X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

Buy Black Onyx Gems

Black Onyx Weight
Black Onyx Size
Black Onyx Clarity
Black Onyx Price

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color
Black Black Onyx
Blue
Brown
Golden
Gray
Green
Multicolor
Orange
Pink
Purple
Red
Turquoise
Violet
White
Yellow
Single
Pairs
Lots
Faceted
Cabochons
X
Clear All
ID: 672135
Weight: 4.92
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 11.81
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 673180
Weight: 8.07
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 19.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 721793
Weight: 9.82
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 671953
Weight: 4.85
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 11.64
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 669899
Weight: 4.31
Size: 10.4 x 10.3 mm
Clarity: Opaque
Price: $ 5.17
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 669129
Weight: 4.30
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Price: $ 5.16
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 688180
Weight: 2.10
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 5.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 687661
Weight: 2.06
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 4.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 669676
Weight: 8.51
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 8.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 671961
Weight: 4.89
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 11.74
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 721548
Weight: 8.57
Size: 10.5 x 10.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 669436
Weight: 8.57
Size: 10.5 x 10.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 721334
Weight: 3.90
Size: 10.5 x 10.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 4.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 722357
Weight: 17.51
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 21.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 688179
Weight: 1.98
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 4.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 688337
Weight: 3.22
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 7.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 722393
Weight: 4.35
Size: 10.5 x 10.4 mm
Clarity: Opaque
Price: $ 5.22
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 672935
Weight: 4.06
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 9.74
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 672140
Weight: 4.85
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 11.64
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 722403
Weight: 10.51
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Price: $ 12.61
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 687500
Weight: 1.63
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 3.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 668251
Weight: 8.67
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 10.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 721336
Weight: 4.19
Size: 10.4 x 10.4 mm
Clarity: Opaque
Price: $ 5.03
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 722406
Weight: 10.50
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Price: $ 12.60
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 669678
Weight: 8.38
Size: 10.5 x 10.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 669544
Weight: 19.71
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 23.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 721549
Weight: 8.54
Size: 10.5 x 10.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 688460
Weight: 2.43
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 5.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 722404
Weight: 11.28
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 669299
Weight: 17.01
Size: 21.8 x 17.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 721338
Weight: 4.33
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Price: $ 5.20
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 668249
Weight: 8.54
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 10.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 721791
Weight: 10.10
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Price: $ 12.12
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 687783
Weight: 2.31
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 5.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 669133
Weight: 3.35
Size: 9.9 x 9.3 mm
Clarity: Opaque
Price: $ 4.02
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 687663
Weight: 2.11
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 5.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 669673
Weight: 8.61
Size: 10.5 x 10.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 721606
Weight: 9.20
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Price: $ 11.04
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 669677
Weight: 8.77
Size: 10.5 x 10.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 721384
Weight: 8.80
Size: 14.8 x 9.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 673305
Weight: 21.84
Size: 22 x 15.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 117.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 669493
Weight: 27.22
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 32.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 687550
Weight: 1.84
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 4.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 672229
Weight: 4.70
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 11.28
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 669669
Weight: 8.31
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 9.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 669296
Weight: 24.74
Size: 25.7 x 19.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 669675
Weight: 8.57
Size: 10.4 x 10.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 688184
Weight: 2.19
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 5.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 721379
Weight: 11.00
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 687558
Weight: 2.41
Size: 6.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 5.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 721540
Weight: 8.50
Size: 10.5 x 10.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 669223
Weight: 4.26
Size: 10.4 x 10.3 mm
Clarity: Opaque
Price: $ 5.11
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 688024
Weight: 2.58
Size: 6.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 6.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 672936
Weight: 4.20
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 10.08
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 722132
Weight: 19.62
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 23.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 687657
Weight: 2.11
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 5.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 722138
Weight: 20.42
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 24.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 672131
Weight: 4.56
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 10.94
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 687655
Weight: 2.26
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 5.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 688032
Weight: 2.69
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 6.46
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
4
1 - 5

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 star ratings

The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.

Posted By Jen in December, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love, and have always loved, your website.

Posted By Aberabic in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

They have literally everything on this website! The prices are also pretty good, I was able to find plenty of nice stones that I could afford!

Posted By JC in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Very neat and to the point

Posted By Botha in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.

Posted By YE in October, 2025
Source: Bizrate
Enlarged Gemstone Image