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:
459825
Weight:
7.47ct
Size:
18 x 13 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
69.02
Item in Stock
More Options & Item Details
ID:
350390
Weight:
2.56ct (total)
Size:
3 x 3 mm (calibrated)
Clarity:
Transparent
Content:
20 pcs
Price:
$
58.60
Item in Stock
More Options & Item Details
ID:
712492
Weight:
4.12ct
Size:
11 x 9 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
10.98
Item in Stock
More Options & Item Details
ID:
364378
Weight:
16.91ct
Size:
18 x 13 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
30.43
Item in Stock
More Options & Item Details
ID:
376644
Weight:
4.64ct (total)
Size:
8.4 x 7.2 mm
Clarity:
Transparent/Translucent
Content:
2 pcs
Price:
$
42.88
Item in Stock
More Options & Item Details
ID:
710244
Weight:
4.60ct
Size:
10 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
146.28
Item in Stock
More Options & Item Details
ID:
719630
Weight:
0.62ct
Size:
6 x 4 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
11.16
Item in Stock
More Options & Item Details
ID:
410067
Weight:
2.53ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
12.10
Item in Stock
More Options & Item Details
ID:
722645
Weight:
15.29ct
Size:
20 x 15 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
128.44
Item in Stock
More Options & Item Details
ID:
738694
Weight:
0.70ct
Size:
5.2 x 5.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
6.30
Item in Stock
More Options & Item Details
ID:
704564
Weight:
1.76ct
Size:
12.3 x 8.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
52.80
Item in Stock
More Options & Item Details
ID:
708471
Weight:
0.89ct
Size:
6.7 x 5.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
18.38
Item in Stock
More Options & Item Details
ID:
733081
Weight:
0.46ct
Size:
6.3 x 4 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
19.32
Item in Stock
More Options & Item Details
ID:
672600
Weight:
8.56ct (total)
Size:
15.1 x 11.1 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
24.14
Item in Stock
More Options & Item Details
ID:
527254
Weight:
12.46ct (total)
Size:
17.6 x 11.4 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
23.52
Item in Stock
More Options & Item Details
ID:
663091
Weight:
24.82ct (total)
Size:
26.1 x 12.6 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
17.57
Item in Stock
More Options & Item Details
ID:
742893
Weight:
14.47ct
Size:
25.4 x 10.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
57.88
Item in Stock
More Options & Item Details
ID:
348884
Weight:
18.95ct
Size:
18.2 x 16.2 mm
Clarity:
Transparent/Translucent
Content:
1 pc
Price:
$
32.52
Item in Stock
More Options & Item Details
ID:
713723
Weight:
0.50ct
Size:
6.3 x 4.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
8.40
Item in Stock
More Options & Item Details
ID:
367827
Weight:
5.42ct
Size:
15.4 x 7.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
36.56
Item in Stock
More Options & Item Details
ID:
690263
Weight:
17.78ct
Size:
19.4 x 8.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
37.20
Item in Stock
More Options & Item Details
ID:
579530
Weight:
4.19ct
Size:
12.1 x 9.1 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
63.61
Item in Stock
More Options & Item Details
ID:
601125
Weight:
3.55ct
Size:
11 x 11 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
23.44
Item in Stock
More Options & Item Details
ID:
708765
Weight:
24.33ct
Size:
22.4 x 15.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
87.59
Item in Stock
More Options & Item Details
ID:
521229
Weight:
18.89ct
Size:
32.7 x 8.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
13.72
Item in Stock
More Options & Item Details
ID:
401035
Weight:
41.20ct
Size:
23.9 x 18.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
81.58
Item in Stock
More Options & Item Details
ID:
712346
Weight:
3.43ct
Size:
12 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
9.13
Item in Stock
More Options & Item Details
ID:
428549
Weight:
3.56ct
Size:
12 x 8.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
28.20
Item in Stock
More Options & Item Details
ID:
697869
Weight:
0.48ct
Size:
4.5 x 4.2 mm
Clarity:
VVS
Content:
1 pc
Price:
$
28.80
Item in Stock
More Options & Item Details
ID:
439103
Weight:
3.21ct
Size:
9 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
199.15
Item in Stock
More Options & Item Details
ID:
656551
Weight:
2.63ct
Size:
9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
15.78
Item in Stock
More Options & Item Details
ID:
660568
Weight:
2.19ct
Size:
7 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
5.23
Item in Stock
More Options & Item Details
ID:
416962
Weight:
5.16ct
Size:
14 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
24.77
Item in Stock
More Options & Item Details
ID:
371745
Weight:
4.80ct (total)
Size:
7 x 7 mm (calibrated)
Clarity:
VS
Content:
5 pcs
Price:
$
31.68
Item in Stock
More Options & Item Details
ID:
707999
Weight:
6.95ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
11.51
Item in Stock
More Options & Item Details
ID:
655788
Weight:
8.99ct
Size:
14 x 12 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
14.03
Item in Stock
More Options & Item Details
ID:
454903
Weight:
8.63ct
Size:
16 x 12 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
14.47
Item in Stock
More Options & Item Details
ID:
720120
Weight:
1.07ct
Size:
5.9 x 5.1 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
102.98
Item in Stock
More Options & Item Details
ID:
650884
Weight:
22.94ct
Size:
27.9 x 16.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
13.76
Item in Stock
More Options & Item Details
ID:
533152
Weight:
0.89ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
8.22
Item in Stock
More Options & Item Details
ID:
713850
Weight:
0.80ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
13.44
Item in Stock
More Options & Item Details
ID:
630669
Weight:
12.50ct
Size:
22.8 x 11.5 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
105.00
Item in Stock
More Options & Item Details
ID:
695119
Weight:
9.10ct
Size:
14.6 x 9.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
273.00
Item in Stock
More Options & Item Details
ID:
745201
Weight:
13.09ct
Size:
13.7 x 9.6 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
27.62
Item in Stock
More Options & Item Details
ID:
297165
Weight:
34.18ct
Size:
27.9 x 24.8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
45.12
Item in Stock
More Options & Item Details
ID:
743412
Weight:
3.02ct
Size:
12 x 8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
135.90
Item in Stock
More Options & Item Details
ID:
368335
Weight:
2.51ct
Size:
7.5 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
16.44
Item in Stock
More Options & Item Details
ID:
698900
Weight:
3.02ct
Size:
11 x 9 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
25.37
Item in Stock
More Options & Item Details
ID:
453132
Weight:
5.45ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
6 pcs
Price:
$
50.36
Item in Stock
More Options & Item Details
ID:
473795
Weight:
0.86ct
Size:
9.5 x 5.3 mm
Clarity:
VVS
Content:
1 pc
Price:
$
62.44
Item in Stock
More Options & Item Details
ID:
718319
Weight:
1.15ct (total)
Size:
5.2 x 4.1 mm
Clarity:
VVS
Content:
2 pcs
Price:
$
34.50
Item in Stock
More Options & Item Details
ID:
684384
Weight:
0.85ct (total)
Size:
5 x 4 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
35.70
Item in Stock
More Options & Item Details
ID:
726918
Weight:
0.45ct
Size:
7.7 x 4.9 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
13.50
Item in Stock
More Options & Item Details
ID:
571516
Weight:
3.12ct (total)
Size:
11.8 x 5 mm
Clarity:
VS
Content:
2 pcs
Price:
$
20.59
Item in Stock
More Options & Item Details
ID:
704631
Weight:
1.78ct
Size:
10.8 x 8.1 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
53.40
Item in Stock
More Options & Item Details
ID:
585088
Weight:
17.90ct (total)
Size:
21.3 x 12.3 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
13.01
Item in Stock
More Options & Item Details
ID:
456791
Weight:
3.18ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
29.39
Item in Stock
More Options & Item Details
ID:
430499
Weight:
1.65ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
54.46
Item in Stock
More Options & Item Details
ID:
653425
Weight:
7.46ct
Size:
15.9 x 11.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
23.18
Item in Stock
More Options & Item Details
ID:
699195
Weight:
29.81ct
Size:
25 x 18 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
35.77
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 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
It was my second time so I understand what it is to do
Posted By Ibie in February, 2025
Source: Bizrate
Overall Rating -> 8
Good prices
Posted By TRM in October, 2025
Source: Bizrate
Overall Rating -> 10
Great selection of gems at a reasonable price
Posted By Curt in July, 2025
Source: Bizrate
Overall Rating -> 10
All good
Posted By DouscheGift in August, 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
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
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
I could see the actual gem I was buying
Posted By Bugs in December, 2025
Source: Bizrate