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 (2926)
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 (4437)
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 (482)
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 (578)
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 (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:
700718
Weight:
26.61ct
Size:
15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
25.55
Item in Stock
More Options & Item Details
ID:
716355
Weight:
2.41ct
Size:
10 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
23.14
Item in Stock
More Options & Item Details
ID:
688389
Weight:
4.94ct
Size:
10.8 x 8.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
5.93
Item in Stock
More Options & Item Details
ID:
484261
Weight:
4.50ct (total)
Size:
7.9 x 5.6 mm
Clarity:
VS
Content:
4 pcs
Price:
$
59.40
Item in Stock
More Options & Item Details
ID:
682510
Weight:
0.90ct
Size:
6.8 x 4.8 mm
Clarity:
VVS
Content:
1 pc
Price:
$
16.20
Item in Stock
More Options & Item Details
ID:
393359
Weight:
1.98ct (total)
Size:
3.8 x 1.8 mm
Clarity:
VS
Content:
20 pcs
Price:
$
143.75
Item in Stock
More Options & Item Details
ID:
724720
Weight:
0.52ct
Size:
6 x 4 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
15.60
Item in Stock
More Options & Item Details
ID:
499039
Weight:
1.55ct (total)
Size:
5.3 x 4.1 mm
Clarity:
VS-SI
Content:
3 pcs
Price:
$
204.60
Item in Stock
More Options & Item Details
ID:
674967
Weight:
0.87ct (total)
Size:
8 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
6.26
Item in Stock
More Options & Item Details
ID:
233240
Weight:
20.82ct
Size:
23.7 x 14.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
68.71
Item in Stock
More Options & Item Details
ID:
721017
Weight:
23.56ct
Size:
26.9 x 18.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
28.27
Item in Stock
More Options & Item Details
ID:
389483
Weight:
3.06ct (total)
Size:
8.6 x 6.3 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
20.20
Item in Stock
More Options & Item Details
ID:
548403
Weight:
1.34ct
Size:
9 x 7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
402.00
Item in Stock
More Options & Item Details
ID:
602875
Weight:
3.40ct
Size:
12 x 10 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
31.42
Item in Stock
More Options & Item Details
ID:
447502
Weight:
41.61ct
Size:
16.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
109.85
Item in Stock
More Options & Item Details
ID:
710398
Weight:
5.36ct
Size:
21 x 8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
15.62
Item in Stock
More Options & Item Details
ID:
534125
Weight:
1.53ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Price:
$
14.14
Item in Stock
More Options & Item Details
ID:
577337
Weight:
9.60ct
Size:
16 x 12 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
74.00
Item in Stock
More Options & Item Details
ID:
718545
Weight:
6.17ct
Size:
12 x 12 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
27.77
Item in Stock
More Options & Item Details
ID:
685314
Weight:
0.93ct (total)
Size:
5 x 4 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
39.06
Item in Stock
More Options & Item Details
ID:
662846
Weight:
4.21ct
Size:
12 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
10.10
Item in Stock
More Options & Item Details
ID:
678877
Weight:
9.98ct
Size:
21.9 x 14 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
59.88
Item in Stock
More Options & Item Details
ID:
537743
Weight:
1.21ct
Size:
9.2 x 4.1 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
110.21
Item in Stock
More Options & Item Details
ID:
710211
Weight:
1.40ct
Size:
15.1 x 5.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
4.08
Item in Stock
More Options & Item Details
ID:
663348
Weight:
26.19ct (total)
Size:
25.7 x 14.1 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
18.54
Item in Stock
More Options & Item Details
ID:
724941
Weight:
0.82ct
Size:
7.2 x 4.2 mm
Clarity:
VVS
Content:
1 pc
Price:
$
34.44
Item in Stock
More Options & Item Details
ID:
544303
Weight:
0.64ct
Size:
6.5 x 4.2 mm
Clarity:
SI
Content:
1 pc
Price:
$
16.90
Item in Stock
More Options & Item Details
ID:
451653
Weight:
2.15ct (total)
Size:
8 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
121.26
Item in Stock
More Options & Item Details
ID:
672663
Weight:
1.49ct
Size:
9.1 x 6.7 mm
Clarity:
VVS
Content:
1 pc
Price:
$
35.76
Item in Stock
More Options & Item Details
ID:
416008
Weight:
2.01ct
Size:
23.1 x 3.3 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
66.34
Item in Stock
More Options & Item Details
ID:
712874
Weight:
3.14ct
Size:
14 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
8.36
Item in Stock
More Options & Item Details
ID:
511256
Weight:
0.61ct
Size:
6.7 x 4.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
36.24
Item in Stock
More Options & Item Details
ID:
673248
Weight:
7.21ct (total)
Size:
17.5 x 9.2 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
20.33
Item in Stock
More Options & Item Details
ID:
730482
Weight:
2.69ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
24.08
Item in Stock
More Options & Item Details
ID:
499669
Weight:
1.43ct
Size:
7.8 x 5.5 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
5.66
Item in Stock
More Options & Item Details
ID:
446582
Weight:
3.20ct
Size:
12 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
10.56
Item in Stock
More Options & Item Details
ID:
548042
Weight:
1.22ct
Size:
9 x 7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
366.00
Item in Stock
More Options & Item Details
ID:
707892
Weight:
3.53ct
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
5.84
Item in Stock
More Options & Item Details
ID:
493852
Weight:
1.28ct
Size:
12.2 x 6.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
10.14
Item in Stock
More Options & Item Details
ID:
436991
Weight:
3.83ct (total)
Size:
8 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
7.57
Item in Stock
More Options & Item Details
ID:
450955
Weight:
2.77ct (total)
Size:
4.8 x 4.8 mm
Clarity:
VS
Content:
4 pcs
Price:
$
25.60
Item in Stock
More Options & Item Details
ID:
467876
Weight:
5.04ct (total)
Size:
3 mm (calibrated)
Clarity:
Transparent
Content:
30 pcs
Price:
$
33.26
Item in Stock
More Options & Item Details
ID:
708638
Weight:
1.74ct
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
29.95
Item in Stock
More Options & Item Details
ID:
672929
Weight:
1.16ct
Size:
6.4 x 5 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
4.18
Item in Stock
More Options & Item Details
ID:
587760
Weight:
1.56ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
41.18
Item in Stock
More Options & Item Details
ID:
680820
Weight:
0.85ct
Size:
6 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
25.50
Item in Stock
More Options & Item Details
ID:
729937
Weight:
42.65ct
Size:
32.1 x 25.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
34.12
Item in Stock
More Options & Item Details
ID:
461000
Weight:
7.63ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
70.50
Item in Stock
More Options & Item Details
ID:
377680
Weight:
5.52ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
5 pcs
Price:
$
141.42
Item in Stock
More Options & Item Details
ID:
649871
Weight:
8.35ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
5.92
Item in Stock
More Options & Item Details
ID:
518679
Weight:
33.60ct
Size:
24.5 x 17.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
39.47
Item in Stock
More Options & Item Details
ID:
718156
Weight:
0.62ct
Size:
5.2 x 4.2 mm
Clarity:
VVS
Content:
1 pc
Price:
$
18.60
Item in Stock
More Options & Item Details
ID:
517333
Weight:
28.45ct
Size:
17.2 x 16.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
33.42
Item in Stock
More Options & Item Details
ID:
621014
Weight:
24.86ct (total)
Size:
20 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
65.63
Item in Stock
More Options & Item Details
ID:
471424
Weight:
27.53ct
Size:
31.6 x 23.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
22.54
Item in Stock
More Options & Item Details
ID:
707979
Weight:
5.06ct
Size:
14 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
4.86
Item in Stock
More Options & Item Details
ID:
737171
Weight:
46.28ct
Size:
38.6 x 12.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
4.63
Item in Stock
More Options & Item Details
ID:
668109
Weight:
8.60ct
Size:
13 x 10 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
51.60
Item in Stock
More Options & Item Details
ID:
627830
Weight:
27.22ct
Size:
24 x 16.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
142.64
Item in Stock
More Options & Item Details
ID:
543875
Weight:
1.04ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
9.61
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 -> 7
Excited to see
Posted By Ss in December, 2024
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
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
I purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.
Posted By MVK in July, 2025
Source: Bizrate
Overall Rating -> 10
All good
Posted By DouscheGift in August, 2025
Source: Bizrate
Overall Rating -> 10
Very fast navigation and purchase, which is good. I need to strike while the iron is hot.
Posted By Tim G. in February, 2025
Source: Bizrate
Overall Rating -> 10
went well
Posted By Doug in May, 2025
Source: Bizrate
Overall Rating -> 10
love the site, the experience and the products.
Posted By Ckingpots in July, 2025
Source: Bizrate
Overall Rating -> 10
It was my second time so I understand what it is to do
Posted By Ibie in February, 2025
Source: Bizrate