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 (2978)
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 (896)
Peanut Wood (11)
Peridot (1442)
Pietersite (584)
Prehnite (793)
Psilomelane Dendrite (23)
Pyrite (11)
Pyrope Garnet (1699)
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 (407)
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:
481400
Weight:
1.48ct
Size:
6.5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
42.53
Item in Stock
More Options & Item Details
ID:
376695
Weight:
2.00ct
Size:
8.3 x 7.2 mm
Clarity:
Transparent/Translucent
Content:
1 pc
Price:
$
22.60
Item in Stock
More Options & Item Details
ID:
448814
Weight:
22.73ct
Size:
24.4 x 15.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
30.00
Item in Stock
More Options & Item Details
ID:
735773
Weight:
32.11ct
Size:
33.8 x 20.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
26.59
Item in Stock
More Options & Item Details
ID:
737120
Weight:
26.73ct
Size:
33.1 x 10.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
2.67
Item in Stock
More Options & Item Details
ID:
719568
Weight:
0.74ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
6.22
Item in Stock
More Options & Item Details
ID:
627986
Weight:
1.17ct
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
21.50
Item in Stock
More Options & Item Details
ID:
500829
Weight:
13.10ct (total)
Size:
14 x 10 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
101.51
Item in Stock
More Options & Item Details
ID:
718185
Weight:
1.00ct
Size:
6 x 4.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
30.00
Item in Stock
More Options & Item Details
ID:
382709
Weight:
41.15ct
Size:
27.5 x 21 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
61.72
Item in Stock
More Options & Item Details
ID:
737507
Weight:
1.13ct
Size:
7.2 x 5.5 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
28.25
Item in Stock
More Options & Item Details
ID:
723739
Weight:
33.69ct
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
40.02
Item in Stock
More Options & Item Details
ID:
720392
Weight:
1.16ct
Size:
6.9 x 5.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
167.04
Item in Stock
More Options & Item Details
ID:
635555
Weight:
5.09ct
Size:
12.3 x 8.4 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
26.15
Item in Stock
More Options & Item Details
ID:
684600
Weight:
11.44ct
Size:
17.8 x 15 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
12.24
Item in Stock
More Options & Item Details
ID:
422983
Weight:
69.64ct (total)
Size:
15 mm (calibrated)
Clarity:
Opaque
Content:
3 pcs
Price:
$
73.54
Item in Stock
More Options & Item Details
ID:
679218
Weight:
13.64ct
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
81.84
Item in Stock
More Options & Item Details
ID:
448271
Weight:
6.97ct (total)
Size:
8 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
36.80
Item in Stock
More Options & Item Details
ID:
715750
Weight:
0.72ct
Size:
5.8 x 4.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
45.79
Item in Stock
More Options & Item Details
ID:
731008
Weight:
8.82ct
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
10.80
Item in Stock
More Options & Item Details
ID:
694404
Weight:
10.88ct (total)
Size:
15.1 x 9.2 mm
Clarity:
VS
Content:
2 pcs
Price:
$
91.39
Item in Stock
More Options & Item Details
ID:
431151
Weight:
3.44ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
81.73
Item in Stock
More Options & Item Details
ID:
718834
Weight:
3.86ct
Size:
9.2 x 7.5 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
115.80
Item in Stock
More Options & Item Details
ID:
524584
Weight:
0.87ct
Size:
6.1 x 5.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
57.42
Item in Stock
More Options & Item Details
ID:
725286
Weight:
14.11ct
Size:
14 x 14 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
16.08
Item in Stock
More Options & Item Details
ID:
377033
Weight:
33.65ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
22.20
Item in Stock
More Options & Item Details
ID:
714178
Weight:
0.36ct
Size:
4 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
10.80
Item in Stock
More Options & Item Details
ID:
335820
Weight:
14.55ct (total)
Size:
12 x 10 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
96.04
Item in Stock
More Options & Item Details
ID:
454745
Weight:
4.25ct
Size:
13.9 x 7.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
39.28
Item in Stock
More Options & Item Details
ID:
640732
Weight:
1.56ct
Size:
7 x 6 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
10.30
Item in Stock
More Options & Item Details
ID:
697595
Weight:
0.57ct (total)
Size:
3.7 mm
Clarity:
VS-SI
Content:
2 pcs
Price:
$
12.31
Item in Stock
More Options & Item Details
ID:
664636
Weight:
1.22ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
26.35
Item in Stock
More Options & Item Details
ID:
343968
Weight:
25.15ct
Size:
25.5 x 22.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
33.20
Item in Stock
More Options & Item Details
ID:
637736
Weight:
1.89ct
Size:
9 x 7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
17.58
Item in Stock
More Options & Item Details
ID:
347335
Weight:
2.84ct
Size:
21.4 x 3.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
140.58
Item in Stock
More Options & Item Details
ID:
707848
Weight:
4.82ct
Size:
13.8 x 10.5 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
34.70
Item in Stock
More Options & Item Details
ID:
687570
Weight:
8.52ct
Size:
14.2 x 10.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
10.22
Item in Stock
More Options & Item Details
ID:
344238
Weight:
97.93ct
Size:
39.5 x 27.1 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
146.89
Item in Stock
More Options & Item Details
ID:
572181
Weight:
2.90ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
26.80
Item in Stock
More Options & Item Details
ID:
491465
Weight:
20.70ct
Size:
30.6 x 14.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
36.61
Item in Stock
More Options & Item Details
ID:
715784
Weight:
3.13ct (total)
Size:
8 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
30.05
Item in Stock
More Options & Item Details
ID:
722708
Weight:
33.55ct
Size:
27.6 x 24.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
281.82
Item in Stock
More Options & Item Details
ID:
375914
Weight:
4.98ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
38.58
Item in Stock
More Options & Item Details
ID:
366584
Weight:
1.10ct
Size:
8.5 x 5.3 mm
Clarity:
VVS
Content:
1 pc
Price:
$
154.45
Item in Stock
More Options & Item Details
ID:
602898
Weight:
1.47ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
13.58
Item in Stock
More Options & Item Details
ID:
736507
Weight:
44.13ct (total)
Size:
40.1 x 17.2 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
52.07
Item in Stock
More Options & Item Details
ID:
706430
Weight:
12.09ct
Size:
14.7 x 12.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
24.66
Item in Stock
More Options & Item Details
ID:
364688
Weight:
6.35ct
Size:
14.8 x 10.8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
38.10
Item in Stock
More Options & Item Details
ID:
392109
Weight:
23.65ct
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
62.44
Item in Stock
More Options & Item Details
ID:
679220
Weight:
9.73ct
Size:
16 x 12 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
58.38
Item in Stock
More Options & Item Details
ID:
464512
Weight:
4.04ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
37.33
Item in Stock
More Options & Item Details
ID:
528680
Weight:
1.84ct
Size:
8.7 x 5.2 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
160.30
Item in Stock
More Options & Item Details
ID:
683062
Weight:
16.77ct (total)
Size:
13.7 x 11 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
100.62
Item in Stock
More Options & Item Details
ID:
480033
Weight:
1.99ct
Size:
8 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
18.38
Item in Stock
More Options & Item Details
ID:
464487
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:
704936
Weight:
36.40ct
Size:
39.6 x 11.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
8.74
Item in Stock
More Options & Item Details
ID:
725290
Weight:
5.27ct
Size:
11 x 9.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
6.01
Item in Stock
More Options & Item Details
ID:
647379
Weight:
1.59ct
Size:
7.9 x 6.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
36.25
Item in Stock
More Options & Item Details
ID:
650129
Weight:
1.61ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
13.52
Item in Stock
More Options & Item Details
ID:
451055
Weight:
1.65ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
15.25
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
Very professional site
Posted By JR in January, 2025
Source: Bizrate
Overall Rating -> 10
I have ordered from Genselect before and always had a great experience. My go to source!
Posted By Kycaver in October, 2024
Source: Bizrate
Overall Rating -> 8
The website was nice and I bought some gems
Posted By Jay in December, 2024
Source: Bizrate
Overall Rating -> 10
Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.
Posted By Jac in July, 2025
Source: Bizrate
Overall Rating -> 10
Good selection, trusted quality. What I have purchased has always been as discribed.
Posted By Sterling in November, 2024
Source: Bizrate
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 can pick and choose from large selection and find just what I need for .y projects, currently my cane.
Posted By Darkstar731 in July, 2025
Source: Bizrate
Overall Rating -> 10
I purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.
Posted By MVK in July, 2025
Source: Bizrate
Overall Rating -> 10
Good selection, using for custom jewlery for my wife.
Posted By Smitty in June, 2025
Source: Bizrate