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
  • Actual Product Photos
  • Reliable Quality
  • Full Transparency
  • Large Selection
  • Affordable Prices
  • Fast, Secure Global Shipping
ID: 669490
Weight: 22.42ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 22.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 669290
Weight: 32.30ct
Size: 25.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 669288
Weight: 33.59ct
Size: 26.8 x 17.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 671951
Weight: 4.94ct
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 9.88
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 673307
Weight: 23.37ct
Size: 22.1 x 16 mm
Clarity: Opaque
Content: 1 pc
Price: $ 126.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 669291
Weight: 26.38ct
Size: 23.1 x 18 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 687774
Weight: 1.70ct (total)
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 4.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 668337
Weight: 10.74ct
Size: 19.1 x 14.5 mm
Clarity: Opaque
Price: $ 9.89
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 669546
Weight: 21.26ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 25.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 687776
Weight: 2.19ct (total)
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 5.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 687832
Weight: 2.86ct (total)
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 6.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 721334
Weight: 3.90ct
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: 688437
Weight: 1.23ct
Size: 5.5 mm (calibrated)
Clarity: Opaque
Price: $ 2.95
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 688431
Weight: 1.03ct
Size: 5.5 mm (calibrated)
Clarity: Opaque
Price: $ 2.47
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 672896
Weight: 20.88ct
Size: 22.1 x 15.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 112.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 668255
Weight: 9.56ct (total)
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 11.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 722401
Weight: 10.04ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.05
Item in Stock
More Options & Item Details
Add to Cart
ID: 721609
Weight: 10.11ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.11
Item in Stock
More Options & Item Details
Add to Cart
ID: 668249
Weight: 8.54ct (total)
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: 684432
Weight: avg. 0.15 ct / each
Size: 3.3 mm
Clarity: Opaque
Price: $ 0.45
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 688186
Weight: 2.33ct (total)
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 5.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 721335
Weight: 4.14ct
Size: 10.4 x 10.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 4.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 687658
Weight: 2.36ct (total)
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 5.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 672131
Weight: 4.56ct
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 10.94
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 722388
Weight: 10.59ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Price: $ 12.71
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 687553
Weight: 2.88ct (total)
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 6.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 672032
Weight: 19.74ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Price: $ 47.38
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 721551
Weight: 8.82ct (total)
Size: 10.5 x 10.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 668335
Weight: 4.78ct
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 5.74
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 687497
Weight: 1.42ct
Size: 7 mm (calibrated)
Clarity: Opaque
Price: $ 3.41
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 672137
Weight: 4.70ct
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 11.28
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 688180
Weight: 2.10ct (total)
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 5.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 721794
Weight: 10.32ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 687942
Weight: 1.16ct
Size: 6.5 mm (calibrated)
Clarity: Opaque
Price: $ 2.78
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 721377
Weight: 8.25ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Price: $ 9.90
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 687653
Weight: 1.78ct (total)
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 4.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 669431
Weight: 8.64ct (total)
Size: 10.5 x 10.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 688432
Weight: 0.85ct
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 2.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 722385
Weight: 22.03ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 26.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 688341
Weight: 3.07ct (total)
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 7.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 688175
Weight: 2.04ct (total)
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 4.90
Item in Stock
More Options & Item Details
Add to Cart
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
Add to Cart
ID: 722138
Weight: 20.42ct (total)
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: 721603
Weight: 9.16ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 687499
Weight: 1.34ct
Size: 7 mm (calibrated)
Clarity: Opaque
Price: $ 3.22
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 722357
Weight: 17.51ct (total)
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: 672940
Weight: 4.26ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 669296
Weight: 24.74ct
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: 668859
Weight: 10.39ct
Size: 19 x 14.5 mm
Clarity: Opaque
Price: $ 12.47
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 669671
Weight: 8.31ct (total)
Size: 10.4 x 10.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 9.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 672028
Weight: 19.29ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Price: $ 46.30
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 688178
Weight: 2.05ct (total)
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 4.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 721611
Weight: 11.14ct
Size: 17.8 x 10 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 722390
Weight: 9.35ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 688182
Weight: 1.98ct (total)
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 4.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 669497
Weight: 20.38ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 24.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 722397
Weight: 10.51ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Price: $ 12.61
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 673304
Weight: 12.12ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Price: $ 29.09
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 669434
Weight: 8.49ct (total)
Size: 10.5 x 10.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 671956
Weight: 4.76ct
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 11.42
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
1 - 6

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

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All Good

Posted By Boru in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I have bought from you before and have found your gems exceed my expectations. I have been very satisfied with all gems sent to me. I will be back. Thanks....

Posted By Dork in September, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!

Posted By Leo in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I trust this company to deliver exactly what is offered. I have never had to return a selection of Gems. I appreciate the company's detailed description of their product. It helps this customer find mounts before the gems arrive. Any day of the year one can find a wide selection of gems, be it by price, color, cut, lot or single. Pricing does not jump all over the place and stays reasonable. Be assured your items will arrive in perfect condition as the company's shipping department does a great job.

Posted By Miss Sherrie in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Had no difficulty with the website. The only difficulty I had today was making the choice of what I wanted to purchase. There are just so many delicious stones to choose from!!

Posted By Desertchick in July, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I love the gems!

Posted By MM in April, 2025
Source: Bizrate
Enlarged Gemstone Image