Loose Untreated Gemstones: Certified Natural Gems for Collectors and Jewelry, Wholesale Untreated Stones
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Gemtypes in Category:
Actinolite Cat's Eye (54)
Agate (562)
Agate Geode (15)
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Axinite (10)
Beryl (580)
Black Opal (6)
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Boulder Opal (239)
Calcite (71)
Carnelian (24)
Cat's Eye Apatite (29)
Cat's Eye Aquamarine (15)
Cat's Eye Beryl (3)
Cat's Eye Moonstone (31)
Cat's Eye Opal (144)
Cat's Eye Scapolite (78)
Cavansite (36)
Chalcedony (214)
Charoite (119)
Chocolate Opal (76)
Chrome Diopside (110)
Chrysoberyl (92)
Chrysoberyl Cat's Eye (53)
Chrysocolla (50)
Chrysoprase (8)
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Clinohumite (30)
Color-Change Diaspore (850)
Color-Change Fluorite (52)
Color-Change Garnet (193)
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Demantoid Garnet (230)
Dendritic Agate (198)
Diamond (602)
Druzy Amethyst (3)
Druzy Azurite (13)
Druzy Citrine (45)
Druzy Variscite (130)
Emerald (1)
Enstatite (3)
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Fire Opal (127)
Fluorite (170)
Fossil Coral (323)
Golden Beryl (148)
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Hematite (356)
Hemimorphite Druzy (46)
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Hiddenite (10)
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Idocrase (21)
Imperial Topaz (12)
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Ruby (4)
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Tiger's Eye Matrix (277)
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Turquoise (92)
Uvarovite Garnet Drusy (68)
Variscite (5)
Zircon (779)
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ID:
282482
Weight:
5.48ct (total)
Size:
8.1 x 6.3 mm
Clarity:
Transparent
Content:
4 pcs
Price:
$
60.28
Item in Stock
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ID:
716439
Weight:
21.19ct
Size:
18 x 18 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
203.42
Item in Stock
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ID:
602234
Weight:
10.94ct (total)
Size:
20.7 x 9.9 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
58.20
Item in Stock
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ID:
455047
Weight:
37.37ct (total)
Size:
23.7 x 12.8 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
49.33
Item in Stock
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ID:
640705
Weight:
0.32ct
Size:
5 x 3 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
15.36
Item in Stock
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ID:
379571
Weight:
3.05ct
Size:
9 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
193.25
Item in Stock
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ID:
603130
Weight:
2.68ct
Size:
8.5 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
176.88
Item in Stock
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ID:
447579
Weight:
2.28ct
Size:
8.3 x 7.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
108.16
Item in Stock
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ID:
467012
Weight:
0.83ct
Size:
7.3 x 5.4 mm
Clarity:
VVS
Content:
1 pc
Price:
$
54.78
Item in Stock
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ID:
737509
Weight:
0.66ct
Size:
5 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
16.50
Item in Stock
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ID:
383617
Weight:
32.57ct
Size:
27 x 20 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
64.49
Item in Stock
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ID:
457065
Weight:
5.94ct
Size:
13.7 x 8.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
31.37
Item in Stock
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ID:
691251
Weight:
0.80ct
Size:
5.8 x 4.9 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
67.20
Item in Stock
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ID:
694552
Weight:
12.80ct
Size:
15 x 15 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
107.52
Item in Stock
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ID:
728241
Weight:
2.70ct (total)
Size:
7 x 5.7 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
16.20
Item in Stock
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ID:
550824
Weight:
1.34ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
10.08
Item in Stock
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ID:
350707
Weight:
3.77ct (total)
Size:
5.2 x 5.1 mm
Clarity:
Transparent
Content:
10 pcs
Price:
$
84.79
Item in Stock
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ID:
743058
Weight:
3.14ct
Size:
12 x 8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
141.30
Item in Stock
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ID:
634233
Weight:
10.96ct (total)
Size:
16.7 x 12.3 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
49.85
Item in Stock
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ID:
453761
Weight:
3.42ct
Size:
13.1 x 7.2 mm
Clarity:
VVS
Content:
1 pc
Price:
$
31.60
Item in Stock
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ID:
711792
Weight:
1.45ct
Size:
7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
24.13
Item in Stock
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ID:
566207
Weight:
1.02ct
Size:
6.3 x 4.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
23.21
Item in Stock
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ID:
723745
Weight:
9.87ct
Size:
13.1 x 10.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
11.72
Item in Stock
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ID:
686025
Weight:
7.41ct (total)
Size:
10 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
8.89
Item in Stock
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ID:
435779
Weight:
7.30ct
Size:
15.2 x 11 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
23.89
Item in Stock
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ID:
490721
Weight:
4.78ct
Size:
14 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
34.70
Item in Stock
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ID:
433563
Weight:
5.55ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
33.30
Item in Stock
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ID:
716391
Weight:
0.97ct
Size:
9.3 x 4.2 mm
Clarity:
VVS
Content:
1 pc
Price:
$
61.69
Item in Stock
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ID:
572438
Weight:
2.97ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
27.44
Item in Stock
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ID:
700993
Weight:
0.60ct
Size:
5.1 x 4.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
25.85
Item in Stock
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ID:
673944
Weight:
5.29ct
Size:
14.2 x 10.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
76.12
Item in Stock
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ID:
300687
Weight:
41.05ct
Size:
30.5 x 26.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
108.37
Item in Stock
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ID:
692966
Weight:
31.56ct
Size:
33 x 11.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
11.36
Item in Stock
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ID:
742903
Weight:
10.59ct
Size:
18 x 18 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
42.36
Item in Stock
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ID:
593321
Weight:
0.65ct
Size:
5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
33.66
Item in Stock
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ID:
386581
Weight:
10.77ct (total)
Size:
17.8 x 8 mm
Clarity:
Translucent
Content:
4 pcs
Price:
$
95.82
Item in Stock
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ID:
481320
Weight:
18.89ct
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
18.71
Item in Stock
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ID:
672694
Weight:
1.23ct
Size:
7.1 x 5.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
29.52
Item in Stock
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ID:
687126
Weight:
10.57ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
12.68
Item in Stock
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ID:
681883
Weight:
13.51ct
Size:
16.7 x 13.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
81.06
Item in Stock
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ID:
692512
Weight:
25.46ct
Size:
20 x 15 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
213.86
Item in Stock
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ID:
565160
Weight:
0.14ct (total)
Size:
2.6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
306.46
Item in Stock
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ID:
709840
Weight:
2.93ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
24.61
Item in Stock
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ID:
742966
Weight:
1.41ct
Size:
7.7 x 6.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
197.40
Item in Stock
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ID:
427150
Weight:
2.48ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
16.37
Item in Stock
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ID:
493182
Weight:
1.33ct (total)
Size:
6.2 x 3 mm
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
8.78
Item in Stock
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ID:
497245
Weight:
2.69ct (total)
Size:
6 x 4.9 mm
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
24.85
Item in Stock
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ID:
493528
Weight:
3.94ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
Translucent
Content:
5 pcs
Price:
$
36.41
Item in Stock
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ID:
656142
Weight:
19.87ct
Size:
36.9 x 18.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
101.58
Item in Stock
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ID:
585886
Weight:
41.84ct
Size:
35.8 x 26.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
24.85
Item in Stock
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ID:
408321
Weight:
9.38ct
Size:
13 x 13 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
22.16
Item in Stock
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ID:
446511
Weight:
8.11ct
Size:
14.7 x 11 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
26.76
Item in Stock
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ID:
682984
Weight:
7.06ct
Size:
14.5 x 7.4 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
67.78
Item in Stock
More Options & Item Details
ID:
721864
Weight:
36.37ct
Size:
25.2 x 20.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
43.64
Item in Stock
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ID:
415707
Weight:
1.98ct
Size:
7.7 x 7.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
101.93
Item in Stock
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ID:
406664
Weight:
16.01ct
Size:
21.6 x 15.6 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
54.77
Item in Stock
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ID:
732550
Weight:
5.77ct
Size:
12.2 x 9.2 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
207.72
Item in Stock
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ID:
395154
Weight:
3.60ct (total)
Size:
7.7 x 7.6 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
23.76
Item in Stock
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ID:
392307
Weight:
72.94ct
Size:
35.2 x 23.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
70.02
Item in Stock
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ID:
349322
Weight:
1.10ct
Size:
6.4 x 5.8 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
152.46
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
My experience was done with ease
Posted By Barb in October, 2025
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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
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Overall Rating -> 8
great experience
Posted By T in December, 2024
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Overall Rating -> 10
Very large selection from affordable to high end I will be coming back to shop again!
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Overall Rating -> 9
The checkout said the my ccv was invalid. i had to use another card.
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Overall Rating -> 10
I love the quality, package and info of your gems.
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Overall Rating -> 9
I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!
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Overall Rating -> 10
Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.
Posted By Darkstar in June, 2025
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Overall Rating -> 10
Great for buying gemstones, came with authenticity certs. Will buy again someday!
Posted By Uggadugga in May, 2025
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