 in August, 2025
Source: Bizrate
Overall Rating -> 10
Its been a long time since Ive made any purchases Im satisfied with the quality.
Posted By Hard Case in December, 2024
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 -> 9
It was a good experience looking for and finding a nice amethyst stone
Posted By N/a in May, 2025
Source: Bizrate
Overall Rating -> 10
Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.
Posted By Sal in July, 2025
Source: Bizrate
Overall Rating -> 10
Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.
Posted By Jac in July, 2025
Source: Bizrate
Overall Rating -> 10
When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.
Posted By LeAnn in April, 2025
Source: Bizrate
Overall Rating -> 10
Very professional site
Posted By JR in January, 2025
Source: Bizrate
Overall Rating -> 9
Been using them for years! Very satisfied with the products.
Posted By PI SC in May, 2025
Source: Bizrate