Offset Black Opal Couples Ring Set in Black Tungsten | 8mm and 4mm Hammered Wedding Bands
Black fire opal offset inlaid in hammered black tungsten.
Find your ring size
(upright)
Print the sizer at 100% / Actual Size, cut out the strip, wrap it around your finger, and read your size in a minute.
Open the printable sizer (PDF)Turn off "fit to page". The printed ruler should read 80 mm.
| US | Diameter | Circumf. | UK/AU/IE | EU |
|---|
UK, Australia & Ireland share the letter system. European sizes are approximate conversions.

Built for real life, not just photos
Both rings are tungsten carbide — about 4× harder than titanium and second only to diamond in scratch resistance — and every set is backed by our lifetime warranty.
“I needed something that's durable and I don't have to worry about it getting scratched up.”
Guess wrong, we fix it free
Free size exchanges on both rings — we send a brand-new ring in the right size, with a prepaid return label for the old one.
“I had to exchange it twice due to sizing issues (my fault) and was met with amazing customer service.”
The most meaningful part is hidden
A date. A name. An inside joke no one else will get. Free engraving — a $30 value — inside both bands. Shipped together in a gift-ready ring box.
“Rings look so beautiful. Engraving of my wedding song is perfect.”

Designed by an aerospace engineer. Run by a family.
Foreverings started in 2017 when our founder left aerospace engineering to make rings the way he made flight hardware — material selection, tolerances, and final finish held to the same standard.
Years later we're still a family business based in Florida. Every ring is inspected by hand before it ships, and every one is engraved free.
The details
Description
This his and hers black opal wedding band set pairs his hammered band with her slim offset band. Crushed black fire opal glows red and blue against matte black tungsten on both rings. His 8mm band runs the opal down the center. Her 4mm band sets it off to one edge, and engraving is free on either ring.
►Sold as a two-piece set
His Band:
►Material: Tungsten Carbide
►Inlay: Crushed Black Fire Opal
►Color: Black
►Profile: Flat
►Finish: Hammered, Matte Brushed
►Band width: 8mm
►Fit: order your measured size, comfort fit runs about a quarter size loose
Her Band:
►Material: Tungsten Carbide
►Inlay: Crushed Black Fire Opal, offset to one edge
►Color: Black
►Profile: Flat
►Finish: Hammered, Matte Brushed
►Band width: 4mm
►Fit: order your measured size, comfort fit runs about a quarter size loose
►Your opal inlays are protected with a coating that defends them from water, dirt, and grime.
✓ Hypoallergenic
✓ Comfort Fit
✓ Free Engraving
✓ Free Ring Box
✓ Free Shipping within the US
✓ Ready to ship next business day
►Free USA domestic shipping.
►Delivery Time: 2-5 business days
►Packaged in a gift ready ring box.
►We recommend that you confirm appropriate sizing for rings. Please contact us if you need help sizing.
Specs & materials
| Metals | Tungsten |
|---|---|
| Stone | Opal |
| Inlay | Black Fire Opal |
| Colors | Black |
| Band widths | 8mm · 4mm |
What's included
- Both rings, each in the size you choose
- Free engraving on both bands — a $30 value
- Gift-ready ring box
- Free US shipping on every order
Shipping, returns & size exchanges
Free US shipping on every order — and if you need it fast, 2-day and overnight options are right at checkout.
Wrong size? No stress. Just reach out and we'll get your exchange or return moving. We'll send you a prepaid return label to make it easy, and we turn things around within about 3 business days of your rings reaching us.
Engraved sets are made just for you, so they can't be returned — but if the size isn't right, we'll offer a discount on a replacement so you're not starting over.
A quick heads-up: international orders are final sale. Questions about anything? Check the full Returns & Refunds policy, or just message us — we're happy to help.
Frequently asked questions
What's included in the set?
Both rings — his and hers, each in the size you choose. One purchase covers both of you, shipped together in a gift-ready ring box with free US shipping.
Is tungsten good for wedding rings?
It's one of the most popular wedding ring metals for a reason: tungsten carbide is about 4× harder than titanium, holds its polish for years, and is hypoallergenic. And the fit is always protected — both rings come with free size exchanges.
Can the rings be resized?
We do something even better — free size exchanges, on both rings. Instead of cutting and stretching a ring the way traditional resizing does, we simply send a brand-new ring in the right size. If either size is wrong, we make it right, free.
How does the free engraving work?
Add names, dates, or coordinates to either band — or both — engraved before your set ships, free (a $30 value). Engraving is custom-made just for you, so engraved sets are final sale, and it adds about three business days.
What is the inlay made of?
Black Fire Opal — hand-set and sealed under a protective coating that defends it from water, dirt, and grime. Because the stones settle differently in every channel, no two rings are ever alike.
Can I buy the rings separately?
Most of our designs are also sold individually — the set is simply the best value. If you only need one ring, message us and we'll point you to the matching individual listings.








