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 (2926)
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 (4437)
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 (482)
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 (956)
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:
624168
Weight:
0.74ct
Size:
5 x 5 mm (calibrated)
Clarity:
Transparent
Price:
$
7.81
Item in Stock
More Options & Item Details
ID:
428216
Weight:
3.53ct (total)
Size:
8 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
9.32
Item in Stock
More Options & Item Details
ID:
291474
Weight:
11.04ct
Size:
22.6 x 10.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
40.08
Item in Stock
More Options & Item Details
ID:
550349
Weight:
28.25ct (total)
Size:
20.8 x 13.5 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
42.52
Item in Stock
More Options & Item Details
ID:
456377
Weight:
3.51ct
Size:
11.5 x 7.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
32.44
Item in Stock
More Options & Item Details
ID:
491051
Weight:
9.43ct (total)
Size:
8 mm (calibrated)
Clarity:
Opaque
Content:
4 pcs
Price:
$
27.76
Item in Stock
More Options & Item Details
ID:
457061
Weight:
5.67ct
Size:
12.9 x 8 mm
Clarity:
VS
Content:
1 pc
Price:
$
29.94
Item in Stock
More Options & Item Details
ID:
724759
Weight:
0.25ct
Size:
5.2 x 3.8 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
35.00
Item in Stock
More Options & Item Details
ID:
684559
Weight:
0.80ct
Size:
5 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
1.15
Item in Stock
More Options & Item Details
ID:
651032
Weight:
13.50ct
Size:
16 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
57.19
Item in Stock
More Options & Item Details
ID:
723884
Weight:
8.11ct
Size:
13 x 9 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
9.64
Item in Stock
More Options & Item Details
ID:
485195
Weight:
2.37ct (total)
Size:
7.4 x 7.4 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
12.52
Item in Stock
More Options & Item Details
ID:
699236
Weight:
0.78ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
6.55
Item in Stock
More Options & Item Details
ID:
664884
Weight:
1.11ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
11.99
Item in Stock
More Options & Item Details
ID:
697050
Weight:
17.45ct
Size:
29.2 x 14.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
11.94
Item in Stock
More Options & Item Details
ID:
501518
Weight:
10.38ct
Size:
17 x 17 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
43.57
Item in Stock
More Options & Item Details
ID:
521353
Weight:
8.13ct
Size:
16 x 12 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
64.39
Item in Stock
More Options & Item Details
ID:
538009
Weight:
0.92ct
Size:
7.5 x 4 mm
Clarity:
VS
Content:
1 pc
Price:
$
83.80
Item in Stock
More Options & Item Details
ID:
481492
Weight:
59.19ct
Size:
35.2 x 23.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
42.19
Item in Stock
More Options & Item Details
ID:
689608
Weight:
2.05ct
Size:
10 x 8 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
11.29
Item in Stock
More Options & Item Details
ID:
693950
Weight:
0.85ct
Size:
10.6 x 3.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
51.00
Item in Stock
More Options & Item Details
ID:
532016
Weight:
4.00ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
21.12
Item in Stock
More Options & Item Details
ID:
742090
Weight:
3.13ct
Size:
12 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
31.30
Item in Stock
More Options & Item Details
ID:
734982
Weight:
8.10ct (total)
Size:
11 x 9 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
40.50
Item in Stock
More Options & Item Details
ID:
415990
Weight:
1.12ct
Size:
12.2 x 3.6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
35.48
Item in Stock
More Options & Item Details
ID:
678710
Weight:
5.47ct (total)
Size:
10 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
45.95
Item in Stock
More Options & Item Details
ID:
439509
Weight:
5.17ct
Size:
14 x 12 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
102.37
Item in Stock
More Options & Item Details
ID:
449456
Weight:
1.55ct
Size:
17.2 x 3.3 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
61.38
Item in Stock
More Options & Item Details
ID:
655773
Weight:
0.73ct
Size:
7 x 7 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
17.52
Item in Stock
More Options & Item Details
ID:
647269
Weight:
1.02ct
Size:
7.2 x 5.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
23.26
Item in Stock
More Options & Item Details
ID:
695616
Weight:
2.52ct
Size:
10.2 x 8.4 mm
Clarity:
Opaque
Price:
$
6.96
Item in Stock
More Options & Item Details
ID:
494199
Weight:
4.83ct
Size:
12 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
34.62
Item in Stock
More Options & Item Details
ID:
545065
Weight:
0.79ct (total)
Size:
5.3 x 3.4 mm
Clarity:
SI-I1
Content:
2 pcs
Price:
$
20.86
Item in Stock
More Options & Item Details
ID:
512782
Weight:
2.55ct
Size:
9 x 7.4 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
55.16
Item in Stock
More Options & Item Details
ID:
699142
Weight:
11.54ct
Size:
19.3 x 11.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
13.85
Item in Stock
More Options & Item Details
ID:
714105
Weight:
0.36ct
Size:
4.2 mm
Clarity:
SI
Content:
1 pc
Price:
$
10.80
Item in Stock
More Options & Item Details
ID:
668869
Weight:
12.94ct
Size:
17.8 x 13.9 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
279.50
Item in Stock
More Options & Item Details
ID:
714215
Weight:
0.63ct
Size:
5 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
18.90
Item in Stock
More Options & Item Details
ID:
539713
Weight:
2.00ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
39.05
Item in Stock
More Options & Item Details
ID:
715094
Weight:
3.84ct (total)
Size:
7.5 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
9.95
Item in Stock
More Options & Item Details
ID:
547626
Weight:
2.17ct
Size:
6.5 x 6.5 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
43.97
Item in Stock
More Options & Item Details
ID:
346842
Weight:
37.10ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
48.97
Item in Stock
More Options & Item Details
ID:
643675
Weight:
1.01ct
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
24.24
Item in Stock
More Options & Item Details
ID:
726009
Weight:
0.82ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
32.48
Item in Stock
More Options & Item Details
ID:
665012
Weight:
7.30ct
Size:
16.7 x 12.2 mm
Clarity:
VVS
Content:
1 pc
Price:
$
61.32
Item in Stock
More Options & Item Details
ID:
559177
Weight:
2.43ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
9.24
Item in Stock
More Options & Item Details
ID:
390982
Weight:
3.69ct
Size:
9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
34.09
Item in Stock
More Options & Item Details
ID:
635166
Weight:
1.23ct
Size:
7 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
32.47
Item in Stock
More Options & Item Details
ID:
520285
Weight:
4.47ct
Size:
12 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
41.30
Item in Stock
More Options & Item Details
ID:
697691
Weight:
0.55ct (total)
Size:
3.5 mm (calibrated)
Clarity:
VS-SI
Content:
2 pcs
Price:
$
11.88
Item in Stock
More Options & Item Details
ID:
370459
Weight:
22.46ct (total)
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
44.47
Item in Stock
More Options & Item Details
ID:
694307
Weight:
18.49ct
Size:
32 x 15.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
46.23
Item in Stock
More Options & Item Details
ID:
453752
Weight:
2.97ct
Size:
12 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
27.44
Item in Stock
More Options & Item Details
ID:
483676
Weight:
1.66ct
Size:
7.1 x 5.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
139.44
Item in Stock
More Options & Item Details
ID:
367463
Weight:
1.00ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
139.55
Item in Stock
More Options & Item Details
ID:
525347
Weight:
1.61ct
Size:
7.5 x 6.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
297.53
Item in Stock
More Options & Item Details
ID:
711050
Weight:
15.13ct
Size:
17.8 x 14.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
27.24
Item in Stock
More Options & Item Details
ID:
671999
Weight:
11.53ct (total)
Size:
14 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
32.52
Item in Stock
More Options & Item Details
ID:
712290
Weight:
1.97ct (total)
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
39.34
Item in Stock
More Options & Item Details
ID:
578044
Weight:
1.02ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
53.86
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 like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.
Posted By Nate in March, 2025
Source: Bizrate
Overall Rating -> 10
I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.
Posted By Dia in March, 2025
Source: Bizrate
Overall Rating -> 9
Very easy to navigate with a great selection.
Posted By Bar181 in August, 2025
Source: Bizrate
Overall Rating -> 10
So far, my experience was great...Thanks
Posted By Kaydi in May, 2025
Source: Bizrate
Overall Rating -> 8
First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.
Posted By Salvo in July, 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
Enjoyed shopping.
Posted By Chris in March, 2025
Source: Bizrate
Overall Rating -> 9
I think therea's no problem
Posted By Napoleon in August, 2025
Source: Bizrate
Overall Rating -> 9
I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!
Posted By Leo in March, 2025
Source: Bizrate