Product Description
This men’s 6mm polished cobalt wedding band has a clean, modern profile with a flat exterior and a rounded interior for comfort. Cobalt’s bright white tone is close to white gold, and the polished surface gives a clear, reflective finish. The band measures 6mm in width and 2.3mm in depth, so it has presence on the hand without feeling oversized.
The comfort fit shape makes a practical difference. Inside, the gentle curve sits smoothly against the finger and helps the ring slide on and off more easily than a band that is flat on both sides. It is a straightforward design that feels easy to wear all day.
Cobalt is chosen here for both appearance and performance. The metal is resistant to bending, which helps the band keep its shape over time, and it is hypoallergenic, so it suits men who find other metals irritating. The polished finish brings out the bright colour of the metal and gives the band a more formal look, while the flat profile keeps the style crisp and contemporary.
The inside of the band is marked with our unique cobalt logo. Sizes run from N to Z+3, covering a wide range. As with all cobalt rings, the band cannot be resized, so selecting the correct size at the time of ordering is important.
Within the range, 6mm is often the middle ground. Slimmer options such as 3mm or 4mm read as subtle and minimal. Wider bands in 7mm or 8mm make more of a statement. This 6mm version sits between the two: noticeable enough for a wedding band, but not heavy or bulky.
The polished finish suits formal wear and looks sharp with a suit, yet it works just as well with everyday clothing. The bright white colour pairs neatly with other metals and watches, especially stainless steel. If you prefer a softer look, the brushed variant in the same width offers the same comfort fit with a satin surface, while this polished model keeps the high gloss that many men prefer for a wedding band.
Overall, the 6mm polished cobalt wedding band is a straightforward, comfortable band with a modern shape and a bright, polished finish. It offers a balanced width, a practical fit, and a clear, white tone that stands up well next to traditional precious metals.









Very pleased with the ring – Comfortable and looks great. Customer service was faultless as the original was returned due to ordering wrong size with fast turnaround on replacement item. Very happy with the ring (27/09/2020)
Really pleased with the ring – great sheen, comfortable and so far holding up to my abuse. Customer service was excellent (we had to return a few purchases due to lockdown & not trying stuff on). Delivery was prompt.
The service I have received has been excellent, I have bought 2 rings which will be our wedding rings, which both my wife and I think look amazing and feel beautifully comfortable. If I need any other rings I will definitely come back. Thank you.