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:
564791
Weight:
0.17ct
Size:
3.5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
77.36
Item in Stock
More Options & Item Details
ID:
634899
Weight:
0.91ct
Size:
6 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
24.02
Item in Stock
More Options & Item Details
ID:
461125
Weight:
6.63ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
61.26
Item in Stock
More Options & Item Details
ID:
664507
Weight:
2.64ct
Size:
10 x 7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
12.67
Item in Stock
More Options & Item Details
ID:
463349
Weight:
5.25ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
41.58
Item in Stock
More Options & Item Details
ID:
662722
Weight:
11.48ct (total)
Size:
16.9 x 11.6 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
8.12
Item in Stock
More Options & Item Details
ID:
389966
Weight:
0.83ct
Size:
6.7 x 4.1 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
35.86
Item in Stock
More Options & Item Details
ID:
491189
Weight:
7.57ct
Size:
19.9 x 10.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
22.28
Item in Stock
More Options & Item Details
ID:
480927
Weight:
3.60ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VS
Content:
6 pcs
Price:
$
33.26
Item in Stock
More Options & Item Details
ID:
722780
Weight:
0.99ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
29.70
Item in Stock
More Options & Item Details
ID:
453804
Weight:
3.51ct
Size:
12.1 x 8.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
32.44
Item in Stock
More Options & Item Details
ID:
545705
Weight:
2.39ct
Size:
8.8 x 6.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
217.68
Item in Stock
More Options & Item Details
ID:
518704
Weight:
2.87ct
Size:
9 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
18.95
Item in Stock
More Options & Item Details
ID:
715725
Weight:
1.47ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
14.11
Item in Stock
More Options & Item Details
ID:
390051
Weight:
2.84ct (total)
Size:
2.5 mm (calibrated)
Clarity:
VS-SI
Content:
40 pcs
Price:
$
265.75
Item in Stock
More Options & Item Details
ID:
392664
Weight:
10.88ct (total)
Size:
14 x 10 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
71.81
Item in Stock
More Options & Item Details
ID:
516345
Weight:
1.27ct
Size:
6.8 x 5.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
120.71
Item in Stock
More Options & Item Details
ID:
728172
Weight:
0.05ct
Size:
2.3 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
20.62
Item in Stock
More Options & Item Details
ID:
401921
Weight:
0.76ct
Size:
6.1 x 4.7 mm
Clarity:
VVS
Content:
1 pc
Price:
$
85.75
Item in Stock
More Options & Item Details
ID:
449668
Weight:
4.67ct (total)
Size:
9 x 6 mm (calibrated)
Clarity:
Transparent
Content:
3 pcs
Price:
$
30.83
Item in Stock
More Options & Item Details
ID:
610350
Weight:
22.13ct (total)
Size:
21.6 x 17.6 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
29.21
Item in Stock
More Options & Item Details
ID:
490605
Weight:
3.58ct (total)
Size:
6 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
42.14
Item in Stock
More Options & Item Details
ID:
673250
Weight:
10.63ct (total)
Size:
20.2 x 11.7 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
29.98
Item in Stock
More Options & Item Details
ID:
710344
Weight:
2.75ct
Size:
10 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
23.10
Item in Stock
More Options & Item Details
ID:
320982
Weight:
4.35ct
Size:
12 x 8 mm (calibrated)
Clarity:
Transparent/Translucent
Content:
1 pc
Price:
$
11.48
Item in Stock
More Options & Item Details
ID:
741099
Weight:
1.77ct
Size:
8.6 x 6.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
222.63
Item in Stock
More Options & Item Details
ID:
449609
Weight:
4.24ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
27.98
Item in Stock
More Options & Item Details
ID:
733049
Weight:
0.59ct
Size:
6.2 x 4.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
24.78
Item in Stock
More Options & Item Details
ID:
595046
Weight:
17.95ct
Size:
18.4 x 17.8 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
71.09
Item in Stock
More Options & Item Details
ID:
694008
Weight:
19.87ct
Size:
19.2 x 18.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
59.62
Item in Stock
More Options & Item Details
ID:
585102
Weight:
2.60ct (total)
Size:
10.2 x 4.2 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
17.16
Item in Stock
More Options & Item Details
ID:
473878
Weight:
0.79ct
Size:
6.8 x 4.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
57.36
Item in Stock
More Options & Item Details
ID:
391836
Weight:
26.49ct
Size:
20.8 x 16 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
69.94
Item in Stock
More Options & Item Details
ID:
540034
Weight:
0.84ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
8.87
Item in Stock
More Options & Item Details
ID:
548017
Weight:
1.34ct
Size:
6 x 6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
27.16
Item in Stock
More Options & Item Details
ID:
639103
Weight:
1.00ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
8.40
Item in Stock
More Options & Item Details
ID:
727093
Weight:
0.95ct
Size:
9.4 x 4.7 mm
Clarity:
VVS
Content:
1 pc
Price:
$
57.00
Item in Stock
More Options & Item Details
ID:
645536
Weight:
6.70ct
Size:
14 x 12 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
33.12
Item in Stock
More Options & Item Details
ID:
585370
Weight:
11.47ct
Size:
15.2 x 14.2 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
108.41
Item in Stock
More Options & Item Details
ID:
723580
Weight:
1.61ct
Size:
8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
15.46
Item in Stock
More Options & Item Details
ID:
557678
Weight:
1.53ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
4.04
Item in Stock
More Options & Item Details
ID:
445963
Weight:
5.63ct
Size:
14 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
14.94
Item in Stock
More Options & Item Details
ID:
472683
Weight:
10.30ct
Size:
20.1 x 11.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
14.28
Item in Stock
More Options & Item Details
ID:
572936
Weight:
1.05ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
27.72
Item in Stock
More Options & Item Details
ID:
465504
Weight:
4.12ct
Size:
15 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
36.06
Item in Stock
More Options & Item Details
ID:
572429
Weight:
11.99ct (total)
Size:
15.1 x 11 mm
Clarity:
VVS
Content:
2 pcs
Price:
$
47.48
Item in Stock
More Options & Item Details
ID:
520008
Weight:
0.98ct
Size:
8.5 x 5.9 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
82.32
Item in Stock
More Options & Item Details
ID:
485185
Weight:
16.68ct
Size:
19.8 x 19.8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
44.04
Item in Stock
More Options & Item Details
ID:
454479
Weight:
0.87ct
Size:
10.4 x 4.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
36.74
Item in Stock
More Options & Item Details
ID:
684426
Weight:
avg. 0.55 ct / each
Size:
5 x 4 mm (calibrated)
Clarity:
VS
Price:
$
16.35
Item in Stock
More Options & Item Details
Select
1
2
3
4
5
6
7
8
9
10
pcs
ID:
613472
Weight:
0.84ct
Size:
6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
27.72
Item in Stock
More Options & Item Details
ID:
707106
Weight:
2.19ct
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
5.26
Item in Stock
More Options & Item Details
ID:
435663
Weight:
2.48ct
Size:
10 x 8 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
16.37
Item in Stock
More Options & Item Details
ID:
724700
Weight:
0.17ct
Size:
3.2 x 3.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
23.80
Item in Stock
More Options & Item Details
ID:
603060
Weight:
2.90ct
Size:
9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
38.28
Item in Stock
More Options & Item Details
ID:
376829
Weight:
3.79ct
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent/Translucent
Price:
$
31.84
Item in Stock
More Options & Item Details
ID:
613043
Weight:
0.44ct
Size:
5 x 3.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
16.37
Item in Stock
More Options & Item Details
ID:
737565
Weight:
1.99ct
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
11.94
Item in Stock
More Options & Item Details
ID:
501052
Weight:
2.58ct
Size:
13 x 8.5 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
7.93
Item in Stock
More Options & Item Details
ID:
660356
Weight:
1.34ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
32.16
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 -> 8
I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.
Posted By Atsu in December, 2025
Source: Bizrate
Overall Rating -> 8
Good prices
Posted By TRM in October, 2025
Source: Bizrate
Overall Rating -> 10
Very food
Posted By Keeto in July, 2025
Source: Bizrate
Overall Rating -> 10
Enjoyed shopping.
Posted By Chris in March, 2025
Source: Bizrate
Overall Rating -> 10
I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring
Posted By Desertchick in April, 2025
Source: Bizrate
Overall Rating -> 10
Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.
Posted By Sal in July, 2025
Source: Bizrate
Overall Rating -> 10
Great experience. I can't wait to explore on the website further.
Posted By Kymmie in September, 2025
Source: Bizrate
Overall Rating -> 9
I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.
Posted By Jewelry Quality Stones in July, 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