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 (589)
Agate Geode (15)
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Cat's Eye Apatite (29)
Cat's Eye Aquamarine (15)
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Clear All
ID:
721865
Weight:
21.65ct
Size:
23.2 x 16.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
25.98
Item in Stock
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ID:
706392
Weight:
6.77ct
Size:
12.8 x 10.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
13.81
Item in Stock
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ID:
427574
Weight:
2.58ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
6 pcs
Price:
$
17.03
Item in Stock
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ID:
262423
Weight:
0.61ct
Size:
7 x 3.5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
76.10
Item in Stock
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ID:
406871
Weight:
13.40ct
Size:
15.6 x 12.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
53.06
Item in Stock
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ID:
727370
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:
725630
Weight:
2.56ct (total)
Size:
7.1 x 6.2 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
101.41
Item in Stock
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ID:
658281
Weight:
18.42ct
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
22.10
Item in Stock
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ID:
471545
Weight:
1.52ct (total)
Size:
5 x 4 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
200.64
Item in Stock
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ID:
497575
Weight:
2.14ct
Size:
9 x 7 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
56.50
Item in Stock
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ID:
706999
Weight:
2.69ct
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
6.46
Item in Stock
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ID:
464481
Weight:
2.71ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VS
Content:
6 pcs
Price:
$
25.04
Item in Stock
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ID:
694817
Weight:
2.62ct
Size:
9.6 x 5.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
78.60
Item in Stock
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ID:
553489
Weight:
1.95ct
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
11.74
Item in Stock
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ID:
714081
Weight:
1.45ct (total)
Size:
5 mm (calibrated)
Clarity:
SI
Content:
2 pcs
Price:
$
43.50
Item in Stock
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ID:
673109
Weight:
1.10ct
Size:
8 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
26.40
Item in Stock
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ID:
686484
Weight:
0.11ct
Size:
2.9 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
7.26
Item in Stock
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ID:
577064
Weight:
11.98ct
Size:
18.6 x 13.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
92.35
Item in Stock
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ID:
578719
Weight:
2.28ct
Size:
8.1 x 7.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
15.05
Item in Stock
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ID:
700716
Weight:
0.57ct
Size:
4.7 mm
Clarity:
SI
Content:
1 pc
Price:
$
34.20
Item in Stock
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ID:
528899
Weight:
1.37ct
Size:
7.7 x 5.7 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
27.13
Item in Stock
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ID:
431070
Weight:
3.17ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
75.32
Item in Stock
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ID:
671492
Weight:
20.84ct
Size:
25 x 18 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
53.77
Item in Stock
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ID:
727470
Weight:
0.25ct
Size:
4.2 x 3.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
10.50
Item in Stock
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ID:
503621
Weight:
46.65ct (total)
Size:
34.4 x 10.5 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
46.19
Item in Stock
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ID:
687190
Weight:
1.02ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
22.03
Item in Stock
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ID:
585677
Weight:
5.50ct
Size:
14 x 10 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
36.30
Item in Stock
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ID:
554454
Weight:
0.77ct (total)
Size:
6.1 x 4.3 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
15.25
Item in Stock
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ID:
326296
Weight:
5.16ct (total)
Size:
9.2 x 7.8 mm
Clarity:
Transparent/Translucent
Content:
2 pcs
Price:
$
18.38
Item in Stock
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ID:
621536
Weight:
0.41ct
Size:
4.7 x 3.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
24.60
Item in Stock
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ID:
743368
Weight:
5.50ct
Size:
16.6 x 10.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
22.00
Item in Stock
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ID:
496791
Weight:
2.80ct
Size:
10 x 8 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
73.92
Item in Stock
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ID:
720110
Weight:
1.58ct
Size:
7.3 x 5.5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
152.08
Item in Stock
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ID:
673665
Weight:
15.76ct
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
245.60
Item in Stock
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ID:
697414
Weight:
24.15ct
Size:
20 x 15 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
16.52
Item in Stock
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ID:
524000
Weight:
16.40ct
Size:
21.8 x 13.7 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
129.89
Item in Stock
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ID:
721418
Weight:
0.73ct
Size:
4.8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
29.20
Item in Stock
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ID:
519136
Weight:
1.37ct
Size:
10 x 5.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
126.59
Item in Stock
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ID:
472810
Weight:
79.97ct
Size:
35.6 x 33.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
95.96
Item in Stock
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ID:
514080
Weight:
7.24ct (total)
Size:
11 x 9 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
68.14
Item in Stock
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ID:
673255
Weight:
5.26ct (total)
Size:
15.7 x 7.7 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
14.83
Item in Stock
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ID:
558062
Weight:
3.30ct
Size:
12 x 10 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
24.96
Item in Stock
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ID:
710026
Weight:
0.85ct
Size:
9.8 x 4.1 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
7.14
Item in Stock
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ID:
681928
Weight:
0.60ct
Size:
5.4 x 5.1 mm
Clarity:
VS
Content:
1 pc
Price:
$
10.80
Item in Stock
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ID:
596669
Weight:
5.06ct
Size:
22.6 x 8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
20.04
Item in Stock
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ID:
297166
Weight:
34.86ct
Size:
27.1 x 22.5 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
46.02
Item in Stock
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ID:
631997
Weight:
11.58ct
Size:
21.1 x 11.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
52.67
Item in Stock
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ID:
684515
Weight:
39.70ct
Size:
29.4 x 28.2 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
50.98
Item in Stock
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ID:
381949
Weight:
3.94ct (total)
Size:
3.8 mm
Clarity:
VS
Content:
20 pcs
Price:
$
208.50
Item in Stock
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ID:
544413
Weight:
1.42ct (total)
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
10.58
Item in Stock
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ID:
501559
Weight:
1.51ct
Size:
9.3 x 4.8 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
45.30
Item in Stock
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ID:
576036
Weight:
14.17ct (total)
Size:
17.3 x 10 mm
Clarity:
Translucent
Content:
2 pcs
Price:
$
39.47
Item in Stock
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ID:
687964
Weight:
2.83ct
Size:
9 x 7 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
3.40
Item in Stock
More Options & Item Details
ID:
692134
Weight:
0.44ct
Size:
4.7 mm
Clarity:
SI-I1
Content:
1 pc
Price:
$
26.40
Item in Stock
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ID:
365604
Weight:
4.49ct
Size:
11 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
44.34
Item in Stock
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ID:
492196
Weight:
14.74ct
Size:
20.2 x 15.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
55.45
Item in Stock
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ID:
746960
Weight:
1.68ct
Size:
7.1 x 6.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
235.20
Item in Stock
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ID:
520543
Weight:
4.38ct
Size:
12 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
40.48
Item in Stock
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ID:
478836
Weight:
0.64ct
Size:
8.9 x 4.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
46.46
Item in Stock
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ID:
418348
Weight:
11.75ct
Size:
16.8 x 12.4 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
23.26
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
Great site for finding specific stones and sizes for individual pieces of jewelry
Posted By Designer in December, 2025
Source: Bizrate
Overall Rating -> 9
I wish there were options for jewelry settings
Posted By Tim in May, 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
I am filling a small treasure chest and picked a nice amethyst.
Posted By VinnyD in August, 2025
Source: Bizrate
Overall Rating -> 8
I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.
Posted By Atsu in December, 2025
Source: Bizrate
Overall Rating -> 10
Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.
Posted By Watson in May, 2025
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Overall Rating -> 10
It was easy and to the point
Posted By Victorius in May, 2025
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Overall Rating -> 10
When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.
Posted By LeAnn in April, 2025
Source: Bizrate
Overall Rating -> 10
Very food
Posted By Keeto in July, 2025
Source: Bizrate