Beautiful and unique  | Save up to 40% Off >

Solitaire Onyx Engagement Ring
The Onyx Mariano Ring
Load image into Gallery viewer, Solitaire Onyx Engagement Ring
Load image into Gallery viewer, The Onyx Mariano Ring

The Onyx Mariano Ring

Regular price $430

Unit price per 

tax included

Free Shipping, 30 Day Return policy.
Order now and your order ships by Thursday March 4th - Monday March 15th.

Meticulously executed in White Gold, this stunning low profile heirloom quality onyx solitaire ring features a secure bezel set shimmering 0.60 carat round brilliant cut black onyx. 
This ring has a low profile design, with polish finish, making it a great choice for the ladies with an active lifestyle, which will not "catch" on things and get in the way of a busy daily routine.

  • Width at top of ring: 6mm 
  • Width at bottom of ring: 2.2mm 
  • Height Above Finger: 3.5mm 
  • Stone: Natural Black Onyx


Open tab

What Is Natural Gold?

Juliet & Oliver is the only jewelry company to use a unique non-toxic gold alloy. Our products are %100 nickel-free and do not contain any of the commercial heavy metals usually used by jewelry manufacturers.


Open tab
With our ForeverWhite Gold your jewelry will stay white and beautiful forever! 
ForeverWhite Gold does not change color and does not require any form of plating that wears off over time.

Refunds & Exchanges

Open tab

We will accept returns and exchanges on most pieces (see full policy here). Items must be returned in unworn condition within 30 days of receipt, and all paperwork  MUST be returned as well. After 30 days, all sales are final.


Why Juliet&Oliver?

Always Nickel-Free.

Not Mass Produced.

Handmade, Made To Order.

Heirloom Quality.

Learn more
Close (esc)


Use this popup to embed a mailing list sign up form. Alternatively use it as a simple call to action with a link to a product or a page.

Age verification

By clicking enter you are verifying that you are old enough to consume alcohol.


Your cart is currently empty.
Shop now