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)
Alexandrite (21)
Almandine Garnet (475)
Amazonite (259)
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Axinite (9)
Beryl (639)
Black Opal (6)
Bloodstone (190)
Boulder Opal (271)
Calcite (71)
Carnelian (21)
Cat's Eye Alexandrite (37)
Cat's Eye Apatite (29)
Cat's Eye Aquamarine (15)
Cat's Eye Beryl (3)
Cat's Eye Moonstone (29)
Cat's Eye Opal (166)
Cat's Eye Scapolite (78)
Cavansite (36)
Chalcedony (203)
Charoite (122)
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Chrysoberyl Cat's Eye (55)
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Clinohumite (30)
Color-Change Diaspore (834)
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Color-Change Sapphire (6)
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Druzy Variscite (130)
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Fire Opal (124)
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Tiger's Eye Matrix (274)
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Tsavorite Garnet (175)
Turquoise (90)
Uvarovite Garnet Drusy (80)
Variscite (4)
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ID:
513489
Weight:
4.29ct (total)
Size:
7 x 7 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
37.75
Item in Stock
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ID:
706782
Weight:
1.96ct
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
4.70
Item in Stock
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ID:
566482
Weight:
0.69ct
Size:
6 x 4 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
17.30
Item in Stock
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ID:
706751
Weight:
1.67ct
Size:
15.8 x 5 mm
Clarity:
VVS
Content:
1 pc
Price:
$
10.02
Item in Stock
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ID:
408149
Weight:
4.59ct
Size:
11 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
10.85
Item in Stock
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ID:
707842
Weight:
5.55ct
Size:
14 x 10 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
39.96
Item in Stock
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ID:
600284
Weight:
61.37ct
Size:
39.7 x 32 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
46.18
Item in Stock
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ID:
471484
Weight:
37.36ct
Size:
32.2 x 26.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
30.58
Item in Stock
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ID:
647584
Weight:
29.90ct
Size:
37.5 x 23.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
35.88
Item in Stock
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ID:
475200
Weight:
3.65ct
Size:
19.1 x 12.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
10.13
Item in Stock
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ID:
617608
Weight:
32.84ct
Size:
22.6 x 23.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
31.20
Item in Stock
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ID:
533512
Weight:
2.10ct
Size:
9 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
13.69
Item in Stock
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ID:
737682
Weight:
25.91ct
Size:
34.2 x 10.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
2.59
Item in Stock
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ID:
408267
Weight:
12.25ct
Size:
14 x 14 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
28.94
Item in Stock
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ID:
437826
Weight:
1.07ct
Size:
19.2 x 2.6 mm
Clarity:
VS
Content:
1 pc
Price:
$
35.32
Item in Stock
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ID:
651759
Weight:
13.63ct
Size:
24.4 x 19.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
25.02
Item in Stock
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ID:
400731
Weight:
5.37ct (total)
Size:
8 mm (calibrated)
Clarity:
VVS-VS
Content:
3 pcs
Price:
$
17.71
Item in Stock
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ID:
663364
Weight:
3.45ct
Size:
12 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
28.98
Item in Stock
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ID:
673545
Weight:
1.74ct
Size:
9 x 7 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
41.76
Item in Stock
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ID:
615299
Weight:
1.14ct
Size:
7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
12.04
Item in Stock
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ID:
678336
Weight:
3.30ct
Size:
8.8 x 7.8 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
118.80
Item in Stock
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ID:
448145
Weight:
3.75ct (total)
Size:
8 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
9.77
Item in Stock
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ID:
699665
Weight:
8.06ct
Size:
14 x 12.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
7.74
Item in Stock
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ID:
341975
Weight:
4.28ct (total)
Size:
4 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
10 pcs
Price:
$
41.53
Item in Stock
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ID:
674449
Weight:
10.19ct
Size:
25.9 x 15 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
17.12
Item in Stock
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ID:
500386
Weight:
1.82ct
Size:
11.8 x 6.1 mm
Clarity:
VS
Price:
$
16.81
Item in Stock
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Select
1
2
3
4
pcs 0 in Cart
ID:
696535
Weight:
11.04ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
19.87
Item in Stock
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ID:
556863
Weight:
2.85ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
23.86
Item in Stock
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ID:
349549
Weight:
1.17ct
Size:
13.7 x 3.3 mm
Clarity:
VVS
Content:
1 pc
Price:
$
33.97
Item in Stock
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ID:
484088
Weight:
51.95ct
Size:
34.6 x 26.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
102.86
Item in Stock
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ID:
433581
Weight:
5.33ct
Size:
16.4 x 11.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
73.87
Item in Stock
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ID:
569908
Weight:
2.53ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
18.64
Item in Stock
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ID:
563548
Weight:
2.93ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
17.58
Item in Stock
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ID:
598630
Weight:
1.49ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
29.51
Item in Stock
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ID:
730836
Weight:
1.14ct
Size:
7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
10.94
Item in Stock
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ID:
485047
Weight:
39.53ct
Size:
44.9 x 16.7 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
39.12
Item in Stock
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ID:
696901
Weight:
28.75ct
Size:
35.3 x 10.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
3.46
Item in Stock
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ID:
706364
Weight:
9.34ct
Size:
13.6 x 11.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
19.06
Item in Stock
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ID:
552261
Weight:
3.18ct
Size:
11 x 9 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
29.39
Item in Stock
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ID:
725205
Weight:
23.62ct
Size:
26.3 x 18.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
85.03
Item in Stock
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ID:
655767
Weight:
0.90ct
Size:
7 x 7 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
21.60
Item in Stock
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ID:
490909
Weight:
3.73ct (total)
Size:
5.5 mm (calibrated)
Clarity:
VS
Content:
5 pcs
Price:
$
43.92
Item in Stock
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ID:
528135
Weight:
9.30ct
Size:
16 x 12 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
67.27
Item in Stock
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ID:
687848
Weight:
0.33ct
Size:
5 x 3 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
15.84
Item in Stock
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ID:
416245
Weight:
0.94ct
Size:
15.4 x 2.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
27.07
Item in Stock
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ID:
594827
Weight:
0.85ct
Size:
5 x 5 mm (calibrated)
Clarity:
SI
Price:
$
20.20
Item in Stock
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Select
1
2
3
4
pcs 0 in Cart
ID:
675011
Weight:
2.91ct
Size:
10 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
24.44
Item in Stock
More Options & Item Details
ID:
699143
Weight:
21.52ct
Size:
25.4 x 10.9 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
25.82
Item in Stock
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ID:
509139
Weight:
33.63ct
Size:
26.3 x 16.9 mm
Clarity:
IF
Content:
1 pc
Price:
$
310.74
Item in Stock
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ID:
672669
Weight:
2.19ct
Size:
10 x 8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
52.56
Item in Stock
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ID:
688234
Weight:
0.18ct
Size:
3.2 x 3.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
11.88
Item in Stock
More Options & Item Details
ID:
576116
Weight:
1.32ct
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
66.22
Item in Stock
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ID:
467759
Weight:
5.61ct (total)
Size:
3.1 mm
Clarity:
Transparent
Content:
30 pcs
Price:
$
37.03
Item in Stock
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ID:
431311
Weight:
1.80ct
Size:
6.6 x 6.5 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
42.77
Item in Stock
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ID:
447380
Weight:
18.24ct
Size:
29.1 x 17.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
262.66
Item in Stock
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ID:
747222
Weight:
0.14ct
Size:
3.3 mm
Clarity:
VVS
Content:
1 pc
Price:
$
283.20
Item in Stock
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ID:
606043
Weight:
23.59ct
Size:
21.8 x 19 mm
Clarity:
VS
Content:
1 pc
Price:
$
217.97
Item in Stock
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ID:
449348
Weight:
0.87ct
Size:
13.9 x 2.6 mm
Clarity:
VVS
Content:
1 pc
Price:
$
31.32
Item in Stock
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ID:
558040
Weight:
1.11ct
Size:
6.6 x 5.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
73.32
Item in Stock
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ID:
454206
Weight:
0.90ct
Size:
9.8 x 4.4 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
38.02
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
Was a good experience.
Posted By Tim in July, 2025
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Overall Rating -> 10
I'm happy.
Posted By Ray in January, 2025
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Overall Rating -> 10
I like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.
Posted By Nate in March, 2025
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Overall Rating -> 10
Very large selection from affordable to high end I will be coming back to shop again!
Posted By GreenGator in August, 2025
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Overall Rating -> 10
Had a great experience and the prices are great
Posted By BuBx99 in November, 2025
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Overall Rating -> 10
Great site for finding specific stones and sizes for individual pieces of jewelry
Posted By Designer in December, 2025
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Overall Rating -> 10
So far So good
Posted By VH-1 in July, 2025
Source: Bizrate
Overall Rating -> 10
I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring
Posted By Desertchick in April, 2025
Source: Bizrate
Overall Rating -> 8
First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.
Posted By Salvo in July, 2025
Source: Bizrate