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:
741433
Weight:
0.58ct
Size:
5 x 4 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
23.20
Item in Stock
More Options & Item Details
ID:
717967
Weight:
0.09ct (total)
Size:
2.1 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
86.40
Item in Stock
More Options & Item Details
ID:
743015
Weight:
19.80ct
Size:
37.1 x 11 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
79.20
Item in Stock
More Options & Item Details
ID:
505891
Weight:
529.63ct
Size:
50.1 x 43.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
1,048.66
Item in Stock
More Options & Item Details
ID:
706347
Weight:
16.49ct
Size:
15.7 x 13 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
493.12
Item in Stock
More Options & Item Details
ID:
680791
Weight:
1.19ct
Size:
7 x 5 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
35.70
Item in Stock
More Options & Item Details
ID:
491400
Weight:
28.24ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
24.97
Item in Stock
More Options & Item Details
ID:
321922
Weight:
28.03ct
Size:
27 x 20 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
259.00
Item in Stock
More Options & Item Details
ID:
510632
Weight:
1.54ct
Size:
8.4 x 6.3 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
87.41
Item in Stock
More Options & Item Details
ID:
350278
Weight:
1.47ct
Size:
17.2 x 3.1 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
42.68
Item in Stock
More Options & Item Details
ID:
658775
Weight:
1.27ct
Size:
6.8 x 4.8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
6.10
Item in Stock
More Options & Item Details
ID:
707734
Weight:
6.74ct
Size:
13.8 x 11.4 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
48.53
Item in Stock
More Options & Item Details
ID:
714845
Weight:
13.22ct
Size:
14 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
34.27
Item in Stock
More Options & Item Details
ID:
544002
Weight:
0.92ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
8.50
Item in Stock
More Options & Item Details
ID:
411540
Weight:
1.13ct
Size:
6.2 x 4.6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
61.20
Item in Stock
More Options & Item Details
ID:
705225
Weight:
0.33ct
Size:
4 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
13.46
Item in Stock
More Options & Item Details
ID:
605882
Weight:
2.71ct
Size:
8.8 x 6.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
7.15
Item in Stock
More Options & Item Details
ID:
206036
Weight:
2.38ct (total)
Size:
4 mm (calibrated)
Clarity:
VS-SI
Content:
9 pcs
Price:
$
141.37
Item in Stock
More Options & Item Details
ID:
464194
Weight:
2.74ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
6 pcs
Price:
$
25.32
Item in Stock
More Options & Item Details
ID:
366380
Weight:
1.01ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
141.89
Item in Stock
More Options & Item Details
ID:
569233
Weight:
2.16ct
Size:
8 x 6 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
42.94
Item in Stock
More Options & Item Details
ID:
655755
Weight:
1.66ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
13.94
Item in Stock
More Options & Item Details
ID:
617102
Weight:
29.71ct
Size:
27.8 x 21.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
28.24
Item in Stock
More Options & Item Details
ID:
721731
Weight:
30.82ct
Size:
30.7 x 16.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
36.98
Item in Stock
More Options & Item Details
ID:
386322
Weight:
7.34ct (total)
Size:
17.1 x 8.5 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
65.30
Item in Stock
More Options & Item Details
ID:
433910
Weight:
4.94ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
32.60
Item in Stock
More Options & Item Details
ID:
479419
Weight:
1.82ct (total)
Size:
10 x 5 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
19.22
Item in Stock
More Options & Item Details
ID:
712803
Weight:
1.29ct
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
25.76
Item in Stock
More Options & Item Details
ID:
423321
Weight:
4.51ct (total)
Size:
6.8 x 6.6 mm
Clarity:
VVS-VS
Content:
5 pcs
Price:
$
35.72
Item in Stock
More Options & Item Details
ID:
431652
Weight:
1.52ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
16.02
Item in Stock
More Options & Item Details
ID:
650053
Weight:
0.91ct (total)
Size:
5.2 x 5.1 mm
Clarity:
VVS
Content:
2 pcs
Price:
$
7.64
Item in Stock
More Options & Item Details
ID:
596479
Weight:
31.30ct
Size:
21.8 x 20.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
275.99
Item in Stock
More Options & Item Details
ID:
566691
Weight:
1.14ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
7.52
Item in Stock
More Options & Item Details
ID:
322574
Weight:
23.57ct
Size:
20.4 x 19.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
62.22
Item in Stock
More Options & Item Details
ID:
428024
Weight:
7.95ct
Size:
14.4 x 10.7 mm
Clarity:
VVS
Content:
1 pc
Price:
$
62.96
Item in Stock
More Options & Item Details
ID:
626603
Weight:
1.31ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
12.11
Item in Stock
More Options & Item Details
ID:
661874
Weight:
4.74ct
Size:
16.6 x 10.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
14.78
Item in Stock
More Options & Item Details
ID:
399651
Weight:
3.41ct
Size:
9 x 9 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
215.60
Item in Stock
More Options & Item Details
ID:
393965
Weight:
24.08ct
Size:
25.8 x 24.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
31.79
Item in Stock
More Options & Item Details
ID:
693216
Weight:
6.64ct
Size:
11.8 x 11.5 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
5.31
Item in Stock
More Options & Item Details
ID:
387801
Weight:
4.86ct (total)
Size:
4.5 x 4.5 mm
Clarity:
VVS-VS
Content:
10 pcs
Price:
$
32.08
Item in Stock
More Options & Item Details
ID:
658709
Weight:
14.65ct
Size:
16.7 x 16.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
21.44
Item in Stock
More Options & Item Details
ID:
590213
Weight:
1.20ct
Size:
6 x 6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
22.62
Item in Stock
More Options & Item Details
ID:
706944
Weight:
1.98ct
Size:
8 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
4.75
Item in Stock
More Options & Item Details
ID:
710486
Weight:
6.54ct
Size:
13.3 x 7.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
207.97
Item in Stock
More Options & Item Details
ID:
476235
Weight:
5.89ct (total)
Size:
10 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
41.35
Item in Stock
More Options & Item Details
ID:
687802
Weight:
5.57ct
Size:
11 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
16.31
Item in Stock
More Options & Item Details
ID:
439264
Weight:
2.54ct
Size:
8 x 8 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
157.58
Item in Stock
More Options & Item Details
ID:
722125
Weight:
0.85ct
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
40.80
Item in Stock
More Options & Item Details
ID:
322365
Weight:
4.70ct (total)
Size:
8.5 x 7.1 mm
Clarity:
Transparent/Translucent
Content:
2 pcs
Price:
$
31.02
Item in Stock
More Options & Item Details
ID:
648309
Weight:
1.02ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
22.57
Item in Stock
More Options & Item Details
ID:
687412
Weight:
11.76ct
Size:
17.9 x 14.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
34.72
Item in Stock
More Options & Item Details
ID:
548265
Weight:
9.07ct
Size:
15.7 x 11.4 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
359.17
Item in Stock
More Options & Item Details
ID:
554439
Weight:
0.96ct
Size:
9.8 x 6.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
28.92
Item in Stock
More Options & Item Details
ID:
358139
Weight:
3.39ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VS
Content:
5 pcs
Price:
$
22.38
Item in Stock
More Options & Item Details
ID:
480647
Weight:
2.88ct
Size:
9 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
20.53
Item in Stock
More Options & Item Details
ID:
672008
Weight:
9.71ct (total)
Size:
20.2 x 10.9 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
27.38
Item in Stock
More Options & Item Details
ID:
456469
Weight:
3.12ct
Size:
10.5 x 8.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
28.82
Item in Stock
More Options & Item Details
ID:
565122
Weight:
4.22ct
Size:
12 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
27.85
Item in Stock
More Options & Item Details
ID:
489750
Weight:
1.75ct (total)
Size:
4.5 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
34.66
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
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
I could see the actual gem I was buying
Posted By Bugs in December, 2025
Source: Bizrate
Overall Rating -> 10
IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.
Posted By YE in October, 2025
Source: Bizrate
Overall Rating -> 10
I love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.
Posted By Bryan De David in April, 2025
Source: Bizrate
Overall Rating -> 10
very good
Posted By Son Gift in January, 2025
Source: Bizrate
Overall Rating -> 10
I like the way your website shows us what stone were buying as well the easy way to navigate the site. also knowing the stones are real...
Posted By RED in January, 2025
Source: Bizrate
Overall Rating -> 10
Had a great experience and the prices are great
Posted By BuBx99 in November, 2025
Source: Bizrate
Overall Rating -> 10
Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.
Posted By JD in July, 2025
Source: Bizrate
Overall Rating -> 10
easy site to navigate
Posted By Curt's Cabochons in June, 2025
Source: Bizrate