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)
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Cat's Eye Aquamarine (15)
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ID:
563529
Weight:
1.37ct
Size:
6.5 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
30.74
Item in Stock
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ID:
691365
Weight:
1.63ct
Size:
7.3 x 5.3 mm
Clarity:
SI-I1
Content:
1 pc
Price:
$
97.80
Item in Stock
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ID:
349311
Weight:
1.43ct
Size:
7.5 x 5.6 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
184.04
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:
626169
Weight:
0.99ct
Size:
7.7 x 4.9 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
3.92
Item in Stock
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ID:
344438
Weight:
236.30ct
Size:
38.2 x 36.2 mm
Clarity:
Transparent/Translucent
Content:
1 pc
Price:
$
649.83
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:
517453
Weight:
38.17ct
Size:
21.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
50.39
Item in Stock
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ID:
332291
Weight:
2.38ct
Size:
9.5 x 7 mm
Clarity:
VS
Content:
1 pc
Price:
$
113.10
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:
458407
Weight:
1.33ct (total)
Size:
4.4 x 3.5 mm
Clarity:
VS
Content:
4 pcs
Price:
$
146.30
Item in Stock
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ID:
595297
Weight:
19.24ct (total)
Size:
21.2 x 10.2 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
50.80
Item in Stock
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ID:
595228
Weight:
9.29ct (total)
Size:
10 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
122.63
Item in Stock
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ID:
693386
Weight:
3.26ct
Size:
11.6 x 6.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
11.74
Item in Stock
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ID:
521201
Weight:
42.52ct
Size:
27.7 x 25.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
178.67
Item in Stock
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ID:
521579
Weight:
23.14ct
Size:
23.8 x 16.1 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
183.26
Item in Stock
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ID:
645960
Weight:
24.16ct
Size:
25 x 18 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
13.63
Item in Stock
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ID:
664613
Weight:
4.46ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
80.28
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:
397516
Weight:
13.08ct
Size:
14 x 14 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
86.33
Item in Stock
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ID:
572785
Weight:
0.64ct
Size:
6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
21.12
Item in Stock
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ID:
521011
Weight:
89.42ct
Size:
31.8 x 26.8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
236.06
Item in Stock
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ID:
474448
Weight:
15.27ct
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
42.34
Item in Stock
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ID:
492449
Weight:
50.61ct
Size:
30.1 x 26 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
601.28
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:
276496
Weight:
0.47ct
Size:
5.7 x 3.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
155.10
Item in Stock
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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:
634013
Weight:
9.31ct
Size:
13.9 x 11.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
23.55
Item in Stock
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ID:
559175
Weight:
2.06ct (total)
Size:
7.3 x 5 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
7.82
Item in Stock
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ID:
567237
Weight:
2.60ct
Size:
7 x 7 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
58.34
Item in Stock
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ID:
398363
Weight:
13.86ct
Size:
16.3 x 14.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
871.03
Item in Stock
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ID:
487761
Weight:
16.97ct
Size:
18.6 x 17.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
22.40
Item in Stock
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ID:
533010
Weight:
12.50ct
Size:
14 x 14 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
24.76
Item in Stock
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ID:
470664
Weight:
11.74ct
Size:
14 x 12 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
3,099.36
Item in Stock
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ID:
300453
Weight:
28.58ct
Size:
23.1 x 18.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
240.07
Item in Stock
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ID:
618058
Weight:
31.65ct (total)
Size:
25 x 18 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
75.96
Item in Stock
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ID:
418866
Weight:
9.34ct
Size:
18.8 x 10.6 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
44.83
Item in Stock
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ID:
520631
Weight:
1.71ct
Size:
10.8 x 5.4 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
71.82
Item in Stock
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ID:
530667
Weight:
1.74ct
Size:
6.6 x 6.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
135.72
Item in Stock
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ID:
521453
Weight:
32.95ct
Size:
34.4 x 17.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
260.96
Item in Stock
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ID:
594874
Weight:
13.37ct
Size:
27.5 x 10.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
2,206.05
Item in Stock
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ID:
526451
Weight:
avg. 1.08 ct / each
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Price:
$
18.66
Item in Stock
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Select
1
2
3
4
5
6
7
8
9
10
11
12
13
14
pcs
ID:
363842
Weight:
52.74ct
Size:
36.5 x 25.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
44.30
Item in Stock
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ID:
371476
Weight:
30.02ct
Size:
30 x 22 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
158.51
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:
531172
Weight:
3.90ct
Size:
11.6 x 5.8 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
193.05
Item in Stock
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ID:
348781
Weight:
73.69ct
Size:
43 x 25.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
97.27
Item in Stock
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ID:
620034
Weight:
5.74ct
Size:
12 x 12 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
29.02
Item in Stock
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ID:
446520
Weight:
7.85ct
Size:
15 x 10.8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
25.90
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:
690462
Weight:
10.12ct
Size:
20.5 x 16.1 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
237.66
Item in Stock
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ID:
671542
Weight:
45.23ct
Size:
39.3 x 27.3 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
116.69
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
More Options & Item Details
ID:
344388
Weight:
63.54ct
Size:
27.5 x 22.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
113.22
Item in Stock
More Options & Item Details
ID:
600282
Weight:
109.25ct
Size:
46.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
82.20
Item in Stock
More Options & Item Details
ID:
617897
Weight:
75.10ct
Size:
22.5 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
495.66
Item in Stock
More Options & Item Details
ID:
389877
Weight:
20.41ct
Size:
24.7 x 16.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
53.88
Item in Stock
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ID:
486356
Weight:
52.12ct
Size:
43.9 x 27.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
52.97
Item in Stock
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ID:
668805
Weight:
27.29ct
Size:
28.9 x 12 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
589.46
Item in Stock
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ID:
693510
Weight:
17.82ct
Size:
17 x 15.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
590.84
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
I found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar
Posted By TheP in January, 2025
Source: Bizrate
Overall Rating -> 10
I am filling a small treasure chest and picked a nice amethyst.
Posted By VinnyD in August, 2025
Source: Bizrate
Overall Rating -> 10
Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.
Posted By Happy Customer in June, 2025
Source: Bizrate
Overall Rating -> 10
I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.
Posted By Tim in March, 2025
Source: Bizrate
Overall Rating -> 10
Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.
Posted By Sal in July, 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 -> 9
It was great!
Posted By Annie in September, 2025
Source: Bizrate
Overall Rating -> 10
It's mostly good, only some item's are easier to find through the search than the menu
Posted By Wayne in July, 2025
Source: Bizrate
Overall Rating -> 9
I love the gems!
Posted By MM in April, 2025
Source: Bizrate