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:
367182
Weight:
7.39ct
Size:
14.1 x 9.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
50.24
Item in Stock
More Options & Item Details
ID:
684394
Weight:
1.38ct
Size:
7 x 7 mm (calibrated)
Clarity:
VVS-VS
Price:
$
13.25
Item in Stock
More Options & Item Details
ID:
553495
Weight:
1.96ct
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
11.80
Item in Stock
More Options & Item Details
ID:
602294
Weight:
2.83ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
26.15
Item in Stock
More Options & Item Details
ID:
715678
Weight:
0.79ct
Size:
11.9 x 2.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
50.24
Item in Stock
More Options & Item Details
ID:
493179
Weight:
1.33ct (total)
Size:
6.1 x 3.1 mm
Clarity:
VS
Content:
6 pcs
Price:
$
7.98
Item in Stock
More Options & Item Details
ID:
451221
Weight:
1.77ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
16.36
Item in Stock
More Options & Item Details
ID:
701305
Weight:
6.04ct
Size:
12.6 x 8.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
36.24
Item in Stock
More Options & Item Details
ID:
544431
Weight:
0.70ct
Size:
6.3 x 4.6 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
36.96
Item in Stock
More Options & Item Details
ID:
699108
Weight:
3.31ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
27.80
Item in Stock
More Options & Item Details
ID:
450769
Weight:
5.23ct
Size:
13.5 x 10 mm
Clarity:
VVS
Content:
1 pc
Price:
$
48.32
Item in Stock
More Options & Item Details
ID:
533983
Weight:
3.37ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
31.14
Item in Stock
More Options & Item Details
ID:
700722
Weight:
7.85ct
Size:
11 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
7.54
Item in Stock
More Options & Item Details
ID:
617911
Weight:
2.25ct
Size:
9 x 7 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
47.86
Item in Stock
More Options & Item Details
ID:
587796
Weight:
15.68ct
Size:
14 x 14 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
17.39
Item in Stock
More Options & Item Details
ID:
376857
Weight:
6.16ct (total)
Size:
7.2 x 6.1 mm
Clarity:
Transparent
Content:
4 pcs
Price:
$
43.54
Item in Stock
More Options & Item Details
ID:
472727
Weight:
5.07ct
Size:
20.1 x 12.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
13.32
Item in Stock
More Options & Item Details
ID:
391156
Weight:
21.08ct (total)
Size:
24.2 x 12.3 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
41.74
Item in Stock
More Options & Item Details
ID:
471194
Weight:
7.41ct
Size:
11 x 11 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
29.34
Item in Stock
More Options & Item Details
ID:
570035
Weight:
1.48ct
Size:
7 x 5 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
35.16
Item in Stock
More Options & Item Details
ID:
710246
Weight:
5.78ct
Size:
11.7 x 8.6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
183.80
Item in Stock
More Options & Item Details
ID:
713927
Weight:
2.20ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
18.48
Item in Stock
More Options & Item Details
ID:
719772
Weight:
0.63ct
Size:
5 x 4 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
11.34
Item in Stock
More Options & Item Details
ID:
711271
Weight:
17.72ct
Size:
21.4 x 15.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
35.30
Item in Stock
More Options & Item Details
ID:
348541
Weight:
1.88ct
Size:
18.6 x 3.9 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
62.04
Item in Stock
More Options & Item Details
ID:
683359
Weight:
6.28ct
Size:
12.7 x 11.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
58.18
Item in Stock
More Options & Item Details
ID:
690301
Weight:
19.67ct
Size:
22.8 x 21 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
76.01
Item in Stock
More Options & Item Details
ID:
526132
Weight:
7.16ct (total)
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
67.39
Item in Stock
More Options & Item Details
ID:
578041
Weight:
1.23ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
64.94
Item in Stock
More Options & Item Details
ID:
715814
Weight:
1.38ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
13.25
Item in Stock
More Options & Item Details
ID:
732114
Weight:
1.32ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
50.69
Item in Stock
More Options & Item Details
ID:
711844
Weight:
17.16ct
Size:
28.4 x 14.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
34.19
Item in Stock
More Options & Item Details
ID:
518276
Weight:
33.52ct
Size:
21.3 x 17.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
39.37
Item in Stock
More Options & Item Details
ID:
693345
Weight:
2.38ct
Size:
8.6 x 5.6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
78.91
Item in Stock
More Options & Item Details
ID:
622812
Weight:
3.18ct
Size:
10 x 8 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
49.07
Item in Stock
More Options & Item Details
ID:
482146
Weight:
25.74ct (total)
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
33.30
Item in Stock
More Options & Item Details
ID:
492631
Weight:
8.36ct (total)
Size:
14.1 x 9.6 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
60.47
Item in Stock
More Options & Item Details
ID:
407294
Weight:
7.88ct
Size:
15.2 x 12 mm
Clarity:
VS
Content:
1 pc
Price:
$
392.14
Item in Stock
More Options & Item Details
ID:
520880
Weight:
2.09ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
19.31
Item in Stock
More Options & Item Details
ID:
457534
Weight:
1.43ct
Size:
12.6 x 5.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
188.76
Item in Stock
More Options & Item Details
ID:
654810
Weight:
28.68ct
Size:
24.5 x 24.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
73.60
Item in Stock
More Options & Item Details
ID:
415888
Weight:
2.12ct
Size:
8.6 x 7 mm
Clarity:
VS
Content:
1 pc
Price:
$
99.22
Item in Stock
More Options & Item Details
ID:
619102
Weight:
2.73ct
Size:
13.1 x 8 mm
Clarity:
VVS
Content:
1 pc
Price:
$
12.55
Item in Stock
More Options & Item Details
ID:
390021
Weight:
2.00ct (total)
Size:
5.3 x 4.3 mm
Clarity:
VS
Content:
4 pcs
Price:
$
92.14
Item in Stock
More Options & Item Details
ID:
741428
Weight:
1.43ct
Size:
6.7 x 5.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
185.90
Item in Stock
More Options & Item Details
ID:
728228
Weight:
0.10ct
Size:
2.8 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
41.24
Item in Stock
More Options & Item Details
ID:
451236
Weight:
1.46ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
13.49
Item in Stock
More Options & Item Details
ID:
733768
Weight:
5.88ct (total)
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
53.14
Item in Stock
More Options & Item Details
ID:
490308
Weight:
1.32ct
Size:
6.6 x 6.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
125.46
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:
711006
Weight:
4.24ct
Size:
11 x 9 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
11.29
Item in Stock
More Options & Item Details
ID:
685888
Weight:
1.28ct
Size:
7.4 x 6 mm
Clarity:
VS
Content:
1 pc
Price:
$
23.57
Item in Stock
More Options & Item Details
ID:
492542
Weight:
11.40ct (total)
Size:
14 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
82.46
Item in Stock
More Options & Item Details
ID:
697697
Weight:
10.87ct (total)
Size:
15.1 x 9.1 mm
Clarity:
VVS
Content:
2 pcs
Price:
$
78.26
Item in Stock
More Options & Item Details
ID:
618051
Weight:
13.66ct (total)
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
36.06
Item in Stock
More Options & Item Details
ID:
740680
Weight:
0.06ct
Size:
4 x 2 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
251.25
Item in Stock
More Options & Item Details
ID:
537782
Weight:
0.97ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
12.80
Item in Stock
More Options & Item Details
ID:
699057
Weight:
3.25ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
27.30
Item in Stock
More Options & Item Details
ID:
735111
Weight:
1.17ct
Size:
8 x 6 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
70.20
Item in Stock
More Options & Item Details
ID:
707511
Weight:
3.73ct (total)
Size:
8 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
20.54
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 -> 9
I wish there were options for jewelry settings
Posted By Tim in May, 2025
Source: Bizrate
Overall Rating -> 10
I would recommend gem select yo everyone
Fast service and no problems
Posted By Steve in March, 2025
Source: Bizrate
Overall Rating -> 10
Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!
Posted By Britnee Rose in September, 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 -> 10
Muy serios y muy oportunos para el envo
Posted By Veronica in September, 2024
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
there are a large number of gems to choose from i have ordered before and these objects are precious to me that my light reflect in them and fills the stones they are there when i need to reflect on life
Posted By Kickbass.2 in January, 2025
Source: Bizrate
Overall Rating -> 10
Very professional site
Posted By JR in January, 2025
Source: Bizrate