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 (55)
Agate (545)
Agate Geode (17)
Alexandrite (28)
Almandine Garnet (322)
Amazonite (280)
Amethyst (2978)
Amethyst Geode Slice (70)
Ametrine (145)
Andalusite (192)
Apatite (271)
Aquamarine (116)
Aragonite (27)
Aventurine (134)
Axinite (10)
Beryl (580)
Black Opal (6)
Bloodstone (211)
Boulder Opal (229)
Calcite (71)
Carnelian (30)
Cat's Eye Apatite (30)
Cat's Eye Aquamarine (15)
Cat's Eye Beryl (3)
Cat's Eye Moonstone (36)
Cat's Eye Opal (142)
Cat's Eye Scapolite (79)
Cavansite (36)
Chalcedony (221)
Charoite (125)
Chocolate Opal (75)
Chrome Diopside (112)
Chrome Tourmaline (2)
Chrysoberyl (93)
Chrysoberyl Cat's Eye (55)
Chrysocolla (50)
Chrysoprase (19)
Cinnabar (78)
Citrine (4507)
Clinohumite (32)
Color-Change Diaspore (855)
Color-Change Fluorite (56)
Color-Change Garnet (193)
Coral (267)
Demantoid Garnet (235)
Dendritic Agate (199)
Diamond (600)
Druzy Amethyst (3)
Druzy Azurite (13)
Druzy Citrine (45)
Druzy Variscite (130)
Emerald (1)
Enstatite (3)
Feather Pyrite (43)
Fire Agate (315)
Fire Opal (123)
Fluorite (160)
Fossil Coral (322)
Golden Beryl (149)
Grandidierite (166)
Grossularite Garnet (35)
Hematite (353)
Hemimorphite Druzy (46)
Hessonite Garnet (2162)
Hiddenite (10)
Howlite (133)
Idocrase (22)
Imperial Topaz (12)
Iolite (169)
Jade (68)
Jadeite (279)
Jasper (1332)
Kornerupine (211)
Kunzite (386)
Kyanite (747)
Labradorite (1211)
Lapis Lazuli (2)
Larimar (122)
Lazulite (10)
Lepidolite (33)
Malachite (189)
Malaya Garnet (109)
Mali Garnet (7)
Matrix Opal (16)
Maw-Sit-Sit (121)
Moldavite (8)
Moonstone (963)
Morganite (979)
Moss Agate (54)
Mother of Pearl (11)
Nuummite (115)
Obsidian (208)
Opal (896)
Peanut Wood (11)
Peridot (1442)
Pietersite (585)
Prehnite (793)
Psilomelane Dendrite (23)
Pyrite (11)
Pyrope Garnet (1699)
Quartz (67)
Quartz Cat's Eye (70)
Quartz With Hedenbergite (7)
Quartz With Marcasite (185)
Rainbow Moonstone (926)
Rainbow Pyrite (249)
Rhodochrosite (138)
Rhodolite Garnet (408)
Rhodonite (30)
Rose Quartz (680)
Rubellite Tourmaline (9)
Ruby (4)
Ruby in Fuchsite (92)
Ruby-Zoisite (212)
Rutile Quartz (499)
Sapphire (60)
Scolecite (30)
Seraphinite (44)
Serpentine (74)
Sillimanite (68)
Sillimanite Cat's Eye (381)
Smithsonite (1)
Smoky Quartz (951)
Snowflake Obsidian (23)
Sodalite (21)
Spectrolite (127)
Spessartite Garnet (457)
Sphalerite (352)
Sphene (585)
Spinel (884)
Star Diopside (164)
Star Garnet (119)
Star Moonstone (78)
Star Rose Quartz (23)
Star Ruby (1)
Star Sapphire (15)
Strawberry Quartz (1092)
Sunstone (527)
Tiger's Eye (785)
Tiger's Eye Matrix (281)
Topaz (482)
Tourmaline (2598)
Tsavorite Garnet (186)
Turquoise (96)
Uvarovite Garnet Drusy (50)
Variscite (5)
Zircon (782)
Clear All
ID:
658346
Weight:
8.72ct
Size:
14 x 12 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
10.46
Item in Stock
More Options & Item Details
ID:
647277
Weight:
1.85ct
Size:
8 x 6.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
42.18
Item in Stock
More Options & Item Details
ID:
376473
Weight:
2.06ct
Size:
7.8 x 7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
14.56
Item in Stock
More Options & Item Details
ID:
410368
Weight:
4.08ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
Translucent
Content:
4 pcs
Price:
$
19.50
Item in Stock
More Options & Item Details
ID:
717968
Weight:
0.10ct (total)
Size:
2.1 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
96.00
Item in Stock
More Options & Item Details
ID:
587668
Weight:
2.65ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
VS-SI
Content:
2 pcs
Price:
$
69.96
Item in Stock
More Options & Item Details
ID:
325561
Weight:
0.76ct (total)
Size:
4 mm (calibrated)
Clarity:
VVS-VS
Content:
5 pcs
Price:
$
205.92
Item in Stock
More Options & Item Details
ID:
664514
Weight:
2.21ct
Size:
9.5 x 7.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
10.61
Item in Stock
More Options & Item Details
ID:
485886
Weight:
6.83ct
Size:
13.6 x 11.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
57.37
Item in Stock
More Options & Item Details
ID:
563788
Weight:
0.99ct
Size:
7.5 x 5.8 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
15.07
Item in Stock
More Options & Item Details
ID:
731997
Weight:
1.27ct
Size:
9 x 7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
48.77
Item in Stock
More Options & Item Details
ID:
497877
Weight:
2.78ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
Translucent
Content:
4 pcs
Price:
$
19.19
Item in Stock
More Options & Item Details
ID:
645536
Weight:
6.70ct
Size:
14 x 12 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
33.12
Item in Stock
More Options & Item Details
ID:
715477
Weight:
1.47ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
14.11
Item in Stock
More Options & Item Details
ID:
346227
Weight:
2.70ct (total)
Size:
2.4 x 2.3 mm
Clarity:
VVS-VS
Content:
30 pcs
Price:
$
302.94
Item in Stock
More Options & Item Details
ID:
648157
Weight:
44.00ct
Size:
30.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
87.12
Item in Stock
More Options & Item Details
ID:
675200
Weight:
12.77ct
Size:
27.8 x 13 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
11.50
Item in Stock
More Options & Item Details
ID:
712871
Weight:
2.83ct
Size:
14.3 x 7.4 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
7.54
Item in Stock
More Options & Item Details
ID:
706724
Weight:
1.67ct
Size:
8 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
4.01
Item in Stock
More Options & Item Details
ID:
491886
Weight:
35.66ct (total)
Size:
27.6 x 12.1 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
41.89
Item in Stock
More Options & Item Details
ID:
711045
Weight:
14.14ct
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
25.45
Item in Stock
More Options & Item Details
ID:
705800
Weight:
0.76ct
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Price:
$
6.38
Item in Stock
More Options & Item Details
Select
1
2
3
4
pcs 0 in Cart
ID:
720913
Weight:
1.07ct
Size:
7.7 x 5.5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
8.99
Item in Stock
More Options & Item Details
ID:
719433
Weight:
0.85ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
7.14
Item in Stock
More Options & Item Details
ID:
637061
Weight:
0.98ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
51.74
Item in Stock
More Options & Item Details
ID:
741427
Weight:
1.20ct
Size:
6.2 x 5.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
156.00
Item in Stock
More Options & Item Details
ID:
248000
Weight:
13.14ct
Size:
19.5 x 13.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
121.42
Item in Stock
More Options & Item Details
ID:
456489
Weight:
3.74ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
34.56
Item in Stock
More Options & Item Details
ID:
711534
Weight:
9.71ct
Size:
20 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
25.87
Item in Stock
More Options & Item Details
ID:
737870
Weight:
0.96ct
Size:
6.2 x 6.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
48.00
Item in Stock
More Options & Item Details
ID:
637188
Weight:
5.68ct
Size:
15.1 x 10.9 mm
Clarity:
VVS
Price:
$
13.63
Item in Stock
More Options & Item Details
ID:
597469
Weight:
1.50ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
29.70
Item in Stock
More Options & Item Details
ID:
522925
Weight:
47.77ct
Size:
41.7 x 30.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
48.55
Item in Stock
More Options & Item Details
ID:
725610
Weight:
0.89ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
8.54
Item in Stock
More Options & Item Details
ID:
712232
Weight:
6.59ct (total)
Size:
14 x 7 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
17.56
Item in Stock
More Options & Item Details
ID:
449387
Weight:
2.05ct
Size:
18.8 x 3.8 mm
Clarity:
VVS
Content:
1 pc
Price:
$
81.18
Item in Stock
More Options & Item Details
ID:
612319
Weight:
1.86ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
VS-SI
Content:
2 pcs
Price:
$
61.38
Item in Stock
More Options & Item Details
ID:
650039
Weight:
1.30ct
Size:
7 mm (calibrated)
Clarity:
VVS
Price:
$
10.92
Item in Stock
More Options & Item Details
ID:
466118
Weight:
3.85ct (total)
Size:
12 x 6 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
40.66
Item in Stock
More Options & Item Details
ID:
711850
Weight:
0.52ct
Size:
6 x 4 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
1.38
Item in Stock
More Options & Item Details
ID:
461284
Weight:
3.64ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
33.64
Item in Stock
More Options & Item Details
ID:
730065
Weight:
4.65ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
41.63
Item in Stock
More Options & Item Details
ID:
674617
Weight:
3.21ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
26.96
Item in Stock
More Options & Item Details
ID:
314935
Weight:
1.83ct
Size:
12 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
101.46
Item in Stock
More Options & Item Details
ID:
712243
Weight:
1.48ct
Size:
7.6 x 6.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
35.52
Item in Stock
More Options & Item Details
ID:
620761
Weight:
2.07ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
SI
Content:
2 pcs
Price:
$
51.91
Item in Stock
More Options & Item Details
ID:
730090
Weight:
0.27ct
Size:
5 x 3 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
12.96
Item in Stock
More Options & Item Details
ID:
348786
Weight:
49.05ct
Size:
37.4 x 21.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
64.75
Item in Stock
More Options & Item Details
ID:
601124
Weight:
2.54ct
Size:
9.6 x 9.4 mm
Clarity:
VVS
Content:
1 pc
Price:
$
16.76
Item in Stock
More Options & Item Details
ID:
571522
Weight:
3.40ct (total)
Size:
11.9 x 5 mm
Clarity:
VS
Content:
2 pcs
Price:
$
22.44
Item in Stock
More Options & Item Details
ID:
408111
Weight:
7.61ct
Size:
12 x 12 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
17.98
Item in Stock
More Options & Item Details
ID:
521417
Weight:
44.38ct
Size:
34.5 x 15.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
223.78
Item in Stock
More Options & Item Details
ID:
718611
Weight:
21.73ct
Size:
25.7 x 20.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
130.38
Item in Stock
More Options & Item Details
ID:
519618
Weight:
1.90ct
Size:
9 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
175.56
Item in Stock
More Options & Item Details
ID:
432178
Weight:
4.27ct (total)
Size:
4.5 x 4.5 mm
Clarity:
VS
Content:
10 pcs
Price:
$
28.19
Item in Stock
More Options & Item Details
ID:
604660
Weight:
2.77ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
80.44
Item in Stock
More Options & Item Details
ID:
736762
Weight:
1.77ct
Size:
8 x 6 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
10.62
Item in Stock
More Options & Item Details
ID:
351409
Weight:
6.44ct
Size:
17.8 x 9.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
59.51
Item in Stock
More Options & Item Details
ID:
712900
Weight:
1.71ct
Size:
8.1 x 6.5 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
41.04
Item in Stock
More Options & Item Details
ID:
734811
Weight:
4.31ct
Size:
11 x 9 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
25.86
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 large selection from affordable to high end I will be coming back to shop again!
Posted By GreenGator in August, 2025
Source: Bizrate
Overall Rating -> 10
So far So good
Posted By VH-1 in July, 2025
Source: Bizrate
Overall Rating -> 10
very good
Posted By Son Gift in January, 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
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
I am filling a small treasure chest and picked a nice amethyst.
Posted By VinnyD in August, 2025
Source: Bizrate
Overall Rating -> 10
Ive been looking for a place to buy loose gemstones for years and was thrilled when I found this site
Posted By Bern in October, 2024
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
Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.
Posted By Sina in April, 2025
Source: Bizrate