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:
531176
Weight:
1.57ct
Size:
7.8 x 5.5 mm
Clarity:
VVS
Content:
1 pc
Price:
$
51.82
Item in Stock
More Options & Item Details
ID:
543965
Weight:
2.13ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
42.85
Item in Stock
More Options & Item Details
ID:
709375
Weight:
0.79ct
Size:
9.4 x 4.9 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
6.64
Item in Stock
More Options & Item Details
ID:
554459
Weight:
0.87ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
17.23
Item in Stock
More Options & Item Details
ID:
554915
Weight:
1.14ct
Size:
7.8 x 5.7 mm
Clarity:
SI
Content:
1 pc
Price:
$
30.10
Item in Stock
More Options & Item Details
ID:
465981
Weight:
6.40ct
Size:
13 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
12.67
Item in Stock
More Options & Item Details
ID:
694839
Weight:
26.95ct
Size:
20 x 16 mm
Clarity:
VVS
Content:
1 pc
Price:
$
186.28
Item in Stock
More Options & Item Details
ID:
730092
Weight:
0.25ct
Size:
5 x 3 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
12.00
Item in Stock
More Options & Item Details
ID:
492485
Weight:
5.07ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
36.67
Item in Stock
More Options & Item Details
ID:
447501
Weight:
36.61ct
Size:
15.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
96.65
Item in Stock
More Options & Item Details
ID:
620855
Weight:
4.17ct (total)
Size:
12.1 x 5.9 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
44.04
Item in Stock
More Options & Item Details
ID:
323925
Weight:
15.32ct
Size:
16 x 12 mm (calibrated)
Clarity:
Transparent/Translucent
Content:
1 pc
Price:
$
19.38
Item in Stock
More Options & Item Details
ID:
464402
Weight:
3.96ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
36.59
Item in Stock
More Options & Item Details
ID:
718546
Weight:
6.90ct
Size:
12 x 12 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
31.06
Item in Stock
More Options & Item Details
ID:
663081
Weight:
2.76ct
Size:
9.5 x 7.9 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
16.56
Item in Stock
More Options & Item Details
ID:
388796
Weight:
1.19ct
Size:
8.2 x 5.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
76.40
Item in Stock
More Options & Item Details
ID:
459948
Weight:
4.55ct
Size:
15 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
42.05
Item in Stock
More Options & Item Details
ID:
450982
Weight:
2.89ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
26.70
Item in Stock
More Options & Item Details
ID:
648852
Weight:
5.69ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
10.25
Item in Stock
More Options & Item Details
ID:
598627
Weight:
1.71ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
33.86
Item in Stock
More Options & Item Details
ID:
616870
Weight:
0.82ct
Size:
5.8 x 5.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
59.53
Item in Stock
More Options & Item Details
ID:
735223
Weight:
2.26ct
Size:
8.6 x 6.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
108.48
Item in Stock
More Options & Item Details
ID:
350530
Weight:
2.83ct (total)
Size:
3 x 3 mm (calibrated)
Clarity:
Transparent
Content:
20 pcs
Price:
$
64.63
Item in Stock
More Options & Item Details
ID:
609039
Weight:
3.12ct
Size:
11 x 9 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
57.66
Item in Stock
More Options & Item Details
ID:
368863
Weight:
2.87ct
Size:
8.3 x 7.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
18.64
Item in Stock
More Options & Item Details
ID:
375267
Weight:
2.96ct
Size:
8.8 x 6.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
124.33
Item in Stock
More Options & Item Details
ID:
720760
Weight:
0.53ct
Size:
8 x 4 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
3.71
Item in Stock
More Options & Item Details
ID:
484729
Weight:
1.81ct
Size:
8.5 x 5.9 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
11.95
Item in Stock
More Options & Item Details
ID:
717919
Weight:
2.06ct (total)
Size:
6.1 x 4.9 mm
Clarity:
VVS
Content:
2 pcs
Price:
$
61.80
Item in Stock
More Options & Item Details
ID:
712638
Weight:
1.65ct
Size:
9 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
4.39
Item in Stock
More Options & Item Details
ID:
594081
Weight:
1.45ct
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
28.93
Item in Stock
More Options & Item Details
ID:
548396
Weight:
14.60ct (total)
Size:
12 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
54.73
Item in Stock
More Options & Item Details
ID:
739550
Weight:
1.02ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
9.18
Item in Stock
More Options & Item Details
ID:
645795
Weight:
16.54ct
Size:
22.2 x 18.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
9.32
Item in Stock
More Options & Item Details
ID:
673902
Weight:
16.74ct
Size:
21.3 x 15.6 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
301.32
Item in Stock
More Options & Item Details
ID:
458400
Weight:
1.39ct (total)
Size:
4.5 x 3.6 mm
Clarity:
VS
Content:
4 pcs
Price:
$
183.48
Item in Stock
More Options & Item Details
ID:
693424
Weight:
6.27ct
Size:
11.9 x 9.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
207.89
Item in Stock
More Options & Item Details
ID:
743059
Weight:
1.62ct
Size:
9.9 x 4.9 mm
Clarity:
VVS
Content:
1 pc
Price:
$
72.90
Item in Stock
More Options & Item Details
ID:
712573
Weight:
1.20ct
Size:
7 x 5.6 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
23.96
Item in Stock
More Options & Item Details
ID:
394219
Weight:
31.90ct
Size:
41.6 x 19.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
42.11
Item in Stock
More Options & Item Details
ID:
385004
Weight:
6.12ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
56.54
Item in Stock
More Options & Item Details
ID:
609755
Weight:
1.80ct (total)
Size:
6.3 x 6.1 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
16.63
Item in Stock
More Options & Item Details
ID:
723770
Weight:
3.81ct
Size:
12 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
36.58
Item in Stock
More Options & Item Details
ID:
501818
Weight:
1.83ct
Size:
10 x 7 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
14.50
Item in Stock
More Options & Item Details
ID:
697700
Weight:
5.53ct
Size:
15.1 x 9 mm
Clarity:
VVS
Content:
1 pc
Price:
$
39.82
Item in Stock
More Options & Item Details
ID:
501523
Weight:
16.91ct
Size:
21.3 x 16.1 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
70.98
Item in Stock
More Options & Item Details
ID:
537517
Weight:
0.94ct
Size:
7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
23.18
Item in Stock
More Options & Item Details
ID:
645784
Weight:
9.03ct
Size:
19.6 x 10.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
28.18
Item in Stock
More Options & Item Details
ID:
350531
Weight:
3.34ct (total)
Size:
3.2 x 3.2 mm
Clarity:
Transparent
Content:
20 pcs
Price:
$
76.27
Item in Stock
More Options & Item Details
ID:
739112
Weight:
1.00ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
9.00
Item in Stock
More Options & Item Details
ID:
695828
Weight:
1.89ct
Size:
8 x 6 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
4.35
Item in Stock
More Options & Item Details
ID:
545059
Weight:
0.77ct
Size:
6.4 x 4.3 mm
Clarity:
SI-I1
Content:
1 pc
Price:
$
20.33
Item in Stock
More Options & Item Details
ID:
698756
Weight:
2.08ct
Size:
7.4 x 7.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
12.48
Item in Stock
More Options & Item Details
ID:
565525
Weight:
1.96ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
44.58
Item in Stock
More Options & Item Details
ID:
559448
Weight:
5.85ct
Size:
9 x 9 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
8.88
Item in Stock
More Options & Item Details
ID:
475367
Weight:
7.19ct
Size:
16 x 12 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
66.43
Item in Stock
More Options & Item Details
ID:
474118
Weight:
1.73ct
Size:
8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
15.98
Item in Stock
More Options & Item Details
ID:
662667
Weight:
23.67ct (total)
Size:
19.8 x 16.3 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
16.76
Item in Stock
More Options & Item Details
ID:
433823
Weight:
2.25ct
Size:
10 x 8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
20.80
Item in Stock
More Options & Item Details
ID:
719761
Weight:
3.36ct
Size:
8.8 x 7.9 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
100.80
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
Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.
Posted By JD in July, 2025
Source: Bizrate
Overall Rating -> 10
nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic
Posted By Steve m. in February, 2025
Source: Bizrate
Overall Rating -> 10
All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.
Posted By G.W. in June, 2025
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 -> 10
My experience was done with ease
Posted By Barb in October, 2025
Source: Bizrate
Overall Rating -> 10
Great prices!!! High quality gemstones.
Posted By Ricky in October, 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 -> 10
excellent deals-excellent service-fair prices
Posted By JD in April, 2025
Source: Bizrate
Overall Rating -> 9
I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.
Posted By Jewelry Quality Stones in July, 2025
Source: Bizrate