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:
431435
Weight:
1.37ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
14.46
Item in Stock
More Options & Item Details
ID:
664885
Weight:
1.10ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
11.88
Item in Stock
More Options & Item Details
ID:
644402
Weight:
3.53ct (total)
Size:
8.5 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
19.79
Item in Stock
More Options & Item Details
ID:
721814
Weight:
7.56ct
Size:
25.9 x 9.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
27.22
Item in Stock
More Options & Item Details
ID:
530088
Weight:
1.20ct
Size:
7.5 x 4.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
104.54
Item in Stock
More Options & Item Details
ID:
688015
Weight:
5.86ct
Size:
11 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
17.16
Item in Stock
More Options & Item Details
ID:
710498
Weight:
6.02ct
Size:
12 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
3.97
Item in Stock
More Options & Item Details
ID:
727205
Weight:
0.64ct
Size:
6 x 4 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
11.52
Item in Stock
More Options & Item Details
ID:
721559
Weight:
14.35ct
Size:
25.3 x 13.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
51.66
Item in Stock
More Options & Item Details
ID:
700202
Weight:
0.73ct
Size:
5.7 x 4.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
31.45
Item in Stock
More Options & Item Details
ID:
668012
Weight:
10.04ct
Size:
15.6 x 12.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
60.24
Item in Stock
More Options & Item Details
ID:
735808
Weight:
44.94ct
Size:
40 x 25.3 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
37.21
Item in Stock
More Options & Item Details
ID:
699799
Weight:
1.08ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
10.37
Item in Stock
More Options & Item Details
ID:
464465
Weight:
4.13ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
38.16
Item in Stock
More Options & Item Details
ID:
594181
Weight:
0.95ct
Size:
5.3 x 5.1 mm
Clarity:
SI
Content:
1 pc
Price:
$
22.57
Item in Stock
More Options & Item Details
ID:
694244
Weight:
1.08ct
Size:
14.6 x 3.4 mm
Clarity:
VVS
Content:
1 pc
Price:
$
32.40
Item in Stock
More Options & Item Details
ID:
701568
Weight:
8.51ct
Size:
24.7 x 6.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
51.06
Item in Stock
More Options & Item Details
ID:
568494
Weight:
3.51ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
30.62
Item in Stock
More Options & Item Details
ID:
673684
Weight:
2.93ct
Size:
12 x 8 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
42.17
Item in Stock
More Options & Item Details
ID:
436602
Weight:
2.72ct
Size:
10 x 7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
8.83
Item in Stock
More Options & Item Details
ID:
520644
Weight:
1.14ct
Size:
9 x 4.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
63.20
Item in Stock
More Options & Item Details
ID:
720885
Weight:
1.21ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
10.16
Item in Stock
More Options & Item Details
ID:
735010
Weight:
11.38ct (total)
Size:
11 x 9 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
68.28
Item in Stock
More Options & Item Details
ID:
367119
Weight:
1.13ct
Size:
7.1 x 5.9 mm
Clarity:
VVS
Content:
1 pc
Price:
$
157.55
Item in Stock
More Options & Item Details
ID:
456282
Weight:
3.24ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
29.94
Item in Stock
More Options & Item Details
ID:
560854
Weight:
1.88ct
Size:
8.5 x 5.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
163.79
Item in Stock
More Options & Item Details
ID:
485601
Weight:
26.88ct (total)
Size:
14 x 14 mm (calibrated)
Clarity:
Translucent
Content:
4 pcs
Price:
$
35.48
Item in Stock
More Options & Item Details
ID:
608307
Weight:
2.34ct (total)
Size:
7 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
43.25
Item in Stock
More Options & Item Details
ID:
511250
Weight:
0.79ct
Size:
10.2 x 4.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
46.93
Item in Stock
More Options & Item Details
ID:
696454
Weight:
37.31ct
Size:
35.8 x 11.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
4.48
Item in Stock
More Options & Item Details
ID:
346279
Weight:
2.57ct (total)
Size:
2.3 x 2.2 mm
Clarity:
VVS-VS
Content:
30 pcs
Price:
$
288.36
Item in Stock
More Options & Item Details
ID:
620760
Weight:
2.06ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
SI
Content:
2 pcs
Price:
$
46.97
Item in Stock
More Options & Item Details
ID:
454455
Weight:
1.30ct
Size:
12.8 x 3.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
54.91
Item in Stock
More Options & Item Details
ID:
650869
Weight:
3.78ct
Size:
12 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
24.04
Item in Stock
More Options & Item Details
ID:
554048
Weight:
1.56ct
Size:
7.4 x 5.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
37.44
Item in Stock
More Options & Item Details
ID:
639581
Weight:
0.33ct
Size:
5.3 x 3.7 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
34.06
Item in Stock
More Options & Item Details
ID:
735041
Weight:
0.12ct
Size:
3.4 x 2.5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
100.80
Item in Stock
More Options & Item Details
ID:
631684
Weight:
1.08ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
32.40
Item in Stock
More Options & Item Details
ID:
725626
Weight:
1.35ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
53.47
Item in Stock
More Options & Item Details
ID:
678019
Weight:
0.32ct
Size:
3.3 x 3.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
160.00
Item in Stock
More Options & Item Details
ID:
720251
Weight:
0.86ct
Size:
5.9 x 5.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
123.84
Item in Stock
More Options & Item Details
ID:
720970
Weight:
0.57ct
Size:
8 x 4 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
10.26
Item in Stock
More Options & Item Details
ID:
742079
Weight:
2.81ct
Size:
12 x 8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
28.10
Item in Stock
More Options & Item Details
ID:
626614
Weight:
0.95ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
8.78
Item in Stock
More Options & Item Details
ID:
314198
Weight:
35.16ct
Size:
22.2 x 18.2 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
55.69
Item in Stock
More Options & Item Details
ID:
695148
Weight:
10.69ct
Size:
24.3 x 13.6 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
10.69
Item in Stock
More Options & Item Details
ID:
716413
Weight:
2.81ct
Size:
10 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
26.98
Item in Stock
More Options & Item Details
ID:
614800
Weight:
1.26ct
Size:
8 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
38.81
Item in Stock
More Options & Item Details
ID:
545047
Weight:
3.64ct (total)
Size:
7.5 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
13.10
Item in Stock
More Options & Item Details
ID:
447355
Weight:
38.93ct (total)
Size:
14 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
77.09
Item in Stock
More Options & Item Details
ID:
443286
Weight:
5.34ct
Size:
11 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
17.56
Item in Stock
More Options & Item Details
ID:
621019
Weight:
21.21ct (total)
Size:
22.1 x 16.1 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
50.90
Item in Stock
More Options & Item Details
ID:
719971
Weight:
0.73ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
6.13
Item in Stock
More Options & Item Details
ID:
663467
Weight:
0.94ct
Size:
5.9 x 5.8 mm
Clarity:
VS
Price:
$
7.90
Item in Stock
More Options & Item Details
Select
1
2
3
4
5
6
7
pcs 0 in Cart
ID:
669872
Weight:
48.21ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
144.64
Item in Stock
More Options & Item Details
ID:
683069
Weight:
7.87ct
Size:
16.5 x 7.1 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
75.55
Item in Stock
More Options & Item Details
ID:
716390
Weight:
0.71ct
Size:
9 x 4.6 mm
Clarity:
VVS
Content:
1 pc
Price:
$
45.16
Item in Stock
More Options & Item Details
ID:
649886
Weight:
1.77ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
14.87
Item in Stock
More Options & Item Details
ID:
672220
Weight:
5.22ct
Size:
11 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
12.53
Item in Stock
More Options & Item Details
ID:
450950
Weight:
2.80ct (total)
Size:
4.9 x 4.8 mm
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
25.87
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 have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well
Posted By Marti in July, 2025
Source: Bizrate
Overall Rating -> 9
I love the gems!
Posted By MM in April, 2025
Source: Bizrate
Overall Rating -> 10
The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.
Posted By Jen in December, 2025
Source: Bizrate
Overall Rating -> 10
Love, and have always loved, your website.
Posted By Aberabic in July, 2025
Source: Bizrate
Overall Rating -> 10
The site provided lots of detail, factual data, and good photos. I also like the availability of searching by price range as well as by the type of stone.
Posted By SLIntuitive Donna in July, 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
Overall Rating -> 8
everything was fine
Posted By Marc in January, 2025
Source: Bizrate
Overall Rating -> 10
My whole experience is great.
Posted By Ghs in November, 2025
Source: Bizrate
Overall Rating -> 10
I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!
Posted By Geof in November, 2025
Source: Bizrate