This time round, the sparkling contestants are tasked to come up with an original linked neck-chain, as well as to come up with their own bespoke piece.
In this fourth instalment, the remaining contestants are given the task of creating a Birmingham-themed brooch, and additionally a stylish bespoke ear cuff for an individual client.
In this penultimate episode, the semi-finalists are tasked with creating a best-selling pair of mis-matched earrings from 9-carat gold, as well as a bespoke piece.
The search for 2022's jewellery star is on - as Katherine goes to Birmingham to meet eight new sparkling contestants to seek out a new gem, as they are each given three and a half hours to create a new earring.
It's the grand final, and the three finalists battle it out for the title as they make a pair of pearl earrings and a maang tikka (a bridal headpiece) for client Nikki. But who will the judges crown the champion?
This week's edition is all about gold, as the 5 contestants are asked to make a pair of identical hooped earrings that could be a bestseller and then client Zeynap requests a gold locket to give to the woman who saved her mum's life.
It's all about glitz and glamour this week, as the 6 up-and-coming jewellers are asked to make a bestselling cocktail ring and then drag queen Amrou asks them to make them a bold bib necklace for their first solo show.
The final 4 jewellers are asked to make items that sparkle, utilising precious gemstones. First up they are challenged to make an encrusted cuff bracelet then to make an engagement ring for couple James and Clare.
The 7 remaining jewellers are set two more challenges. First, the Bestseller tasks them with making a chain collar that everyone will want. For the Bespoke challenge they must make a sweetheart brooch for a client to give to his wife.