It is a truth universally acknowledged that getting married is usually incredibly expensive.

Even the best budgeteers know that from popping the question right through to savouring the last day of your honeymoon, the costs can mount up before you’ve realised – and when you add in the weight of expectation from more traditional family members (free bars, seven-tier white cakes, fancy hotel function rooms), it can be one costly affair.

But according to one expert jeweller, there is one wedding habit that is on the way out: proposers are no longer expected to spend three months’ worth of their salary on an engagement ring.

The three-month engagement ring rule is out the window, according to the experts