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:
549151
Weight:
4.83ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
44.63
Item in Stock
More Options & Item Details
ID:
726058
Weight:
0.39ct
Size:
5 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
3.74
Item in Stock
More Options & Item Details
ID:
699608
Weight:
0.47ct
Size:
4.7 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
28.20
Item in Stock
More Options & Item Details
ID:
690567
Weight:
51.18ct
Size:
35.5 x 21.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
56.51
Item in Stock
More Options & Item Details
ID:
479413
Weight:
2.44ct (total)
Size:
10.2 x 5 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
25.76
Item in Stock
More Options & Item Details
ID:
737548
Weight:
9.27ct
Size:
12 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
55.62
Item in Stock
More Options & Item Details
ID:
550584
Weight:
28.47ct (total)
Size:
18.8 x 11.1 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
42.85
Item in Stock
More Options & Item Details
ID:
712483
Weight:
4.62ct
Size:
11 x 9 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
12.31
Item in Stock
More Options & Item Details
ID:
685177
Weight:
9.76ct
Size:
17.7 x 9.8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
10.44
Item in Stock
More Options & Item Details
ID:
691877
Weight:
0.59ct
Size:
5 mm (calibrated)
Clarity:
SI-I1
Content:
1 pc
Price:
$
35.40
Item in Stock
More Options & Item Details
ID:
733060
Weight:
0.48ct
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
4.03
Item in Stock
More Options & Item Details
ID:
656214
Weight:
1.46ct
Size:
7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
35.04
Item in Stock
More Options & Item Details
ID:
599841
Weight:
42.85ct
Size:
34.5 x 23.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
32.23
Item in Stock
More Options & Item Details
ID:
692352
Weight:
21.90ct
Size:
20 x 15 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
183.96
Item in Stock
More Options & Item Details
ID:
473418
Weight:
11.84ct
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
31.26
Item in Stock
More Options & Item Details
ID:
613891
Weight:
13.35ct
Size:
20.1 x 10.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
52.87
Item in Stock
More Options & Item Details
ID:
567457
Weight:
0.23ct (total)
Size:
3 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
495.40
Item in Stock
More Options & Item Details
ID:
521728
Weight:
16.81ct
Size:
18.2 x 18.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
17.08
Item in Stock
More Options & Item Details
ID:
546658
Weight:
3.65ct
Size:
9 x 9 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
28.91
Item in Stock
More Options & Item Details
ID:
719802
Weight:
0.94ct
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
16.92
Item in Stock
More Options & Item Details
ID:
720854
Weight:
1.05ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
8.82
Item in Stock
More Options & Item Details
ID:
427340
Weight:
2.48ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
16.37
Item in Stock
More Options & Item Details
ID:
394839
Weight:
12.51ct
Size:
15 x 15 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
49.54
Item in Stock
More Options & Item Details
ID:
693203
Weight:
34.68ct
Size:
27.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
19.14
Item in Stock
More Options & Item Details
ID:
728030
Weight:
0.76ct
Size:
5.8 x 4.8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
4.56
Item in Stock
More Options & Item Details
ID:
639070
Weight:
1.39ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
34.86
Item in Stock
More Options & Item Details
ID:
493343
Weight:
6.60ct
Size:
11 x 9 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
9.49
Item in Stock
More Options & Item Details
ID:
423132
Weight:
33.37ct (total)
Size:
9 mm (calibrated)
Clarity:
Transparent
Content:
6 pcs
Price:
$
44.05
Item in Stock
More Options & Item Details
ID:
471426
Weight:
23.78ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
19.45
Item in Stock
More Options & Item Details
ID:
402842
Weight:
1.26ct
Size:
9 x 5.4 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
170.59
Item in Stock
More Options & Item Details
ID:
727362
Weight:
0.64ct
Size:
6 x 4 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
11.52
Item in Stock
More Options & Item Details
ID:
315330
Weight:
1.75ct
Size:
10.6 x 8.4 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
97.02
Item in Stock
More Options & Item Details
ID:
450966
Weight:
1.47ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
13.58
Item in Stock
More Options & Item Details
ID:
734726
Weight:
2.92ct
Size:
10 x 8 mm (calibrated)
Clarity:
VVS-VS
Price:
$
102.20
Item in Stock
More Options & Item Details
ID:
661986
Weight:
1.84ct
Size:
8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
15.46
Item in Stock
More Options & Item Details
ID:
564232
Weight:
2.93ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Price:
$
19.34
Item in Stock
More Options & Item Details
ID:
409221
Weight:
12.85ct
Size:
15.2 x 11.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
339.24
Item in Stock
More Options & Item Details
ID:
686058
Weight:
0.20ct
Size:
3.4 x 3.4 mm
Clarity:
VVS
Content:
1 pc
Price:
$
13.20
Item in Stock
More Options & Item Details
ID:
710405
Weight:
1.02ct
Size:
6.6 x 4.9 mm
Clarity:
VVS
Content:
1 pc
Price:
$
18.28
Item in Stock
More Options & Item Details
ID:
446629
Weight:
5.21ct
Size:
14.3 x 10.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
17.18
Item in Stock
More Options & Item Details
ID:
551619
Weight:
0.88ct
Size:
7 x 5 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
3.31
Item in Stock
More Options & Item Details
ID:
696592
Weight:
50.46ct
Size:
38.3 x 23.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
90.83
Item in Stock
More Options & Item Details
ID:
382186
Weight:
3.49ct (total)
Size:
3.5 mm (calibrated)
Clarity:
VS
Content:
20 pcs
Price:
$
184.87
Item in Stock
More Options & Item Details
ID:
526865
Weight:
0.97ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
8.96
Item in Stock
More Options & Item Details
ID:
556865
Weight:
3.08ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
25.78
Item in Stock
More Options & Item Details
ID:
475665
Weight:
7.18ct
Size:
16 x 12 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
66.35
Item in Stock
More Options & Item Details
ID:
456418
Weight:
2.90ct
Size:
12 x 8.5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
26.80
Item in Stock
More Options & Item Details
ID:
686068
Weight:
0.19ct (total)
Size:
2.7 x 2.6 mm
Clarity:
VS
Content:
2 pcs
Price:
$
9.12
Item in Stock
More Options & Item Details
ID:
694314
Weight:
0.78ct
Size:
11 x 3.4 mm
Clarity:
VVS
Content:
1 pc
Price:
$
23.40
Item in Stock
More Options & Item Details
ID:
543847
Weight:
2.19ct
Size:
9 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
14.46
Item in Stock
More Options & Item Details
ID:
685683
Weight:
2.03ct
Size:
9 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
37.37
Item in Stock
More Options & Item Details
ID:
418374
Weight:
5.37ct
Size:
12 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
25.78
Item in Stock
More Options & Item Details
ID:
691469
Weight:
0.64ct
Size:
5 mm (calibrated)
Clarity:
SI-I1
Content:
1 pc
Price:
$
38.40
Item in Stock
More Options & Item Details
ID:
659825
Weight:
0.97ct
Size:
9 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
2.33
Item in Stock
More Options & Item Details
ID:
524014
Weight:
25.26ct
Size:
25.2 x 18.8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
200.06
Item in Stock
More Options & Item Details
ID:
453464
Weight:
1.16ct
Size:
8 x 5.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
63.80
Item in Stock
More Options & Item Details
ID:
663115
Weight:
4.71ct
Size:
12 x 10 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
11.30
Item in Stock
More Options & Item Details
ID:
727212
Weight:
0.61ct
Size:
8 x 5 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
18.30
Item in Stock
More Options & Item Details
ID:
312012
Weight:
3.24ct (total)
Size:
3.2 x 3.2 mm
Clarity:
Transparent
Content:
20 pcs
Price:
$
72.71
Item in Stock
More Options & Item Details
ID:
705648
Weight:
5.75ct
Size:
11 x 9 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
5.32
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
Great website, no hassle, easy check out and found everything I needed quickly
Posted By Chris in September, 2024
Source: Bizrate
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 -> 10
I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.
Posted By Desertchick in March, 2025
Source: Bizrate
Overall Rating -> 10
It was easy to find what I wanted
Posted By Villian in December, 2024
Source: Bizrate
Overall Rating -> 10
Great selection of gems at a reasonable price
Posted By Curt in July, 2025
Source: Bizrate
Overall Rating -> 10
Good products
Posted By Brave in October, 2024
Source: Bizrate
Overall Rating -> 10
Easy to conduct search, good amount of stock to select from along with variety of prices.
Posted By Que in June, 2025
Source: Bizrate
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
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