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The details.

Tungsten carbide is the hardest common ring metal going — this band will stay scratch-free through farm work, rugby, and general hard use that would mark up anything softer. The weight is solid and substantial without being uncomfortable. The surface keeps its polish for years with minimal care. One thing to be aware of: tungsten can't be resized, so measure your finger carefully before ordering. Also, for blokes working around machinery, consider a silicone ring as a worksite alternative. Tungsten looks sharp and stays that way.

Caring for the neon-green inner band

The green sits inside the band, protected from knocks. Soap and warm water clean it — avoid bleach which can dull the colour over years. The black tungsten outer is a brushed satin that hides micro-scratches well.

Sizing this tungsten with coloured interior

Tungsten can't be resized once produced, and the inner colour layer rules out cut-and-rejoin. Measure twice using the MRO NZ free home sizer and order spot-on; the comfort interior runs true.

Black tungsten with colour inner vs solid black

The hidden green is a private detail — visible only when the ring is off. Solid black reads uniform from any angle. Personal call. For other coloured-detail options see tungsten rings.

Q: Will the green inner rub off?

A: No — the colour is bonded, not a coating. Decades of wear may polish the inside smooth but the green pigment stays put.

Q: Does black tungsten fade?

A: The black is part of the material structure, not paint. Edge wear on hard-knock areas eventually shows lighter grey after years, but the surface doesn't peel.

Q: Good ring for trades?

A: Tungsten is the toughest option in the cluster but it can shatter on a heavy impact. For a power-tool day, silicone is the safer call.

What 11 owners actually say.

Average 5.0 / 5 across 11 verified reviews.

Claire C.★★★★★

My partner lost his ring so I replaced it with this one and it was as beautiful as the last!

Sep 18
Jess P.★★★★★

It looked gorgeous on the site but even better when it arrived and my partner loves it.
The ring is comfortable and looks great and the site is incredibly easy to use

Sep 1
Kelly P.★★★★★

Fantastic ring and fantastic customer service. Very prompt and efficient

May 19
Ashliegh A.★★★★★

Amazing service and product!

Mar 27
Amanda T.★★★★★

I recently had to do a warranty claim on a ring I purchased and the amazing service made it that little bit less stressful. In no time the issue was sorted and a replacement ring in the post. To my surprise, it arrived 4 days later. I would definitely reccomend the ring I did purchase and there would be no hesitation in making another purchase. 5 star service :)

Nov 10
Jeremy T.★★★★★

Terrific ring. Looks better in real life then the photo. Feels comfortable and well made.

Sep 14

Caring for your Tungsten ring

Tungsten carbide is one of the hardest metals used in jewellery, scoring around 9 on the Mohs scale, so day-to-day scratches from desks, tools and gym equipment rarely leave a mark. Wipe the ring with a soft cloth and warm soapy water every week or two to lift skin oils and soap residue, then dry it fully before putting it back on. Avoid dropping it on tile or concrete — tungsten resists scratching but can chip or fracture from a hard impact.

Take the ring off before heavy lifting, contact sports or rock climbing, since unlike softer metals tungsten cannot be cut off with standard ring cutters in an emergency (medics use a vice-grip crack method instead). The polish holds for years without re-buffing, and the ring will not tarnish, oxidise or react with chlorine in pools or spas.

Common questions about Tungsten rings

Is tungsten a good metal for a men's wedding ring in NZ?

Yes — tungsten is the most scratch-resistant ring metal sold in New Zealand and holds its mirror polish through years of trades work, farming or office wear. It sits in the mid-price band (well under most gold options) and ships free across NZ. The main trade-off is that it cannot be resized, so getting the fit right at order time matters.

Can tungsten rings be cut off in an emergency?

Yes, but not with a standard ring cutter. NZ emergency departments and jewellers use locking pliers or a vice-grip to apply pressure at two points until the ring cracks cleanly into two halves, which actually comes off faster than sawing through gold. Always tell medical staff the ring is tungsten so they grab the right tool.

Will a tungsten ring turn my finger green or black?

No. Quality tungsten carbide rings use a nickel-free binder and are hypoallergenic, so there is no oxidation transfer to skin. If you see grey marks it is usually a metallic-soap reaction from heavy hand-cream or sunscreen — wash with warm water and it lifts off.

How do I get the right tungsten ring size in NZ?

NZ ring sizing uses the same A–Z letter scale as Australia and the UK, so any NZ jeweller can size you for free. Because tungsten cannot be resized after manufacture, we recommend getting sized at the end of the day when fingers are at their largest, and ordering a half-size up if you work outdoors in cold weather.

Considering alternatives?

Buyers weighing up tungsten often also look at titanium rings — both are hypoallergenic and modern, but titanium is roughly four times lighter on the finger while tungsten holds a brighter, more scratch-proof polish. Pick tungsten for weight and shine, titanium for an almost-weightless feel.