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 (561)
Agate Geode (15)
Alexandrite (24)
Almandine Garnet (400)
Amazonite (272)
Amethyst (2925)
Amethyst Geode Slice (70)
Ametrine (146)
Andalusite (188)
Apatite (270)
Aquamarine (109)
Aragonite (26)
Aventurine (132)
Axinite (10)
Beryl (580)
Black Opal (6)
Bloodstone (206)
Boulder Opal (239)
Calcite (71)
Carnelian (24)
Cat's Eye Apatite (29)
Cat's Eye Aquamarine (15)
Cat's Eye Beryl (3)
Cat's Eye Moonstone (31)
Cat's Eye Opal (144)
Cat's Eye Scapolite (78)
Cavansite (36)
Chalcedony (216)
Charoite (118)
Chocolate Opal (76)
Chrome Diopside (110)
Chrysoberyl (92)
Chrysoberyl Cat's Eye (53)
Chrysocolla (50)
Chrysoprase (8)
Cinnabar (78)
Citrine (4436)
Clinohumite (30)
Color-Change Diaspore (850)
Color-Change Fluorite (52)
Color-Change Garnet (193)
Coral (266)
Demantoid Garnet (229)
Dendritic Agate (198)
Diamond (602)
Druzy Amethyst (3)
Druzy Azurite (13)
Druzy Citrine (45)
Druzy Variscite (130)
Emerald (1)
Enstatite (3)
Feather Pyrite (43)
Fire Agate (320)
Fire Opal (127)
Fluorite (170)
Fossil Coral (323)
Golden Beryl (148)
Grandidierite (172)
Grossularite Garnet (33)
Hematite (356)
Hemimorphite Druzy (46)
Hessonite Garnet (2154)
Hiddenite (10)
Howlite (133)
Idocrase (21)
Imperial Topaz (12)
Iolite (164)
Jade (68)
Jadeite (275)
Jasper (1335)
Kornerupine (213)
Kunzite (388)
Kyanite (738)
Labradorite (1198)
Lapis Lazuli (2)
Larimar (120)
Lazulite (10)
Lepidolite (27)
Malachite (185)
Malaya Garnet (105)
Mali Garnet (6)
Matrix Opal (16)
Maw-Sit-Sit (120)
Moldavite (7)
Moonstone (955)
Morganite (977)
Moss Agate (58)
Mother of Pearl (11)
Nuummite (115)
Obsidian (207)
Opal (893)
Peanut Wood (11)
Peridot (1430)
Pietersite (624)
Prehnite (792)
Psilomelane Dendrite (23)
Pyrite (11)
Pyrope Garnet (1686)
Quartz (65)
Quartz Cat's Eye (69)
Quartz With Hedenbergite (7)
Quartz With Marcasite (184)
Rainbow Moonstone (920)
Rainbow Pyrite (248)
Rhodochrosite (135)
Rhodolite Garnet (480)
Rhodonite (30)
Rose Quartz (678)
Rubellite Tourmaline (9)
Ruby (4)
Ruby in Fuchsite (90)
Ruby-Zoisite (212)
Rutile Quartz (500)
Sapphire (59)
Scolecite (29)
Seraphinite (43)
Serpentine (72)
Sillimanite (67)
Sillimanite Cat's Eye (379)
Smithsonite (1)
Smoky Quartz (938)
Snowflake Obsidian (23)
Sodalite (21)
Spectrolite (121)
Spessartite Garnet (454)
Sphalerite (348)
Sphene (576)
Spinel (956)
Star Diopside (175)
Star Garnet (115)
Star Moonstone (75)
Star Rose Quartz (22)
Star Ruby (1)
Star Sapphire (15)
Strawberry Quartz (1082)
Sunstone (525)
Tiger's Eye (774)
Tiger's Eye Matrix (277)
Topaz (470)
Tourmaline (2664)
Tsavorite Garnet (185)
Turquoise (91)
Uvarovite Garnet Drusy (68)
Variscite (5)
Zircon (779)
Clear All
ID:
650440
Weight:
22.94ct
Size:
30.1 x 19.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
64.69
Item in Stock
More Options & Item Details
ID:
670650
Weight:
0.34ct
Size:
3.8 x 3.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
12.24
Item in Stock
More Options & Item Details
ID:
445412
Weight:
9.83ct
Size:
14 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
325.43
Item in Stock
More Options & Item Details
ID:
635647
Weight:
1.25ct
Size:
8 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
36.00
Item in Stock
More Options & Item Details
ID:
519794
Weight:
23.43ct
Size:
16 x 16 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
27.53
Item in Stock
More Options & Item Details
ID:
737376
Weight:
2.09ct
Size:
9 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
94.05
Item in Stock
More Options & Item Details
ID:
546651
Weight:
2.56ct
Size:
8 x 8 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
20.44
Item in Stock
More Options & Item Details
ID:
658706
Weight:
20.39ct
Size:
18.3 x 15.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
29.86
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:
603060
Weight:
2.90ct
Size:
9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
38.28
Item in Stock
More Options & Item Details
ID:
477535
Weight:
1.77ct (total)
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
4 pcs
Price:
$
49.79
Item in Stock
More Options & Item Details
ID:
699598
Weight:
43.85ct
Size:
34.8 x 24.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
23.68
Item in Stock
More Options & Item Details
ID:
664693
Weight:
2.15ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
18.06
Item in Stock
More Options & Item Details
ID:
571007
Weight:
0.85ct (total)
Size:
5.9 x 4.2 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
7.86
Item in Stock
More Options & Item Details
ID:
362359
Weight:
2.20ct
Size:
16.3 x 4.1 mm
Clarity:
VVS
Content:
1 pc
Price:
$
72.60
Item in Stock
More Options & Item Details
ID:
534694
Weight:
3.47ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
27.48
Item in Stock
More Options & Item Details
ID:
317780
Weight:
2.31ct (total)
Size:
8 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
3 pcs
Price:
$
17.60
Item in Stock
More Options & Item Details
ID:
725316
Weight:
5.91ct
Size:
9.5 x 9.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
5.61
Item in Stock
More Options & Item Details
ID:
687083
Weight:
13.01ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
15.61
Item in Stock
More Options & Item Details
ID:
480838
Weight:
2.64ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
22.18
Item in Stock
More Options & Item Details
ID:
565976
Weight:
1.40ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
9.24
Item in Stock
More Options & Item Details
ID:
714357
Weight:
0.52ct
Size:
4.3 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
15.60
Item in Stock
More Options & Item Details
ID:
743060
Weight:
2.38ct
Size:
12 x 8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
107.10
Item in Stock
More Options & Item Details
ID:
725301
Weight:
17.65ct
Size:
23.8 x 14.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
63.54
Item in Stock
More Options & Item Details
ID:
731130
Weight:
6.01ct
Size:
17.3 x 14.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
7.36
Item in Stock
More Options & Item Details
ID:
482551
Weight:
3.04ct (total)
Size:
5 x 3 mm (calibrated)
Clarity:
VS
Content:
20 pcs
Price:
$
200.64
Item in Stock
More Options & Item Details
ID:
707917
Weight:
11.07ct
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
10.63
Item in Stock
More Options & Item Details
ID:
487961
Weight:
1.75ct (total)
Size:
8 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
9.24
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:
493971
Weight:
8.74ct
Size:
11.4 x 10.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
12.58
Item in Stock
More Options & Item Details
ID:
722149
Weight:
7.89ct
Size:
19.6 x 12.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
28.40
Item in Stock
More Options & Item Details
ID:
569231
Weight:
2.13ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
42.35
Item in Stock
More Options & Item Details
ID:
548410
Weight:
1.35ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
27.35
Item in Stock
More Options & Item Details
ID:
566695
Weight:
12.89ct
Size:
21 x 15.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
51.05
Item in Stock
More Options & Item Details
ID:
730426
Weight:
1.32ct
Size:
9 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
221.76
Item in Stock
More Options & Item Details
ID:
489703
Weight:
2.61ct (total)
Size:
4.5 mm (calibrated)
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
46.98
Item in Stock
More Options & Item Details
ID:
681882
Weight:
13.18ct
Size:
24 x 13.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
126.53
Item in Stock
More Options & Item Details
ID:
449924
Weight:
3.23ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
21.32
Item in Stock
More Options & Item Details
ID:
715455
Weight:
0.71ct
Size:
5.5 x 5.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
45.16
Item in Stock
More Options & Item Details
ID:
722807
Weight:
0.64ct
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
19.20
Item in Stock
More Options & Item Details
ID:
687844
Weight:
0.13ct
Size:
5 x 3 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
6.24
Item in Stock
More Options & Item Details
ID:
364065
Weight:
19.95ct
Size:
25 x 18 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
39.49
Item in Stock
More Options & Item Details
ID:
390520
Weight:
2.12ct (total)
Size:
4 x 3 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
136.45
Item in Stock
More Options & Item Details
ID:
602213
Weight:
1.42ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
13.12
Item in Stock
More Options & Item Details
ID:
457023
Weight:
1.95ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
18.02
Item in Stock
More Options & Item Details
ID:
458287
Weight:
1.25ct (total)
Size:
4.3 x 3.5 mm
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
165.00
Item in Stock
More Options & Item Details
ID:
714844
Weight:
11.82ct
Size:
14 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
30.64
Item in Stock
More Options & Item Details
ID:
464264
Weight:
4.05ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
37.43
Item in Stock
More Options & Item Details
ID:
431725
Weight:
2.69ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
28.37
Item in Stock
More Options & Item Details
ID:
708255
Weight:
1.79ct
Size:
7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
36.97
Item in Stock
More Options & Item Details
ID:
451257
Weight:
2.48ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
22.92
Item in Stock
More Options & Item Details
ID:
744492
Weight:
1.26ct
Size:
7.6 x 5.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
52.92
Item in Stock
More Options & Item Details
ID:
719771
Weight:
0.60ct
Size:
5 x 4 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
10.80
Item in Stock
More Options & Item Details
ID:
481636
Weight:
21.41ct
Size:
18.6 x 17.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
30.80
Item in Stock
More Options & Item Details
ID:
600428
Weight:
20.15ct (total)
Size:
16 x 12 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
90.17
Item in Stock
More Options & Item Details
ID:
608363
Weight:
2.85ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
SI
Content:
2 pcs
Price:
$
71.48
Item in Stock
More Options & Item Details
ID:
664553
Weight:
2.39ct
Size:
10.5 x 8.4 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
17.21
Item in Stock
More Options & Item Details
ID:
553142
Weight:
1.11ct
Size:
8 x 6 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
22.80
Item in Stock
More Options & Item Details
ID:
537145
Weight:
2.20ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
8.71
Item in Stock
More Options & Item Details
ID:
499553
Weight:
46.22ct
Size:
41.2 x 14.9 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
42.71
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
I love wide range of stones.
Always have my preference.
Posted By Ray in April, 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
went well
Posted By Doug in May, 2025
Source: Bizrate
Overall Rating -> 9
It is a good experience, it is easy to view the item, and easy to check out.
Posted By Neo in November, 2024
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 -> 9
I love the gems!
Posted By MM in April, 2025
Source: Bizrate
Overall Rating -> 10
Great selection. Maybe too great i kept adding and deleting stuff because i found better looking ones
Posted By Edsor works in October, 2025
Source: Bizrate
Overall Rating -> 10
selection was broad and the check out was quick. Great site
Posted By JC Karl in September, 2025
Source: Bizrate
Overall Rating -> 10
It was easy to find what I wanted
Posted By Villian in December, 2024
Source: Bizrate