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:
707732
Weight:
5.52ct
Size:
13.4 x 9.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
39.74
Item in Stock
More Options & Item Details
ID:
526025
Weight:
6.43ct
Size:
16 x 12 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
61.27
Item in Stock
More Options & Item Details
ID:
501254
Weight:
5.91ct
Size:
12 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
54.61
Item in Stock
More Options & Item Details
ID:
684526
Weight:
0.05ct
Size:
2.1 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
17.51
Item in Stock
More Options & Item Details
ID:
688976
Weight:
1.25ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
12.00
Item in Stock
More Options & Item Details
ID:
714350
Weight:
0.47ct
Size:
4.3 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
14.10
Item in Stock
More Options & Item Details
ID:
590715
Weight:
32.77ct
Size:
25 x 18 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
216.29
Item in Stock
More Options & Item Details
ID:
462687
Weight:
1.81ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
Transparent
Content:
4 pcs
Price:
$
95.57
Item in Stock
More Options & Item Details
ID:
712759
Weight:
4.70ct (total)
Size:
12 x 6 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
12.52
Item in Stock
More Options & Item Details
ID:
635043
Weight:
0.50ct
Size:
6.9 x 4.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
14.40
Item in Stock
More Options & Item Details
ID:
617531
Weight:
1.48ct
Size:
7.7 x 6.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
31.46
Item in Stock
More Options & Item Details
ID:
725756
Weight:
1.42ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
13.63
Item in Stock
More Options & Item Details
ID:
390676
Weight:
2.09ct
Size:
8.6 x 7 mm
Clarity:
VS
Content:
1 pc
Price:
$
74.74
Item in Stock
More Options & Item Details
ID:
392706
Weight:
14.49ct (total)
Size:
14 x 10 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
95.64
Item in Stock
More Options & Item Details
ID:
738775
Weight:
0.26ct
Size:
4.5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
13.00
Item in Stock
More Options & Item Details
ID:
658240
Weight:
23.09ct
Size:
15.9 x 15.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
33.80
Item in Stock
More Options & Item Details
ID:
694776
Weight:
2.66ct
Size:
10.3 x 5.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
79.80
Item in Stock
More Options & Item Details
ID:
471690
Weight:
1.43ct (total)
Size:
4.9 x 3.9 mm
Clarity:
VS
Content:
4 pcs
Price:
$
188.76
Item in Stock
More Options & Item Details
ID:
651046
Weight:
3.43ct (total)
Size:
8 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
28.81
Item in Stock
More Options & Item Details
ID:
439565
Weight:
4.82ct
Size:
13 x 9 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
86.76
Item in Stock
More Options & Item Details
ID:
590218
Weight:
1.46ct
Size:
6 x 6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
27.53
Item in Stock
More Options & Item Details
ID:
719579
Weight:
0.63ct
Size:
5.2 x 4.1 mm
Clarity:
VVS
Content:
1 pc
Price:
$
11.34
Item in Stock
More Options & Item Details
ID:
464395
Weight:
4.40ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
40.66
Item in Stock
More Options & Item Details
ID:
517341
Weight:
1.50ct
Size:
10 x 5.6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
138.60
Item in Stock
More Options & Item Details
ID:
544605
Weight:
0.66ct
Size:
5.9 x 4.6 mm
Clarity:
SI
Content:
1 pc
Price:
$
34.85
Item in Stock
More Options & Item Details
ID:
482261
Weight:
1.98ct
Size:
9 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
14.27
Item in Stock
More Options & Item Details
ID:
677852
Weight:
avg. 0.08 ct / each
Size:
2 x 2 mm (calibrated)
Clarity:
Opaque
Price:
$
38.00
Item in Stock
More Options & Item Details
Select
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
pcs
ID:
706864
Weight:
3.21ct (total)
Size:
8 x 8 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
7.70
Item in Stock
More Options & Item Details
ID:
358108
Weight:
1.87ct
Size:
8.9 x 6.3 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
49.62
Item in Stock
More Options & Item Details
ID:
390672
Weight:
2.11ct
Size:
8.5 x 7.1 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
75.46
Item in Stock
More Options & Item Details
ID:
742849
Weight:
1.86ct
Size:
12 x 6 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
83.70
Item in Stock
More Options & Item Details
ID:
671486
Weight:
18.55ct
Size:
26.6 x 17.9 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
47.86
Item in Stock
More Options & Item Details
ID:
706835
Weight:
2.93ct
Size:
17.8 x 7.1 mm
Clarity:
VVS
Content:
1 pc
Price:
$
17.58
Item in Stock
More Options & Item Details
ID:
393312
Weight:
10.89ct
Size:
13 x 13 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
71.88
Item in Stock
More Options & Item Details
ID:
533782
Weight:
3.59ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
33.17
Item in Stock
More Options & Item Details
ID:
664243
Weight:
3.26ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
15.65
Item in Stock
More Options & Item Details
ID:
619140
Weight:
5.01ct
Size:
14 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
66.13
Item in Stock
More Options & Item Details
ID:
577049
Weight:
13.07ct (total)
Size:
15.1 x 11 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
25.88
Item in Stock
More Options & Item Details
ID:
715411
Weight:
0.45ct
Size:
5 x 4.3 mm
Clarity:
VVS
Content:
1 pc
Price:
$
28.62
Item in Stock
More Options & Item Details
ID:
644422
Weight:
2.81ct (total)
Size:
7.5 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
7.42
Item in Stock
More Options & Item Details
ID:
648957
Weight:
1.24ct (total)
Size:
8.2 x 4.1 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
10.66
Item in Stock
More Options & Item Details
ID:
315517
Weight:
3.56ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
13.16
Item in Stock
More Options & Item Details
ID:
458241
Weight:
1.47ct (total)
Size:
4.6 x 3.7 mm
Clarity:
VS
Content:
4 pcs
Price:
$
194.04
Item in Stock
More Options & Item Details
ID:
471922
Weight:
1.77ct
Size:
8.5 x 6.7 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
1,168.20
Item in Stock
More Options & Item Details
ID:
711614
Weight:
32.86ct
Size:
22.9 x 18.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
59.15
Item in Stock
More Options & Item Details
ID:
648656
Weight:
0.63ct
Size:
8 x 4 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
6.05
Item in Stock
More Options & Item Details
ID:
387985
Weight:
2.80ct (total)
Size:
4.5 x 4.5 mm
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
18.48
Item in Stock
More Options & Item Details
ID:
534717
Weight:
3.02ct
Size:
10 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
23.92
Item in Stock
More Options & Item Details
ID:
727345
Weight:
0.49ct
Size:
5 x 4 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
20.58
Item in Stock
More Options & Item Details
ID:
662758
Weight:
1.80ct
Size:
8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
15.12
Item in Stock
More Options & Item Details
ID:
674276
Weight:
14.74ct
Size:
19.6 x 13.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
265.32
Item in Stock
More Options & Item Details
ID:
645981
Weight:
12.55ct
Size:
18.2 x 13.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
39.16
Item in Stock
More Options & Item Details
ID:
648021
Weight:
6.00ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
10.80
Item in Stock
More Options & Item Details
ID:
707209
Weight:
1.81ct
Size:
8 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
4.34
Item in Stock
More Options & Item Details
ID:
661829
Weight:
2.40ct
Size:
8 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
5.78
Item in Stock
More Options & Item Details
ID:
450936
Weight:
2.52ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
23.28
Item in Stock
More Options & Item Details
ID:
378204
Weight:
30.93ct
Size:
25 x 18 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
81.66
Item in Stock
More Options & Item Details
ID:
620769
Weight:
1.31ct
Size:
7 x 5 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
32.86
Item in Stock
More Options & Item Details
ID:
435577
Weight:
4.97ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
32.81
Item in Stock
More Options & Item Details
ID:
660021
Weight:
1.35ct
Size:
6 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
3.25
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
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 -> 9
Will know more once order received
Posted By Jim in September, 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
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
I was able to find what I was looking for
Posted By Lincolnpremier in January, 2025
Source: Bizrate
Overall Rating -> 10
I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.
Posted By Sam in March, 2025
Source: Bizrate
Overall Rating -> 9
I love the gems!
Posted By MM in April, 2025
Source: Bizrate
Overall Rating -> 10
hassle free experience.
Posted By Jhidron in October, 2025
Source: Bizrate
Overall Rating -> 10
All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.
Posted By Bob D in December, 2025
Source: Bizrate