Trying to navigate the tricky world engagement rings is tough. You’ve most likely been given a budget (which is always going to be just that little bit too low), and you’re lugging your Birkin all over town to find a jeweller that understands exactly what you want. The trick for a pain-free shopping excursion is to understand the 4 Cs of a ring – cut, clarity, colour and carat – because once you know this, your jeweller will be able to fit you with the perfect ring quicker than you can say ‘I do
