Nikki creates a bespoke wedding ring for Gina and Oskar from family heirlooms, while David tries to source special stones to replace those missing in Louise's moonstone necklace. Mr Freeze is given a lesson in haggling by Suzanne, who manages to fetch a price she's more than happy with, and another customer impresses him in the art of salesmanship while looking to sell Brazilian emeralds.

Gok Wan and the team are challenged with the task of transforming an Art Deco diamond ring into a contemporary item of jewellery. Elsewhere, Helen matches a customer's sparkling sapphire ring to a new pair of earrings, and Mr Freeze meets a student who brings in a ring she found buried in her garden.