Loose Untreated Gemstones: Certified Natural Gems for Collectors and Jewelry, Wholesale Untreated Stones
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Actinolite Cat's Eye (54)
Agate (589)
Agate Geode (15)
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Carnelian (21)
Cat's Eye Alexandrite (37)
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)
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Cavansite (36)
Chalcedony (203)
Charoite (122)
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Chrysoberyl Cat's Eye (55)
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Clinohumite (30)
Color-Change Diaspore (834)
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Color-Change Garnet (190)
Color-Change Sapphire (6)
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Druzy Variscite (130)
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Tiger's Eye Matrix (274)
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Uvarovite Garnet Drusy (80)
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ID:
647538
Weight:
24.23ct (total)
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
31.98
Item in Stock
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ID:
359686
Weight:
31.34ct
Size:
20.2 x 16.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
68.95
Item in Stock
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ID:
394031
Weight:
42.59ct
Size:
39.2 x 19.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
56.22
Item in Stock
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ID:
604848
Weight:
10.80ct
Size:
20.1 x 12.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
142.56
Item in Stock
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ID:
586137
Weight:
11.48ct
Size:
16 x 12 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
75.77
Item in Stock
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ID:
699590
Weight:
103.65ct
Size:
44.2 x 28 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
99.50
Item in Stock
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ID:
398223
Weight:
4.73ct
Size:
15.1 x 9.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
156.10
Item in Stock
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ID:
640471
Weight:
0.31ct
Size:
5 x 3 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
12.40
Item in Stock
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ID:
658616
Weight:
121.07ct
Size:
45.1 x 40.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
248.44
Item in Stock
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ID:
576139
Weight:
18.08ct (total)
Size:
20.7 x 14.4 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
50.36
Item in Stock
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ID:
523720
Weight:
17.29ct
Size:
27 x 17.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
114.12
Item in Stock
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ID:
521325
Weight:
12.84ct
Size:
22.1 x 11.3 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
338.98
Item in Stock
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ID:
512017
Weight:
21.49ct
Size:
26.8 x 15.9 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
28.10
Item in Stock
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ID:
461852
Weight:
41.49ct
Size:
27.3 x 23.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
49.79
Item in Stock
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ID:
413712
Weight:
10.94ct
Size:
14 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
361.02
Item in Stock
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ID:
672540
Weight:
1.08ct
Size:
6.7 x 4.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
3.89
Item in Stock
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ID:
447772
Weight:
1.06ct
Size:
8.2 x 5.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
673.49
Item in Stock
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ID:
460268
Weight:
4.85ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
64.02
Item in Stock
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ID:
496504
Weight:
2.07ct
Size:
8.3 x 6.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
35.96
Item in Stock
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ID:
520166
Weight:
45.38ct
Size:
30.4 x 13.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
53.32
Item in Stock
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ID:
395337
Weight:
12.80ct
Size:
14 x 14 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
70.40
Item in Stock
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ID:
651041
Weight:
9.90ct
Size:
18.4 x 13.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
41.94
Item in Stock
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ID:
521754
Weight:
30.94ct
Size:
25.4 x 20.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
204.20
Item in Stock
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ID:
443107
Weight:
3.60ct
Size:
11.9 x 8.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
593.56
Item in Stock
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ID:
505435
Weight:
6.50ct
Size:
12 mm (calibrated)
Clarity:
Opaque
Price:
$
89.48
Item in Stock
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Select
1
2
3
4
5
6
pcs 0 in Cart
ID:
501492
Weight:
17.32ct
Size:
33.2 x 18.6 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
34.30
Item in Stock
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ID:
655916
Weight:
16.68ct
Size:
31.8 x 15.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
85.27
Item in Stock
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ID:
693193
Weight:
27.37ct
Size:
37.2 x 20.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
15.11
Item in Stock
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ID:
478398
Weight:
1.84ct
Size:
13.8 x 6.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
77.28
Item in Stock
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ID:
472929
Weight:
30.47ct
Size:
25 x 18 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
42.23
Item in Stock
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ID:
410119
Weight:
34.16ct
Size:
23.4 x 19.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
316.10
Item in Stock
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ID:
396053
Weight:
15.17ct
Size:
14 x 14 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
675.73
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:
623678
Weight:
4.55ct
Size:
10.7 x 10.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
77.23
Item in Stock
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ID:
575960
Weight:
16.47ct (total)
Size:
21.6 x 14.4 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
45.88
Item in Stock
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ID:
322578
Weight:
23.50ct
Size:
20.3 x 19.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
62.04
Item in Stock
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ID:
632806
Weight:
5.47ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
39.38
Item in Stock
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ID:
445414
Weight:
18.83ct
Size:
20 x 15 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
519.49
Item in Stock
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ID:
458684
Weight:
0.90ct (total)
Size:
5 x 4 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
195.43
Item in Stock
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ID:
566715
Weight:
5.59ct
Size:
12 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
16.90
Item in Stock
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ID:
391712
Weight:
43.68ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
57.66
Item in Stock
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ID:
660342
Weight:
18.54ct
Size:
16 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
37.27
Item in Stock
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ID:
682706
Weight:
0.24ct (total)
Size:
3 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
137.56
Item in Stock
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ID:
691363
Weight:
2.27ct
Size:
7.5 mm (calibrated)
Clarity:
SI-I1
Content:
1 pc
Price:
$
136.20
Item in Stock
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ID:
348799
Weight:
52.73ct
Size:
24 x 23.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
69.60
Item in Stock
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ID:
322581
Weight:
49.22ct
Size:
30.5 x 20.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
59.06
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:
475034
Weight:
1.82ct
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
7.21
Item in Stock
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ID:
394684
Weight:
9.97ct
Size:
13 x 13 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
65.81
Item in Stock
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ID:
515850
Weight:
3.78ct
Size:
13.6 x 10 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
99.79
Item in Stock
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ID:
595010
Weight:
11.21ct
Size:
17.5 x 12.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
147.97
Item in Stock
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ID:
402789
Weight:
13.13ct
Size:
12.3 x 11.5 mm
Clarity:
SI
Content:
1 pc
Price:
$
2,109.50
Item in Stock
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ID:
485154
Weight:
4.07ct
Size:
13 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
21.49
Item in Stock
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ID:
497474
Weight:
2.54ct
Size:
8.6 x 8 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
16.76
Item in Stock
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ID:
559502
Weight:
1.87ct
Size:
7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
7.12
Item in Stock
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ID:
415866
Weight:
0.75ct
Size:
6.1 x 4.7 mm
Clarity:
SI
Content:
1 pc
Price:
$
495.00
Item in Stock
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ID:
474178
Weight:
2.78ct (total)
Size:
7.5 x 5.1 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
11.00
Item in Stock
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ID:
586699
Weight:
44.10ct
Size:
35.1 x 23.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
291.06
Item in Stock
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ID:
338322
Weight:
3000.00ct
Size:
71 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
2,138.40
Item in Stock
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ID:
391933
Weight:
5.00ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
132.00
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 -> 9
Nothing bad to report. Everything is as expected. The gems and the price are all very good.
Posted By Dafanatic in August, 2025
Source: Bizrate
Overall Rating -> 10
Very food
Posted By Keeto in July, 2025
Source: Bizrate
Overall Rating -> 9
Fast and reliable service.
Posted By Zæck in December, 2025
Source: Bizrate
Overall Rating -> 10
I found exactly what I was looking for and ordered it. I like how you give information on the stones I'm buying. Glad I found you!
Posted By TheP in April, 2025
Source: Bizrate
Overall Rating -> 10
very good
Posted By Son Gift in January, 2025
Source: Bizrate
Overall Rating -> 10
I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.
Posted By DNaber in October, 2025
Source: Bizrate
Overall Rating -> 10
this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.
Posted By Tommyp in November, 2025
Source: Bizrate
Overall Rating -> 10
The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.
Posted By Jen in December, 2025
Source: Bizrate
Overall Rating -> 10
Good. I ts very user friendly.
Posted By Shalini in June, 2025
Source: Bizrate