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Gemtypes in Category:
Onyx (313)
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ID:
668905
Weight:
6.79ct (total)
Size:
9.9 x 9.4 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
6.79
Item in Stock
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ID:
721789
Weight:
10.14ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
12.17
Item in Stock
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ID:
721384
Weight:
8.80ct
Size:
14.8 x 9.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
10.56
Item in Stock
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ID:
669295
Weight:
33.29ct
Size:
23.4 x 21.4 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
39.95
Item in Stock
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ID:
668859
Weight:
10.39ct
Size:
19 x 14.5 mm
Clarity:
Opaque
Price:
$
12.47
Item in Stock
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ID:
669296
Weight:
24.74ct
Size:
25.7 x 19.6 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
29.69
Item in Stock
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ID:
721551
Weight:
8.82ct (total)
Size:
10.5 x 10.4 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
10.58
Item in Stock
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ID:
669131
Weight:
4.24ct
Size:
10 x 10 mm (calibrated)
Clarity:
Opaque
Price:
$
5.09
Item in Stock
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1
2
3
pcs 0 in Cart
ID:
722142
Weight:
20.03ct (total)
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
24.04
Item in Stock
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ID:
722136
Weight:
21.71ct (total)
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
26.05
Item in Stock
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ID:
722407
Weight:
11.38ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Price:
$
13.66
Item in Stock
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ID:
721380
Weight:
9.47ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Price:
$
11.36
Item in Stock
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ID:
687941
Weight:
1.43ct
Size:
6.5 mm (calibrated)
Clarity:
Opaque
Price:
$
3.43
Item in Stock
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ID:
668915
Weight:
9.65ct (total)
Size:
11 x 11 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
11.58
Item in Stock
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ID:
687559
Weight:
2.06ct (total)
Size:
6.5 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
4.94
Item in Stock
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ID:
669133
Weight:
3.35ct
Size:
9.9 x 9.3 mm
Clarity:
Opaque
Price:
$
4.02
Item in Stock
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1
2
3
4
pcs 0 in Cart
ID:
688335
Weight:
2.83ct (total)
Size:
7 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
6.79
Item in Stock
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ID:
722139
Weight:
21.54ct (total)
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
25.85
Item in Stock
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ID:
721386
Weight:
9.80ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
11.76
Item in Stock
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ID:
721603
Weight:
9.16ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
10.99
Item in Stock
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ID:
688032
Weight:
2.69ct (total)
Size:
7 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
6.46
Item in Stock
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ID:
722357
Weight:
17.51ct (total)
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
21.01
Item in Stock
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ID:
672137
Weight:
4.70ct
Size:
11 x 11 mm (calibrated)
Clarity:
Opaque
Price:
$
11.28
Item in Stock
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Select
1
2
3
pcs 0 in Cart
ID:
669899
Weight:
4.31ct
Size:
10.4 x 10.3 mm
Clarity:
Opaque
Price:
$
5.17
Item in Stock
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1
2
3
4
pcs 0 in Cart
ID:
687946
Weight:
1.03ct
Size:
6.5 mm (calibrated)
Clarity:
Opaque
Price:
$
2.47
Item in Stock
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Select
1
2
3
4
pcs 0 in Cart
ID:
687832
Weight:
2.86ct (total)
Size:
7 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
6.86
Item in Stock
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ID:
721331
Weight:
4.31ct
Size:
10.5 x 10.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
5.17
Item in Stock
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ID:
668255
Weight:
9.56ct (total)
Size:
11 x 11 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
11.47
Item in Stock
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ID:
673177
Weight:
8.18ct (total)
Size:
13 x 11 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
19.63
Item in Stock
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ID:
668248
Weight:
8.59ct (total)
Size:
10 x 10 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
10.31
Item in Stock
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ID:
688024
Weight:
2.58ct (total)
Size:
6.5 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
6.19
Item in Stock
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ID:
721786
Weight:
9.91ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Price:
$
11.89
Item in Stock
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ID:
721606
Weight:
9.20ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Price:
$
11.04
Item in Stock
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ID:
721791
Weight:
10.10ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Price:
$
12.12
Item in Stock
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Select
1
2
3
pcs 0 in Cart
ID:
722406
Weight:
10.50ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Price:
$
12.60
Item in Stock
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Select
1
2
3
4
5
pcs 0 in Cart
ID:
721333
Weight:
4.12ct
Size:
10 x 10 mm (calibrated)
Clarity:
Opaque
Price:
$
4.94
Item in Stock
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Select
1
2
3
4
5
6
7
8
pcs 0 in Cart
ID:
669299
Weight:
17.01ct
Size:
21.8 x 17.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
20.52
Item in Stock
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ID:
669678
Weight:
8.38ct (total)
Size:
10.5 x 10.4 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
10.06
Item in Stock
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ID:
669109
Weight:
9.70ct (total)
Size:
11 x 11 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
11.64
Item in Stock
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ID:
687836
Weight:
2.74ct (total)
Size:
7 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
6.58
Item in Stock
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ID:
672935
Weight:
4.06ct
Size:
13 x 11 mm (calibrated)
Clarity:
Opaque
Price:
$
9.74
Item in Stock
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1
2
3
4
pcs 0 in Cart
ID:
721601
Weight:
10.40ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
12.48
Item in Stock
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ID:
672136
Weight:
4.54ct
Size:
11 x 11 mm (calibrated)
Clarity:
Opaque
Price:
$
10.90
Item in Stock
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1
2
3
4
5
6
7
pcs 0 in Cart
ID:
672896
Weight:
20.88ct
Size:
22.1 x 15.8 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
112.75
Item in Stock
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ID:
687779
Weight:
2.17ct (total)
Size:
5.5 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
5.21
Item in Stock
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ID:
721387
Weight:
8.88ct
Size:
14.5 x 9.5 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
10.66
Item in Stock
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ID:
687837
Weight:
2.64ct (total)
Size:
7 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
6.34
Item in Stock
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ID:
721376
Weight:
9.48ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
11.38
Item in Stock
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ID:
672031
Weight:
19.42ct
Size:
25 x 18 mm (calibrated)
Clarity:
Opaque
Price:
$
46.61
Item in Stock
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1
2
3
4
5
pcs 0 in Cart
ID:
687557
Weight:
2.31ct (total)
Size:
6.5 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
5.54
Item in Stock
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ID:
668090
Weight:
8.41ct (total)
Size:
10 x 10 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
10.09
Item in Stock
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ID:
721544
Weight:
8.66ct (total)
Size:
10.5 x 10.3 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
10.39
Item in Stock
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ID:
721545
Weight:
8.42ct (total)
Size:
10.4 x 10.3 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
10.10
Item in Stock
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ID:
721541
Weight:
8.67ct (total)
Size:
10.5 x 10.3 mm
Clarity:
Opaque
Content:
2 pcs
Price:
$
8.67
Item in Stock
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ID:
721338
Weight:
4.33ct
Size:
10 x 10 mm (calibrated)
Clarity:
Opaque
Price:
$
5.20
Item in Stock
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Select
1
2
3
4
5
pcs 0 in Cart
ID:
688460
Weight:
2.43ct (total)
Size:
5.5 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
5.83
Item in Stock
More Options & Item Details
ID:
722400
Weight:
10.14ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
12.17
Item in Stock
More Options & Item Details
ID:
688034
Weight:
2.61ct (total)
Size:
7 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
6.26
Item in Stock
More Options & Item Details
ID:
669134
Weight:
4.24ct
Size:
10 x 10 mm (calibrated)
Clarity:
Opaque
Price:
$
5.09
Item in Stock
More Options & Item Details
Select
1
2
3
pcs 0 in Cart
ID:
688029
Weight:
2.58ct (total)
Size:
7 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
6.19
Item in Stock
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Why Buy Black Onyx from GemSelect?
GemSelect Certified Store Reviews
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 10
I love the quality, package and info of your gems.
Posted By Diana in April, 2025
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
Overall Rating -> 10
Very good
Posted By Niska in August, 2025
Source: Bizrate
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
I could see the actual gem I was buying
Posted By Bugs in December, 2025
Source: Bizrate
Overall Rating -> 10
My experience was done with ease
Posted By Barb in October, 2025
Source: Bizrate
Overall Rating -> 10
Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.
Posted By Fried Rice in August, 2025
Source: Bizrate
Overall Rating -> 10
I really liked the email, and the link that help return me to the site. I didnt have access to my card info while checking out and I had to put my phone away so I lost the tab. Fortunately, since I did give an email- they sent me a link that brought me back to where I was. Greatly appreciated
Posted By Jag in January, 2025
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Overall Rating -> 9
I did not have any problems
Posted By Clilrichard in January, 2025
Source: Bizrate