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 (163)
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 (36)
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 (4)
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 (987)
Moss Agate (56)
Mother of Pearl (10)
Nuummite (115)
Obsidian (202)
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 (607)
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 (942)
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 (2718)
Tsavorite Garnet (175)
Turquoise (90)
Uvarovite Garnet Drusy (80)
Variscite (4)
Zircon (771)
Clear All
ID:
370455
Weight:
13.80ct
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
27.32
Item in Stock
More Options & Item Details
ID:
454618
Weight:
5.97ct
Size:
15.5 x 11.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
10.01
Item in Stock
More Options & Item Details
ID:
662739
Weight:
1.58ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
37.92
Item in Stock
More Options & Item Details
ID:
548164
Weight:
1.88ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
38.10
Item in Stock
More Options & Item Details
ID:
694401
Weight:
16.45ct
Size:
16 x 16 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
138.18
Item in Stock
More Options & Item Details
ID:
479406
Weight:
2.44ct (total)
Size:
10 x 5.1 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
25.76
Item in Stock
More Options & Item Details
ID:
488365
Weight:
53.24ct
Size:
44.4 x 24.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
39.35
Item in Stock
More Options & Item Details
ID:
531241
Weight:
3.39ct
Size:
9 x 9 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
31.32
Item in Stock
More Options & Item Details
ID:
338843
Weight:
1.35ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
Transparent
Content:
4 pcs
Price:
$
30.30
Item in Stock
More Options & Item Details
ID:
719614
Weight:
0.79ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
6.64
Item in Stock
More Options & Item Details
ID:
334056
Weight:
15.33ct
Size:
19.1 x 15.8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
68.80
Item in Stock
More Options & Item Details
ID:
451319
Weight:
1.33ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
12.29
Item in Stock
More Options & Item Details
ID:
710418
Weight:
2.69ct
Size:
10 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
22.60
Item in Stock
More Options & Item Details
ID:
674834
Weight:
13.77ct
Size:
25.9 x 22.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
23.14
Item in Stock
More Options & Item Details
ID:
367733
Weight:
5.07ct
Size:
14.2 x 7.9 mm
Clarity:
VVS
Content:
1 pc
Price:
$
34.20
Item in Stock
More Options & Item Details
ID:
697704
Weight:
0.35ct
Size:
3.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
7.56
Item in Stock
More Options & Item Details
ID:
501477
Weight:
11.01ct
Size:
19 x 14.1 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
46.21
Item in Stock
More Options & Item Details
ID:
704993
Weight:
31.56ct
Size:
40.2 x 10.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
7.57
Item in Stock
More Options & Item Details
ID:
499221
Weight:
1.80ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
32.32
Item in Stock
More Options & Item Details
ID:
477785
Weight:
4.88ct
Size:
14 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
34.27
Item in Stock
More Options & Item Details
ID:
634876
Weight:
1.05ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
18.90
Item in Stock
More Options & Item Details
ID:
596472
Weight:
20.00ct
Size:
21.4 x 14.9 mm
Clarity:
VVS
Content:
1 pc
Price:
$
176.35
Item in Stock
More Options & Item Details
ID:
730462
Weight:
2.69ct
Size:
11.3 x 6 mm
Clarity:
VS
Content:
1 pc
Price:
$
161.40
Item in Stock
More Options & Item Details
ID:
387131
Weight:
5.19ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
41.10
Item in Stock
More Options & Item Details
ID:
418633
Weight:
26.26ct (total)
Size:
15.7 x 10.2 mm
Clarity:
Translucent
Content:
5 pcs
Price:
$
52.00
Item in Stock
More Options & Item Details
ID:
693965
Weight:
2.52ct
Size:
12 x 8 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
9.07
Item in Stock
More Options & Item Details
ID:
711509
Weight:
1.54ct
Size:
7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
30.76
Item in Stock
More Options & Item Details
ID:
500683
Weight:
73.83ct
Size:
24.6 x 23.1 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
146.20
Item in Stock
More Options & Item Details
ID:
495454
Weight:
18.93ct (total)
Size:
19.4 x 12 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
24.53
Item in Stock
More Options & Item Details
ID:
520038
Weight:
4.17ct
Size:
12 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
30.66
Item in Stock
More Options & Item Details
ID:
736702
Weight:
1.51ct
Size:
9.5 x 7.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
10.57
Item in Stock
More Options & Item Details
ID:
713397
Weight:
15.67ct
Size:
18 x 13 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
131.63
Item in Stock
More Options & Item Details
ID:
481398
Weight:
1.56ct
Size:
6.5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
44.83
Item in Stock
More Options & Item Details
ID:
389898
Weight:
0.96ct
Size:
9.1 x 5 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
62.20
Item in Stock
More Options & Item Details
ID:
618118
Weight:
0.88ct
Size:
6 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
37.93
Item in Stock
More Options & Item Details
ID:
719358
Weight:
0.84ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
7.06
Item in Stock
More Options & Item Details
ID:
584681
Weight:
18.01ct (total)
Size:
20.4 x 13.7 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
13.08
Item in Stock
More Options & Item Details
ID:
713701
Weight:
15.91ct
Size:
18 x 13 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
133.64
Item in Stock
More Options & Item Details
ID:
714116
Weight:
0.51ct
Size:
4.3 mm
Clarity:
SI
Content:
1 pc
Price:
$
15.30
Item in Stock
More Options & Item Details
ID:
366485
Weight:
1.18ct
Size:
8.4 x 6.2 mm
Clarity:
VVS
Content:
1 pc
Price:
$
165.68
Item in Stock
More Options & Item Details
ID:
450084
Weight:
19.28ct (total)
Size:
19.7 x 11.9 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
50.90
Item in Stock
More Options & Item Details
ID:
519117
Weight:
30.78ct
Size:
23.2 x 17.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
36.16
Item in Stock
More Options & Item Details
ID:
636559
Weight:
0.83ct
Size:
7.7 x 5.7 mm
Clarity:
VVS
Content:
1 pc
Price:
$
43.82
Item in Stock
More Options & Item Details
ID:
571539
Weight:
19.64ct
Size:
18.6 x 15.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
155.54
Item in Stock
More Options & Item Details
ID:
645478
Weight:
24.90ct
Size:
23.8 x 15 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
123.11
Item in Stock
More Options & Item Details
ID:
626577
Weight:
10.43ct
Size:
20.1 x 13.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
96.37
Item in Stock
More Options & Item Details
ID:
737065
Weight:
30.77ct
Size:
27 x 20 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
28.92
Item in Stock
More Options & Item Details
ID:
730306
Weight:
32.34ct
Size:
28.5 x 19.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
31.04
Item in Stock
More Options & Item Details
ID:
341425
Weight:
7.55ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
10 pcs
Price:
$
72.29
Item in Stock
More Options & Item Details
ID:
552534
Weight:
1.01ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
9.34
Item in Stock
More Options & Item Details
ID:
701521
Weight:
38.66ct
Size:
18.6 x 16.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
231.96
Item in Stock
More Options & Item Details
ID:
381883
Weight:
3.23ct (total)
Size:
3.5 mm (calibrated)
Clarity:
VS
Content:
20 pcs
Price:
$
170.93
Item in Stock
More Options & Item Details
ID:
381925
Weight:
3.79ct (total)
Size:
3.5 mm (calibrated)
Clarity:
VS
Content:
20 pcs
Price:
$
182.33
Item in Stock
More Options & Item Details
ID:
695057
Weight:
0.40ct
Size:
5 x 4 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
14.40
Item in Stock
More Options & Item Details
ID:
474701
Weight:
1.88ct
Size:
8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
17.38
Item in Stock
More Options & Item Details
ID:
482177
Weight:
2.10ct
Size:
8.5 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
15.14
Item in Stock
More Options & Item Details
ID:
713786
Weight:
0.93ct
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
7.81
Item in Stock
More Options & Item Details
ID:
678048
Weight:
0.13ct (total)
Size:
2.2 x 2.1 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
78.00
Item in Stock
More Options & Item Details
ID:
395333
Weight:
11.85ct
Size:
14 x 14 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
78.22
Item in Stock
More Options & Item Details
ID:
678119
Weight:
5.40ct
Size:
22.9 x 10.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
6.67
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
love these guys been ordering since 2000 maybe
Posted By JHT in April, 2025
Source: Bizrate
Overall Rating -> 10
Loved everything. High quality, quick shipping, and authentication included.
Posted By Chris in March, 2025
Source: Bizrate
Overall Rating -> 10
I would recommend gem select yo everyone
Fast service and no problems
Posted By Steve in March, 2025
Source: Bizrate
Overall Rating -> 10
the selection is good as are the prices
Posted By Old man in August, 2025
Source: Bizrate
Overall Rating -> 10
Site is easy to navigate and the variety is great and how often new products are added is also great.
Posted By Jhidron in March, 2025
Source: Bizrate
Overall Rating -> 10
Great selection. Maybe too great i kept adding and deleting stuff because i found better looking ones
Posted By Edsor works in October, 2025
Source: Bizrate
Overall Rating -> 10
Great for buying gemstones, came with authenticity certs. Will buy again someday!
Posted By Uggadugga in May, 2025
Source: Bizrate
Overall Rating -> 10
I was able to find what I was looking for
Posted By Lincolnpremier in January, 2025
Source: Bizrate
Overall Rating -> 10
All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.
Posted By Bob D in December, 2025
Source: Bizrate