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 (320)
Amazonite (280)
Amethyst (2979)
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 (49)
Chrysoprase (19)
Cinnabar (78)
Citrine (4507)
Clinohumite (32)
Color-Change Diaspore (855)
Color-Change Fluorite (55)
Color-Change Garnet (193)
Coral (267)
Demantoid Garnet (235)
Dendritic Agate (198)
Diamond (600)
Druzy Amethyst (3)
Druzy Azurite (13)
Druzy Citrine (45)
Druzy Variscite (130)
Emerald (1)
Enstatite (3)
Feather Pyrite (43)
Fire Agate (314)
Fire Opal (123)
Fluorite (159)
Fossil Coral (322)
Golden Beryl (149)
Grandidierite (165)
Grossularite Garnet (35)
Hematite (352)
Hemimorphite Druzy (46)
Hessonite Garnet (2162)
Hiddenite (10)
Howlite (133)
Idocrase (22)
Imperial Topaz (12)
Iolite (169)
Jade (68)
Jadeite (279)
Jasper (1330)
Kornerupine (209)
Kunzite (385)
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 (898)
Peanut Wood (11)
Peridot (1442)
Pietersite (584)
Prehnite (793)
Psilomelane Dendrite (23)
Pyrite (11)
Pyrope Garnet (1700)
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 (213)
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 (456)
Sphalerite (352)
Sphene (585)
Spinel (883)
Star Diopside (163)
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 (2596)
Tsavorite Garnet (186)
Turquoise (96)
Uvarovite Garnet Drusy (50)
Variscite (5)
Zircon (782)
Clear All
ID:
529524
Weight:
1.27ct
Size:
6 x 5.3 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
110.64
Item in Stock
More Options & Item Details
ID:
640727
Weight:
1.59ct
Size:
8 x 8 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
45.79
Item in Stock
More Options & Item Details
ID:
636437
Weight:
1.59ct
Size:
9 x 7 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
41.98
Item in Stock
More Options & Item Details
ID:
371503
Weight:
6.10ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VS
Content:
6 pcs
Price:
$
40.26
Item in Stock
More Options & Item Details
ID:
481334
Weight:
25.72ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
23.15
Item in Stock
More Options & Item Details
ID:
715340
Weight:
1.88ct
Size:
10.4 x 4.6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
270.72
Item in Stock
More Options & Item Details
ID:
420272
Weight:
13.33ct
Size:
20 x 15 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
35.20
Item in Stock
More Options & Item Details
ID:
715352
Weight:
12.61ct
Size:
18 x 13 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
121.06
Item in Stock
More Options & Item Details
ID:
697609
Weight:
0.63ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
3.78
Item in Stock
More Options & Item Details
ID:
683571
Weight:
5.59ct
Size:
15.9 x 8.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
51.78
Item in Stock
More Options & Item Details
ID:
363832
Weight:
23.72ct
Size:
34.6 x 17 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
37.88
Item in Stock
More Options & Item Details
ID:
708762
Weight:
1.26ct
Size:
6.5 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
21.68
Item in Stock
More Options & Item Details
ID:
700194
Weight:
0.84ct
Size:
5.2 x 5.1 mm
Clarity:
VVS
Content:
1 pc
Price:
$
36.19
Item in Stock
More Options & Item Details
ID:
423025
Weight:
21.41ct (total)
Size:
8 mm (calibrated)
Clarity:
Translucent
Content:
6 pcs
Price:
$
28.26
Item in Stock
More Options & Item Details
ID:
737596
Weight:
7.08ct
Size:
11 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
42.48
Item in Stock
More Options & Item Details
ID:
605814
Weight:
26.38ct (total)
Size:
21.3 x 13.1 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
41.09
Item in Stock
More Options & Item Details
ID:
646706
Weight:
16.60ct (total)
Size:
14 x 12 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
21.91
Item in Stock
More Options & Item Details
ID:
650873
Weight:
3.47ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
22.07
Item in Stock
More Options & Item Details
ID:
736568
Weight:
13.59ct
Size:
17 x 17 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
19.16
Item in Stock
More Options & Item Details
ID:
640734
Weight:
1.01ct
Size:
6.6 x 5.4 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
6.67
Item in Stock
More Options & Item Details
ID:
366665
Weight:
1.18ct
Size:
7.4 x 5.5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
165.68
Item in Stock
More Options & Item Details
ID:
682132
Weight:
1.01ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
18.18
Item in Stock
More Options & Item Details
ID:
699118
Weight:
3.36ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
28.22
Item in Stock
More Options & Item Details
ID:
365500
Weight:
1.45ct
Size:
7 x 5.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
53.16
Item in Stock
More Options & Item Details
ID:
394722
Weight:
4.13ct
Size:
10.4 x 10.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
27.26
Item in Stock
More Options & Item Details
ID:
395277
Weight:
3.29ct
Size:
9.4 x 9.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
21.72
Item in Stock
More Options & Item Details
ID:
460577
Weight:
4.59ct
Size:
12 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
60.59
Item in Stock
More Options & Item Details
ID:
677915
Weight:
avg. 0.09 ct / each
Size:
2.2 x 2.1 mm
Clarity:
Opaque
Price:
$
43.33
Item in Stock
More Options & Item Details
Select
1
2
3
4
5
6
7
8
9
pcs
ID:
522208
Weight:
33.48ct
Size:
40.9 x 27.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
34.03
Item in Stock
More Options & Item Details
ID:
659874
Weight:
2.22ct
Size:
7 x 7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
5.35
Item in Stock
More Options & Item Details
ID:
567534
Weight:
6.64ct (total)
Size:
11 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
43.82
Item in Stock
More Options & Item Details
ID:
534215
Weight:
1.16ct
Size:
7 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
10.72
Item in Stock
More Options & Item Details
ID:
436074
Weight:
3.58ct
Size:
14.3 x 7.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
11.63
Item in Stock
More Options & Item Details
ID:
572196
Weight:
3.13ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
28.92
Item in Stock
More Options & Item Details
ID:
459929
Weight:
4.06ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
37.51
Item in Stock
More Options & Item Details
ID:
687174
Weight:
7.46ct
Size:
14 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
8.95
Item in Stock
More Options & Item Details
ID:
406869
Weight:
14.34ct
Size:
17.5 x 14.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
56.78
Item in Stock
More Options & Item Details
ID:
694274
Weight:
0.95ct
Size:
6.2 x 4.6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
28.50
Item in Stock
More Options & Item Details
ID:
504005
Weight:
2.27ct
Size:
7.7 x 7.6 mm
Clarity:
VVS
Content:
1 pc
Price:
$
16.00
Item in Stock
More Options & Item Details
ID:
422186
Weight:
0.86ct
Size:
8.5 x 4.5 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
49.61
Item in Stock
More Options & Item Details
ID:
707158
Weight:
1.35ct
Size:
10.2 x 5.3 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
3.24
Item in Stock
More Options & Item Details
ID:
598770
Weight:
8.26ct
Size:
16 x 12 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
109.03
Item in Stock
More Options & Item Details
ID:
453058
Weight:
4.77ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
44.08
Item in Stock
More Options & Item Details
ID:
721516
Weight:
6.97ct
Size:
11.7 x 11.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
8.36
Item in Stock
More Options & Item Details
ID:
431060
Weight:
1.40ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
14.77
Item in Stock
More Options & Item Details
ID:
739016
Weight:
0.40ct
Size:
5 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
20.00
Item in Stock
More Options & Item Details
ID:
508542
Weight:
1.99ct
Size:
13.2 x 4.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
183.88
Item in Stock
More Options & Item Details
ID:
672298
Weight:
1.15ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
27.60
Item in Stock
More Options & Item Details
ID:
711021
Weight:
18.75ct
Size:
21.2 x 15.8 mm
Clarity:
VVS
Content:
1 pc
Price:
$
157.50
Item in Stock
More Options & Item Details
ID:
555120
Weight:
0.83ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
6.58
Item in Stock
More Options & Item Details
ID:
565270
Weight:
24.98ct
Size:
29.9 x 20.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
18.79
Item in Stock
More Options & Item Details
ID:
547741
Weight:
6.01ct
Size:
12.7 x 10.1 mm
Clarity:
SI-I1
Content:
1 pc
Price:
$
238.00
Item in Stock
More Options & Item Details
ID:
574313
Weight:
5.07ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
46.85
Item in Stock
More Options & Item Details
ID:
721896
Weight:
29.62ct
Size:
27.6 x 18.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
35.54
Item in Stock
More Options & Item Details
ID:
551439
Weight:
2.66ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
24.01
Item in Stock
More Options & Item Details
ID:
685383
Weight:
19.09ct
Size:
29.8 x 12.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
19.01
Item in Stock
More Options & Item Details
ID:
706782
Weight:
1.96ct
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
4.70
Item in Stock
More Options & Item Details
ID:
699145
Weight:
19.86ct
Size:
20.1 x 16.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
23.83
Item in Stock
More Options & Item Details
ID:
598780
Weight:
3.72ct
Size:
13 x 9 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
44.64
Item in Stock
More Options & Item Details
ID:
716375
Weight:
1.57ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS
Price:
$
15.07
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
The site provided lots of detail, factual data, and good photos. I also like the availability of searching by price range as well as by the type of stone.
Posted By SLIntuitive Donna in July, 2025
Source: Bizrate
Overall Rating -> 10
Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.
Posted By Watson in May, 2025
Source: Bizrate
Overall Rating -> 9
I think therea's no problem
Posted By Napoleon in August, 2025
Source: Bizrate
Overall Rating -> 7
Okay thank you.
Posted By Bepc61 in March, 2025
Source: Bizrate
Overall Rating -> 8
Love the ease of access. Easy to find what you are looking for, and fair pricing.
Posted By NickBehnke in October, 2024
Source: Bizrate
Overall Rating -> 9
I love the gems!
Posted By MM in April, 2025
Source: Bizrate
Overall Rating -> 10
Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.
Posted By Jac in July, 2025
Source: Bizrate
Overall Rating -> 10
Excellent selection and easy to use, well done site
Posted By Steph in December, 2024
Source: Bizrate
Overall Rating -> 10
Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.
Posted By Happy Customer in June, 2025
Source: Bizrate