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 (166)
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 (37)
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 (6)
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 (989)
Moss Agate (56)
Mother of Pearl (10)
Nuummite (115)
Obsidian (204)
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 (609)
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 (944)
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 (2722)
Tsavorite Garnet (175)
Turquoise (90)
Uvarovite Garnet Drusy (80)
Variscite (4)
Zircon (771)
Clear All
ID:
454456
Weight:
1.35ct
Size:
12.9 x 3.5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
57.02
Item in Stock
More Options & Item Details
ID:
491187
Weight:
8.00ct
Size:
18.4 x 9.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
23.54
Item in Stock
More Options & Item Details
ID:
681726
Weight:
0.98ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
17.64
Item in Stock
More Options & Item Details
ID:
600541
Weight:
2.39ct
Size:
9 x 7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
20.08
Item in Stock
More Options & Item Details
ID:
719002
Weight:
0.97ct
Size:
5.9 x 4.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
17.46
Item in Stock
More Options & Item Details
ID:
732952
Weight:
3.55ct
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
32.08
Item in Stock
More Options & Item Details
ID:
386414
Weight:
4.95ct
Size:
20 x 9.9 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
44.04
Item in Stock
More Options & Item Details
ID:
454464
Weight:
1.30ct
Size:
9.4 x 4.3 mm
Clarity:
VVS
Content:
1 pc
Price:
$
54.91
Item in Stock
More Options & Item Details
ID:
533714
Weight:
2.71ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
25.04
Item in Stock
More Options & Item Details
ID:
742131
Weight:
3.43ct
Size:
12 x 8 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
34.30
Item in Stock
More Options & Item Details
ID:
448141
Weight:
3.57ct (total)
Size:
8 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
18.85
Item in Stock
More Options & Item Details
ID:
635363
Weight:
2.11ct
Size:
8 x 8 mm (calibrated)
Clarity:
VVS
Price:
$
17.72
Item in Stock
More Options & Item Details
Select
1
2
3
pcs 0 in Cart
ID:
681993
Weight:
10.97ct
Size:
19.8 x 10.8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
105.31
Item in Stock
More Options & Item Details
ID:
707161
Weight:
4.60ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
11.04
Item in Stock
More Options & Item Details
ID:
614741
Weight:
1.50ct
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
52.03
Item in Stock
More Options & Item Details
ID:
604054
Weight:
30.38ct
Size:
32 x 20.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
32.08
Item in Stock
More Options & Item Details
ID:
364099
Weight:
16.08ct
Size:
22.2 x 16.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
42.46
Item in Stock
More Options & Item Details
ID:
491464
Weight:
58.69ct
Size:
42.5 x 27.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
94.37
Item in Stock
More Options & Item Details
ID:
419117
Weight:
6.51ct
Size:
13.4 x 11.8 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
34.37
Item in Stock
More Options & Item Details
ID:
648835
Weight:
2.80ct
Size:
13 x 9 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
23.52
Item in Stock
More Options & Item Details
ID:
685884
Weight:
0.83ct
Size:
6.3 x 4.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
15.28
Item in Stock
More Options & Item Details
ID:
697878
Weight:
1.02ct
Size:
6.6 x 5.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
6.12
Item in Stock
More Options & Item Details
ID:
744681
Weight:
1.81ct
Size:
10 x 5 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
81.45
Item in Stock
More Options & Item Details
ID:
712699
Weight:
4.78ct
Size:
12 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
12.73
Item in Stock
More Options & Item Details
ID:
460695
Weight:
2.78ct
Size:
9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
25.69
Item in Stock
More Options & Item Details
ID:
568301
Weight:
3.92ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
37.62
Item in Stock
More Options & Item Details
ID:
684038
Weight:
0.47ct (total)
Size:
4 x 3.2 mm
Clarity:
VS
Content:
2 pcs
Price:
$
19.74
Item in Stock
More Options & Item Details
ID:
722774
Weight:
1.07ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
32.10
Item in Stock
More Options & Item Details
ID:
645964
Weight:
15.56ct
Size:
22.3 x 18.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
8.77
Item in Stock
More Options & Item Details
ID:
553720
Weight:
2.18ct
Size:
9.2 x 6.3 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
49.26
Item in Stock
More Options & Item Details
ID:
555626
Weight:
1.24ct
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
42.72
Item in Stock
More Options & Item Details
ID:
699611
Weight:
0.53ct
Size:
4.5 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
31.80
Item in Stock
More Options & Item Details
ID:
478049
Weight:
4.82ct
Size:
15 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
44.16
Item in Stock
More Options & Item Details
ID:
742611
Weight:
1.98ct (total)
Size:
5.2 x 3.7 mm
Clarity:
VS
Content:
3 pcs
Price:
$
66.00
Item in Stock
More Options & Item Details
ID:
521414
Weight:
28.28ct
Size:
26.2 x 15 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
142.60
Item in Stock
More Options & Item Details
ID:
464308
Weight:
3.67ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
33.91
Item in Stock
More Options & Item Details
ID:
438025
Weight:
1.13ct
Size:
17.8 x 2.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
37.30
Item in Stock
More Options & Item Details
ID:
456459
Weight:
2.99ct
Size:
12.1 x 8.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
27.62
Item in Stock
More Options & Item Details
ID:
712825
Weight:
12.67ct
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
33.76
Item in Stock
More Options & Item Details
ID:
678381
Weight:
10.77ct
Size:
22.4 x 18.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
13.31
Item in Stock
More Options & Item Details
ID:
696053
Weight:
0.58ct
Size:
5 x 4 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
20.88
Item in Stock
More Options & Item Details
ID:
732555
Weight:
6.86ct
Size:
12.4 x 9.3 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
246.96
Item in Stock
More Options & Item Details
ID:
645308
Weight:
32.66ct
Size:
32.8 x 22 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
19.60
Item in Stock
More Options & Item Details
ID:
744808
Weight:
2.86ct
Size:
13.6 x 7.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
14.30
Item in Stock
More Options & Item Details
ID:
719023
Weight:
0.64ct
Size:
5 x 4 mm (calibrated)
Clarity:
VVS
Price:
$
11.52
Item in Stock
More Options & Item Details
ID:
498324
Weight:
1.19ct
Size:
9.9 x 5.1 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
12.56
Item in Stock
More Options & Item Details
ID:
621524
Weight:
2.06ct
Size:
8.6 x 6.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
39.38
Item in Stock
More Options & Item Details
ID:
324058
Weight:
3.72ct (total)
Size:
8 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
5 pcs
Price:
$
30.94
Item in Stock
More Options & Item Details
ID:
687114
Weight:
5.90ct
Size:
21.7 x 7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
17.41
Item in Stock
More Options & Item Details
ID:
554031
Weight:
24.36ct
Size:
16x16 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
29.58
Item in Stock
More Options & Item Details
ID:
524593
Weight:
1.21ct
Size:
6.5 x 6.1 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
145.20
Item in Stock
More Options & Item Details
ID:
602715
Weight:
0.94ct
Size:
6 mm (calibrated)
Clarity:
SI-I1
Content:
1 pc
Price:
$
31.02
Item in Stock
More Options & Item Details
ID:
658353
Weight:
4.38ct
Size:
18.4 x 8.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
15.77
Item in Stock
More Options & Item Details
ID:
564201
Weight:
1.20ct
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
18.29
Item in Stock
More Options & Item Details
ID:
743189
Weight:
1.75ct
Size:
6.8 x 6.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
210.00
Item in Stock
More Options & Item Details
ID:
489266
Weight:
6.40ct
Size:
14.4 x 11 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
65.82
Item in Stock
More Options & Item Details
ID:
585508
Weight:
0.68ct
Size:
5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
18.70
Item in Stock
More Options & Item Details
ID:
610320
Weight:
5.64ct
Size:
21.7 x 8.8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
7.44
Item in Stock
More Options & Item Details
ID:
398178
Weight:
1.04ct
Size:
13.9 x 3.2 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
27.46
Item in Stock
More Options & Item Details
ID:
686066
Weight:
0.25ct
Size:
4 x 3.1 mm
Clarity:
VVS
Content:
1 pc
Price:
$
16.50
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
Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.
Posted By Sal in July, 2025
Source: Bizrate
Overall Rating -> 9
the gems were smaller than I thought but I was at fault for not reading the complete discrimination
Posted By Tim in May, 2025
Source: Bizrate
Overall Rating -> 10
My experience was done with ease
Posted By Barb in October, 2025
Source: Bizrate
Overall Rating -> 10
The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.
Posted By Jen in December, 2025
Source: Bizrate
Overall Rating -> 10
A pleasant experience and many choices to choose from
Posted By Krackenking in November, 2025
Source: Bizrate
Overall Rating -> 10
I love the quality, package and info of your gems.
Posted By Diana in April, 2025
Source: Bizrate
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
Took a chance on purchasing my gemstones from Gemselect and was impressed. 10/10
Posted By KT in September, 2025
Source: Bizrate
Overall Rating -> 10
Great for buying gemstones, came with authenticity certs. Will buy again someday!
Posted By Uggadugga in May, 2025
Source: Bizrate