Katherine Ryan welcomes five up-and-coming jewellers back to the workshop to continue their quest to impress two of the biggest names in the business. This episode is all about gold, as they're tasked to make a pair of identical hoop earrings which could be a bestseller, before welcoming real world client Zeynap, who wants a gold locket to give to the woman who saved her mum's life. But who will impress the judges enough to stay to make it through to the semi-final?