Katherine Ryan hosts as the remaining three jewellers compete in the grand final.

They are challenged to design and create a sapphire engagement ring before making a specially commissioned occasion necklace for Strictly Come Dancing judge Shirley Ballas.

Master jewellers and judges Dinny Hall and Shaun Leane reveal the design prowess and skilled craftsmanship on display throughout the competition. But which jeweller will fulfil their jewellery-making dream and be crowned the champion? Show less