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 (36)
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 Garnet (190)
Color-Change Sapphire (4)
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Diamond (611)
Druzy Amethyst (3)
Druzy Azurite (13)
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Druzy Variscite (130)
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Fire Opal (124)
Fluorite (160)
Fossil Coral (316)
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Ruby (4)
Ruby in Fuchsite (90)
Ruby-Zoisite (209)
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Sillimanite Cat's Eye (376)
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Snowflake Obsidian (21)
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Spectrolite (120)
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Sphalerite (345)
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Spinel (942)
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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:
368921
Weight:
2.23ct
Size:
8.5 x 7.7 mm
Clarity:
Transparent/Translucent
Content:
1 pc
Price:
$
14.48
Item in Stock
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ID:
411426
Weight:
2.35ct
Size:
10 x 8 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
70.01
Item in Stock
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ID:
398858
Weight:
6.66ct (total)
Size:
8 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
61.54
Item in Stock
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ID:
390595
Weight:
2.63ct (total)
Size:
5 x 3 mm (calibrated)
Clarity:
VS
Content:
10 pcs
Price:
$
169.27
Item in Stock
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ID:
419936
Weight:
0.99ct
Size:
6.2 x 5.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
45.74
Item in Stock
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ID:
678160
Weight:
1.06ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
8.90
Item in Stock
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ID:
460044
Weight:
5.26ct
Size:
15 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
48.60
Item in Stock
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ID:
745518
Weight:
4.26ct
Size:
10.6 x 8.3 mm
Clarity:
VVS
Content:
1 pc
Price:
$
213.00
Item in Stock
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ID:
449252
Weight:
1.33ct
Size:
20.9 x 3 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
52.67
Item in Stock
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ID:
713862
Weight:
17.03ct
Size:
20 x 15 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
143.05
Item in Stock
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ID:
447170
Weight:
2.20ct
Size:
8.9 x 6.4 mm
Clarity:
VS
Content:
1 pc
Price:
$
94.51
Item in Stock
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ID:
697848
Weight:
2.31ct (total)
Size:
7.1 x 5.8 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
13.86
Item in Stock
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ID:
698526
Weight:
3.17ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
26.63
Item in Stock
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ID:
324054
Weight:
3.87ct (total)
Size:
8 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
5 pcs
Price:
$
32.18
Item in Stock
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ID:
431746
Weight:
1.39ct (total)
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
14.66
Item in Stock
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ID:
725316
Weight:
5.91ct
Size:
9.5 x 9.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
5.61
Item in Stock
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ID:
473789
Weight:
0.94ct
Size:
9.6 x 5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
68.24
Item in Stock
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ID:
541561
Weight:
3.82ct (total)
Size:
8.2 x 6.7 mm
Clarity:
VS-SI
Content:
2 pcs
Price:
$
76.74
Item in Stock
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ID:
672550
Weight:
2.39ct
Size:
10 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
57.36
Item in Stock
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ID:
547762
Weight:
1.71ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
34.66
Item in Stock
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ID:
669550
Weight:
16.97ct
Size:
20.2 x 12.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
50.92
Item in Stock
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ID:
554635
Weight:
0.94ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
7.44
Item in Stock
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ID:
466428
Weight:
5.32ct (total)
Size:
6.5 mm (calibrated)
Clarity:
Translucent
Content:
7 pcs
Price:
$
196.63
Item in Stock
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ID:
708205
Weight:
22.46ct
Size:
25.2 x 16.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
80.86
Item in Stock
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ID:
648848
Weight:
5.76ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
10.37
Item in Stock
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ID:
456483
Weight:
3.52ct (total)
Size:
6 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
32.52
Item in Stock
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ID:
727035
Weight:
1.00ct
Size:
9 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
25.00
Item in Stock
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ID:
693226
Weight:
7.75ct
Size:
12 x 12 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
7.44
Item in Stock
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ID:
711275
Weight:
30.89ct
Size:
26.7 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
61.54
Item in Stock
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ID:
428161
Weight:
3.37ct (total)
Size:
8 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
8.89
Item in Stock
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ID:
511630
Weight:
1.52ct
Size:
7.4 x 5.9 mm
Clarity:
VS
Content:
1 pc
Price:
$
28.40
Item in Stock
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ID:
499219
Weight:
2.11ct
Size:
10.5 x 5.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
417.78
Item in Stock
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ID:
713954
Weight:
1.82ct (total)
Size:
8 x 6 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
15.29
Item in Stock
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ID:
437382
Weight:
1.68ct
Size:
6.5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
44.35
Item in Stock
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ID:
472126
Weight:
13.81ct
Size:
17.8 x 14.2 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
127.61
Item in Stock
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ID:
710222
Weight:
3.03ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
25.45
Item in Stock
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ID:
413156
Weight:
1.09ct
Size:
6.2 x 5.7 mm
Clarity:
VS
Content:
1 pc
Price:
$
49.98
Item in Stock
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ID:
424865
Weight:
1.09ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
43.16
Item in Stock
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ID:
744512
Weight:
24.57ct (total)
Size:
23.1 x 12.2 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
122.85
Item in Stock
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ID:
558618
Weight:
1.08ct
Size:
6.3 x 5.8 mm
Clarity:
VS
Content:
1 pc
Price:
$
78.47
Item in Stock
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ID:
478372
Weight:
1.59ct
Size:
8.1 x 5.4 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
56.03
Item in Stock
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ID:
345380
Weight:
29.36ct
Size:
31.2 x 18 mm
Clarity:
Transparent/Translucent
Content:
1 pc
Price:
$
44.96
Item in Stock
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ID:
720161
Weight:
0.92ct
Size:
6.3 x 5.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
165.60
Item in Stock
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ID:
720848
Weight:
1.49ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
12.52
Item in Stock
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ID:
721740
Weight:
37.87ct
Size:
31.8 x 21 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
45.44
Item in Stock
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ID:
685869
Weight:
1.10ct
Size:
6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
20.24
Item in Stock
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ID:
667116
Weight:
1.19ct
Size:
7 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
24.41
Item in Stock
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ID:
670727
Weight:
0.81ct
Size:
5.3 x 4.5 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
29.16
Item in Stock
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ID:
706410
Weight:
10.03ct
Size:
13.8 x 12.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
20.46
Item in Stock
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ID:
357706
Weight:
3.87ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
VVS-VS
Content:
10 pcs
Price:
$
25.55
Item in Stock
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ID:
499242
Weight:
1.94ct
Size:
7.3 x 7.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
34.82
Item in Stock
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ID:
551437
Weight:
2.76ct
Size:
10 x 10 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
24.92
Item in Stock
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ID:
708201
Weight:
22.58ct
Size:
26.5 x 15.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
81.29
Item in Stock
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ID:
485744
Weight:
7.39ct
Size:
11 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
62.08
Item in Stock
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ID:
710191
Weight:
3.10ct
Size:
12.8 x 12 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
9.04
Item in Stock
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ID:
717964
Weight:
0.98ct
Size:
5.9 x 5 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
29.40
Item in Stock
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ID:
389594
Weight:
2.78ct (total)
Size:
6.9 x 6.2 mm
Clarity:
Transparent
Content:
2 pcs
Price:
$
18.35
Item in Stock
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ID:
691713
Weight:
0.41ct
Size:
4.8 x 4 mm
Clarity:
SI-I1
Content:
1 pc
Price:
$
24.60
Item in Stock
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ID:
418426
Weight:
8.59ct
Size:
16.1 x 11 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
17.00
Item in Stock
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ID:
664617
Weight:
2.27ct
Size:
9 x 7 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
49.03
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
excellent deals-excellent service-fair prices
Posted By JD in April, 2025
Source: Bizrate
Overall Rating -> 10
went well
Posted By Doug in May, 2025
Source: Bizrate
Overall Rating -> 10
I always purchase my stones from GemSelect, their products are high quality and customer service is always great. I also like the fact that I am able to purchase unique items
Posted By Desperaux in November, 2025
Source: Bizrate
Overall Rating -> 10
Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.
Posted By JD in July, 2025
Source: Bizrate
Overall Rating -> 10
I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.
Posted By Sam in March, 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 -> 9
I wish there were options for jewelry settings
Posted By Tim in May, 2025
Source: Bizrate
Overall Rating -> 10
Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.
Posted By Darkstar in June, 2025
Source: Bizrate
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