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:
540035
Weight:
0.94ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
9.92
Item in Stock
More Options & Item Details
ID:
478675
Weight:
0.85ct
Size:
9.7 x 4.3 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
35.94
Item in Stock
More Options & Item Details
ID:
632408
Weight:
2.67ct
Size:
18.1 x 7.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
19.22
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:
682108
Weight:
12.68ct
Size:
14 x 14 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
76.08
Item in Stock
More Options & Item Details
ID:
481638
Weight:
22.55ct
Size:
19 x 17 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
32.45
Item in Stock
More Options & Item Details
ID:
712335
Weight:
3.83ct
Size:
12 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
10.20
Item in Stock
More Options & Item Details
ID:
548534
Weight:
1.19ct (total)
Size:
6.9 x 5.2 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
357.00
Item in Stock
More Options & Item Details
ID:
491816
Weight:
4.02ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
Opaque
Content:
5 pcs
Price:
$
11.77
Item in Stock
More Options & Item Details
ID:
612068
Weight:
2.39ct (total)
Size:
7 x 6 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
56.40
Item in Stock
More Options & Item Details
ID:
720349
Weight:
1.20ct
Size:
6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
115.50
Item in Stock
More Options & Item Details
ID:
486984
Weight:
36.39ct
Size:
32.6 x 22.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
24.02
Item in Stock
More Options & Item Details
ID:
306191
Weight:
6.65ct
Size:
16.4 x 9 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
30.73
Item in Stock
More Options & Item Details
ID:
389619
Weight:
2.36ct (total)
Size:
7.2 x 6.4 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
15.58
Item in Stock
More Options & Item Details
ID:
345950
Weight:
17.49ct
Size:
16.8 x 15 mm
Clarity:
Transparent/Translucent
Content:
1 pc
Price:
$
30.01
Item in Stock
More Options & Item Details
ID:
722662
Weight:
16.83ct
Size:
20.5 x 14 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
141.37
Item in Stock
More Options & Item Details
ID:
725457
Weight:
10.85ct
Size:
14.6 x 12.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
12.37
Item in Stock
More Options & Item Details
ID:
367828
Weight:
5.40ct
Size:
12.3 x 8.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
36.42
Item in Stock
More Options & Item Details
ID:
533859
Weight:
3.63ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
33.54
Item in Stock
More Options & Item Details
ID:
491754
Weight:
80.40ct (total)
Size:
24.8 x 19.5 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
94.46
Item in Stock
More Options & Item Details
ID:
710444
Weight:
1.61ct
Size:
7.2 x 5.5 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
28.85
Item in Stock
More Options & Item Details
ID:
553602
Weight:
6.90ct (total)
Size:
9 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
36.43
Item in Stock
More Options & Item Details
ID:
501523
Weight:
16.91ct
Size:
21.3 x 16.1 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
70.98
Item in Stock
More Options & Item Details
ID:
449424
Weight:
1.96ct
Size:
16.2 x 4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
77.62
Item in Stock
More Options & Item Details
ID:
522794
Weight:
17.30ct
Size:
32 x 8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
12.56
Item in Stock
More Options & Item Details
ID:
650710
Weight:
15.06ct
Size:
23.9 x 16.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
9.04
Item in Stock
More Options & Item Details
ID:
473057
Weight:
7.37ct
Size:
13.3 x 11.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
66.05
Item in Stock
More Options & Item Details
ID:
710780
Weight:
24.30ct
Size:
22.6 x 17.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
43.74
Item in Stock
More Options & Item Details
ID:
651836
Weight:
5.47ct
Size:
17.3 x 8.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
17.00
Item in Stock
More Options & Item Details
ID:
725451
Weight:
9.99ct
Size:
12 x 12 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
11.39
Item in Stock
More Options & Item Details
ID:
713431
Weight:
16.89ct
Size:
20 x 15 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
141.88
Item in Stock
More Options & Item Details
ID:
646545
Weight:
0.55ct (total)
Size:
3.5 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
16.50
Item in Stock
More Options & Item Details
ID:
433887
Weight:
45.87ct
Size:
35 x 25.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
60.55
Item in Stock
More Options & Item Details
ID:
586312
Weight:
23.52ct (total)
Size:
24.2 x 12.5 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
65.51
Item in Stock
More Options & Item Details
ID:
389844
Weight:
2.46ct (total)
Size:
2.5 mm (calibrated)
Clarity:
VS-SI
Content:
40 pcs
Price:
$
230.20
Item in Stock
More Options & Item Details
ID:
663119
Weight:
1.09ct
Size:
6.2 x 5.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
6.54
Item in Stock
More Options & Item Details
ID:
377504
Weight:
3.77ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
96.60
Item in Stock
More Options & Item Details
ID:
326291
Weight:
3.38ct
Size:
9.6 x 8.3 mm
Clarity:
Transparent/Translucent
Content:
1 pc
Price:
$
12.05
Item in Stock
More Options & Item Details
ID:
648466
Weight:
2.37ct (total)
Size:
7 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
19.91
Item in Stock
More Options & Item Details
ID:
438682
Weight:
1.63ct
Size:
6.5 mm (calibrated)
Clarity:
VS
Price:
$
43.03
Item in Stock
More Options & Item Details
ID:
650498
Weight:
9.58ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
6.78
Item in Stock
More Options & Item Details
ID:
397492
Weight:
1.04ct
Size:
7.4 x 5 mm
Clarity:
VVS
Content:
1 pc
Price:
$
65.47
Item in Stock
More Options & Item Details
ID:
265571
Weight:
0.96ct (total)
Size:
3.5 mm (calibrated)
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
172.01
Item in Stock
More Options & Item Details
ID:
679957
Weight:
16.36ct
Size:
18.3 x 15.3 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
157.06
Item in Stock
More Options & Item Details
ID:
696205
Weight:
44.79ct
Size:
39.7 x 16 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
30.64
Item in Stock
More Options & Item Details
ID:
403852
Weight:
8.48ct
Size:
13 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
44.77
Item in Stock
More Options & Item Details
ID:
473785
Weight:
0.98ct
Size:
10.1 x 5.2 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
71.15
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:
491501
Weight:
48.20ct
Size:
35 x 24.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
85.26
Item in Stock
More Options & Item Details
ID:
436075
Weight:
5.01ct
Size:
16 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
16.26
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:
691922
Weight:
0.75ct
Size:
5.4 x 5.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
52.50
Item in Stock
More Options & Item Details
ID:
650897
Weight:
1.61ct
Size:
8 x 7.5 mm
Clarity:
VVS
Content:
1 pc
Price:
$
13.52
Item in Stock
More Options & Item Details
ID:
455515
Weight:
25.76ct (total)
Size:
19.3 x 13 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
34.01
Item in Stock
More Options & Item Details
ID:
708840
Weight:
1.39ct
Size:
7.2 x 5.5 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
28.70
Item in Stock
More Options & Item Details
ID:
648958
Weight:
1.26ct (total)
Size:
8 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
12.10
Item in Stock
More Options & Item Details
ID:
348252
Weight:
34.07ct
Size:
31.8 x 27.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
44.98
Item in Stock
More Options & Item Details
ID:
695906
Weight:
6.53ct
Size:
10.7 x 9.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
195.90
Item in Stock
More Options & Item Details
ID:
565358
Weight:
2.13ct
Size:
7.7 x 5.6 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
48.47
Item in Stock
More Options & Item Details
ID:
622789
Weight:
5.15ct
Size:
11 x 11 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
25.43
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
Great site for finding specific stones and sizes for individual pieces of jewelry
Posted By Designer in December, 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 -> 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
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
Overall Rating -> 10
easy site to navigate
Posted By Curt's Cabochons in June, 2025
Source: Bizrate
Overall Rating -> 9
If you have motion picture, then I will be more satisfied with.
Posted By Ray in November, 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 -> 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
So far So good
Posted By VH-1 in July, 2025
Source: Bizrate