search
  • Sign In
    Sign Up
  • English speaking customer support only

    1-800-464-1640

    International:

    +66-39601289

  • Change Language
  • USD
  • CART
FREE SHIPPING

Buy 18 x 13 mm Onyx Gems

(3)
18 x 13 mm Onyx Weight 18 x 13 mm Onyx Size 18 x 13 mm Onyx Clarity 18 x 13 mm Onyx Price 18 x 13 mm Onyx Origin
More
18 x 13 mm Onyx Single
18 x 13 mm Onyx Pairs
18 x 13 mm Onyx Lots
18 x 13 mm Onyx Faceted
18 x 13 mm Onyx Cabochons
Sort By:
Clear All
Photos are of Actual Products for Sale

12.32 ct Oval Onyx, 18.2 x 13.3 mm From Sri Lanka

Natural Onyx, Qty: 1 pc | 12.32 carat weight Onyx

12.32ct1 Piece
$ 24.64
18.2 x 13.3 mm
Item Description
Stone Type: Loose Onyx
Onyx Weight: 12.32 ct Onyx
Onyx Shape: Oval Cabochon Onyx
Onyx Size: 18.2 x 13.3 mm Onyx
Onyx Color: Black Onyx
Onyx Clarity: Opaque Onyx
Onyx Origin: Sri Lanka Onyx
Onyx Treatment: Dyed
Onyx Quantity: 1
Onyx Certificate: GemSelect
Product Description:
View Details
Add to Cart

12.12 ct Oval Onyx, 18.2 x 13.1 mm From Sri Lanka

Natural Onyx, Qty: 1 pc | 12.12 carat weight Onyx

12.12ct1 Piece
$ 24.24
18.2 x 13.1 mm
Item Description
Stone Type: Loose Onyx
Onyx Weight: 12.12 ct Onyx
Onyx Shape: Oval Cabochon Onyx
Onyx Size: 18.2 x 13.1 mm Onyx
Onyx Color: Black Onyx
Onyx Clarity: Opaque Onyx
Onyx Origin: Sri Lanka Onyx
Onyx Treatment: Dyed
Onyx Quantity: 1
Onyx Certificate: GemSelect
Product Description:
View Details
Add to Cart

11.4 ct Oval Onyx, 18.2 x 13.3 mm From Sri Lanka

Natural Onyx, Qty: 1 pc | 11.40 carat weight Onyx

11.40ct1 Piece
$ 22.80
18.2 x 13.3 mm
Item Description
Stone Type: Loose Onyx
Onyx Weight: 11.40 ct Onyx
Onyx Shape: Oval Cabochon Onyx
Onyx Size: 18.2 x 13.3 mm Onyx
Onyx Color: Black Onyx
Onyx Clarity: Opaque Onyx
Onyx Origin: Sri Lanka Onyx
Onyx Treatment: Dyed
Onyx Quantity: 1
Onyx Certificate: GemSelect
Product Description:
View Details
Add to Cart
Read All

Over 19 Years in the Gemstone Business!

Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

Found what I was looking for

Posted By Rian in June, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

After having looked at other purchasing sites, this is my first choice.

Posted By MJC in January, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection of various gems, easy to navigate site

Posted By Josh in August, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

Very good customer service. I had an issue on my end with shipping and I received a response the next day!

Posted By Orphanboy in December, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

Very pleased with shopping on this site. It's easy to navigate and information about gemstones is very good.

Posted By Kate in December, 2023
Source: Bizrate

Overall Rating -> 9 star ratings

Well presented images, clear information, quick and easy check out.

Posted By Mr. Bezel in July, 2023
Source: Bizrate

Overall Rating -> 8 star ratings

I did not realize how small the stone was. I cannot use it for the project I wanted, but I am keeping the stone and tru to use it in something else.

Posted By Mark in March, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

Not easy enough to buy by exact size, and many stones aren't carbechon curved shape on top

Posted By Erick in July, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and fast

Posted By Mark in February, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

Overall good, shipping prices just seem a little on the high side.

Posted By Steve in August, 2023
Source: Bizrate

Overall Rating -> 7 star ratings

I placed order#384714 based on the picture on your website and the stone came in much darker. I'm sure it's the same stone i ordered but your lighting made it seem a lighter blue. I was trying to match a stone for a customer and based on the picture it would have been close enough but the stone in person is a mile off.

Posted By Bobk in February, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I really enjoy browsing through GemSelect. The selection is always marvelous and I love how detailed everything is described. The only thing I noticed is that when browsing through my phone, the videos of the gems do not load. If there were more videos of the gems, that would be amazing, though I understand that is a lot of work on GemSelect's part! Checking out is also very fast and easy, and I love that the return policy is very good, though I hope I don't have to use it anytime soon.

Posted By ChiChi in January, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

No issues at all. It was great.

Posted By LJXK in May, 2023
Source: Bizrate

Overall Rating -> 8 star ratings

Found on a search engine. Scanned inventory and made a small purchase.

Posted By Ralli in August, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

Super easy to do business for great products.

Posted By BoBBy in January, 2024
Source: Bizrate
STAY IN TOUCH | NEWSLETTER
*You're signing up to receive GemSelect promotional email.
Partners and Trust Payment options

Switch to Mobile Version

Copyright © 2005-2024 GemSelect.com all rights reserved.

Reproduction (text or graphics) without the express written consent of GemSelect.com (SETT Company Ltd.) is strictly prohibited.

6663

Continue Shopping
Checkout
Continue Shopping
Checkout