The Foundoria Journal

A black tungsten band starts at £104 and a black zirconium one at £449, and in a photograph they look identical. The difference is not hardness, it is where the black lives: one is a coating over g...

Black is the most requested finish in men's rings and the least well explained. There are three ways to make a ring black, and only one of them cannot wear off. A UK buyer's guide to what you are a...

Most black rings are a grey metal wearing a black coat, and the coat comes off. Black zirconium is the exception: the colour is the metal's own surface, chemically converted to a ceramic during man...