Loose Untreated Gemstones: Certified Natural Gems for Collectors and Jewelry, Wholesale Untreated Stones
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Clear All
ID:
672597
Weight:
8.69ct (total)
Size:
19.1 x 12.2 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
24.50
Item in Stock
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ID:
706852
Weight:
2.00ct
Size:
8 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
4.80
Item in Stock
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ID:
693544
Weight:
144.19ct
Size:
62.4 x 41.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
86.52
Item in Stock
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ID:
585707
Weight:
3.42ct (total)
Size:
7 x 7 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
22.57
Item in Stock
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ID:
708452
Weight:
1.49ct
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
30.77
Item in Stock
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ID:
727957
Weight:
2.26ct
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
5.42
Item in Stock
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ID:
456254
Weight:
1.70ct
Size:
7.5 x 7.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
14.28
Item in Stock
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ID:
367185
Weight:
8.24ct
Size:
15.7 x 9.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
56.02
Item in Stock
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ID:
713454
Weight:
1.62ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
27.22
Item in Stock
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ID:
713742
Weight:
1.08ct
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
9.07
Item in Stock
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ID:
692686
Weight:
11.72ct
Size:
14 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
11.26
Item in Stock
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ID:
715792
Weight:
0.73ct
Size:
5.6 x 4.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
46.43
Item in Stock
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ID:
474686
Weight:
1.76ct
Size:
8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
16.26
Item in Stock
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ID:
349392
Weight:
1.06ct
Size:
7.6 x 5.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
146.92
Item in Stock
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ID:
516571
Weight:
1.58ct
Size:
7.9 x 6.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
31.28
Item in Stock
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ID:
388901
Weight:
0.98ct
Size:
7.3 x 5.5 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
62.93
Item in Stock
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ID:
734983
Weight:
10.09ct (total)
Size:
11 x 9 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
50.45
Item in Stock
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ID:
712766
Weight:
7.20ct (total)
Size:
14 x 7 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
19.18
Item in Stock
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ID:
693011
Weight:
38.92ct
Size:
47.7 x 9.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
14.02
Item in Stock
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ID:
543749
Weight:
2.09ct
Size:
8.5 x 6 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
42.05
Item in Stock
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ID:
586444
Weight:
1.46ct
Size:
7.5 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
96.36
Item in Stock
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ID:
719966
Weight:
0.85ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
7.14
Item in Stock
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ID:
428513
Weight:
4.53ct
Size:
12.7 x 9.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
35.88
Item in Stock
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ID:
684387
Weight:
1.84ct
Size:
8 x 8 mm (calibrated)
Clarity:
VS
Price:
$
17.66
Item in Stock
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ID:
463158
Weight:
4.35ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
34.45
Item in Stock
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ID:
718845
Weight:
0.78ct
Size:
6 x 4 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
14.04
Item in Stock
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ID:
581491
Weight:
41.42ct
Size:
37.6 x 24.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
23.51
Item in Stock
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ID:
516714
Weight:
1.20ct
Size:
9.8 x 6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
110.88
Item in Stock
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ID:
486202
Weight:
5.83ct
Size:
14 x 11.2 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
48.97
Item in Stock
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ID:
715348
Weight:
26.47ct
Size:
20 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
254.11
Item in Stock
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ID:
379816
Weight:
2.51ct (total)
Size:
4 mm (calibrated)
Clarity:
VS
Content:
7 pcs
Price:
$
142.20
Item in Stock
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ID:
550354
Weight:
23.02ct (total)
Size:
18.4 x 12.4 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
34.63
Item in Stock
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ID:
664823
Weight:
0.98ct
Size:
7.9 x 5.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
10.58
Item in Stock
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ID:
580125
Weight:
3.20ct
Size:
11.4 x 7.6 mm
Clarity:
SI-I1
Content:
1 pc
Price:
$
84.48
Item in Stock
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ID:
533726
Weight:
2.35ct
Size:
9 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
15.32
Item in Stock
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ID:
570033
Weight:
2.59ct
Size:
8 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
19.08
Item in Stock
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ID:
474210
Weight:
1.88ct
Size:
8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
17.38
Item in Stock
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ID:
710195
Weight:
3.22ct
Size:
10.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
9.38
Item in Stock
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ID:
674451
Weight:
5.70ct (total)
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
47.88
Item in Stock
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ID:
715748
Weight:
0.53ct
Size:
5 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
33.71
Item in Stock
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ID:
654807
Weight:
4.50ct
Size:
11.5 x 11.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
13.99
Item in Stock
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ID:
708424
Weight:
3.48ct
Size:
13.3 x 10.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
105.41
Item in Stock
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ID:
371585
Weight:
4.80ct (total)
Size:
8.2 x 5.2 mm
Clarity:
VS
Content:
6 pcs
Price:
$
31.68
Item in Stock
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ID:
693390
Weight:
2.24ct
Size:
10 x 7 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
8.06
Item in Stock
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ID:
686511
Weight:
0.23ct
Size:
3.5 x 3.5 mm
Clarity:
VVS
Content:
1 pc
Price:
$
12.65
Item in Stock
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ID:
393618
Weight:
6.34ct
Size:
11.5 x 11.4 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
41.84
Item in Stock
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ID:
508537
Weight:
2.18ct
Size:
13.5 x 4.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
183.12
Item in Stock
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ID:
727822
Weight:
1.23ct
Size:
7.1 x 5.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
42.72
Item in Stock
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ID:
362641
Weight:
17.20ct
Size:
20.9 x 20.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
45.41
Item in Stock
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ID:
684061
Weight:
0.58ct
Size:
5 x 4 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
24.36
Item in Stock
More Options & Item Details
ID:
442859
Weight:
3.84ct (total)
Size:
8 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
10.14
Item in Stock
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ID:
710356
Weight:
0.82ct
Size:
6.5 x 4.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
14.69
Item in Stock
More Options & Item Details
ID:
494877
Weight:
5.10ct
Size:
12 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
36.70
Item in Stock
More Options & Item Details
ID:
710764
Weight:
13.99ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
37.27
Item in Stock
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ID:
464455
Weight:
4.42ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
40.84
Item in Stock
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ID:
464126
Weight:
6.45ct
Size:
13 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
12.78
Item in Stock
More Options & Item Details
ID:
700944
Weight:
0.61ct
Size:
5 x 5 mm (calibrated)
Clarity:
VVS
Price:
$
5.86
Item in Stock
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Select
1
2
3
4
5
pcs 0 in Cart
ID:
736398
Weight:
0.97ct
Size:
7.6 x 7.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
6.79
Item in Stock
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ID:
514088
Weight:
6.45ct (total)
Size:
11 x 9 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
60.71
Item in Stock
More Options & Item Details
ID:
722672
Weight:
18.31ct
Size:
29.4 x 11.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
153.80
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
nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic
Posted By Steve m. in February, 2025
Source: Bizrate
Overall Rating -> 10
Its been a long time since Ive made any purchases Im satisfied with the quality.
Posted By Hard Case in December, 2024
Source: Bizrate
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
Source: Bizrate
Overall Rating -> 10
Good selection, trusted quality. What I have purchased has always been as discribed.
Posted By Sterling in November, 2024
Source: Bizrate
Overall Rating -> 10
I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well
Posted By Marti in July, 2025
Source: Bizrate
Overall Rating -> 9
Will know more once order received
Posted By Jim in September, 2025
Source: Bizrate
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 -> 8
Loved the lot buy options
Posted By BDG in October, 2024
Source: Bizrate
Overall Rating -> 10
Very good
Hoping you will increase your inventory especially in the 6mm
Thanks
Posted By Ibie in February, 2025
Source: Bizrate