Loose Untreated Gemstones: Certified Natural Gems for Collectors and Jewelry, Wholesale Untreated Stones
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Gemtypes in Category:
Actinolite Cat's Eye (55)
Agate (545)
Agate Geode (17)
Alexandrite (28)
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Amazonite (280)
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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)
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Chrysoberyl Cat's Eye (55)
Chrysocolla (49)
Chrysoprase (19)
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Citrine (4507)
Clinohumite (32)
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Color-Change Garnet (193)
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Diamond (600)
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Druzy Variscite (130)
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Fluorite (159)
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Snowflake Obsidian (23)
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Tiger's Eye Matrix (281)
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Uvarovite Garnet Drusy (50)
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Clear All
ID:
587134
Weight:
40.89ct
Size:
29.1 x 24.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
53.98
Item in Stock
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ID:
472172
Weight:
8.10ct
Size:
12.5 x 10 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
32.08
Item in Stock
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ID:
338674
Weight:
3.17ct (total)
Size:
7 x 7 mm (calibrated)
Clarity:
SI
Content:
2 pcs
Price:
$
144.72
Item in Stock
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ID:
597452
Weight:
2.33ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
153.78
Item in Stock
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ID:
523676
Weight:
19.94ct
Size:
36.4 x 16.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
131.60
Item in Stock
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ID:
472809
Weight:
59.54ct
Size:
49.1 x 30 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
78.59
Item in Stock
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ID:
441221
Weight:
11.64ct
Size:
14.1 x 10.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
307.30
Item in Stock
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ID:
494283
Weight:
43.00ct
Size:
37.2 x 19.5 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
20.34
Item in Stock
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ID:
690743
Weight:
63.42ct
Size:
25.7 x 22.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
70.02
Item in Stock
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ID:
539689
Weight:
1.68ct
Size:
6.7 x 6.7 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
32.81
Item in Stock
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ID:
360617
Weight:
8.34ct
Size:
12 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
36.70
Item in Stock
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ID:
564636
Weight:
0.33ct
Size:
4.5 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
549.88
Item in Stock
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ID:
658569
Weight:
33.90ct
Size:
33.1 x 19.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
69.56
Item in Stock
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ID:
690541
Weight:
11.78ct (total)
Size:
20.1 x 9.5 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
276.64
Item in Stock
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ID:
470042
Weight:
46.72ct (total)
Size:
15 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
29.15
Item in Stock
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ID:
691359
Weight:
1.94ct
Size:
7 mm (calibrated)
Clarity:
I1
Content:
1 pc
Price:
$
116.40
Item in Stock
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ID:
694119
Weight:
15.90ct
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
47.70
Item in Stock
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ID:
407921
Weight:
5.59ct
Size:
14 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
306.59
Item in Stock
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ID:
391991
Weight:
54.13ct
Size:
26.4 x 24 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
59.54
Item in Stock
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ID:
631666
Weight:
15.38ct
Size:
24 x 17.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
69.95
Item in Stock
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ID:
422984
Weight:
69.17ct (total)
Size:
14 mm (calibrated)
Clarity:
Opaque
Content:
3 pcs
Price:
$
73.04
Item in Stock
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ID:
469487
Weight:
24.98ct
Size:
21.3 x 14.6 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
52.10
Item in Stock
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ID:
684243
Weight:
21.85ct
Size:
24 x 21.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
28.06
Item in Stock
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ID:
696120
Weight:
34.44ct
Size:
36.2 x 25 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
19.63
Item in Stock
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ID:
600425
Weight:
6.02ct
Size:
14.1 x 10 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
26.94
Item in Stock
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ID:
555436
Weight:
0.58ct
Size:
6.3 x 4.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
21.98
Item in Stock
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ID:
645315
Weight:
24.46ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
14.68
Item in Stock
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ID:
382972
Weight:
36.94ct
Size:
27.9 x 22.3 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
73.14
Item in Stock
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ID:
407300
Weight:
8.82ct
Size:
14.1 x 13.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
402.35
Item in Stock
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ID:
350666
Weight:
19.85ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
104.81
Item in Stock
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ID:
619172
Weight:
32.34ct (total)
Size:
25 x 18 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
85.38
Item in Stock
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ID:
508372
Weight:
avg. 7.55 ct / each
Size:
16 x 12 mm (calibrated)
Clarity:
VVS-VS
Price:
$
58.15
Item in Stock
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Select
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
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18
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24
25
26
27
28
29
30
31
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33
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37
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40
41
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43
pcs
ID:
366640
Weight:
1.22ct
Size:
7.8 x 5.7 mm
Clarity:
VVS
Content:
1 pc
Price:
$
171.30
Item in Stock
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ID:
485282
Weight:
11.84ct (total)
Size:
13 x 13 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
62.52
Item in Stock
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ID:
586138
Weight:
14.28ct
Size:
19.1 x 22.4 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
94.25
Item in Stock
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ID:
619125
Weight:
2.09ct
Size:
10 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
57.48
Item in Stock
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ID:
414085
Weight:
6.89ct
Size:
12 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
36.38
Item in Stock
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ID:
693326
Weight:
77.96ct
Size:
45.7 x 25.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
54.26
Item in Stock
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ID:
655065
Weight:
12.47ct
Size:
22.2 x 12.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
38.76
Item in Stock
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ID:
559441
Weight:
7.26ct
Size:
11.6 x 7.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
11.03
Item in Stock
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ID:
619202
Weight:
13.90ct (total)
Size:
14 x 12 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
63.89
Item in Stock
More Options & Item Details
ID:
694259
Weight:
24.49ct
Size:
21 x 20.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
73.48
Item in Stock
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ID:
719345
Weight:
3.24ct
Size:
9.6 x 7.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
81.00
Item in Stock
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ID:
447456
Weight:
77.78ct (total)
Size:
14 mm (calibrated)
Clarity:
Opaque
Content:
4 pcs
Price:
$
154.01
Item in Stock
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ID:
410159
Weight:
11.15ct
Size:
16.8 x 11 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
345.88
Item in Stock
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ID:
276499
Weight:
0.56ct
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
184.80
Item in Stock
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ID:
447424
Weight:
66.88ct
Size:
31.7 x 25.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
64.20
Item in Stock
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ID:
567804
Weight:
6.05ct
Size:
11 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
15.24
Item in Stock
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ID:
742060
Weight:
6.44ct (total)
Size:
7 mm (calibrated)
Clarity:
Transparent
Content:
8 pcs
Price:
$
157.84
Item in Stock
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ID:
536904
Weight:
avg. 0.81 ct / each
Size:
7 mm (calibrated)
Clarity:
Transparent
Price:
$
19.73
Item in Stock
More Options & Item Details
Select
1
2
3
4
5
6
7
8
pcs
ID:
523722
Weight:
33.71ct
Size:
32.6 x 22.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
222.49
Item in Stock
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ID:
434039
Weight:
30.70ct
Size:
30.7 x 23.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
40.52
Item in Stock
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ID:
550359
Weight:
23.45ct (total)
Size:
20 x 12.7 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
35.28
Item in Stock
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ID:
617550
Weight:
41.79ct
Size:
41.8 x 25 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
39.72
Item in Stock
More Options & Item Details
ID:
363367
Weight:
20.00ct
Size:
25 x 18 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
52.80
Item in Stock
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ID:
666097
Weight:
12.05ct
Size:
28.2 x 12.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
41.33
Item in Stock
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ID:
553504
Weight:
2.13ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
48.14
Item in Stock
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ID:
256350
Weight:
19.58ct
Size:
18.2 x 16.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
344.61
Item in Stock
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ID:
692951
Weight:
30.88ct
Size:
23.1 x 21.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
29.64
Item in Stock
More Options & Item Details
ID:
605451
Weight:
29.82ct (total)
Size:
20.3 x 13 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
46.45
Item in Stock
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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
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
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
Im not a jeweler, I buy for my personal use. My dad was a jewelry maker and I love gemstones.
Posted By Andie in September, 2024
Source: Bizrate
Overall Rating -> 10
I really liked the email, and the link that help return me to the site. I didnt have access to my card info while checking out and I had to put my phone away so I lost the tab. Fortunately, since I did give an email- they sent me a link that brought me back to where I was. Greatly appreciated
Posted By Jag in January, 2025
Source: Bizrate
Overall Rating -> 10
the selection is good as are the prices
Posted By Old man in August, 2025
Source: Bizrate
Overall Rating -> 10
I have bought from you before and have found your gems exceed my expectations. I have been very satisfied with all gems sent to me. I will be back. Thanks....
Posted By Dork in September, 2024
Source: Bizrate
Overall Rating -> 10
So far, my experience was great...Thanks
Posted By Kaydi in May, 2025
Source: Bizrate
Overall Rating -> 10
looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones..
Posted By Steven M. in February, 2025
Source: Bizrate
Overall Rating -> 10
Great selection of gems at a reasonable price
Posted By Curt in July, 2025
Source: Bizrate