Loose Untreated Gemstones: Certified Natural Gems for Collectors and Jewelry, Wholesale Untreated Stones
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Clear All
ID:
630675
Weight:
5.28ct
Size:
17.3 x 15.9 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
44.35
Item in Stock
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ID:
715492
Weight:
5.94ct (total)
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
57.02
Item in Stock
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ID:
736372
Weight:
41.68ct
Size:
36 x 17.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
39.18
Item in Stock
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ID:
453816
Weight:
4.46ct
Size:
13.1 x 9.6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
41.21
Item in Stock
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ID:
561914
Weight:
0.80ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
6.08
Item in Stock
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ID:
715071
Weight:
1.64ct
Size:
7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
4.25
Item in Stock
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ID:
713678
Weight:
1.29ct
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
10.84
Item in Stock
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ID:
645434
Weight:
1.42ct
Size:
9 x 3.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
20.48
Item in Stock
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ID:
493875
Weight:
5.04ct
Size:
12 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
36.13
Item in Stock
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ID:
445826
Weight:
2.29ct
Size:
8.5 x 6.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
109.33
Item in Stock
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ID:
560422
Weight:
1.64ct
Size:
7.9 x 6.6 mm
Clarity:
SI
Content:
1 pc
Price:
$
36.80
Item in Stock
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ID:
560860
Weight:
0.90ct (total)
Size:
4.2 x 4.2 mm
Clarity:
VS
Content:
2 pcs
Price:
$
8.32
Item in Stock
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ID:
501509
Weight:
31.90ct (total)
Size:
32.3 x 15.1 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
63.14
Item in Stock
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ID:
358457
Weight:
3.94ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
10 pcs
Price:
$
26.00
Item in Stock
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ID:
696162
Weight:
40.11ct
Size:
23.5 x 19.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
27.43
Item in Stock
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ID:
392978
Weight:
7.90ct (total)
Size:
12 x 8 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
52.14
Item in Stock
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ID:
743403
Weight:
3.00ct
Size:
10 x 8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
135.00
Item in Stock
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ID:
712713
Weight:
21.28ct (total)
Size:
16 x 12 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
56.69
Item in Stock
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ID:
447423
Weight:
52.45ct
Size:
28 x 24 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
50.35
Item in Stock
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ID:
564595
Weight:
0.36ct
Size:
4.3 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
659.86
Item in Stock
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ID:
364205
Weight:
1.48ct
Size:
16.1 x 3.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
39.17
Item in Stock
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ID:
721758
Weight:
46.57ct
Size:
37.7 x 21.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
55.88
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:
709115
Weight:
3.90ct
Size:
12 x 10 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
118.13
Item in Stock
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ID:
482212
Weight:
25.11ct (total)
Size:
20.8 x 12.3 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
32.48
Item in Stock
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ID:
672064
Weight:
7.19ct
Size:
13 x 10.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
43.14
Item in Stock
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ID:
643661
Weight:
1.89ct
Size:
9 x 7 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
15.88
Item in Stock
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ID:
439427
Weight:
7.82ct
Size:
14.6 x 10.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
154.84
Item in Stock
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ID:
475806
Weight:
6.76ct
Size:
16 x 13.4 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
70.85
Item in Stock
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ID:
261093
Weight:
4.58ct (total)
Size:
5.5 mm (calibrated)
Clarity:
VVS
Content:
4 pcs
Price:
$
79.81
Item in Stock
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ID:
533871
Weight:
2.96ct (total)
Size:
8.2 x 6.3 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
27.35
Item in Stock
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ID:
670780
Weight:
0.45ct
Size:
5 x 4.5 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
16.20
Item in Stock
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ID:
620850
Weight:
4.22ct (total)
Size:
12.2 x 6.1 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
44.57
Item in Stock
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ID:
528164
Weight:
2.61ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
17.23
Item in Stock
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ID:
623113
Weight:
1.18ct
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
22.56
Item in Stock
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ID:
471963
Weight:
1.83ct
Size:
9 x 7 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
289.87
Item in Stock
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ID:
725294
Weight:
14.76ct
Size:
15.1 x 14.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
16.82
Item in Stock
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ID:
700711
Weight:
0.42ct
Size:
4.2 mm
Clarity:
SI
Content:
1 pc
Price:
$
25.20
Item in Stock
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ID:
732838
Weight:
0.47ct
Size:
6 x 4 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
19.74
Item in Stock
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ID:
708307
Weight:
6.18ct (total)
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
10.24
Item in Stock
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ID:
642112
Weight:
1.01ct
Size:
7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
47.27
Item in Stock
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ID:
528685
Weight:
1.38ct
Size:
7.4 x 5.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
120.23
Item in Stock
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ID:
704362
Weight:
1.28ct
Size:
12.3 x 3.8 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
42.07
Item in Stock
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ID:
603086
Weight:
2.76ct
Size:
12.1 x 7.4 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
165.60
Item in Stock
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ID:
685383
Weight:
19.09ct
Size:
29.8 x 12.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
19.01
Item in Stock
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ID:
602287
Weight:
2.33ct
Size:
10 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
21.53
Item in Stock
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ID:
537780
Weight:
0.94ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
10.34
Item in Stock
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ID:
417149
Weight:
8.17ct
Size:
16 x 12 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
16.19
Item in Stock
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ID:
565125
Weight:
4.07ct
Size:
12 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
26.87
Item in Stock
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ID:
728048
Weight:
0.80ct
Size:
6.2 x 5.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
4.80
Item in Stock
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ID:
262425
Weight:
0.70ct
Size:
7 x 3.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
87.32
Item in Stock
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ID:
503907
Weight:
avg. 0.21 ct / each
Size:
5 x 3 mm (calibrated)
Clarity:
VVS-VS
Price:
$
1.87
Item in Stock
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Select
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
pcs
ID:
532372
Weight:
3.90ct
Size:
10 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
28.32
Item in Stock
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ID:
688276
Weight:
9.25ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
11.10
Item in Stock
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ID:
484042
Weight:
73.93ct
Size:
37.5 x 25.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
146.39
Item in Stock
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ID:
519908
Weight:
1.64ct
Size:
11.8 x 4.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
149.38
Item in Stock
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ID:
449597
Weight:
21.20ct
Size:
25 x 18 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
195.89
Item in Stock
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ID:
439685
Weight:
0.92ct
Size:
5.6 x 5.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
28.34
Item in Stock
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ID:
596026
Weight:
3.76ct
Size:
11 x 9 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
48.73
Item in Stock
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ID:
385156
Weight:
8.48ct
Size:
22.7 x 13.1 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
69.40
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
Filters need to be improved but rest of website is great
Posted By Rock hound in December, 2025
Source: Bizrate
Overall Rating -> 10
On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc
Posted By Iamnotakrustykrab in December, 2025
Source: Bizrate
Overall Rating -> 10
Took a chance on purchasing my gemstones from Gemselect and was impressed. 10/10
Posted By KT in September, 2025
Source: Bizrate
Overall Rating -> 9
the gems were smaller than I thought but I was at fault for not reading the complete discrimination
Posted By Tim in May, 2025
Source: Bizrate
Overall Rating -> 8
Good prices
Posted By TRM in October, 2025
Source: Bizrate
Overall Rating -> 9
I did not have any problems
Posted By Clilrichard in January, 2025
Source: Bizrate
Overall Rating -> 10
Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.
Posted By Sina in April, 2025
Source: Bizrate
Overall Rating -> 10
Great selection of gems at a reasonable price
Posted By Curt in July, 2025
Source: Bizrate
Overall Rating -> 10
Great site for finding specific stones and sizes for individual pieces of jewelry
Posted By Designer in December, 2025
Source: Bizrate