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 (562)
Agate Geode (15)
Alexandrite (24)
Almandine Garnet (402)
Amazonite (273)
Amethyst (2924)
Amethyst Geode Slice (70)
Ametrine (146)
Andalusite (189)
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 (214)
Charoite (119)
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 (230)
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 (625)
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 (481)
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 (937)
Snowflake Obsidian (23)
Sodalite (21)
Spectrolite (121)
Spessartite Garnet (454)
Sphalerite (348)
Sphene (578)
Spinel (955)
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 (775)
Tiger's Eye Matrix (277)
Topaz (470)
Tourmaline (2664)
Tsavorite Garnet (184)
Turquoise (92)
Uvarovite Garnet Drusy (68)
Variscite (5)
Zircon (779)
Clear All
ID:
725300
Weight:
23.63ct
Size:
25.8 x 17.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
85.07
Item in Stock
More Options & Item Details
ID:
551151
Weight:
34.79ct (total)
Size:
22.6 x 16.1 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
52.36
Item in Stock
More Options & Item Details
ID:
514795
Weight:
2.06ct
Size:
8.6 x 7.1 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
35.35
Item in Stock
More Options & Item Details
ID:
731125
Weight:
19.65ct
Size:
6 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
24.05
Item in Stock
More Options & Item Details
ID:
594080
Weight:
1.49ct
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
27.04
Item in Stock
More Options & Item Details
ID:
559281
Weight:
2.16ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
44.34
Item in Stock
More Options & Item Details
ID:
485277
Weight:
5.53ct (total)
Size:
10.4 x 10.1 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
29.20
Item in Stock
More Options & Item Details
ID:
446058
Weight:
4.00ct
Size:
12.2 x 9.3 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
29.20
Item in Stock
More Options & Item Details
ID:
622763
Weight:
2.27ct
Size:
8 x 8 mm (calibrated)
Clarity:
VVS-VS
Price:
$
20.98
Item in Stock
More Options & Item Details
ID:
635364
Weight:
1.87ct
Size:
8 x 8 mm (calibrated)
Clarity:
VVS
Price:
$
15.71
Item in Stock
More Options & Item Details
Select
1
2
3
4
5
6
7
pcs 0 in Cart
ID:
599863
Weight:
23.89ct
Size:
28.9 x 16.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
17.98
Item in Stock
More Options & Item Details
ID:
550791
Weight:
46.16ct
Size:
39.1 x 16.4 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
73.12
Item in Stock
More Options & Item Details
ID:
375988
Weight:
3.36ct
Size:
9.9 x 7.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
26.03
Item in Stock
More Options & Item Details
ID:
730442
Weight:
0.27ct
Size:
5 x 3 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
12.96
Item in Stock
More Options & Item Details
ID:
686820
Weight:
6.10ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
7.32
Item in Stock
More Options & Item Details
ID:
476709
Weight:
48.91ct
Size:
42.6 x 26 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
41.32
Item in Stock
More Options & Item Details
ID:
720116
Weight:
0.79ct
Size:
6 x 4.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
76.04
Item in Stock
More Options & Item Details
ID:
543969
Weight:
2.06ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
41.44
Item in Stock
More Options & Item Details
ID:
693957
Weight:
1.81ct
Size:
6.6 x 6.5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
90.50
Item in Stock
More Options & Item Details
ID:
479554
Weight:
2.21ct (total)
Size:
10.1 x 5.1 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
23.34
Item in Stock
More Options & Item Details
ID:
744055
Weight:
1.48ct
Size:
8.7 x 4.6 mm
Clarity:
VVS
Content:
1 pc
Price:
$
399.60
Item in Stock
More Options & Item Details
ID:
685595
Weight:
0.07ct (total)
Size:
1.9 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
24.50
Item in Stock
More Options & Item Details
ID:
488066
Weight:
5.78ct
Size:
12 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
58.98
Item in Stock
More Options & Item Details
ID:
673295
Weight:
1.14ct
Size:
7.2 x 5.2 mm
Clarity:
SI
Content:
1 pc
Price:
$
27.36
Item in Stock
More Options & Item Details
ID:
461255
Weight:
3.49ct
Size:
10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
32.24
Item in Stock
More Options & Item Details
ID:
413707
Weight:
13.41ct
Size:
15 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
442.54
Item in Stock
More Options & Item Details
ID:
527951
Weight:
1.04ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
27.46
Item in Stock
More Options & Item Details
ID:
566200
Weight:
1.09ct
Size:
6.6 x 4.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
24.80
Item in Stock
More Options & Item Details
ID:
432814
Weight:
1.90ct
Size:
7.5 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
32.10
Item in Stock
More Options & Item Details
ID:
499419
Weight:
2.00ct (total)
Size:
7.3 x 5 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
7.92
Item in Stock
More Options & Item Details
ID:
545741
Weight:
1.42ct
Size:
11 x 7.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
56.23
Item in Stock
More Options & Item Details
ID:
675436
Weight:
3.17ct
Size:
14 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
9.01
Item in Stock
More Options & Item Details
ID:
552955
Weight:
1.73ct
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
10.42
Item in Stock
More Options & Item Details
ID:
399579
Weight:
30.50ct (total)
Size:
35.2 x 14.5 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
58.37
Item in Stock
More Options & Item Details
ID:
656081
Weight:
1.15ct
Size:
7 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
27.60
Item in Stock
More Options & Item Details
ID:
427047
Weight:
8.71ct
Size:
15 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
261.30
Item in Stock
More Options & Item Details
ID:
682710
Weight:
0.27ct (total)
Size:
3 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
154.75
Item in Stock
More Options & Item Details
ID:
391873
Weight:
24.06ct (total)
Size:
33.5 x 12.1 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
47.64
Item in Stock
More Options & Item Details
ID:
721631
Weight:
19.53ct
Size:
17.1 x 15.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
23.44
Item in Stock
More Options & Item Details
ID:
500976
Weight:
6.05ct
Size:
12 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
55.91
Item in Stock
More Options & Item Details
ID:
427324
Weight:
1.25ct
Size:
9 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
13.20
Item in Stock
More Options & Item Details
ID:
699653
Weight:
1.43ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
13.73
Item in Stock
More Options & Item Details
ID:
462263
Weight:
4.41ct
Size:
11 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
34.93
Item in Stock
More Options & Item Details
ID:
648294
Weight:
0.92ct
Size:
8 x 6 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
33.12
Item in Stock
More Options & Item Details
ID:
481473
Weight:
33.43ct
Size:
32.4 x 21 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
23.83
Item in Stock
More Options & Item Details
ID:
345949
Weight:
16.45ct
Size:
16.4 x 13.9 mm
Clarity:
Transparent/Translucent
Content:
1 pc
Price:
$
28.22
Item in Stock
More Options & Item Details
ID:
504910
Weight:
8.50ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
56.10
Item in Stock
More Options & Item Details
ID:
711053
Weight:
57.49ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
103.49
Item in Stock
More Options & Item Details
ID:
697423
Weight:
29.33ct
Size:
22.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
20.06
Item in Stock
More Options & Item Details
ID:
728151
Weight:
3.42ct
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
8.21
Item in Stock
More Options & Item Details
ID:
466126
Weight:
3.92ct (total)
Size:
12.1 x 6 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
41.40
Item in Stock
More Options & Item Details
ID:
697652
Weight:
34.29ct
Size:
27.3 x 18.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
23.46
Item in Stock
More Options & Item Details
ID:
470673
Weight:
7.82ct
Size:
13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
25.81
Item in Stock
More Options & Item Details
ID:
608817
Weight:
4.80ct
Size:
12 x 10 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
44.35
Item in Stock
More Options & Item Details
ID:
390745
Weight:
2.22ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VS
Content:
5 pcs
Price:
$
143.42
Item in Stock
More Options & Item Details
ID:
705606
Weight:
0.39ct
Size:
5 x 4 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
15.91
Item in Stock
More Options & Item Details
ID:
643805
Weight:
1.27ct
Size:
7 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
10.67
Item in Stock
More Options & Item Details
ID:
679243
Weight:
11.23ct
Size:
18.3 x 12.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
67.38
Item in Stock
More Options & Item Details
ID:
462368
Weight:
1.95ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
Transparent
Content:
4 pcs
Price:
$
102.96
Item in Stock
More Options & Item Details
ID:
663118
Weight:
4.47ct
Size:
12.2 x 9.6 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
10.73
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
Very good Hoping you will increase your inventory especially in the 6mmThanks
Posted By Ibie in February, 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 -> 8
The website was nice and I bought some gems
Posted By Jay in December, 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
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
I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!
Posted By Leo in March, 2025
Source: Bizrate
Overall Rating -> 10
My experience was done with ease
Posted By Barb in October, 2025
Source: Bizrate
Overall Rating -> 10
The stones are very nice.
Posted By Mvk in August, 2025
Source: Bizrate
Overall Rating -> 10
I am filling a small treasure chest and picked a nice amethyst.
Posted By VinnyD in August, 2025
Source: Bizrate