The Onyx Black Carbon Fiber Inlaid Black Ceramic Wedding Band 6mm or 8mm
The Onyx is sleek, bold, and crafted for modern sophistication. Available in 6mm or 8mm widths, this men’s wedding band combines the deep luster of black ceramic with a striking black carbon fiber inlay—creating a textured, high-performance aesthetic that balances elegance with edge.
Its polished finish and smooth comfort fit interior make The Onyx as wearable as it is stylish, perfect for the man who values subtle intensity and contemporary design. Whether worn daily or on special occasions, it’s a confident expression of commitment and personal style.
Material: Black Ceramic
Inlay: Black Carbon Fiber
Finish: Polished
Width: 6mm or 8mm
Fit: Comfort Fit
Style: Modern | Refined | Edgy
Our rings are made of the highest-quality metals. To ensure authenticity, they are stamped with the hallmark inside the ring identifying the metal type. The fit is outlined on the product page of each ring.
- Comfort fit rings at 1.8mm thickness
- Standard fit is 1.6mm thickness
- Light Comfort is 1.9mm-2.0mm thickness
- Euro comfort fit is 2.0-2.3mm thickness.
Gold:
10K-14K and 18K White do contain nickel as an alloy. 10K-14K and 18K Yellow does not contain nickel as an alloy,
Helpful Information
Free Exchange-Returns & Package Protection
We Offer Redo for ease and peace of mind:
When you opt in for Redo at checkout, your return shipping label is included. That means you can then return any item(s) in your order for an exchange, refund, or store credit for free within 30 days. (This is not associated with any custom ring fees that may apply.)
Redo package protection protects against theft, non-receipt of delivery, loss in transit, and damage during transit. We suggest obtaining this to cover your package.
Please also note that Package Protection is not refundable once the order has shipped.
All returns and exchanges are subject to the guidelines and exclusions outlined in our Return/Exchange Policy.
Free Shipping & Engraving
All domestic orders over $45.00 will ship free! Add a custom engraving for FREE*. Engraving is on the interior of ring. (check fees on returns/exchanges that may apply)
Warranties & FAQ
What warranties do you offer on your rings and jewelry?
All of our rings have a warranty against manufacturer's defects. Our Thorsten line of rings comes with a lifetime warranty for sizing or if broken (fees may apply). Our Benchmark rings come with a limited lifetime, which includes sizing, buffing out, or replacement if broken (fees may apply). No warranty if lost or stolen, or shows excessive wear and tear.
Learn More
Ring Sizing
You can use our ring size chart as a guide, or you can purchase a ring sizer for the cost of shipping ($5.50 within the USA), and we will get that sent out the following day.