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 (55)
Agate (545)
Agate Geode (17)
Alexandrite (28)
Almandine Garnet (320)
Amazonite (280)
Amethyst (2979)
Amethyst Geode Slice (70)
Ametrine (145)
Andalusite (192)
Apatite (271)
Aquamarine (116)
Aragonite (27)
Aventurine (134)
Axinite (10)
Beryl (580)
Black Opal (6)
Bloodstone (211)
Boulder Opal (229)
Calcite (71)
Carnelian (30)
Cat's Eye Apatite (30)
Cat's Eye Aquamarine (15)
Cat's Eye Beryl (3)
Cat's Eye Moonstone (36)
Cat's Eye Opal (142)
Cat's Eye Scapolite (79)
Cavansite (36)
Chalcedony (221)
Charoite (125)
Chocolate Opal (75)
Chrome Diopside (112)
Chrome Tourmaline (2)
Chrysoberyl (93)
Chrysoberyl Cat's Eye (55)
Chrysocolla (49)
Chrysoprase (19)
Cinnabar (78)
Citrine (4507)
Clinohumite (32)
Color-Change Diaspore (855)
Color-Change Fluorite (55)
Color-Change Garnet (193)
Coral (267)
Demantoid Garnet (235)
Dendritic Agate (198)
Diamond (600)
Druzy Amethyst (3)
Druzy Azurite (13)
Druzy Citrine (45)
Druzy Variscite (130)
Emerald (1)
Enstatite (3)
Feather Pyrite (43)
Fire Agate (314)
Fire Opal (123)
Fluorite (159)
Fossil Coral (322)
Golden Beryl (149)
Grandidierite (165)
Grossularite Garnet (35)
Hematite (352)
Hemimorphite Druzy (46)
Hessonite Garnet (2162)
Hiddenite (10)
Howlite (133)
Idocrase (22)
Imperial Topaz (12)
Iolite (169)
Jade (68)
Jadeite (279)
Jasper (1330)
Kornerupine (209)
Kunzite (385)
Kyanite (747)
Labradorite (1211)
Lapis Lazuli (2)
Larimar (122)
Lazulite (10)
Lepidolite (33)
Malachite (189)
Malaya Garnet (109)
Mali Garnet (7)
Matrix Opal (16)
Maw-Sit-Sit (121)
Moldavite (8)
Moonstone (963)
Morganite (979)
Moss Agate (54)
Mother of Pearl (11)
Nuummite (115)
Obsidian (208)
Opal (898)
Peanut Wood (11)
Peridot (1442)
Pietersite (584)
Prehnite (793)
Psilomelane Dendrite (23)
Pyrite (11)
Pyrope Garnet (1700)
Quartz (67)
Quartz Cat's Eye (70)
Quartz With Hedenbergite (7)
Quartz With Marcasite (185)
Rainbow Moonstone (926)
Rainbow Pyrite (249)
Rhodochrosite (138)
Rhodolite Garnet (408)
Rhodonite (30)
Rose Quartz (680)
Rubellite Tourmaline (9)
Ruby (4)
Ruby in Fuchsite (92)
Ruby-Zoisite (213)
Rutile Quartz (499)
Sapphire (60)
Scolecite (30)
Seraphinite (44)
Serpentine (74)
Sillimanite (68)
Sillimanite Cat's Eye (381)
Smithsonite (1)
Smoky Quartz (951)
Snowflake Obsidian (23)
Sodalite (21)
Spectrolite (127)
Spessartite Garnet (456)
Sphalerite (352)
Sphene (585)
Spinel (883)
Star Diopside (163)
Star Garnet (119)
Star Moonstone (78)
Star Rose Quartz (23)
Star Ruby (1)
Star Sapphire (15)
Strawberry Quartz (1092)
Sunstone (527)
Tiger's Eye (785)
Tiger's Eye Matrix (281)
Topaz (482)
Tourmaline (2596)
Tsavorite Garnet (186)
Turquoise (96)
Uvarovite Garnet Drusy (50)
Variscite (5)
Zircon (782)
Clear All
ID:
673718
Weight:
7.25ct
Size:
21 x 11.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
217.50
Item in Stock
More Options & Item Details
ID:
490729
Weight:
4.75ct
Size:
14 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
34.49
Item in Stock
More Options & Item Details
ID:
643574
Weight:
2.61ct
Size:
10 x 8 mm (calibrated)
Clarity:
VS
Price:
$
21.92
Item in Stock
More Options & Item Details
ID:
674836
Weight:
7.78ct
Size:
26.7 x 15.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
13.07
Item in Stock
More Options & Item Details
ID:
553141
Weight:
1.94ct
Size:
7 x 7 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
43.84
Item in Stock
More Options & Item Details
ID:
551467
Weight:
0.96ct
Size:
7.4 x 5.5 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
3.61
Item in Stock
More Options & Item Details
ID:
469904
Weight:
30.20ct (total)
Size:
13 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
20.72
Item in Stock
More Options & Item Details
ID:
658434
Weight:
15.77ct
Size:
16 x 16 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
23.09
Item in Stock
More Options & Item Details
ID:
464392
Weight:
3.64ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
33.64
Item in Stock
More Options & Item Details
ID:
493182
Weight:
1.33ct (total)
Size:
6.2 x 3 mm
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
8.78
Item in Stock
More Options & Item Details
ID:
428573
Weight:
3.21ct (total)
Size:
8 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
8.47
Item in Stock
More Options & Item Details
ID:
624227
Weight:
42.71ct
Size:
37.9 x 27.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
52.43
Item in Stock
More Options & Item Details
ID:
663440
Weight:
0.62ct
Size:
8 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
11.90
Item in Stock
More Options & Item Details
ID:
721388
Weight:
0.50ct
Size:
8 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
9.00
Item in Stock
More Options & Item Details
ID:
594829
Weight:
0.94ct
Size:
5.3 x 5.2 mm
Clarity:
SI
Content:
1 pc
Price:
$
22.33
Item in Stock
More Options & Item Details
ID:
539688
Weight:
2.08ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
40.61
Item in Stock
More Options & Item Details
ID:
725206
Weight:
54.14ct
Size:
28.7 x 23 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
194.90
Item in Stock
More Options & Item Details
ID:
545318
Weight:
0.65ct
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
29.09
Item in Stock
More Options & Item Details
ID:
598777
Weight:
4.44ct
Size:
16 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
58.61
Item in Stock
More Options & Item Details
ID:
612261
Weight:
0.67ct
Size:
5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
42.34
Item in Stock
More Options & Item Details
ID:
382777
Weight:
1.82ct
Size:
7.4 x 6.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
89.94
Item in Stock
More Options & Item Details
ID:
638876
Weight:
1.86ct
Size:
6.9 x 6.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
11.16
Item in Stock
More Options & Item Details
ID:
435602
Weight:
5.72ct
Size:
15 x 10.9 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
18.73
Item in Stock
More Options & Item Details
ID:
456247
Weight:
3.21ct
Size:
11.5 x 8.2 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
29.66
Item in Stock
More Options & Item Details
ID:
737480
Weight:
2.05ct
Size:
9 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
92.25
Item in Stock
More Options & Item Details
ID:
484856
Weight:
18.93ct
Size:
21 x 16.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
220.90
Item in Stock
More Options & Item Details
ID:
721629
Weight:
17.15ct
Size:
13 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
20.58
Item in Stock
More Options & Item Details
ID:
572190
Weight:
2.74ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Price:
$
25.32
Item in Stock
More Options & Item Details
ID:
416655
Weight:
6.72ct
Size:
15.7 x 10.4 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
35.48
Item in Stock
More Options & Item Details
ID:
668820
Weight:
9.87ct
Size:
14 x 12 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
59.22
Item in Stock
More Options & Item Details
ID:
449737
Weight:
5.61ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
37.03
Item in Stock
More Options & Item Details
ID:
427903
Weight:
2.46ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
16.24
Item in Stock
More Options & Item Details
ID:
705605
Weight:
0.67ct
Size:
5.1 x 4.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
27.34
Item in Stock
More Options & Item Details
ID:
663353
Weight:
2.67ct
Size:
9.1 x 7.6 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
64.08
Item in Stock
More Options & Item Details
ID:
580139
Weight:
1.84ct
Size:
8.3 x 6.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
18.31
Item in Stock
More Options & Item Details
ID:
594613
Weight:
1.85ct
Size:
8.5 x 7 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
43.96
Item in Stock
More Options & Item Details
ID:
710320
Weight:
1.88ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
33.68
Item in Stock
More Options & Item Details
ID:
400339
Weight:
4.67ct (total)
Size:
8 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
7.73
Item in Stock
More Options & Item Details
ID:
702115
Weight:
5.25ct
Size:
14.7 x 7.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
26.25
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
ID:
472441
Weight:
13.92ct
Size:
17.4 x 13.9 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
128.62
Item in Stock
More Options & Item Details
ID:
721717
Weight:
0.56ct
Size:
8 x 4 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
10.08
Item in Stock
More Options & Item Details
ID:
513247
Weight:
1.03ct
Size:
7 x 5.2 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
74.78
Item in Stock
More Options & Item Details
ID:
440467
Weight:
2.22ct (total)
Size:
4.7 mm
Clarity:
VS
Content:
4 pcs
Price:
$
58.61
Item in Stock
More Options & Item Details
ID:
695866
Weight:
2.96ct
Size:
10.3 x 7.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
88.80
Item in Stock
More Options & Item Details
ID:
682429
Weight:
6.30ct
Size:
12 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
37.80
Item in Stock
More Options & Item Details
ID:
520622
Weight:
1.31ct
Size:
9.8 x 5 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
72.62
Item in Stock
More Options & Item Details
ID:
700479
Weight:
0.26ct
Size:
3.5 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
15.60
Item in Stock
More Options & Item Details
ID:
540019
Weight:
0.98ct (total)
Size:
6.2 x 4.3 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
10.34
Item in Stock
More Options & Item Details
ID:
698558
Weight:
3.49ct
Size:
11 x 9 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
29.32
Item in Stock
More Options & Item Details
ID:
479629
Weight:
2.38ct (total)
Size:
10.2 x 5.2 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
25.13
Item in Stock
More Options & Item Details
ID:
498838
Weight:
0.86ct
Size:
5.5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
45.41
Item in Stock
More Options & Item Details
ID:
737291
Weight:
2.37ct
Size:
9 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
106.65
Item in Stock
More Options & Item Details
ID:
734708
Weight:
3.60ct
Size:
11 x 9 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
21.60
Item in Stock
More Options & Item Details
ID:
400076
Weight:
6.83ct (total)
Size:
9 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
22.54
Item in Stock
More Options & Item Details
ID:
413449
Weight:
2.08ct
Size:
9.2 x 7.3 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
13.73
Item in Stock
More Options & Item Details
ID:
668897
Weight:
8.85ct
Size:
22.7 x 10.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
191.16
Item in Stock
More Options & Item Details
ID:
713937
Weight:
1.31ct
Size:
8.3 x 6.3 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
11.00
Item in Stock
More Options & Item Details
ID:
567447
Weight:
0.26ct (total)
Size:
3.2 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
560.02
Item in Stock
More Options & Item Details
ID:
622556
Weight:
1.24ct
Size:
7.3 x 5.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
26.08
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 -> 10
It's always a pleasure doing business with Gem Select. Outstanding products ant very reasonable prices. Thank You One and All.
Posted By G.W. or Bakyow in July, 2025
Source: Bizrate
Overall Rating -> 10
Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.
Posted By Sina in April, 2025
Source: Bizrate
Overall Rating -> 9
I did not have any problems
Posted By Clilrichard in January, 2025
Source: Bizrate
Overall Rating -> 10
very good
Posted By Son Gift in January, 2025
Source: Bizrate
Overall Rating -> 10
Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.
Posted By Fried Rice in August, 2025
Source: Bizrate
Overall Rating -> 10
Ive been looking for a place to buy loose gemstones for years and was thrilled when I found this site
Posted By Bern in October, 2024
Source: Bizrate
Overall Rating -> 10
I like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.
Posted By Nate in March, 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