Contact
Write to [email protected].
Found a size that looks wrong? Please say which system, which size and which chart you compared it with — that is enough for us to check it against the standard and fix it the same week.
Jewellers: if your house chart differs from ours and you can tell us what it is cut to, we would like to know. Where charts genuinely disagree we would rather say so on the page than pretend there is one right answer.