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 (589)
Agate Geode (15)
Alexandrite (21)
Almandine Garnet (475)
Amazonite (259)
Amethyst (2866)
Amethyst Geode Slice (69)
Ametrine (166)
Andalusite (191)
Apatite (264)
Aquamarine (96)
Aragonite (24)
Aventurine (130)
Axinite (9)
Beryl (639)
Black Opal (6)
Bloodstone (190)
Boulder Opal (271)
Calcite (71)
Carnelian (21)
Cat's Eye Alexandrite (37)
Cat's Eye Apatite (29)
Cat's Eye Aquamarine (15)
Cat's Eye Beryl (3)
Cat's Eye Moonstone (29)
Cat's Eye Opal (166)
Cat's Eye Scapolite (78)
Cavansite (36)
Chalcedony (203)
Charoite (122)
Chocolate Opal (76)
Chrome Diopside (101)
Chrysoberyl (93)
Chrysoberyl Cat's Eye (55)
Chrysocolla (50)
Cinnabar (77)
Citrine (4362)
Clinohumite (30)
Color-Change Diaspore (834)
Color-Change Fluorite (47)
Color-Change Garnet (190)
Color-Change Sapphire (6)
Coral (253)
Demantoid Garnet (232)
Dendritic Agate (199)
Diamond (611)
Druzy Amethyst (3)
Druzy Azurite (13)
Druzy Citrine (44)
Druzy Variscite (130)
Emerald (1)
Enstatite (3)
Feather Pyrite (43)
Fire Agate (309)
Fire Opal (124)
Fluorite (160)
Fossil Coral (316)
Golden Beryl (142)
Grandidierite (170)
Grossularite Garnet (31)
Hematite (342)
Hemimorphite Druzy (46)
Hessonite Garnet (2137)
Hiddenite (10)
Howlite (133)
Idocrase (19)
Imperial Topaz (12)
Iolite (155)
Jade (68)
Jadeite (264)
Jasper (1332)
Kornerupine (211)
Kunzite (385)
Kyanite (731)
Labradorite (1174)
Lapis Lazuli (2)
Larimar (120)
Lazulite (10)
Lepidolite (27)
Malachite (179)
Malaya Garnet (103)
Mali Garnet (6)
Matrix Opal (16)
Maw-Sit-Sit (117)
Moldavite (5)
Moonstone (946)
Morganite (989)
Moss Agate (56)
Mother of Pearl (10)
Nuummite (115)
Obsidian (204)
Opal (889)
Peanut Wood (10)
Peridot (1413)
Pietersite (652)
Prehnite (790)
Psilomelane Dendrite (23)
Pyrite (6)
Pyrope Garnet (1664)
Quartz (64)
Quartz Cat's Eye (68)
Quartz With Hedenbergite (7)
Quartz With Marcasite (184)
Rainbow Moonstone (912)
Rainbow Pyrite (241)
Rhodochrosite (134)
Rhodolite Garnet (609)
Rhodonite (30)
Rose Quartz (663)
Rubellite Tourmaline (9)
Ruby (4)
Ruby in Fuchsite (90)
Ruby-Zoisite (209)
Rutile Quartz (496)
Sapphire (65)
Scolecite (29)
Seraphinite (41)
Serpentine (71)
Sillimanite (67)
Sillimanite Cat's Eye (376)
Smithsonite (1)
Smoky Quartz (919)
Snowflake Obsidian (21)
Sodalite (19)
Spectrolite (120)
Spessartite Garnet (452)
Sphalerite (345)
Sphene (574)
Spinel (944)
Star Diopside (177)
Star Garnet (112)
Star Moonstone (75)
Star Rose Quartz (22)
Star Ruby (1)
Star Sapphire (14)
Strawberry Quartz (1070)
Sunstone (522)
Tiger's Eye (776)
Tiger's Eye Matrix (274)
Topaz (459)
Tourmaline (2722)
Tsavorite Garnet (175)
Turquoise (90)
Uvarovite Garnet Drusy (80)
Variscite (4)
Zircon (771)
Clear All
ID:
604840
Weight:
4.38ct
Size:
13.5 x 9.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
57.82
Item in Stock
More Options & Item Details
ID:
674618
Weight:
2.85ct
Size:
10.5 x 10 mm
Clarity:
VS
Content:
1 pc
Price:
$
23.94
Item in Stock
More Options & Item Details
ID:
551666
Weight:
3.13ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
28.26
Item in Stock
More Options & Item Details
ID:
685236
Weight:
17.86ct
Size:
15 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
76.51
Item in Stock
More Options & Item Details
ID:
745674
Weight:
23.13ct (total)
Size:
12 x 10 mm (calibrated)
Clarity:
Transparent
Content:
5 pcs
Price:
$
161.91
Item in Stock
More Options & Item Details
ID:
697054
Weight:
51.48ct
Size:
33.9 x 20.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
35.21
Item in Stock
More Options & Item Details
ID:
522781
Weight:
8.86ct
Size:
18.2 x 12.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
70.18
Item in Stock
More Options & Item Details
ID:
558128
Weight:
1.24ct
Size:
6 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
97.61
Item in Stock
More Options & Item Details
ID:
361826
Weight:
23.84ct (total)
Size:
12 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
31.46
Item in Stock
More Options & Item Details
ID:
446020
Weight:
4.72ct
Size:
15 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
34.45
Item in Stock
More Options & Item Details
ID:
623758
Weight:
6.62ct
Size:
20.4 x 8.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
112.37
Item in Stock
More Options & Item Details
ID:
678015
Weight:
0.06ct
Size:
1.9 x 1.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
36.00
Item in Stock
More Options & Item Details
ID:
436811
Weight:
2.87ct (total)
Size:
4.3 mm
Clarity:
VS
Content:
6 pcs
Price:
$
113.65
Item in Stock
More Options & Item Details
ID:
517189
Weight:
1.79ct
Size:
9 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
165.40
Item in Stock
More Options & Item Details
ID:
731031
Weight:
13.82ct (total)
Size:
16.8 x 14.5 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
9.46
Item in Stock
More Options & Item Details
ID:
313685
Weight:
1.93ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VS-SI
Content:
5 pcs
Price:
$
114.65
Item in Stock
More Options & Item Details
ID:
720910
Weight:
1.24ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
10.42
Item in Stock
More Options & Item Details
ID:
376689
Weight:
1.75ct
Size:
9 x 7 mm (calibrated)
Clarity:
Transparent/Translucent
Content:
1 pc
Price:
$
19.78
Item in Stock
More Options & Item Details
ID:
610146
Weight:
10.16ct (total)
Size:
14.8 x 11.1 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
13.42
Item in Stock
More Options & Item Details
ID:
688691
Weight:
1.37ct
Size:
10 x 8 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
7.55
Item in Stock
More Options & Item Details
ID:
636257
Weight:
1.36ct
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
29.92
Item in Stock
More Options & Item Details
ID:
575187
Weight:
1.09ct
Size:
6.5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
115.10
Item in Stock
More Options & Item Details
ID:
662975
Weight:
3.88ct
Size:
12 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
9.31
Item in Stock
More Options & Item Details
ID:
709955
Weight:
0.84ct (total)
Size:
6.1 x 4.2 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
7.06
Item in Stock
More Options & Item Details
ID:
420744
Weight:
12.87ct
Size:
21 x 10 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
101.93
Item in Stock
More Options & Item Details
ID:
481349
Weight:
21.18ct
Size:
24.8 x 20.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
20.98
Item in Stock
More Options & Item Details
ID:
678322
Weight:
6.09ct
Size:
21.6 x 15.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
7.52
Item in Stock
More Options & Item Details
ID:
526767
Weight:
0.75ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
7.92
Item in Stock
More Options & Item Details
ID:
381114
Weight:
1.38ct (total)
Size:
3.7 x 3.6 mm
Clarity:
VS
Content:
4 pcs
Price:
$
35.38
Item in Stock
More Options & Item Details
ID:
418404
Weight:
7.30ct
Size:
14 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
38.54
Item in Stock
More Options & Item Details
ID:
394827
Weight:
7.47ct
Size:
12 x 12 mm (calibrated)
Clarity:
VVS-VS
Price:
$
49.31
Item in Stock
More Options & Item Details
ID:
656056
Weight:
3.07ct
Size:
15.2 x 7.2 mm
Clarity:
VVS
Content:
1 pc
Price:
$
25.79
Item in Stock
More Options & Item Details
ID:
464307
Weight:
4.50ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
41.58
Item in Stock
More Options & Item Details
ID:
524588
Weight:
1.19ct
Size:
6.3 x 5.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
157.08
Item in Stock
More Options & Item Details
ID:
367183
Weight:
7.20ct
Size:
13.9 x 9.6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
48.95
Item in Stock
More Options & Item Details
ID:
696213
Weight:
68.44ct
Size:
55.5 x 19.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
46.81
Item in Stock
More Options & Item Details
ID:
732462
Weight:
11.55ct
Size:
16.7 x 11 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
415.80
Item in Stock
More Options & Item Details
ID:
427977
Weight:
15.19ct
Size:
18 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
70.18
Item in Stock
More Options & Item Details
ID:
458547
Weight:
0.96ct (total)
Size:
5 x 4.2 mm
Clarity:
VS
Content:
2 pcs
Price:
$
189.50
Item in Stock
More Options & Item Details
ID:
600443
Weight:
29.14ct
Size:
28.8 x 20.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
21.92
Item in Stock
More Options & Item Details
ID:
440667
Weight:
2.64ct (total)
Size:
5.5 x 4.5 mm
Clarity:
VS
Content:
4 pcs
Price:
$
69.70
Item in Stock
More Options & Item Details
ID:
481129
Weight:
35.02ct
Size:
31.5 x 22.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
34.68
Item in Stock
More Options & Item Details
ID:
514170
Weight:
8.68ct
Size:
12.5 x 12.5 mm
Clarity:
VVS
Content:
1 pc
Price:
$
19.49
Item in Stock
More Options & Item Details
ID:
438675
Weight:
1.69ct
Size:
6.5 mm (calibrated)
Clarity:
VVS
Price:
$
44.62
Item in Stock
More Options & Item Details
ID:
662666
Weight:
17.01ct (total)
Size:
21 x 13.5 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
12.05
Item in Stock
More Options & Item Details
ID:
630312
Weight:
20.28ct
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
107.32
Item in Stock
More Options & Item Details
ID:
486830
Weight:
31.54ct
Size:
31.3 x 20.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
20.82
Item in Stock
More Options & Item Details
ID:
400169
Weight:
6.28ct (total)
Size:
9 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
20.72
Item in Stock
More Options & Item Details
ID:
557208
Weight:
3.28ct (total)
Size:
7 x 7 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
27.46
Item in Stock
More Options & Item Details
ID:
740718
Weight:
1.53ct
Size:
10 x 8 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
122.40
Item in Stock
More Options & Item Details
ID:
686507
Weight:
0.68ct
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
14.69
Item in Stock
More Options & Item Details
ID:
530594
Weight:
3.57ct
Size:
9 x 9 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
32.99
Item in Stock
More Options & Item Details
ID:
497257
Weight:
2.53ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
23.38
Item in Stock
More Options & Item Details
ID:
408823
Weight:
10.08ct
Size:
15 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
42.34
Item in Stock
More Options & Item Details
ID:
624272
Weight:
1.57ct
Size:
7 x 6.1 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
10.37
Item in Stock
More Options & Item Details
ID:
694188
Weight:
0.72ct
Size:
8.8 x 3.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
21.60
Item in Stock
More Options & Item Details
ID:
712024
Weight:
6.39ct
Size:
14 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
17.03
Item in Stock
More Options & Item Details
ID:
656276
Weight:
1.90ct
Size:
8 x 8 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
2.96
Item in Stock
More Options & Item Details
ID:
733156
Weight:
3.40ct
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
30.72
Item in Stock
More Options & Item Details
ID:
729885
Weight:
5.40ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
48.34
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
Very large selection from affordable to high end I will be coming back to shop again!
Posted By GreenGator in August, 2025
Source: Bizrate
Overall Rating -> 10
Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.
Posted By Sina in April, 2025
Source: Bizrate
Overall Rating -> 9
I did not have any problems
Posted By Clilrichard in January, 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
All good
Posted By DouscheGift in August, 2025
Source: Bizrate
Overall Rating -> 10
I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.
Posted By Tim in March, 2025
Source: Bizrate
Overall Rating -> 9
I love the gems!
Posted By MM in April, 2025
Source: Bizrate
Overall Rating -> 9
the gems were smaller than I thought but I was at fault for not reading the complete discrimination
Posted By Tim in May, 2025
Source: Bizrate
Overall Rating -> 10
Absolutely love the website, selection and products. Can you guys add a gemstones with inclusions tab. I like those it'd be nice to have them all in one place but i do understand it would be alot of work to go through and categorize them. Thank you anyways
Posted By The homie edgar in December, 2025
Source: Bizrate