Scratch-proof hardness
Sits just below sapphire on the Mohs scale. 4× harder than titanium, 10× harder than 18k gold — the ring looks identical on day 10,000 as day one.
Australian Owned Since 2006.






Tungsten carbide is the hardest ring material we stock. Here's why it doesn't scratch, bend, or tarnish.
Sits just below sapphire on the Mohs scale. 4× harder than titanium, 10× harder than 18k gold — the ring looks identical on day 10,000 as day one.
Pressed from tungsten carbide powder at 2,000°C, precision-CNC'd. Real weighted feel — nothing hollow, no plating to wear through.
Lifetime structural warranty on in-stock tungsten rings against cracks, breaks and structural defects (plating, inlays, resin and coatings excluded). First size exchange for in-stock rings within 60 days of delivery: no exchange fee over $100, $10 under $100. Keep your ring in original condition, with tags attached and original packaging.
Dispatch
Dispatched from Brisbane — tracked Australia Post.
This black 7mm ceramic ring has a grooved design and a polished finish, for a sharp, modern look that stands out without trying too hard. It suits a groom or anyone after a bold black band.
Ceramic is scratch resistant and light, so you barely notice it on your hand. The black colour holds, so the ring keeps looking sharp wear after wear.
Browse Related Rings: Black Rings, Mens Wedding Rings.
Tungsten can't be resized — but in a true emergency it can be safely cut off. Best to nail the fit the first time.
Average 5.0 / 5 across 5 verified reviews.
Good experience
Thanks Katie for letting us know that you had a good experience with our customer service team and the whole process. Expect great product and fantastic customer service whenever you purchase from us. Cheers!
From the website which provides education regarding the rings to ensure customers make the choice right for them, the navigation of the website, the quality of the rings, the advice about sizing, the exchange policy - and the ease as to how that happens. .. I cannot fault MR - it truly was a perfect customer service experience.
Thank you Brigitte for sharing your good experience. These comments truly motivate us and we really appreciate them. We have quality ring collections with best prices, unmatched lifetime warranty and fantastic customer service team. Here at MRO, we make online shopping experience at its finest and our customers are our VIPs. Thanks again for purchasing from us!
Site was so easy to follow. Return/exchange was so easy! Thank you! :)
Thanks Jessica for sharing your positive experience.. We make sure that the exchange process is convenient for you and that we deliver fast and easy. Our Customer Support team is always here to help with your inquiries. Again, thanks for choosing us!
Great customer service from start to finish. Fast delivery and product as decribed. Definitely referring to all my friends.
Thanks Elita for that 5 star commendation. We really appreciate it. From MRO's pre-ordering, processing, delivery and even after sales and exchange process, we make sure that we are there for you and that the process is convenient to you all. We also make sure that orders are delivered fast and easy. Again, thanks for choosing us!
The ring looks exactly as pictured, really fast delivery, and I experienced top notch customer service. Thanks!
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Apply my discount & check out → No thanks, I'll pay full priceExtra 10% off all other rings. Precious-metal rings get 5% off in total, including any sale already on them. Applied automatically — one use.