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:
593779
Weight:
1.45ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
26.80
Item in Stock
More Options & Item Details
ID:
661968
Weight:
4.18ct (total)
Size:
8 x 8 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
10.08
Item in Stock
More Options & Item Details
ID:
714074
Weight:
0.36ct
Size:
4.2 mm
Clarity:
SI
Content:
1 pc
Price:
$
10.80
Item in Stock
More Options & Item Details
ID:
719925
Weight:
0.86ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
7.22
Item in Stock
More Options & Item Details
ID:
493287
Weight:
3.32ct
Size:
13 x 9 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
23.80
Item in Stock
More Options & Item Details
ID:
691077
Weight:
0.46ct
Size:
4.2 mm
Clarity:
SI-I1
Content:
1 pc
Price:
$
27.60
Item in Stock
More Options & Item Details
ID:
522833
Weight:
10.24ct
Size:
17.1 x 12.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
270.34
Item in Stock
More Options & Item Details
ID:
687639
Weight:
13.33ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
16.00
Item in Stock
More Options & Item Details
ID:
492920
Weight:
5.46ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
39.49
Item in Stock
More Options & Item Details
ID:
449647
Weight:
5.83ct (total)
Size:
7.6 x 6.1 mm
Clarity:
Transparent
Content:
4 pcs
Price:
$
38.48
Item in Stock
More Options & Item Details
ID:
712404
Weight:
2.28ct
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
6.07
Item in Stock
More Options & Item Details
ID:
548101
Weight:
1.61ct
Size:
7.3 x 5.9 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
32.62
Item in Stock
More Options & Item Details
ID:
396122
Weight:
7.45ct (total)
Size:
8.4 x 8.3 mm
Clarity:
VS
Content:
2 pcs
Price:
$
365.34
Item in Stock
More Options & Item Details
ID:
371108
Weight:
27.89ct (total)
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
36.82
Item in Stock
More Options & Item Details
ID:
597601
Weight:
11.16ct
Size:
16 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
44.20
Item in Stock
More Options & Item Details
ID:
694481
Weight:
18.76ct
Size:
18 x 18 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
157.58
Item in Stock
More Options & Item Details
ID:
517972
Weight:
2.10ct
Size:
9 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
19.40
Item in Stock
More Options & Item Details
ID:
466871
Weight:
0.49ct
Size:
6.7 x 3.7 mm
Clarity:
VVS
Content:
1 pc
Price:
$
35.58
Item in Stock
More Options & Item Details
ID:
376786
Weight:
6.38ct (total)
Size:
7.5 x 6.8 mm
Clarity:
Transparent
Content:
4 pcs
Price:
$
58.96
Item in Stock
More Options & Item Details
ID:
734746
Weight:
7.73ct (total)
Size:
11 x 9 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
324.66
Item in Stock
More Options & Item Details
ID:
484308
Weight:
1.37ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
18.08
Item in Stock
More Options & Item Details
ID:
711633
Weight:
17.75ct
Size:
21.2 x 15.9 mm
Clarity:
VVS
Content:
1 pc
Price:
$
149.10
Item in Stock
More Options & Item Details
ID:
565401
Weight:
12.52ct
Size:
19.3 x 15.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
49.58
Item in Stock
More Options & Item Details
ID:
730812
Weight:
25.40ct (total)
Size:
23.1 x 13.1 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
17.38
Item in Stock
More Options & Item Details
ID:
658679
Weight:
6.87ct
Size:
28.9 x 8.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
20.61
Item in Stock
More Options & Item Details
ID:
695565
Weight:
5.14ct
Size:
11.8 x 10.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
35.53
Item in Stock
More Options & Item Details
ID:
699627
Weight:
0.83ct
Size:
6.1 x 4.5 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
49.80
Item in Stock
More Options & Item Details
ID:
565080
Weight:
0.19ct (total)
Size:
2.9 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
415.91
Item in Stock
More Options & Item Details
ID:
718314
Weight:
1.25ct (total)
Size:
5 x 4 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
37.50
Item in Stock
More Options & Item Details
ID:
653423
Weight:
11.05ct
Size:
19 x 12.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
34.34
Item in Stock
More Options & Item Details
ID:
675838
Weight:
6.81ct
Size:
12.1 x 10.6 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
40.86
Item in Stock
More Options & Item Details
ID:
439095
Weight:
3.68ct
Size:
9.6 x 9.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
228.31
Item in Stock
More Options & Item Details
ID:
696900
Weight:
36.78ct
Size:
42.4 x 10.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
4.42
Item in Stock
More Options & Item Details
ID:
196855
Weight:
13.35ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
52.87
Item in Stock
More Options & Item Details
ID:
521025
Weight:
7.32ct
Size:
15.2 x 9.4 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
175.68
Item in Stock
More Options & Item Details
ID:
639271
Weight:
108.70ct
Size:
31.6 x 27.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
913.08
Item in Stock
More Options & Item Details
ID:
458415
Weight:
4.84ct
Size:
15 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
40.66
Item in Stock
More Options & Item Details
ID:
461393
Weight:
2.02ct (total)
Size:
4.6 x 3.7 mm
Clarity:
VS
Content:
5 pcs
Price:
$
266.64
Item in Stock
More Options & Item Details
ID:
554869
Weight:
1.26ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
24.95
Item in Stock
More Options & Item Details
ID:
489716
Weight:
2.45ct (total)
Size:
4.5 mm (calibrated)
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
48.52
Item in Stock
More Options & Item Details
ID:
430292
Weight:
5.04ct
Size:
13 x 9 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
13.10
Item in Stock
More Options & Item Details
ID:
561055
Weight:
3.57ct
Size:
11 x 9 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
188.50
Item in Stock
More Options & Item Details
ID:
471279
Weight:
35.89ct
Size:
32.1 x 23 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
37.90
Item in Stock
More Options & Item Details
ID:
479463
Weight:
1.74ct (total)
Size:
10 x 5 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
18.37
Item in Stock
More Options & Item Details
ID:
534175
Weight:
2.02ct
Size:
9 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
13.18
Item in Stock
More Options & Item Details
ID:
699732
Weight:
0.68ct
Size:
5.5 x 4.5 mm
Clarity:
SI
Content:
1 pc
Price:
$
40.80
Item in Stock
More Options & Item Details
ID:
548714
Weight:
25.41ct
Size:
23 x 17.3 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
40.25
Item in Stock
More Options & Item Details
ID:
676048
Weight:
4.57ct
Size:
11.3 x 9.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
27.42
Item in Stock
More Options & Item Details
ID:
346811
Weight:
1.96ct
Size:
16.9 x 4.1 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
85.38
Item in Stock
More Options & Item Details
ID:
599837
Weight:
9.16ct
Size:
16 x 12 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
40.99
Item in Stock
More Options & Item Details
ID:
682123
Weight:
9.08ct
Size:
16.3 x 13.1 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
87.17
Item in Stock
More Options & Item Details
ID:
635655
Weight:
1.18ct
Size:
8 x 8 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
33.98
Item in Stock
More Options & Item Details
ID:
498992
Weight:
1.46ct
Size:
10 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
13.49
Item in Stock
More Options & Item Details
ID:
435818
Weight:
13.08ct
Size:
16 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
42.82
Item in Stock
More Options & Item Details
ID:
401597
Weight:
1.85ct (total)
Size:
4.2 mm
Clarity:
VS
Content:
4 pcs
Price:
$
75.71
Item in Stock
More Options & Item Details
ID:
497302
Weight:
2.55ct
Size:
9 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
16.84
Item in Stock
More Options & Item Details
ID:
740685
Weight:
0.06ct
Size:
4 x 2.1 mm
Clarity:
VVS
Content:
1 pc
Price:
$
251.25
Item in Stock
More Options & Item Details
ID:
493665
Weight:
7.48ct (total)
Size:
10 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
26.66
Item in Stock
More Options & Item Details
ID:
736372
Weight:
41.68ct
Size:
36 x 17.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
39.18
Item in Stock
More Options & Item Details
ID:
739118
Weight:
1.19ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
10.71
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 -> 9
Will know more once order received
Posted By Jim in September, 2025
Source: Bizrate
Overall Rating -> 10
Very fast navigation and purchase, which is good. I need to strike while the iron is hot.
Posted By Tim G. in February, 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 -> 8
Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use
Posted By DrD in May, 2025
Source: Bizrate
Overall Rating -> 10
I found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar
Posted By TheP in January, 2025
Source: Bizrate
Overall Rating -> 9
I did not have any problems
Posted By Clilrichard 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 -> 9
I think therea's no problem
Posted By Napoleon in August, 2025
Source: Bizrate
Overall Rating -> 7
Okay thank you.
Posted By Bepc61 in March, 2025
Source: Bizrate