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 (589)
Agate Geode (15)
Alexandrite (21)
Almandine Garnet (475)
Amazonite (259)
Amethyst (2866)
Amethyst Geode Slice (69)
Ametrine (163)
Andalusite (191)
Apatite (264)
Aquamarine (96)
Aragonite (24)
Aventurine (130)
Axinite (9)
Beryl (639)
Black Opal (6)
Bloodstone (190)
Boulder Opal (271)
Calcite (71)
Carnelian (21)
Cat's Eye Alexandrite (36)
Cat's Eye Apatite (29)
Cat's Eye Aquamarine (15)
Cat's Eye Beryl (3)
Cat's Eye Moonstone (29)
Cat's Eye Opal (166)
Cat's Eye Scapolite (78)
Cavansite (36)
Chalcedony (203)
Charoite (122)
Chocolate Opal (76)
Chrome Diopside (101)
Chrysoberyl (93)
Chrysoberyl Cat's Eye (55)
Chrysocolla (50)
Cinnabar (77)
Citrine (4362)
Clinohumite (30)
Color-Change Diaspore (834)
Color-Change Fluorite (47)
Color-Change Garnet (190)
Color-Change Sapphire (4)
Coral (253)
Demantoid Garnet (232)
Dendritic Agate (199)
Diamond (611)
Druzy Amethyst (3)
Druzy Azurite (13)
Druzy Citrine (44)
Druzy Variscite (130)
Emerald (1)
Enstatite (3)
Feather Pyrite (43)
Fire Agate (309)
Fire Opal (124)
Fluorite (160)
Fossil Coral (316)
Golden Beryl (142)
Grandidierite (170)
Grossularite Garnet (31)
Hematite (342)
Hemimorphite Druzy (46)
Hessonite Garnet (2137)
Hiddenite (10)
Howlite (133)
Idocrase (19)
Imperial Topaz (12)
Iolite (155)
Jade (68)
Jadeite (264)
Jasper (1332)
Kornerupine (211)
Kunzite (385)
Kyanite (731)
Labradorite (1174)
Lapis Lazuli (2)
Larimar (120)
Lazulite (10)
Lepidolite (27)
Malachite (179)
Malaya Garnet (103)
Mali Garnet (6)
Matrix Opal (16)
Maw-Sit-Sit (117)
Moldavite (5)
Moonstone (946)
Morganite (987)
Moss Agate (56)
Mother of Pearl (10)
Nuummite (115)
Obsidian (202)
Opal (889)
Peanut Wood (10)
Peridot (1413)
Pietersite (652)
Prehnite (790)
Psilomelane Dendrite (23)
Pyrite (6)
Pyrope Garnet (1664)
Quartz (64)
Quartz Cat's Eye (68)
Quartz With Hedenbergite (7)
Quartz With Marcasite (184)
Rainbow Moonstone (912)
Rainbow Pyrite (241)
Rhodochrosite (134)
Rhodolite Garnet (607)
Rhodonite (30)
Rose Quartz (663)
Rubellite Tourmaline (9)
Ruby (4)
Ruby in Fuchsite (90)
Ruby-Zoisite (209)
Rutile Quartz (496)
Sapphire (65)
Scolecite (29)
Seraphinite (41)
Serpentine (71)
Sillimanite (67)
Sillimanite Cat's Eye (376)
Smithsonite (1)
Smoky Quartz (919)
Snowflake Obsidian (21)
Sodalite (19)
Spectrolite (120)
Spessartite Garnet (452)
Sphalerite (345)
Sphene (574)
Spinel (942)
Star Diopside (177)
Star Garnet (112)
Star Moonstone (75)
Star Rose Quartz (22)
Star Ruby (1)
Star Sapphire (14)
Strawberry Quartz (1070)
Sunstone (522)
Tiger's Eye (776)
Tiger's Eye Matrix (274)
Topaz (459)
Tourmaline (2718)
Tsavorite Garnet (175)
Turquoise (90)
Uvarovite Garnet Drusy (80)
Variscite (4)
Zircon (771)
Clear All
ID:
525168
Weight:
1.62ct
Size:
7 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
272.16
Item in Stock
More Options & Item Details
ID:
370056
Weight:
1.76ct
Size:
21.9 x 3.2 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
45.25
Item in Stock
More Options & Item Details
ID:
711974
Weight:
2.28ct
Size:
10.1 x 6.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
6.07
Item in Stock
More Options & Item Details
ID:
640742
Weight:
1.45ct
Size:
6.8 x 6.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
9.58
Item in Stock
More Options & Item Details
ID:
463238
Weight:
4.03ct
Size:
14 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
31.92
Item in Stock
More Options & Item Details
ID:
713866
Weight:
19.73ct
Size:
20 x 15 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
165.73
Item in Stock
More Options & Item Details
ID:
691171
Weight:
0.58ct
Size:
5 x 4.5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
48.72
Item in Stock
More Options & Item Details
ID:
461630
Weight:
22.51ct
Size:
20 x 15 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
35.65
Item in Stock
More Options & Item Details
ID:
393995
Weight:
1.06ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
52.76
Item in Stock
More Options & Item Details
ID:
729872
Weight:
1.08ct
Size:
6.7 x 6.5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
181.44
Item in Stock
More Options & Item Details
ID:
456765
Weight:
1.80ct (total)
Size:
6.1 x 6.3 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
16.63
Item in Stock
More Options & Item Details
ID:
359876
Weight:
20.93ct
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
55.26
Item in Stock
More Options & Item Details
ID:
699275
Weight:
1.74ct
Size:
7 x 6 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
10.44
Item in Stock
More Options & Item Details
ID:
402387
Weight:
2.09ct (total)
Size:
4.5 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
85.52
Item in Stock
More Options & Item Details
ID:
435086
Weight:
17.08ct
Size:
27.9 x 14 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
22.55
Item in Stock
More Options & Item Details
ID:
435676
Weight:
6.72ct
Size:
15 x 11 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
22.01
Item in Stock
More Options & Item Details
ID:
499176
Weight:
2.00ct
Size:
12 x 4.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
396.00
Item in Stock
More Options & Item Details
ID:
385160
Weight:
7.08ct
Size:
21.6 x 11.9 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
63.74
Item in Stock
More Options & Item Details
ID:
707215
Weight:
1.45ct
Size:
8 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
3.48
Item in Stock
More Options & Item Details
ID:
611669
Weight:
1.46ct
Size:
6.3 x 5.9 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
9.64
Item in Stock
More Options & Item Details
ID:
460000
Weight:
4.27ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
35.87
Item in Stock
More Options & Item Details
ID:
500846
Weight:
7.50ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
52.84
Item in Stock
More Options & Item Details
ID:
713769
Weight:
0.92ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
15.46
Item in Stock
More Options & Item Details
ID:
609442
Weight:
24.47ct
Size:
30.9 x 20.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
32.30
Item in Stock
More Options & Item Details
ID:
700387
Weight:
0.75ct
Size:
5.5 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
45.00
Item in Stock
More Options & Item Details
ID:
608862
Weight:
9.60ct (total)
Size:
12 x 10 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
177.41
Item in Stock
More Options & Item Details
ID:
475874
Weight:
4.57ct
Size:
15 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
42.23
Item in Stock
More Options & Item Details
ID:
389217
Weight:
1.20ct
Size:
7.4 x 5.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
79.20
Item in Stock
More Options & Item Details
ID:
717925
Weight:
2.16ct (total)
Size:
6 x 4.9 mm
Clarity:
VVS
Content:
2 pcs
Price:
$
64.80
Item in Stock
More Options & Item Details
ID:
451383
Weight:
2.68ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
24.77
Item in Stock
More Options & Item Details
ID:
563793
Weight:
0.88ct
Size:
6.6 x 4.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
18.10
Item in Stock
More Options & Item Details
ID:
714815
Weight:
0.41ct
Size:
4.3 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
12.30
Item in Stock
More Options & Item Details
ID:
478102
Weight:
1.09ct
Size:
10.9 x 5.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
143.88
Item in Stock
More Options & Item Details
ID:
306486
Weight:
38.11ct
Size:
22 x 19.1 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
60.36
Item in Stock
More Options & Item Details
ID:
715591
Weight:
3.60ct
Size:
12 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
34.56
Item in Stock
More Options & Item Details
ID:
420142
Weight:
23.94ct
Size:
25.6 x 20.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
63.20
Item in Stock
More Options & Item Details
ID:
709374
Weight:
0.89ct
Size:
10.2 x 4.1 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
7.48
Item in Stock
More Options & Item Details
ID:
333907
Weight:
10.67ct
Size:
21.5 x 11.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
61.82
Item in Stock
More Options & Item Details
ID:
664036
Weight:
1.29ct
Size:
6 x 6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
27.86
Item in Stock
More Options & Item Details
ID:
601133
Weight:
3.35ct (total)
Size:
12.1 x 6 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
22.12
Item in Stock
More Options & Item Details
ID:
542755
Weight:
0.97ct
Size:
6 x 5.5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
43.27
Item in Stock
More Options & Item Details
ID:
680733
Weight:
1.21ct
Size:
7 x 5 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
36.30
Item in Stock
More Options & Item Details
ID:
721045
Weight:
0.46ct
Size:
8 x 4 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
3.86
Item in Stock
More Options & Item Details
ID:
492215
Weight:
7.04ct
Size:
16.8 x 14.2 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
26.48
Item in Stock
More Options & Item Details
ID:
701066
Weight:
0.85ct
Size:
5.5 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
51.00
Item in Stock
More Options & Item Details
ID:
671999
Weight:
11.53ct (total)
Size:
14 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
32.52
Item in Stock
More Options & Item Details
ID:
367068
Weight:
0.98ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
136.63
Item in Stock
More Options & Item Details
ID:
706623
Weight:
7.16ct
Size:
12.4 x 10.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
14.60
Item in Stock
More Options & Item Details
ID:
550586
Weight:
27.98ct (total)
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
42.11
Item in Stock
More Options & Item Details
ID:
718223
Weight:
0.74ct
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
22.20
Item in Stock
More Options & Item Details
ID:
682554
Weight:
0.49ct
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
7.35
Item in Stock
More Options & Item Details
ID:
715809
Weight:
0.35ct
Size:
4.4 x 3.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
22.26
Item in Stock
More Options & Item Details
ID:
467274
Weight:
1.72ct
Size:
11.4 x 7.4 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
90.82
Item in Stock
More Options & Item Details
ID:
459904
Weight:
4.24ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
39.18
Item in Stock
More Options & Item Details
ID:
438064
Weight:
0.93ct
Size:
17.1 x 2.8 mm
Clarity:
VVS
Content:
1 pc
Price:
$
30.70
Item in Stock
More Options & Item Details
ID:
657620
Weight:
1.95ct
Size:
10 x 7 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
2.34
Item in Stock
More Options & Item Details
ID:
323299
Weight:
20.21ct (total)
Size:
15 x 15 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
29.10
Item in Stock
More Options & Item Details
ID:
449695
Weight:
8.87ct (total)
Size:
8.4 x 7.1 mm
Clarity:
Transparent
Content:
4 pcs
Price:
$
58.55
Item in Stock
More Options & Item Details
ID:
732982
Weight:
0.94ct
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
22.56
Item in Stock
More Options & Item Details
ID:
683062
Weight:
16.77ct (total)
Size:
13.7 x 11 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
100.62
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
All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.
Posted By Bob D in December, 2025
Source: Bizrate
Overall Rating -> 10
Great selection of gems at a reasonable price
Posted By Curt in July, 2025
Source: Bizrate
Overall Rating -> 10
My whole experience is great.
Posted By Ghs in November, 2025
Source: Bizrate
Overall Rating -> 10
I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!
Posted By Geof in November, 2025
Source: Bizrate
Overall Rating -> 10
the selection is good as are the prices
Posted By Old man in August, 2025
Source: Bizrate
Overall Rating -> 9
I think therea's no problem
Posted By Napoleon in August, 2025
Source: Bizrate
Overall Rating -> 10
Very good
Hoping you will increase your inventory especially in the 6mm
Thanks
Posted By Ibie in February, 2025
Source: Bizrate
Overall Rating -> 9
Nothing bad to report. Everything is as expected. The gems and the price are all very good.
Posted By Dafanatic in August, 2025
Source: Bizrate
Overall Rating -> 9
Very easy to navigate with a great selection.
Posted By Bar181 in August, 2025
Source: Bizrate