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:
547738
Weight:
7.33ct
Size:
16 x 9 mm
Clarity:
SI-I1
Content:
1 pc
Price:
$
290.27
Item in Stock
More Options & Item Details
ID:
390557
Weight:
1.69ct (total)
Size:
5 x 3 mm (calibrated)
Clarity:
VS
Content:
6 pcs
Price:
$
108.77
Item in Stock
More Options & Item Details
ID:
253183
Weight:
0.73ct
Size:
7.1 x 3.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
96.36
Item in Stock
More Options & Item Details
ID:
418866
Weight:
9.34ct
Size:
18.8 x 10.6 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
44.83
Item in Stock
More Options & Item Details
ID:
520166
Weight:
45.38ct
Size:
30.4 x 13.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
53.32
Item in Stock
More Options & Item Details
ID:
346704
Weight:
205.80ct
Size:
55.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
185.22
Item in Stock
More Options & Item Details
ID:
564633
Weight:
0.25ct
Size:
4 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
458.24
Item in Stock
More Options & Item Details
ID:
447676
Weight:
1.42ct
Size:
8.8 x 6.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
902.22
Item in Stock
More Options & Item Details
ID:
674270
Weight:
26.34ct
Size:
25.9 x 17 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
474.12
Item in Stock
More Options & Item Details
ID:
256349
Weight:
18.78ct
Size:
18.1 x 16.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
396.64
Item in Stock
More Options & Item Details
ID:
602276
Weight:
1.46ct
Size:
7 mm (calibrated)
Clarity:
SI-I1
Content:
1 pc
Price:
$
48.18
Item in Stock
More Options & Item Details
ID:
438043
Weight:
13.83ct
Size:
14.7 x 11.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
365.11
Item in Stock
More Options & Item Details
ID:
339643
Weight:
8.07ct
Size:
14 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
74.99
Item in Stock
More Options & Item Details
ID:
672540
Weight:
1.08ct
Size:
6.7 x 4.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
3.89
Item in Stock
More Options & Item Details
ID:
558376
Weight:
1.34ct
Size:
7.1 x 5.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
709.50
Item in Stock
More Options & Item Details
ID:
655398
Weight:
7.22ct
Size:
13 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
43.32
Item in Stock
More Options & Item Details
ID:
693872
Weight:
6.92ct
Size:
14 x 12 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
20.76
Item in Stock
More Options & Item Details
ID:
692710
Weight:
25.91ct
Size:
20 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
181.37
Item in Stock
More Options & Item Details
ID:
696779
Weight:
3.78ct
Size:
15.1 x 5.7 mm
Clarity:
SI
Content:
1 pc
Price:
$
302.40
Item in Stock
More Options & Item Details
ID:
492381
Weight:
7.59ct
Size:
15.6 x 13.5 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
23.79
Item in Stock
More Options & Item Details
ID:
567748
Weight:
5.67ct
Size:
11 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
17.14
Item in Stock
More Options & Item Details
ID:
678331
Weight:
2.17ct
Size:
7.6 x 7.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
78.12
Item in Stock
More Options & Item Details
ID:
631996
Weight:
16.82ct
Size:
19 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
76.50
Item in Stock
More Options & Item Details
ID:
586700
Weight:
33.96ct
Size:
28.5 x 17.9 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
224.14
Item in Stock
More Options & Item Details
ID:
513362
Weight:
1.11ct
Size:
6 x 5.7 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
80.59
Item in Stock
More Options & Item Details
ID:
559502
Weight:
1.87ct
Size:
7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
7.12
Item in Stock
More Options & Item Details
ID:
644905
Weight:
2.38ct
Size:
10 x 8 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
28.67
Item in Stock
More Options & Item Details
ID:
688866
Weight:
4.56ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
20.93
Item in Stock
More Options & Item Details
ID:
469487
Weight:
24.98ct
Size:
21.3 x 14.6 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
52.10
Item in Stock
More Options & Item Details
ID:
493507
Weight:
3.65ct
Size:
11.4 x 8.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
18.25
Item in Stock
More Options & Item Details
ID:
384740
Weight:
3.75ct
Size:
19.8 x 9.2 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
33.80
Item in Stock
More Options & Item Details
ID:
631645
Weight:
6.49ct
Size:
14 x 10 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
77.88
Item in Stock
More Options & Item Details
ID:
674295
Weight:
9.45ct
Size:
16 x 12 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
124.62
Item in Stock
More Options & Item Details
ID:
586134
Weight:
74.99ct
Size:
42.7 x 24.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
494.94
Item in Stock
More Options & Item Details
ID:
437944
Weight:
21.74ct
Size:
23.6 x 11.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
573.94
Item in Stock
More Options & Item Details
ID:
645654
Weight:
22.63ct
Size:
31.5 x 14.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
13.58
Item in Stock
More Options & Item Details
ID:
603193
Weight:
2.66ct
Size:
9 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
77.24
Item in Stock
More Options & Item Details
ID:
694277
Weight:
1.20ct
Size:
6.9 x 5.2 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
36.00
Item in Stock
More Options & Item Details
ID:
565079
Weight:
0.25ct (total)
Size:
3 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
456.04
Item in Stock
More Options & Item Details
ID:
415864
Weight:
0.99ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
653.40
Item in Stock
More Options & Item Details
ID:
690743
Weight:
63.42ct
Size:
25.7 x 22.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
70.02
Item in Stock
More Options & Item Details
ID:
571873
Weight:
1.74ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
137.81
Item in Stock
More Options & Item Details
ID:
523835
Weight:
20.59ct
Size:
17 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
163.07
Item in Stock
More Options & Item Details
ID:
544799
Weight:
3.19ct
Size:
12.1 x 5.8 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
242.12
Item in Stock
More Options & Item Details
ID:
363120
Weight:
36.35ct
Size:
30.8 x 20.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
54.53
Item in Stock
More Options & Item Details
ID:
483953
Weight:
48.14ct
Size:
24.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
64.13
Item in Stock
More Options & Item Details
ID:
527301
Weight:
avg. 0.30 ct / each
Size:
5 x 3 mm (calibrated)
Clarity:
VVS-VS
Price:
$
4.89
Item in Stock
More Options & Item Details
Select
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
pcs
ID:
524594
Weight:
1.46ct
Size:
6.3 x 6 mm
Clarity:
VS
Content:
1 pc
Price:
$
134.90
Item in Stock
More Options & Item Details
ID:
693851
Weight:
1.48ct
Size:
6.3 x 5.7 mm
Clarity:
VVS
Content:
1 pc
Price:
$
88.80
Item in Stock
More Options & Item Details
ID:
627639
Weight:
21.82ct
Size:
20.7 x 16.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
201.61
Item in Stock
More Options & Item Details
ID:
310827
Weight:
3.23ct (total)
Size:
4 mm (calibrated)
Clarity:
VS-SI
Content:
12 pcs
Price:
$
172.80
Item in Stock
More Options & Item Details
ID:
682109
Weight:
6.03ct
Size:
11 x 11 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
96.18
Item in Stock
More Options & Item Details
ID:
565407
Weight:
5.76ct
Size:
13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
22.81
Item in Stock
More Options & Item Details
ID:
527303
Weight:
avg. 0.67 ct / each
Size:
5 x 5 mm (calibrated)
Clarity:
VVS-VS
Price:
$
11.08
Item in Stock
More Options & Item Details
Select
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
pcs
ID:
397518
Weight:
14.67ct
Size:
15 x 15 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
96.83
Item in Stock
More Options & Item Details
ID:
600425
Weight:
6.02ct
Size:
14.1 x 10 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
26.94
Item in Stock
More Options & Item Details
ID:
523720
Weight:
17.29ct
Size:
27 x 17.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
114.12
Item in Stock
More Options & Item Details
ID:
586705
Weight:
6.17ct
Size:
15.4 x 13.5 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
407.48
Item in Stock
More Options & Item Details
ID:
439657
Weight:
8.21ct
Size:
13.6 x 10.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
162.56
Item in Stock
More Options & Item Details
ID:
604646
Weight:
19.12ct
Size:
24 x 14.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
94.64
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
Love, and have always loved, your website.
Posted By Aberabic in July, 2025
Source: Bizrate
Overall Rating -> 10
I have a beautiful emerald I purchased from a company names gemselect and they are awesome! You should try them out?
Posted By Lynn in September, 2025
Source: Bizrate
Overall Rating -> 10
Easy to conduct search, good amount of stock to select from along with variety of prices.
Posted By Que in June, 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
I love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.
Posted By Bryan De David in April, 2025
Source: Bizrate
Overall Rating -> 8
Good prices
Posted By TRM in October, 2025
Source: Bizrate
Overall Rating -> 9
The checkout said the my ccv was invalid. i had to use another card.
Posted By Ron in April, 2025
Source: Bizrate
Overall Rating -> 10
Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!
Posted By Britnee Rose in September, 2025
Source: Bizrate